WO2003095736A1 - Dispositif de revetement destine a appliquer une couche anticorrosion sur un cable d'acier precontraint - Google Patents

Dispositif de revetement destine a appliquer une couche anticorrosion sur un cable d'acier precontraint Download PDF

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Publication number
WO2003095736A1
WO2003095736A1 PCT/CN2003/000038 CN0300038W WO03095736A1 WO 2003095736 A1 WO2003095736 A1 WO 2003095736A1 CN 0300038 W CN0300038 W CN 0300038W WO 03095736 A1 WO03095736 A1 WO 03095736A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
coating
anticorrosive
steel strand
adjusting device
Prior art date
Application number
PCT/CN2003/000038
Other languages
English (en)
Chinese (zh)
Inventor
Lizhong Yang
Qing Yang
Jiantao Wang
Qian Chen
Zhongyu Fang
Original Assignee
Liuzhou Construction Machinery Factory General
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liuzhou Construction Machinery Factory General filed Critical Liuzhou Construction Machinery Factory General
Priority to AU2003211807A priority Critical patent/AU2003211807A1/en
Publication of WO2003095736A1 publication Critical patent/WO2003095736A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices
    • D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
    • D07B7/145—Coating or filling-up interstices
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/16—Auxiliary apparatus
    • D07B7/18—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes
    • D07B7/185—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes for temporarily untwisting ropes or cables into constituent parts for applying a coating
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2001—Wires or filaments
    • D07B2201/201—Wires or filaments characterised by a coating
    • D07B2201/2012—Wires or filaments characterised by a coating comprising polymers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2015—Construction industries
    • D07B2501/2023—Concrete enforcements

