CN202805308U - Hot tapping device for polyethylene pipe - Google Patents

Hot tapping device for polyethylene pipe Download PDF

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Publication number
CN202805308U
CN202805308U CN 201220276274 CN201220276274U CN202805308U CN 202805308 U CN202805308 U CN 202805308U CN 201220276274 CN201220276274 CN 201220276274 CN 201220276274 U CN201220276274 U CN 201220276274U CN 202805308 U CN202805308 U CN 202805308U
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CN
China
Prior art keywords
saddle type
valve
device under
polyethylene pipe
punching device
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.)
Expired - Lifetime
Application number
CN 201220276274
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Chinese (zh)
Inventor
孙斌
郭双柱
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.)
Ningbo Yuhua Electric Appliance Co Ltd
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Ningbo Yuhua Electric Appliance Co Ltd
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Priority to CN 201220276274 priority Critical patent/CN202805308U/en
Application granted granted Critical
Publication of CN202805308U publication Critical patent/CN202805308U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a hot tapping device for a polyethylene (PE) pipe. The device comprises a saddle-shaped straight-through valve (1), a valve, a tapping component and a seal component, wherein the inner wall of the saddle-shaped straight-through valve (1) is fixedly connected with the outer wall of a pipeline to be tapped; the valve is fixedly connected to the pipeline body of the saddle-shaped straight-through valve (1); the seal component is arranged at the pipe orifice of the saddle-shaped straight-through valve (1); the tapping component is a ring-shaped cutter, and is arranged in the pipeline of the saddle-shaped straight-through valve (1); and the front end of the tapping component is closely propped against the outer wall of the pipeline to be tapped. By adopting the hot tapping device, in the situation that the PE pipeline works normally, gas-carrying operation can be completed without depressurization, plastic debris cannot be produced, security, reliability, convenience, fastness and repeated use can be achieved, and the problem of cutting off gas supply for connecting joints in gas companies for a long time can be solved.

