CN104989558A - Double-layer pipe joint for engine gas supply system - Google Patents

Double-layer pipe joint for engine gas supply system Download PDF

Info

Publication number
CN104989558A
CN104989558A CN201510405065.9A CN201510405065A CN104989558A CN 104989558 A CN104989558 A CN 104989558A CN 201510405065 A CN201510405065 A CN 201510405065A CN 104989558 A CN104989558 A CN 104989558A
Authority
CN
China
Prior art keywords
double
tube
interior pipe
gas supply
pipe
Prior art date
Application number
CN201510405065.9A
Other languages
Chinese (zh)
Other versions
CN104989558B (en
Inventor
邓亚鹏
曾志龙
金伟
蔡晓霞
李佑长
覃明智
Original Assignee
广西玉柴机器股份有限公司
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 广西玉柴机器股份有限公司 filed Critical 广西玉柴机器股份有限公司
Priority to CN201510405065.9A priority Critical patent/CN104989558B/en
Publication of CN104989558A publication Critical patent/CN104989558A/en
Application granted granted Critical
Publication of CN104989558B publication Critical patent/CN104989558B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Abstract

The invention discloses a double-layer pipe joint for an engine gas supply system. The double-layer pipe joint for the engine gas supply system comprises an outer pipe, an inner pipe and a flange. The upper section of the inner pipe is arranged in an inner cavity of the outer pipe to form a ventilation interlayer. The flange comprises a flange plate and an inner pipe sleeve. An inner pipe penetrating hole is formed in the center of the flange plate. An outer pipe welding groove is formed in the upper end of the inner pipe penetrating hole. The lower section of the inner pipe is inserted in the inner pipe penetrating hole to form a ventilation gap. The ventilation interlayer is communicated with the ventilation gap. Multiple vent holes are formed in the peripheral side of the upper side of the inner pipe sleeve at intervals and communicated with the ventilation gap. By the adoption of the double-layer pipe joint for the engine gas supply system, the vent holes communicated with the ventilation interlayer of a double-layer pipe are formed in the peripheral side of the flange, the installation positions of the double-layer pipe joint are reduced, a double sealing structure of a gasket and an O-shaped ring is adopted in the double-layer pipe joint, and sealing performance is good.

