CN100361805C - Intermediate frequency heating pipe plastic liner device - Google Patents

Intermediate frequency heating pipe plastic liner device Download PDF

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Publication number
CN100361805C
CN100361805C CNB2005100603086A CN200510060308A CN100361805C CN 100361805 C CN100361805 C CN 100361805C CN B2005100603086 A CNB2005100603086 A CN B2005100603086A CN 200510060308 A CN200510060308 A CN 200510060308A CN 100361805 C CN100361805 C CN 100361805C
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CN
China
Prior art keywords
plug
steel pipe
cock
heating
plastic tube
Prior art date
Application number
CNB2005100603086A
Other languages
Chinese (zh)
Other versions
CN1754683A (en
Inventor
徐志茹
魏安家
Original Assignee
浙江金洲管道科技股份有限公司
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Publication date
Application filed by 浙江金洲管道科技股份有限公司 filed Critical 浙江金洲管道科技股份有限公司
Priority to CNB2005100603086A priority Critical patent/CN100361805C/en
Publication of CN1754683A publication Critical patent/CN1754683A/en
Application granted granted Critical
Publication of CN100361805C publication Critical patent/CN100361805C/en

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Abstract

The present invention relates to an intermediate-frequency heating plastic lining device for a steel pipe, which comprises head sealing devices at both ends of a processing steel pipe, an air inflating mechanism, a transfer mechanism for the processing steel pipe and a heating device, wherein the heating device uses intermediate-frequency induction heating coils; each head sealing device is a pair of self-locked sealing plugs; a plug at one end forms a flat bottle plug shape and the center of the plug is provided with an axial through hole; the outer port of the through hole is provided with a self-sealing quick joint; a plug at the other end is a straight cylinder plug and the outer end part of a plug body is provided with an annular groove matched with a semi-circular clamping ring; the inner end surfaces of the plug bodies of two plugs are movably connected by a tension spring. The invention alters the traditional large fuel furnace heating device and the traditional complex cylinder top pressure sealing head device and has the advantages of convenient operation, less environmental pollution, low investment, low production cost and high productive efficiency.