Definitions

  • the present invention relates to the processing technology of prestressed steel strands, and in particular to a device for anticorrosive treatment of prestressed steel strands. Background technique
  • the anticorrosive prestressed steel strand is composed of a center wire and a plurality of side wires, and each center wire and the side wire are coated with epoxy resin.
  • This anticorrosive prestressed steel wire has been commercially available.
  • a "steel strand relief and closing device” is disclosed in Chinese patent 98209737.9
  • the device adjusts the length of the central wire of the steel strand by means of a pulley. Since the adjustment of the length of the central wire is realized by the pulley, the central wire advances in a multiple bow shape between the two guide wheels, and the adjustment range is large.
  • the core wire of the twisted wire can pass through the pulley smoothly. It is necessary to cut off the side wire of the steel strand of 20 to 25 meters in advance. Only the center wire is left for winding. This causes waste of raw materials. It is also a very tedious work to pass through the two guide wheels twice.
  • the technical problem to be solved by the present invention is: during the anticorrosive processing of coating the synthetic resin for each wire of the prestressed steel strand in the opened state, the side wire must be cut to allow it to pass through, causing waste of raw materials, and the tension of six side wires Unevenness, steel wires collide, multiple twisting failures, weak bonding between coating and steel wire substrate, and problems that affect product quality.
  • the purpose of the present invention is to provide a coating device for an anti-corrosion layer of an anti-corrosion prestressed steel strand.
  • the device can overcome the problems of the prior art.
  • the edge wire is cut off to avoid waste of raw materials; and the tension of the edge wire is even;
  • the occurrence of the disorder of the center wire during the transfer process and the collision or twisting of the wires during the spraying process are simple; the operation of the device is simple, and the center wire only needs to pass through the storage drum once during operation. The operation is simple and convenient.
  • a coating device for anticorrosive prestressed steel stranded wire anticorrosive coating includes:
  • the steel strand opening device is used to temporarily alleviate the central wire with a predetermined length and the multiple side wires around the central wire.
  • the opening device includes a conical top die, a front expanding die, and an expanding member. Holding mode
  • D Coating device for coating synthetic tree. Grease powder on the surface of each side wire and center wire, and heating and melting the synthetic resin applied on all side wires and center wires, and cooling and coating the synthetic resin 'Edge and center filaments;
  • Cooling and rewinding device After further cooling the stranded wire, it is rolled up into a disk; 'Wherein: the center wire length and tightness adjusting device is arranged in the front expansion mold and expansion holding of the stranded wire opening device. Between the dies; the length of the central wire and the elasticity adjusting device are composed of a wire storage cylinder and a force damping adjusting device.
  • the wire storage cylinder is a spindle-shaped thin-walled cylinder.
  • the tension damping adjusting device includes:
  • a guide tube the guide tube is located in the support cylinder and is fixed in the support cylinder through a connecting plate; two pressure blocks, the pressure block is provided with a ⁇ -shaped groove therein, and a semicircular groove is formed at the bottom; The semi-circular groove in the guide tube and its bottom is opposite; a spring and a guide block are sequentially placed in the concave groove of the pressure block, and the guide block is connected with the connecting plate for tightening the spring.
  • the coating device for the anticorrosive prestressed steel stranded wire anticorrosive coating layer further includes a side wire tightness adjustment device; the side wire tightness adjustment device is provided in the front expansion mold and the expansion retention mold of the steel strand opening device. between.
  • the edge wire tightness adjusting device includes a connecting rod and a force adjusting device installed on the connecting rod, and two adjacent force adjusting devices are installed in opposite directions.
  • the force regulating device includes: Upper and lower pressure plates; slender grooves are formed on them;
  • a wire frame pull plate which has an elongated slot, and one end of the wire frame pull plate has a threading hole; a connecting shaft passes through the upper and lower pressure plates, the wire frame pull plate and the backing plate;
  • the two limit shafts are fixed on the backing plate and can rotate freely in the thin and long grooves opposite to each other on the wire rack pull plate, upper and lower pressure plates;
  • the spring is mounted between two u-shaped plates.
  • the coating device for the anticorrosive prestressed steel strand anticorrosive coating layer further includes a preheating device composed of a high-frequency induction heating device, the preheating device is installed between two expanded holding molds of the steel strand opening device; The pre-heating device pre-heats the center wire 2a and the side wire 2b when the steel strand is opened.
  • the tension damping adjustment device can be sleeved on one end of the wire storage cylinder, and can also be installed between the expanded holding molds of the steel wire opening device.
  • the present invention has the following advantages:
  • the "center wire length and tightness adjustment" is performed by a wire storage cylinder and a set of tension damping adjustment devices.
  • an edge wire tightness adjustment device is also installed.
  • the central wire in the storage cylinder gradually advances in an irregular spiral shape, while the side wire travels in an inverted S shape.
  • the six side wires are evenly tensioned, which avoids the disorder of the wire during the transmission of the center wire during the transmission of the guide wire and the spraying process The occurrence of the collision or twisting of the steel wires; Secondly, it is not necessary to cut off the side wires of the steel strand of 20 to 25 meters each time before work to avoid waste of raw materials. Thirdly, the operation is simple.
  • pre-heat treatment is performed on each steel wire in the open state of the steel strand before painting, and further drying treatment and improvement are achieved.
  • the adsorption of powder by the steel wire matrix is improved, the binding force between the coating and the steel wire matrix is improved, and the product quality is guaranteed.