Description

The Double-layer frame joint of engine gas supply system
Technical field
The present invention relates to the gas supply system field of dual-layer wall peculiar to vessel protection, particularly a kind of Double-layer frame joint of engine gas supply system.
Background technique
The gas supply system pipeline of existing gas engine generally uses mono-layer tube, in order to improve the Security of pipeline, in gas engine peculiar to vessel, bimetallic tube need be used, interior pipe leads to combustion gas, outer tube and ventilation system UNICOM, when interior tracheal rupture or poorly sealed time, gas leakage enters outer tube, and flows to safety zone with ventilation system.
The Double-layer frame joint of existing double-deck fuel gas pipeline adopts bimetallic tube and flange (two O type circle) to be welded to connect, and wherein, flange circumference is laid with multiple vent be communicated with the ventilation interlayer of bimetallic tube.Shortcoming: size is large, and take very large mounting point, caliber is too little inapplicable, and the sealing of bimetallic tube joint is bad.Bimetallic tube and flange welding difficulty (must first weld interior pipe, then weld outer tube), outer tube requires that diameter is larger.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of Double-layer frame joint of simple and reasonable engine gas supply system, the good airproof performance of the Double-layer frame joint of this engine gas supply system, and facilitate welding operation.
For achieving the above object, the invention provides a kind of Double-layer frame joint of engine gas supply system, the Double-layer frame joint of this engine gas supply system comprises: outer tube; Interior pipe, its epimere is arranged on the inner chamber of described outer tube, forms ventilation interlayer; And flange, it comprises: flanged plate and interior pipe box cylinder, and the central authorities of this flanged plate offer inner perforated tube, and the upper end of inner perforated tube has outer tube welding groove, and the hypomere of described interior pipe inserts this inner perforated tube and forms airspace; Described ventilation interlayer is communicated with this airspace, and the upside of described interior pipe box cylinder week, side was spaced apart is provided with multiple vent, and this vent is communicated with described airspace.
Preferably, in technique scheme, flanged plate is rhombic plate.
Preferably, in technique scheme, the two ends of rhombic plate offered nail respectively.
Preferably, in technique scheme, the downside week side of interior pipe box cylinder offers O type ring recess.
Preferably, in technique scheme, outer tube inserts described outer tube welding groove, and continue after described interior pipe inserts described inner perforated tube to stretch into interior pipe box cylinder, described interior pipe welds from the lower end of flange, and described outer tube welds from the upper end of flange.
Compared with prior art, the present invention has following beneficial effect: the vent that the Double-layer frame joint of this engine gas supply system is communicated with the ventilation interlayer of bimetallic tube is opened in flange week side, decrease the mounting point of this Double-layer frame joint, and this Double-layer frame joint adopts the double sealing structure of pad, O type circle, good airproof performance.In addition, the interior pipe of the Double-layer frame joint of this engine gas supply system is from the welding of flange lower end, and outer tube, from the welding of flange upper end, is all open area, facilitates welding operation.
Accompanying drawing explanation
Fig. 1 is the perspective view of the Double-layer frame joint of engine gas supply system of the present invention.
Fig. 2 is the sectional structure schematic diagram of the Double-layer frame joint of engine gas supply system of the present invention.
Fig. 3 is the using state structural representation of the Double-layer frame joint of engine gas supply system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As depicted in figs. 1 and 2, concrete structure according to the Double-layer frame joint of the engine gas supply system of the specific embodiment of the invention comprises: outer tube 1, interior pipe 3, and connect the flange 2 of this outer tube 1 and interior pipe 3, wherein, outer tube 1 and interior pipe 3 are formed with ventilation interlayer, and interior pipe 3 welds from the lower end of flange 2, and outer tube 1 welds from the upper end of flange 2, be all open area, facilitate welding operation.All sides of flange 2 offer the vent be communicated with the ventilation interlayer of bimetallic tube, decrease the mounting point of this Double-layer frame joint, and this Double-layer frame joint adopts the double sealing structure of pad, O type circle, good airproof performance.
Specifically, interior pipe 3 is arranged on the inner chamber of outer tube 1, and forms interlayer of ventilating between interior pipe 3 and outer tube 1, and interior pipe leads to combustion gas, when interior tracheal rupture or poorly sealed time, combustion gas can flow ventilation interlayer, and is directed to safety zone with ventilation system.
Flange 2 comprises: rhombic plate and interior pipe box cylinder 8, and wherein, the two ends of this rhombic plate offered nail 4 respectively, connects compress for construction bolt.The central authorities of rhombic plate offer inner perforated tube, and the upper end of inner perforated tube has outer tube welding groove, and when outer tube 1, interior pipe 3 are connected with flange 2, interior pipe 3 inserts inner perforated tube, forms airspace between the outside of interior pipe 3 and inner perforated tube; The ventilation interlayer that outer tube 1 and interior pipe 3 are formed is communicated with the airspace formed between interior pipe 3 and inner perforated tube.The upside week of interior pipe box cylinder, side was spaced apart is provided with multiple vent 5, all sides, downside offer O type ring recess 6, vent 5 is communicated with the airspace formed between interior pipe 3 and inner perforated tube, thus guide ventilation interlayer into ventilation system, when interior tracheal rupture or poorly sealed time, combustion gas can flow ventilation interlayer, then enters ventilation system by vent 5 and be directed to safety zone.
Outer tube 1 inserts outer tube welding groove, continues to stretch into interior pipe box cylinder after interior pipe 3 inserts inner perforated tube, and interior pipe 3 welds from the lower end of flange 2, and outer tube 1 welds from the upper end of flange 2, is all open area, facilitates welding operation.
As shown in Figure 3, during use, this Double-layer frame joint inserts connected element by the interior pipe box cylinder of flange 2, and end face of flange is sealed (flanged surface) by pad 7, prevents ventilating layer air leak.O type circle is set in O type ring recess 6 and carries out radial seal, prevent gas leakage, ensure that combustion gas is only flowed at interior pipe.This Double-layer frame joint adopts the double sealing structure of pad, O type circle, good airproof performance.
To sum up, the vent that the Double-layer frame joint of this engine gas supply system is communicated with the ventilation interlayer of bimetallic tube is opened in flange week side, decrease the mounting point of this Double-layer frame joint, and this Double-layer frame joint adopts the double sealing structure of pad, O type circle, good airproof performance.In addition, the interior pipe of the Double-layer frame joint of this engine gas supply system is from the welding of flange lower end, and outer tube, from the welding of flange upper end, is all open area, facilitates welding operation.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.