Description

The heating in medium frequency pipe plastic liner device
Technical field
The present invention relates to a kind of processing unit (plant) of plastic lining composite steel pipe.
Background technology
Existing pipe plastic liner processing unit (plant), cylinder, the aerating device by cylinder pressurising in the plastic lining steel pipe and fuel heating furnace and the equipment water jetting cooler at two ends that is lined with the steel pipe of plastic tube in being sealed up by roof pressure formed.The shortcoming that this processing unit (plant) exists is that structure is complicated, and equipment volume is huge, and production efficiency owes high.
Summary of the invention
The objective of the invention is for pipe plastic liner production provides a kind of structure simpler, equipment volume is little, operate more convenient, and the high processing unit (plant) of production efficiency.
The technical solution that realizes above-mentioned purpose is: the end socket device that is lined with the processing steel pipe two ends of plastic tube in it comprises, the inflation mechanism of pressurising in inner lining plastic tube, connecting gear and heater in the processing steel pipe process, heater adopts the Frequency Induction Heating coil, in be lined with the processing steel pipe two ends of plastic tube the end socket device be a pair of self-locking seal plug, wherein an end plug is flat cover bottle stopper shape, the cock body external diameter is slightly less than the internal diameter of inner lining plastic tube, the cock body center offers axially extending bore, and in this axially extending bore external port inflation is installed and uses self-enclosed snap joint, other end plug is the right cylinder plug that diameter is slightly less than the plastic lining bore, offer the annular groove that matches with half-round clamping ring in the end beyond the Great Wall at right cylinder, right cylinder end face beyond the Great Wall is provided with draw ring, flexibly connect mutually by extension spring between the two plug inner faces, on the inner lining plastic tube that stretches outside the steel pipe two ends, be with the anti-induction copper sheathing, be provided with sealing ring between the cock body of two plugs and the plastic liner.
The invention has the beneficial effects as follows: heater has substituted traditional fuel heating furnace with the Frequency Induction Heating coil, the end socket device has then substituted complicated cylinder top means of press seals with simple self-locking seal plug, thereby simplified the single unit system structure greatly, dwindled device volume, easy operation, improve production environment, reduced environmental pollution.Reduced investment of the present invention, the production efficiency height, cost is low.
Description of drawings
Accompanying drawing 1 is a general structure schematic diagram of the present invention.
Accompanying drawing 2 is the side view of Fig. 1.
Accompanying drawing 3 is that self-locking seal plug of the present invention is installed on the structural representation on the process pipeline.
The specific embodiment
The invention will be further described with embodiment below in conjunction with accompanying drawing.
A pair of self-locking seal plug 13,18 is processed by steel.Wherein an end plug 13 is flat cover bottle stopper shape, the cock body external diameter is slightly less than the internal diameter of inner lining plastic tube 12, cock body flat cover diameter equals the external diameter of steel pipe 11, offer axially extending bore 21 in the cock body, and inflation being installed with self-enclosed snap joint 8 in axially extending bore 21 external port, the cock body inner face is provided with draw ring 14; Other end plug 18 is cold for the right cylinder that diameter is slightly less than the plastic lining bore, offer the annular groove that matches with half-round clamping ring 19 in the cold outer end of right cylinder, right cylinder end face beyond the Great Wall is provided with draw ring 20, the inner face center is provided with the extension spring connecting rod 17 of reinforcement fabrication, one end of extension spring 16 is connected with connecting rod 17, and the other end links to each other with the drag hook connecting rod 15 that front end is provided with drag hook.Sealing ring 10 is installed in the cock body of plug 13,18 and the annular groove that 12 liang of matched places of revealed section of inner lining plastic tube are offered.Processing steel pipe 2 is to be made of steel pipe 11 and the inner lining plastic tube 12 of pressing close to the insertion of steel pipe 11 inwalls, and inner lining plastic tube slightly is longer than steel pipe 11, and puts anti-induction copper sheathing 9 on the pipeline section that stretches the inner lining plastic tube 12 outside steel pipe 11 two ends.As accompanying drawing 2, begin to add man-hour, to connect connecting rod 17 earlier, extension spring 16, the plug 18 of drag hook connecting rod 15 penetrates in the inner lining plastic tube of processing steel pipe 2 from right to left, hook draw ring 14 on plug 13 inner faces until the drag hook that makes drag hook connecting rod 15 front ends, the draw ring 20 that hook plug 18 outer faces on instrument this moment is pulled outwardly, when the annular groove of plug 18 is exposed to outside the processing steel pipe mouth of pipe, in annular groove, insert half-round clamping ring 19, so plug 13,18 under the effect that connects extension spring 16, promptly block the two-port of processing steel pipe 2, plug 13, sealing ring 10 on 18 just in time is in two revealed sections of the lower inner lining plastic tube 12 of anti-induction copper sheathing 9 below temperature; To inner lining plastic tube in fill compression air by the inflation on the plug 13 with self-enclosed snap joint 8 by source of the gas 1 this moment, and the blowing pressure is 0.2~0.4MPa; Completely charged steel pipe to be processed is placed by plurality of V shape grooved roller wheel 6 and power transmission shaft 5 thereof, on the monorail-type roller-way that driving-chain 4 constitutes, by being placed in the middle Frequency Induction Heating coil 3 of track, finish heating process with suitable speed; Then via 7 coolings of the spray equipment on the roller-way; Inflate with the compressed air in the release thimble drain of self-enclosed snap joint 8 by extruding; Dismounting removes to process the plug 13,18 and the anti-induction copper sheathing 9 at steel pipe two ends; Cut away inner lining plastic tube 12 at last and be longer than the plastics pipeline section of steel pipe part, promptly get the plastic lining composite steel pipe product.