  • FIG. 1 is a schematic structural diagram of a coating device of the present invention (excluding a side wire tightness adjusting device);
  • FIG. 2 is a schematic structural diagram of a coating device of the present invention (including a side wire tightness adjusting device);
  • FIG. 3 is the present invention Schematic diagram of the contact state of the center wire with the wall of the storage tube;
  • Figure 4 is a schematic view of the state of the center wire of the present invention in an irregular spiral shape in the storage tank; 5 is a schematic structural diagram of a tension damping adjusting device according to the present invention;
  • Figure 6 is a tension damper adjusting device of the present invention is installed at the end of the central storage tube length adjustment device knot structure schematic diagram
  • FIG. 7 is a schematic structural diagram of a force regulating device according to the present invention.
  • FIG. 8 is a plan view of the structure of a force-regulating device according to the present invention.
  • FIG. 9 is a front view of a wire frame pull plate structure of a force-regulating device of the present invention.
  • FIG. 10 is a plan view of a wire frame pull plate structure of the force regulating device of the present invention. The best way to implement the invention
  • a coating device for an anticorrosive layer of an anticorrosive prestressed steel strand includes:
  • the pretreatment device 3 includes a rust removal device, a cleaning device 5, an air-drying device 7;
  • B. Steel strand opening device temporarily relieve the central wire of a predetermined length and a plurality of side wires around the central wire, including tapered ejection mold 4, front expansion mold 8, expansion retention molds 12a, 12b ;
  • This device is located between the front expansion mold 8 and the expansion holding mold 12a of the steel strand opening device, and consists of a wire storage cylinder 9 and a set of tension damping adjustment devices 13.
  • the wire storage cylinder 9 is a spindle-shaped thin-walled cylinder;
  • the tension damping adjustment device 13 includes a circular tube-shaped support cylinder 21, coupling plates 22a, 22b, bolts 23a, 23b, guide blocks 24a, 24b, and a spring. 25a, 25b, pressure blocks 26a, 26b, and guide tube 27.
  • the square guide tube 27 is located in the middle of the support cylinder 21, and is fixed in the support cylinder 21 through the connecting plates 22a, 22b.
  • the pressure blocks 26a, 26b have concave grooves. There are semicircular grooves at the bottom of the brackets.
  • the springs 25a and 25b are placed in the concave grooves of the pressure blocks 26a and 26b.
  • the guide blocks 24a and 24b are symmetrically located at both ends of the guide tube 27. Via the connecting plates 22a, 22b, the guide blocks 24a, 24b, and the tension springs 25a, 25b, the tension damping adjustment device 13 can be sleeved on one end of the wire storage cylinder 9 by welding or other mechanical connection methods (see FIG. 5). ( Figure 6), can also be installed in two expansion holding molds 12a, 12b Of (See Figure 1, Figure 2).
  • Coating device coating machine 15: apply synthetic resin powder on the surface of each edge wire 2b and center wire 2a, and heat and melt the synthetic resin applied to all edge wires 2b and center wire 2a Cooling the side wire 2b and the center wire 2a coated with synthetic resin;
  • E. 'Steel strand closing and twisting device for tightening and twisting the synthetic resin-coated edge wire 2b around the synthetic resin-coated central wire 2a, including the transition die 6a located behind the rear expanding die 16. And motor 17;
  • Cooling and winding device After further cooling the steel strand, it is rolled into a disk, including a cooling device 18, a tractor 19, and a disk forming device 20.
  • Embodiment 2 Coating of anticorrosive layer of anticorrosive prestressed steel strand with edge wire tightness adjusting device
  • the basic structure of the device is the same as that of the first embodiment, except that the edge wire tightness adjusting device is also installed between the expanding mold 8 and the expanding holding mold 12a before the steel strand opens the device.
  • the device consists of a connecting rod. 11 is composed of 2 to 10 force-regulating devices 10 installed on a connecting rod, two adjacent force-regulating devices 10 are installed in opposite directions, and a wire frame pull plate 37 of the force-regulating device 10 is connected to upper and lower pressure plates 29 It is integrated into one, each having an elongated slot, one end of the wire frame pull plate 37 has a threading hole, a U-shaped plate I 28 is fixed on one end of the upper pressure plate 29, and a U-shaped plate II 36 is fixed on the backing plate 34.
  • the backing plate 34 is connected to the connecting rod 11; the two limiting shafts 32a, 32b are fixed on the backing plate 34, and both the limiting shafts 32a, 32b are provided with bearings that can rotate freely in the elongated grooves of the wire frame pulling plate 37 30, the spring 35 is installed between the U-shaped plate I 28 and the U-shaped plate II 36, and the pin 33 passes through the upper and lower pressure plates 29, the wire frame pull plate 37 and the backing plate 34 (see FIG. 2 and FIG. 7). ⁇ Figure 10), where 31 is a washer.
  • a center wire length and tightness adjusting device composed of a wire storage cylinder 9 and a tension damping adjustment device 13 is installed between the front expansion mold 8 and the expansion holding mold 12a.
  • the wire 2a passes through the storage tube 9 and the tension damping adjustment device 13.
  • the tension damping adjustment device 13 has a clamping force on the center wire 2a.
  • the tractor draws the steel strand 2 forward, and the tension damping adjustment device is centered.
  • the clamping effect of the wire 2a and the adjustment effect of the tension of the side wire 2b on the tension of the side wire make the opened core wire 2a and the side wire 2b in a tight state during the coating process.
  • the remaining center wire 2a in the bobbin 9 gradually sags to contact with the tube wall as the steel wire coating process is performed (see FIG. 3).
  • the central wire 2a in the cylinder will be wound into an irregular spiral shape (see Figure 4); if the length and diameter of the wire storage cylinder are sufficient, the adjustment of the central wire length will be long enough.
  • a pre-heating device 14 composed of a set of high-frequency induction force heating devices can also be installed between the two expansion holding molds 12a and 12b.
  • the center wire 2a and the side wire 2b are pre-heated.
  • the tension damping adjustment device 13 can be sleeved on one end of the wire storage cylinder 9 and integrated with it by welding or other mechanical connection methods (see FIG. 5, Fig. 6) can also be installed between the extended holding mold 12a and the preheating device 14 (see Figs. 1 and 2).

