CN201858476U - Ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes - Google Patents

Ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes Download PDF

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Publication number
CN201858476U
CN201858476U CN2010206067854U CN201020606785U CN201858476U CN 201858476 U CN201858476 U CN 201858476U CN 2010206067854 U CN2010206067854 U CN 2010206067854U CN 201020606785 U CN201020606785 U CN 201020606785U CN 201858476 U CN201858476 U CN 201858476U
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CN
China
Prior art keywords
ultra
molecular weight
high molecular
weight polyethylene
quill
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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.)
Expired - Lifetime
Application number
CN2010206067854U
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Chinese (zh)
Inventor
姜文生
李鹏
任云泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Dihao Wear Resisting Pipe Co ltd
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SHANDONG DIHAO WEAR PIPELINE CO Ltd
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Abstract

The utility model belongs to fittings for composite metal plastic pipes, and relates to an ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes, in particular to an expansion joint for a composite metal plastic pipe, which is characterized by comprising an ultra-high molecular weight polyethylene expansion pipe (1), a left movable sleeve (5) and a right movable sleeve (2). Two ends of the ultra-high molecular weight polyethylene expansion pipe (1) project outward, the left movable sleeve (5) and the right movable sleeve (2) are sleeved outside the ultra-high molecular weight polyethylene expansion pipe (1), the left end of the left movable sleeve (5) and the right end of the right movable sleeve (2) are respectively provided with a left connecting flange (6) and a right connecting flange (8), and a limiting device is disposed between the left movable sleeve (5) and the right movable sleeve (2). The ultra-high molecular weight polyethylene expansion joint solves the problems of pressure withstanding, wear resistance, corrosion resistance and ease in scaling, and also is simple in manufacture, while service life of the expansion joint is prolonged greatly.