Description

The polyethylene pipe punching device under pressure
Technical field
The utility model relates to boring device, relates in particular to a kind of punching device under pressure of polyethylene pipe.
Background technology
The increasing of using at gas along with polyethylene (PE) pipeline, in combustion gas mesolow field, because that the PE pipe has a cost is low, it is convenient to install, the characteristics such as long service life, " to mould Dai Gang " becomes world trends already.Each gas company can't be taken the joint demand of certain customers into account owing to the limitation of planning, adopts traditional joint of stopping the supple of gas or steam, and not only affects online user's normal operation, and has larger potential safety hazard.
The utility model content
In order to solve the problem that boring device of the prior art can't Operating Pressure, the utility model provides a kind of polyethylene pipe punching device under pressure, for safe and efficient, do not stop the supple of gas or steam, not step-down perforate operation provides reliable assurance.
Scheme of the present utility model is as follows:
The polyethylene pipe punching device under pressure comprises that saddle type is straight-through 1, valve, fenestration product and seal member; The anticlastic surface inwall of saddle type straight-through 1 and the outer wall Joint for the treatment of the perforate pipeline are connected with valve on the body of saddle type straight-through 1, and the mouth of pipe place of saddle type straight-through 1 is provided with seal member.
Fenestration product is arranged on the body inside of saddle type straight-through 1, and the front end of fenestration product presses closer on the outer wall for the treatment of the perforate pipeline.
Fenestration product is annular cutting knife, and it comprises annular cutter head 2, knife bar 3, ratchet swingle 4 and forward/back blade adjusting rod 5 successively.
Wherein, annular cutter head 2 passes seal member and is arranged on the tapping for the treatment of the perforate pipeline, knife bar 3 two ends connect respectively annular cutter head 2 and ratchet swingle 4, and ratchet swingle 4 drives knife bar 3 and annular cutter head 2 rotates jointly, and forward/back blade adjusting rod 5 adopts bolt to be connected with knife bar 3 ends.
The front end center of annular cutter head 2 is provided with positioning element 6; Positioning element 6 is a steel vertebra shape head, and it presses closer in the center for the treatment of the perforate pipeline.
Seal member comprises sealing pressure head 8 and O-ring seal 9; Sealing pressure head 8 compression seal cushion rubbers 9, O-ring seal 9 coats the mouth of pipe place that is arranged on saddle type straight-through 1.
Sealing pressure head 8 and O-ring seal 9 centers all have the hole that is complementary with knife bar 3 external diameters.
In order to keep stable in the perforate operation process of tapping machine fuselage, tap operation is achieved, this device comprises and tightens up parts, tightens up parts and comprises clamping plate 10, one group of pull bar 11, baffle plate 12 and feed plate 13.
Tightening up parts is socketed in outside the saddle type straight-through 1; One group of pull bar 11 is with clamping plate 10, and baffle plate 12 and feed plate 13 are bolted on together.
Clamping plate 10, baffle plate 12 is parallel with feed plate 13, and clamping plate 10 are fixed on the outer wall of saddle type straight-through 1 and near cutter head one side; Clamping plate 10 centers are provided with the through hole that is complementary with the straight-through 1 body external diameter of saddle type; Baffle plate 12 is pressed on the outer surface of sealing pressure head 8; Baffle plate 12 centers are provided with the through hole that is complementary with knife bar 3 external diameters; Feed plate 13 is arranged on the forward/back blade adjusting rod 5, and feed bolt 14 is fixed on feed plate 13 centers with Type of Welding; Feed plate 13 centers are provided with the through hole that is complementary with forward/back blade adjusting rod 5 external diameters.
In implementation:
Valve types is PE ball valve 7, and ball valve 7 adopts the body of heat-melting butt-joint form and saddle type straight-through 1 to be fused.
The material of saddle type straight-through 1 is polyethylene, and saddle type leads directly to 1 anticlastic surface inwall and treats that the outer wall of perforate pipeline is fused by the electric smelting connected mode.
The material of sealing pressure head 8 is steel.
Adopt the operating process of PE pipe press and open holes as follows:
1) intends treating that tapping scrapes off PE pipeline oxidization layer that saddle type is led directly to 1 anticlastic surface and treats that perforate PE pipeline and electric smelting connected mode are fused, and the body of saddle type straight-through 1 carries out the heat-melting butt-joint mode with the PE ball valve 7 that waits same specification and is connected at the PE pipeline.
2) open ball valve 7, will be with annular cutter head 2 and the knife bar 3 of positioning element 6, stretch into from ball valve 7 one sides and to direct reach the PE pipeline, adjust knife bar 3 to level and upright position, the positioning element 6 of annular cutter head 2 is withstood on the center for the treatment of perforate, the PE mouth of pipe of ball valve 7 one sides and the steel seal member of knife bar 3 are penetrated into ball valve 7 interfaces, rotatory sealing pressure head 8 from knife bar 3 one sides, make O-ring seal 9 be subjected to compression swelling, reach the effect of sealing.
3) clamping plate 10 of mounting ball valve 7 both sides, baffle plate 12 and feed plate 13, and be fixed together by pull bar 11; Fixedly knife bar 3, and ratchet swingle 4 and forward/back blade adjusting rod 5 are implemented to close in order to annular cutter head 2 is fallen back on ball valve 7 one sides.Adopt the convex bolt connecting mode between forward/back blade adjusting rod 5 and the knife bar 2, convenient advance and retreat, easily dismounting.Knife bar 3 and ratchet swingle 4 cooperation are finished the press and open holes overall process.
4) after ball valve 7 diffuses and closes, rotate knife bar 3 and ratchet swingle 4, when positioning element 6 bored saturating tube wall, annular cutter head 2 had contacted tube wall, need this moment knife bar 3 and the coordination rotation of ratchet swingle 4 to reach the chipless perforate, and along with withdrawing from of knife bar 3 is removed.
5) after ball valve 7 is closed, remove fenestration product, finish whole press and open holes process.
The beneficial effect that the utility model brings is as follows:
The utility model is managed under the normal ruuning situation with pressure at PE, need not step-down and finishes operation under pressure, and do not produce and mould bits, and is safe and reliable, convenient and swift, can reuse.Solved the joint difficult problem of stopping the supple of gas or steam that gas company is of long duration.In addition, this product can also be extended to water supply PE pipe field, and for municipal engineering construction provides more easily approach, the market space of its acquisition will be more wide.
Description of drawings
Fig. 1 is the structural representation of the utility model polyethylene pipe punching device under pressure;
Fig. 2 is the block diagram that tightens up of the utility model polyethylene pipe punching device under pressure;
Detailed description of main elements:
The 1-saddle type is straight-through; 2-annular cutter head; The 3-knife bar; 4-ratchet swingle; 5-forward/back blade adjusting rod;
The 6-positioning element; The 7-ball valve; 8-seals pressure head; The 9-O-ring seal;
The 10-clamping plate; The 11-pull bar; The 12-baffle plate; 13-feed plate; 14-feed bolt.
Now with the specific embodiment the utility model is described in more detail by reference to the accompanying drawings, protection domain of the present utility model is not limited to the following specific embodiment.
The specific embodiment
As shown in Figure 1 and Figure 2, the polyethylene pipe punching device under pressure comprises that saddle type is straight-through 1, ball valve 7, fenestration product and seal member.
Wherein, saddle type straight-through 1 is the polyethylene material, and saddle type leads directly to 1 anticlastic surface inwall and treats that the outer wall of perforate pipeline is fused by the electric smelting connected mode.
The material of ball valve 7 is polyethylene, and it adopts the body of heat-melting butt-joint form and saddle type straight-through 1 to be fused.
Fenestration product is arranged on the body inside of saddle type straight-through 1, and the front end of fenestration product presses closer on the outer wall for the treatment of the perforate pipeline.
Fenestration product is annular cutting knife, and it comprises annular cutter head 2, knife bar 3, ratchet swingle 4 and forward/back blade adjusting rod 5 successively;
Wherein, annular cutter head 2 is arranged on the tapping for the treatment of the perforate pipeline, and ratchet swingle 4 drives knife bar 3 and annular cutter head 2 rotates jointly, and forward/back blade adjusting rod 5 adopts the convex bolt to be connected with knife bar 3.
Annular cutter head 2 front end centers are provided with positioning element 6; Positioning element 6 is a steel vertebra shape head, and it presses closer in the center for the treatment of the perforate pipeline.
Seal member comprises sealing pressure head 8 and O-ring seal 9; Sealing pressure head 8 compression seal cushion rubbers 9, O-ring seal 9 coats the mouth of pipe place that is arranged on saddle type straight-through 1.
Sealing pressure head 8 adopts steel matter to make.
This device comprises and tightens up parts, tightens up parts and comprises clamping plate 10, one group of pull bar 11, baffle plate 12 and feed plate 13.
Tightening up parts is socketed in outside the saddle type straight-through 1; One group of pull bar 11 is with clamping plate 10, and baffle plate 12 and feed plate 13 are bolted on together.
Clamping plate 10, baffle plate 12 is parallel with feed plate 13, and clamping plate 10 are fixed on the outer wall of saddle type straight-through 1 and near cutter head one side; Clamping plate 10 centers are provided with the through hole that is complementary with the straight-through 1 body external diameter of saddle type; Baffle plate 12 is pressed on the outer surface of sealing pressure head 8; Baffle plate 12 centers are provided with the through hole that is complementary with knife bar 3 external diameters; Feed plate 13 is arranged on the forward/back blade adjusting rod 5, and feed bolt 14 is fixed on feed plate 13 centers with Type of Welding; Feed plate 13 centers are provided with the through hole that is complementary with forward/back blade adjusting rod 5 external diameters.
Technique scheme is a kind of embodiment of the present utility model, for those skilled in the art, on the basis that the utility model discloses application process and principle, be easy to make various types of improvement or distortion, and be not limited only to the described structure of the above-mentioned specific embodiment of the utility model, therefore it is preferred that previously described mode is an example, and do not have restrictive meaning.