Landscapes

  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Ropes Or Cables (AREA)

Abstract

La présente invention concerne un dispositif de revêtement destiné à appliquer une couche anticorrosion sur un câble d'acier précontraint. Ce dispositif comprend un dispositif de prétraitement, un dispositif d'ouverture, un dispositif de réglage de la longueur et de la tension du câble-âme, un dispositif de commande de tension des câbles latéraux, un dispositif d'application et un dispositif de torsadage. Le dispositif de réglage de la longueur et de la tension du câble-âme comprend un tuyau de stockage et un dispositif de commande de tension. Grâce à cette invention, on peut éviter des désordres de l'âme et empêcher les câbles de s'entrechoquer et de s'accrocher durant le processus d'exploitation. On peut mettre en oeuvre ce dispositif facilement et de façon pratique sans perte de câbles.
PCT/CN2003/000038 2002-05-12 2003-01-17 Dispositif de revetement destine a appliquer une couche anticorrosion sur un cable d'acier precontraint WO2003095736A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003211807A AU2003211807A1 (en) 2002-05-12 2003-01-17 A coating device for applying and anticorrosive layer on a pre-stressed steel wire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB021160961A CN100360245C (zh) 2002-05-12 2002-05-12 防腐预应力钢绞线之防腐层的涂装装置
CN02116096.1 2002-05-12

Publications (1)

Publication Number Publication Date
WO2003095736A1 true WO2003095736A1 (fr) 2003-11-20

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PCT/CN2003/000038 WO2003095736A1 (fr) 2002-05-12 2003-01-17 Dispositif de revetement destine a appliquer une couche anticorrosion sur un cable d'acier precontraint

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CN (1) CN100360245C (fr)
AU (1) AU2003211807A1 (fr)
WO (1) WO2003095736A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107385981A (zh) * 2017-06-22 2017-11-24 江阴法尔胜住电新材料有限公司 一种填充粘结防腐型智能钢绞线的制作方法