Description

A kind of ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe
Technical field
The utility model belongs to the auxiliary equipment of composite metal plastic pipe, is specifically related to the slip joint that uses in a kind of composite metal plastic pipe, and this slip joint is as stress buffer spare, during the pipeline that can be widely used in fields such as metallurgy, mine, chemical industry, electric power connects.
Background technique
Slip joint mainly contains types such as pipeline expansion joint, expansion joint, compensator, its mainly act on be the compensation extraction duct axially, the distortion of expanding with heat and contract with cold radially.Because steel pipe and plastic tube are flexible inconsistent in the composite metal plastic pipe, cause long-distance pipe need bear big internal stress, main employing is that flip sleeve or the ripple type that has dynamic seal apparatus is flexible coupling at present, these two kinds of structure requirement on machining accuracy height, make complicated, frequent flexible in fatigue damage fast, be not suitable for requiring occasion wear-resisting, corrosion-resistant, easy fouling especially.Ultra-high molecular weight polyethylene slip joint of the present utility model is not only withstand voltage, wear-resisting, corrosion-resistant, less scaling, and makes simply, and improve working life greatly.
The model utility content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of and can effectively solve common slip joint and bear the flexible fatigue failure problem of bringing of frequent pipeline, be more suitable for the ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe of corrosivity, abrasiveness, fouling tendency medium transport.
The technological scheme that its technical problem that solves the utility model adopts is: this is used for the ultra-high molecular weight polyethylene slip joint of composite metal plastic pipe, it is characterized in that: comprise ultra-high molecular weight polyethylene telescopic pipe and left and right quill, described ultra-high molecular weight polyethylene telescopic pipe two ends outwards are provided with projection, described left and right quill is sleeved on the ultra-high molecular weight polyethylene telescopic pipe outside, left side quill left end and right quill right-hand member are respectively equipped with left and right adpting flange, are provided with limit stoper between the left and right quill.
Described left and right quill is sleeved on the ultra-high molecular weight polyethylene telescopic pipe outside successively, and left quill right-hand member transition fit is inserted in the right quill.
Described left quill right-hand member is processed with the arc round angle of R2~R5 by inwall to outer wall.The effect of arc round angle is when the radial expansion of ultra-high molecular weight polyethylene telescopic pipe, and steel pipe can not form its cutting damage.The arc round angle size increases with thickness of steel pipe.
Described left quill length is less than right quill length 10~40mm.
Described limit stoper is made up of caging bolt and left and right spacing flange, the left limit flange is fixed on left quill left side, apart from its adpting flange 30~50mm place, right limit flange correspondence is fixed on right quill left end, and caging bolt is installed in the bolt hole of the spacing flange in the left and right sides.
When the contraction of ultra-high molecular weight polyethylene telescopic pipe, when expanding, limit stoper guarantees that extending amount is in scope of design.
The spacing length of described caging bolt is 80~150mm.
Left and right quill material is the fixed length steel pipe, the ultra-high molecular weight polyethylene telescopic pipe that is built in the left and right quill is extruded or molding and forming by the polyvinyl resin with super-high molecular weight of molecular weight more than 2,500,000, because ultra-high molecular weight polyethylene has good ductility, can elongate to self three times and do not rupture, simultaneously, there is the gap in ultra-high molecular weight polyethylene telescopic pipe and the left and right quill, all right radial expansion is so its extending amount can satisfy the designing requirement of composite metal plastic pipe fully.The two ends flange of ultra-high molecular weight polyethylene telescopic pipe forms projection, and the flange place abuts in the adpting flange end of left and right quill, realizes being connected with Outer Tube.
The utility model is simple in structure, installs easy to make.Utilize ultra-high molecular weight polyethylene to have excellent telescopicing performance, efficiently solve in the existing composite metal plastic pipe steel pipe and plastic tube and stretch inconsistently, cause long-distance pipe to bear the internal stress problem; Particularly solve common slip joint and born the flexible fatigue failure problem of bringing of frequent pipeline.Utilize ultra-high molecular weight polyethylene have excellent wear-resisting, corrosion-resistant, do not stick together, performance such as non-scaling, solved the problem of the anti-various Korrosionsmediums of common slip joint in using, abrasiveness medium, fouling tendency medium.Slip joint improves working life greatly.
Description of drawings
Fig. 1 is the utility model sectional structure schematic representation.
Wherein: 1, ultra-high molecular weight polyethylene telescopic pipe 2, right quill 3, right limit flange 4, left limit flange 5, left quill 6, left adpting flange 7, caging bolt 8 right adpting flanges.
Fig. 1 is a kind of most preferred embodiment that is used for the ultra-high molecular weight polyethylene slip joint of composite metal plastic pipe of the utility model, is described further below in conjunction with 1 pair of the utility model of accompanying drawing:
Embodiment:
With reference to accompanying drawing 1:
A kind of ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe of the utility model, comprise ultra-high molecular weight polyethylene telescopic pipe 1 and left and right quill 5,2, described ultra-high molecular weight polyethylene telescopic pipe 1 two ends outwards are provided with projection, left and right quill 5,2 is sleeved on ultra-high molecular weight polyethylene telescopic pipe 1 outside successively, and left quill 5 right-hand members insert in the right quill 2.Left side quill 5 length are less than right quill 2 length 10~40mm.Left side quill 5 right-hand members are processed with the arc round angle of R2~R5 by inwall to outer wall.Left side quill 5 left ends and right quill 2 right-hand members are respectively equipped with left and right adpting flange 6,8, are provided with limit stoper between the left and right quill 5,2.Limit stoper is made up of caging bolt 7 and left and right spacing flange 4,3, the left limit flange is fixed on left quill left side, apart from adpting flange 30~50mm place, right limit flange 3 correspondences are fixed on right quill 2 left ends, four caging bolts 7 are installed in respectively in four bolts hole of left and right spacing flange 4,3, determine that according to the design extending amount maximum spacing scope is 80~150mm.
Working principle and working procedure are as follows:
At first caging bolt 7 is fixed on spacing length 80~150mm place, length between left and right quill 5,2 exterior edge faces when measuring this position, determine the length of ultra-high molecular weight polyethylene telescopic pipe 1 according to this length, ultra-high molecular weight polyethylene telescopic pipe 1 earlier through extrude or the injection moulding mode prefabricated, insert that the two ends flange gets final product in the sleeve.According to the requirement of pipeline integral telescopic amount, whenever keeping at a certain distance away was provided with a slip joint, when pipeline extends when this slip joint used, this slip joint is elongated in spacing scope automatically, when pipeline shrank, this slip joint was compressed resilience again in spacing scope, realized Telescopic.
Above production method is simple and easy to do, mainly is the exclusive telescopicing performance of performance ultra-high molecular weight polyethylene telescopic pipe 1, realizes the compensation of expanding with heat and contract with cold.Since ultra-high molecular weight polyethylene have excellent withstand voltage, wear-resisting, corrosion-resistant, do not stick together, the non-scaling performance, so be particularly suitable in the middle of the composite metal plastic pipe of special media.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.