Claims (8)

1. polyethylene pipe punching device under pressure is characterized in that:
Described device comprises that saddle type leads directly to (1), valve, fenestration product and seal member; The anticlastic surface inwall of described saddle type straight-through (1) and the outer wall Joint for the treatment of the perforate pipeline are connected with described valve on the body of described saddle type straight-through (1), and the mouth of pipe place of described saddle type straight-through (1) is provided with described seal member;
Described fenestration product is arranged on the body inside of described saddle type straight-through (1), and the front end of described fenestration product presses closer on the outer wall for the treatment of the perforate pipeline.
2. polyethylene pipe punching device under pressure according to claim 1 is characterized in that:
Described fenestration product is annular cutting knife, and it comprises annular cutter head (2), knife bar (3), ratchet swingle (4) and forward/back blade adjusting rod (5) successively;
Wherein, described annular cutter head (2) passes described seal member and is arranged on the tapping for the treatment of the perforate pipeline, described knife bar (3) two ends connect respectively described annular cutter head (2) and ratchet swingle (4), described ratchet swingle (4) drives described knife bar (3) and the common rotation of annular cutter head (2), and described forward/back blade adjusting rod (5) adopts bolt to be connected with described knife bar (3) end.
3. polyethylene pipe punching device under pressure according to claim 2 is characterized in that:
The front end center of described annular cutter head (2) is provided with positioning element (6); Described positioning element (6) is a steel vertebra shape head, and it presses closer in the center for the treatment of the perforate pipeline.
4. polyethylene pipe punching device under pressure according to claim 1 and 2 is characterized in that:
Described seal member comprises sealing pressure head (8) and O-ring seal (9); Described sealing pressure head (8) compression seal cushion rubber (9), described O-ring seal (9) coats the mouth of pipe place that is arranged on described saddle type straight-through (1);
Described sealing pressure head (8) and O-ring seal (9) center all have the hole that is complementary with described knife bar (3) external diameter.
5. polyethylene pipe punching device under pressure according to claim 4 is characterized in that:
Described device comprises and tightens up parts that the described parts that tighten up comprise clamping plate (10), one group of pull bar (11), baffle plate (12) and feed plate (13);
The described parts that tighten up are socketed in outside the saddle type straight-through (1); Described one group of pull bar (11) is with described clamping plate (10), and baffle plate (12) and feed plate (13) are bolted on together;
Described clamping plate (10), baffle plate (12) is parallel with feed plate (13), and described clamping plate (10) are fixed on the outer wall of saddle type straight-through (1) and near cutter head one side; Described clamping plate (10) center is provided with the through hole that is complementary with straight-through (1) the body external diameter of described saddle type; Described baffle plate (12) is pressed on the outer surface of described sealing pressure head (8); Described baffle plate (12) center is provided with the through hole that is complementary with described knife bar (3) external diameter; Described feed plate (13) is arranged on the forward/back blade adjusting rod (5), and described feed bolt (14) is fixed on feed plate (13) center with Type of Welding; Described feed plate (13) center is provided with the through hole that is complementary with described forward/back blade adjusting rod (5) external diameter.
6. polyethylene pipe punching device under pressure according to claim 1 is characterized in that:
Described valve types is PE ball valve (7), and described ball valve (7) adopts the body of heat-melting butt-joint form and described saddle type straight-through (1) to be fused.
7. according to claim 1, one of 5,6 described polyethylene pipe punching device under pressures, it is characterized in that:
The material of described saddle type straight-through (1) is polyethylene, and described saddle type leads directly to the anticlastic surface inwall of (1) and treats that the outer wall of perforate pipeline is fused by the electric smelting connected mode.
8. polyethylene pipe punching device under pressure according to claim 4 is characterized in that:
The material of described sealing pressure head (8) is steel.
CN 201220276274 2012-06-12 2012-06-12 Hot tapping device for polyethylene pipe Expired - Lifetime CN202805308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220276274 CN202805308U (en) 2012-06-12 2012-06-12 Hot tapping device for polyethylene pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220276274 CN202805308U (en) 2012-06-12 2012-06-12 Hot tapping device for polyethylene pipe