Claims (4)

1. heating in medium frequency pipe plastic liner device, the end socket device that comprises the processing steel pipe two ends of inner lining plastic tube, the inflation mechanism of pressurising in inner lining plastic tube, the connecting gear and the heater of processing steel pipe process, it is characterized in that heater adopts Frequency Induction Heating coil (3), the end socket device at processing steel pipe (2) two ends of inner lining plastic tube is an a pair of self-locking seal plug (13), (18), wherein an end plug (13) is flat cover bottle stopper shape, the cock body external diameter is slightly less than the internal diameter of inner lining plastic tube (12), the cock body center offers axially extending bore (21), and inflation is installed with self-enclosed snap joint (8) in this axially extending bore (21) external port, other end plug (18) is slightly less than the right cylinder plug of inner lining plastic tube (12) internal diameter for diameter, offer the annular groove that matches with half-round clamping ring (19) in the end beyond the Great Wall at right cylinder, right cylinder end face beyond the Great Wall is provided with draw ring (20), two plugs (13), (18) flexibly connect by extension spring (16) between the cock body inner face, on the plastic lining pipeline section that stretches outside the steel pipe two ends, be with anti-induction copper sheathing (9), be provided with sealing ring (10) between the cock body of two plugs and the inner lining plastic tube (12).
2. by the described heating in medium frequency pipe plastic liner device of claim 1, it is characterized in that the connecting rod (17) that is fixed in plug (18) cock body inner face center that the extension spring moving connecting mechanism between the cock body inner face of two plugs (13), (18) connected by extension spring (16), extension spring (16) one ends, its front end that extension spring (16) other end is connected are provided with the drag hook connecting rod (15) of drag hook and the draw ring (14) that is fixed on plug (13) the cock body inner face is formed.
3. by claim 1 or 2 described heating in medium frequency pipe plastic liner devices, tool is characterised in that sealing ring (10) is to be installed in the cock body of plug (13), (18) and the annular groove that the matched place of inner lining plastic tube (12) two revealed sections is offered.
4. by the described heating in medium frequency pipe plastic liner device of claim 1, the connecting gear that it is characterized in that processing the steel pipe process is by plurality of V shape grooved roller wheel (6), and the monorail-type roller-way that constitutes of power transmission shaft (5), driving-chain (4).
CNB2005100603086A 2005-08-04 2005-08-04 Intermediate frequency heating pipe plastic liner device CN100361805C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100603086A CN100361805C (en) 2005-08-04 2005-08-04 Intermediate frequency heating pipe plastic liner device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100603086A CN100361805C (en) 2005-08-04 2005-08-04 Intermediate frequency heating pipe plastic liner device

Publications (2)

Publication Number Publication Date
CN1754683A CN1754683A (en) 2006-04-05
CN100361805C true CN100361805C (en) 2008-01-16

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CN (1) CN100361805C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101850612B (en) * 2010-03-12 2012-02-08 浙江金洲管道科技股份有限公司 Travelling mechanism of medium-frequency heating device for processing steel-plastic composite pipe material
CN103697246B (en) * 2013-12-31 2016-06-29 湖南振辉管业有限公司 A kind of lining plastic bell-and-spigot pipe
CN103807520B (en) * 2013-12-31 2016-05-04 湖南振辉管业有限公司 A kind of production line of making lining plastic spipot and socket cast iron pipe
CN103912735B (en) * 2014-04-19 2016-08-24 湖南振辉管业有限公司 The integrated pipe of the different material of multilamellar and manufacturing process thereof
CN104309111B (en) * 2014-10-16 2016-09-07 吉林钰翎珑钢管钢构制造有限公司 The fuse machine of multiple tube is manufactured for metal tube plastic lining