Claims (6)

1. ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe, it is characterized in that: comprise ultra-high molecular weight polyethylene telescopic pipe (1) and left and right quill (5,2), described ultra-high molecular weight polyethylene telescopic pipe (1) two ends outwards are provided with projection, described left and right quill (5,2) is sleeved on ultra-high molecular weight polyethylene telescopic pipe (1) outside, left side quill (5) left end and right quill (2) right-hand member are respectively equipped with left and right adpting flange (6,8), be provided with limit stoper between the left and right quill (5,2).
2. a kind of ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe according to claim 1, it is characterized in that: described left and right quill (5,2) is sleeved on ultra-high molecular weight polyethylene telescopic pipe (1) outside successively, and left quill (5) right-hand member inserts in the right quill (2) by transition fit.
3. a kind of ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe according to claim 1 and 2 is characterized in that: described left quill (5) right-hand member is processed with the arc round angle of R2~R5 by inwall to outer wall.
4. a kind of ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe according to claim 1 and 2 is characterized in that: described left quill (5) length is than the little 10~40mm of right quill (2) length.
5. a kind of ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe according to claim 1, it is characterized in that: described limit stoper is made up of caging bolt (7) and left and right spacing flange (4,3), left limit flange (4) is fixed on left quill (5) left side, apart from adpting flange (6) 30~50mm places, right limit flange (3) correspondence is fixed on right quill (2) left end, and caging bolt (7) is installed in the bolt hole of left and right spacing flange (4,3).
6. a kind of ultra-high molecular weight polyethylene slip joint that is used for composite metal plastic pipe according to claim 5, it is characterized in that: the spacing length of described caging bolt (7) is 80~150mm.
CN2010206067854U 2010-11-15 2010-11-15 Ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes Expired - Lifetime CN201858476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206067854U CN201858476U (en) 2010-11-15 2010-11-15 Ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206067854U CN201858476U (en) 2010-11-15 2010-11-15 Ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes

Publications (1)

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CN201858476U true CN201858476U (en) 2011-06-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10066771B2 (en) 2014-01-08 2018-09-04 Garlock Sealing Technologies, Llc Wearable rubber parts for fluid handling services including a polyurethane inner layer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10066771B2 (en) 2014-01-08 2018-09-04 Garlock Sealing Technologies, Llc Wearable rubber parts for fluid handling services including a polyurethane inner layer
US10400926B2 (en) 2014-01-08 2019-09-03 Garlock Sealing Technologies, Llc Wearable rubber parts for fluid handling services including a polyurethane inner layer

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Zhangdian Fu Jia Zhen Yi Cun Fu Shan 255063 Shandong city of Zibo Province

Patentee after: SHANDONG DIHAO WEAR-RESISTING PIPE Co.,Ltd.

Address before: 255000, Zibo City, Shandong province Zhangdian Fu town Shandong Di wear-resistant pipe Co., Ltd.

Patentee before: Shandong Dihao Wear Resistant Pipeline Co.,Ltd.

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

Denomination of utility model: Ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes

Effective date of registration: 20140925

Granted publication date: 20110608

Pledgee: Small enterprise financial service center of qishang Bank Co.,Ltd.

Pledgor: SHANDONG DIHAO WEAR-RESISTING PIPE Co.,Ltd.

Registration number: 2014370000019

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: 20160407

Granted publication date: 20110608

Pledgee: Small enterprise financial service center of qishang Bank Co.,Ltd.

Pledgor: SHANDONG DIHAO WEAR-RESISTING PIPE Co.,Ltd.

Registration number: 2014370000019

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 utility model: Ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes

Effective date of registration: 20180517

Granted publication date: 20110608

Pledgee: Zibo Xinrun financing Company limited by guarantee

Pledgor: SHANDONG DIHAO WEAR-RESISTING PIPE Co.,Ltd.

Registration number: 2018370000088

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20190319

Granted publication date: 20110608

Pledgee: Zibo Xinrun financing Company limited by guarantee

Pledgor: SHANDONG DIHAO WEAR-RESISTING PIPE Co.,Ltd.

Registration number: 2018370000088

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

Denomination of utility model: Ultra-high molecular weight polyethylene expansion joint for composite metal plastic pipes

Effective date of registration: 20200217

Granted publication date: 20110608

Pledgee: Zibo Xinrun financing Company limited by guarantee

Pledgor: SHANDONG DIHAO WEAR-RESISTING PIPE Co.,Ltd.

Registration number: Y2020980000250

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110608

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

Date of cancellation: 20230201

Granted publication date: 20110608

Pledgee: Zibo Xinrun financing Company limited by guarantee

Pledgor: SHANDONG DIHAO WEAR-RESISTING PIPE Co.,Ltd.

Registration number: Y2020980000250