Publications (1)

Publication Number Publication Date
CN202805308U true CN202805308U (en) 2013-03-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220276274 Expired - Lifetime CN202805308U (en) 2012-06-12 2012-06-12 Hot tapping device for polyethylene pipe

Country Status (1)

Country Link
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103706840A (en) * 2013-12-18 2014-04-09 贵州赤天化集团有限责任公司 Boring machining device convenient for use in limited space
CN104647463A (en) * 2014-06-21 2015-05-27 柳州凯通机械有限公司 Method for processing bee hole in spherical housing
CN105020408A (en) * 2015-08-05 2015-11-04 海宁艾可炫照明电器有限公司 Valve
CN105531523A (en) * 2013-10-17 2016-04-27 株式会社水研 Uninterrupted flow device and uninterrupted flow construction method
CN106112052A (en) * 2016-07-19 2016-11-16 国家电网公司 Boring bar tool on a kind of drainage plate
CN107214766A (en) * 2017-08-08 2017-09-29 浙江海祖管业有限公司 A kind of PE hole drilling device for pipeline with pressure and its construction method
CN109654247A (en) * 2019-01-08 2019-04-19 邹凯 A kind of PE ball valve of band release

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105531523A (en) * 2013-10-17 2016-04-27 株式会社水研 Uninterrupted flow device and uninterrupted flow construction method
CN105531523B (en) * 2013-10-17 2017-06-23 株式会社水研 Not cut-off device and the technique that do not stop
CN103706840A (en) * 2013-12-18 2014-04-09 贵州赤天化集团有限责任公司 Boring machining device convenient for use in limited space
CN103706840B (en) * 2013-12-18 2016-09-14 贵州赤天化集团有限责任公司 The convenient device for boring used at restricted clearance
CN104647463A (en) * 2014-06-21 2015-05-27 柳州凯通机械有限公司 Method for processing bee hole in spherical housing
CN104647463B (en) * 2014-06-21 2016-08-24 柳州凯通机械有限公司 The method of bee-hole on processing spherical shell
CN105020408A (en) * 2015-08-05 2015-11-04 海宁艾可炫照明电器有限公司 Valve
CN106112052A (en) * 2016-07-19 2016-11-16 国家电网公司 Boring bar tool on a kind of drainage plate
CN107214766A (en) * 2017-08-08 2017-09-29 浙江海祖管业有限公司 A kind of PE hole drilling device for pipeline with pressure and its construction method
CN107214766B (en) * 2017-08-08 2019-04-26 浙江海祖管业有限公司 A kind of PE hole drilling device for pipeline with pressure and its construction method
CN109654247A (en) * 2019-01-08 2019-04-19 邹凯 A kind of PE ball valve of band release

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Granted publication date: 20130320

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