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CN100363553C (zh) * 2005-03-15 2008-01-23 江阴华新钢缆有限公司 钢绞线开合器
CN108526359B (zh) * 2018-03-30 2019-07-09 宁波海蔓汽车科技有限公司 一种弹簧制作装置
CN108824044B (zh) * 2018-07-09 2021-03-30 云南春鹏钢绞线有限公司 一种钢绞线的表层防腐蚀材料涂匀装置
CN111663350A (zh) * 2019-03-06 2020-09-15 柳州豪姆机械有限公司 一种环氧钢绞线生产用大容线量节约型中心丝张紧装置
CN110548707B (zh) * 2019-08-29 2024-03-29 昆明理工大学 一种去皮-解锚-清洗-编锚的一体化锚固段锚索去油清洗装置及方法
CN114178148B (zh) * 2021-12-07 2023-01-06 安徽纯源镀膜科技有限公司 一种轮胎钢丝押出线槽板及其制造工艺
CN115467179B (zh) * 2022-10-08 2023-12-15 江苏亚盛金属制品有限公司 一种不锈钢丝多股绞合装置
CN115466919A (zh) * 2022-10-14 2022-12-13 德清德奥热喷涂有限公司 一种对丝材放卷喷涂的热喷涂设备
CN116334941B (zh) * 2023-03-06 2024-06-21 徐州恒辉编织机械有限公司 一种摇杆式加捻合股机
CN116905813B (zh) * 2023-07-17 2024-06-14 中冶检测认证有限公司 一种用于核电站安全壳倒u型预应力钢束灌注系统及方法

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US5208077A (en) * 1990-11-09 1993-05-04 Florida Wire And Cable Company Method for a composite material comprising coated and filled metal strand for use in prestressed concrete, stay cables for cable-stayed bridges and other uses
US5263307A (en) * 1991-02-15 1993-11-23 Hokkai Koki Co., Ltd. Corrosion resistant PC steel stranded cable and process of and apparatus for producing the same
CN1106737A (zh) * 1992-11-13 1995-08-16 黑沢建设株式会社 预应力混凝土钢捻线的防锈涂膜形成加工方法及其装置
CN1341179A (zh) * 1999-12-27 2002-03-20 不二精工株式会社 橡胶涂层股线;采用橡胶涂层股线的胎带、线网层和轮胎;以及用于制造它们的装置和方法
CN2527362Y (zh) * 2002-01-30 2002-12-25 柳州市建筑机械总厂 边丝松紧度调节装置

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JP2735520B2 (ja) * 1995-09-29 1998-04-02 黒沢建設株式会社 Ｐｃ鋼より線の防錆被膜形成加工方法及び装置
CN2342006Y (zh) * 1998-04-27 1999-10-06 中外合资柳州欧维姆建筑机械有限公司 钢绞线连续缓解缓闭装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208077A (en) * 1990-11-09 1993-05-04 Florida Wire And Cable Company Method for a composite material comprising coated and filled metal strand for use in prestressed concrete, stay cables for cable-stayed bridges and other uses
US5263307A (en) * 1991-02-15 1993-11-23 Hokkai Koki Co., Ltd. Corrosion resistant PC steel stranded cable and process of and apparatus for producing the same
CN1106737A (zh) * 1992-11-13 1995-08-16 黑沢建设株式会社 预应力混凝土钢捻线的防锈涂膜形成加工方法及其装置
CN1341179A (zh) * 1999-12-27 2002-03-20 不二精工株式会社 橡胶涂层股线;采用橡胶涂层股线的胎带、线网层和轮胎;以及用于制造它们的装置和方法
CN2527362Y (zh) * 2002-01-30 2002-12-25 柳州市建筑机械总厂 边丝松紧度调节装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107385981A (zh) * 2017-06-22 2017-11-24 江阴法尔胜住电新材料有限公司 一种填充粘结防腐型智能钢绞线的制作方法

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Publication number Publication date
AU2003211807A1 (en) 2003-11-11
CN1457934A (zh) 2003-11-26
CN100360245C (zh) 2008-01-09

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