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1057609A (en) * 1991-06-15 1992-01-08 淄博化工装备厂 A kind of method for lining inner surface of tubes with plastics
CN2122296U (en) * 1992-05-05 1992-11-18 吴康明 Steel waterpipe having rubber lining
CN1073906A (en) * 1992-01-02 1993-07-07 南通市防腐管道厂 The manufacture method of steel-plastics composite pipe
RU2151945C1 (en) * 1998-12-01 2000-06-27 Общество с ограниченной ответственностью Научно-производственное объединение "Полимерстроймаш" Insulating system for internal protection of weld in steel pipe-line against corrosion ( variants )
CN1305881A (en) * 2001-02-26 2001-08-01 广州祥基金属制品有限公司 Technology for manufacturing steel pipe with plastic liner
CN1319496A (en) * 2001-02-15 2001-10-31 广州祥基金属制品有限公司 Method for making plastics lined steel pipe
CN1367075A (en) * 2002-02-05 2002-09-04 揭东经济开发试验区泰丰侨金属制品有限公司 Production method of steel-plastics composite pipe whose exterior is galvanized and interior is lined with polyethylene
CN1459368A (en) * 2002-05-23 2003-12-03 上海卫邦管道有限公司 Manufacturing method plastic lining composite steel pipe and its manufacturing equipment
CN2620810Y (en) * 2003-06-26 2004-06-16 钱乐中 Axial sealing anticorrusive internal and external covered non polar plastic steel pipe
CN2818123Y (en) * 2005-08-04 2006-09-20 浙江金洲管道科技股份有限公司 Plastic lining device of medium-frequency heating steel pipe

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1057609A (en) * 1991-06-15 1992-01-08 淄博化工装备厂 A kind of method for lining inner surface of tubes with plastics
CN1073906A (en) * 1992-01-02 1993-07-07 南通市防腐管道厂 The manufacture method of steel-plastics composite pipe
CN2122296U (en) * 1992-05-05 1992-11-18 吴康明 Steel waterpipe having rubber lining
RU2151945C1 (en) * 1998-12-01 2000-06-27 Общество с ограниченной ответственностью Научно-производственное объединение "Полимерстроймаш" Insulating system for internal protection of weld in steel pipe-line against corrosion ( variants )
CN1319496A (en) * 2001-02-15 2001-10-31 广州祥基金属制品有限公司 Method for making plastics lined steel pipe
CN1305881A (en) * 2001-02-26 2001-08-01 广州祥基金属制品有限公司 Technology for manufacturing steel pipe with plastic liner
CN1367075A (en) * 2002-02-05 2002-09-04 揭东经济开发试验区泰丰侨金属制品有限公司 Production method of steel-plastics composite pipe whose exterior is galvanized and interior is lined with polyethylene
CN1459368A (en) * 2002-05-23 2003-12-03 上海卫邦管道有限公司 Manufacturing method plastic lining composite steel pipe and its manufacturing equipment
CN2620810Y (en) * 2003-06-26 2004-06-16 钱乐中 Axial sealing anticorrusive internal and external covered non polar plastic steel pipe
CN2818123Y (en) * 2005-08-04 2006-09-20 浙江金洲管道科技股份有限公司 Plastic lining device of medium-frequency heating steel pipe

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C14 Grant of patent or utility model
GR01 Patent grant
PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Intermediate frequency heating pipe plastic liner device

Effective date of registration: 20131212

Granted publication date: 20080116

Pledgee: Bank of China Huzhou branch

Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd.

Registration number: 2013330000016

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20141219

Granted publication date: 20080116

Pledgee: Bank of China Huzhou branch

Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd.

Registration number: 2013330000016

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Intermediate frequency heating pipe plastic liner device

Effective date of registration: 20141231

Granted publication date: 20080116

Pledgee: Bank of China, Limited by Share Ltd, Huzhou branch

Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd.

Registration number: 2014330000066

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20151204

Granted publication date: 20080116

Pledgee: Bank of China, Limited by Share Ltd, Huzhou branch

Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd.

Registration number: 2014330000066

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Intermediate frequency heating pipe plastic liner device

Effective date of registration: 20151222

Granted publication date: 20080116

Pledgee: Bank of China, Limited by Share Ltd, Huzhou branch

Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd.

Registration number: 2015980000273

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model