Claims (5)

1. a Double-layer frame joint for engine gas supply system, is characterized in that, comprising:
Outer tube;
Interior pipe, its epimere is arranged on the inner chamber of described outer tube, forms ventilation interlayer; And
Flange, it comprises: flanged plate and interior pipe box cylinder, and the central authorities of this flanged plate offer inner perforated tube, and the upper end of inner perforated tube has outer tube welding groove, and the hypomere of described interior pipe inserts this inner perforated tube and forms airspace; Described ventilation interlayer is communicated with this airspace, and the upside of described interior pipe box cylinder week, side was spaced apart is provided with multiple vent, and this vent is communicated with described airspace.
2. the Double-layer frame joint of engine gas supply system according to claim 1, is characterized in that, described flanged plate is rhombic plate.
3. the Double-layer frame joint of engine gas supply system according to claim 2, is characterized in that, the two ends of described rhombic plate offered nail respectively.
4. the Double-layer frame joint of engine gas supply system according to claim 1, is characterized in that, the downside week side of described interior pipe box cylinder offers O type ring recess.
5. the Double-layer frame joint of engine gas supply system according to claim 1, it is characterized in that, described outer tube inserts described outer tube welding groove, continue after described interior pipe inserts described inner perforated tube to stretch into interior pipe box cylinder, described interior pipe welds from the lower end of flange, and described outer tube welds from the upper end of flange.
CN201510405065.9A 2015-07-10 2015-07-10 The Double-layer frame joint of engine gas feed system Active CN104989558B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510405065.9A CN104989558B (en) 2015-07-10 2015-07-10 The Double-layer frame joint of engine gas feed system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510405065.9A CN104989558B (en) 2015-07-10 2015-07-10 The Double-layer frame joint of engine gas feed system

Publications (2)

Publication Number Publication Date
CN104989558A true CN104989558A (en) 2015-10-21
CN104989558B CN104989558B (en) 2019-03-15

Family

ID=54301423

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510405065.9A Active CN104989558B (en) 2015-07-10 2015-07-10 The Double-layer frame joint of engine gas feed system

Country Status (1)

Country Link
CN (1) CN104989558B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105604742A (en) * 2016-03-29 2016-05-25 成都科力夫科技有限公司 Combustible gas injection system for dual-fuel locomotive
CN105649821A (en) * 2016-03-29 2016-06-08 成都科力夫科技有限公司 Jet auxiliary control system of dual-fuel automobile
CN105673262A (en) * 2016-03-29 2016-06-15 成都科力夫科技有限公司 Supply gas pre-heating method for dual-fuel automobiles
CN105673261A (en) * 2016-03-29 2016-06-15 成都科力夫科技有限公司 Fuel gas supply heating method for dual-fuel automobiles
CN105781802A (en) * 2016-03-29 2016-07-20 成都科力夫科技有限公司 Air jet adjusting and control method of double-fuel engine
CN105781800A (en) * 2016-03-29 2016-07-20 成都科力夫科技有限公司 Gas injection system of dual-fuel locomotive engine
CN105804891A (en) * 2016-03-29 2016-07-27 成都科力夫科技有限公司 Fuel gas jetting control method of double-fuel locomotive
CN105822461A (en) * 2016-03-29 2016-08-03 成都科力夫科技有限公司 Fuel gas injection method for dual-fuel vehicle
CN105840345A (en) * 2016-03-29 2016-08-10 成都科力夫科技有限公司 Fuel gas supply method of double-fuel locomotive
CN107131079A (en) * 2017-07-05 2017-09-05 广西玉柴机器股份有限公司 A kind of gas engine supply bimetallic tube
CN108474323A (en) * 2016-01-12 2018-08-31 瓦锡兰芬兰有限公司 Fuel gas manifold component, internal combustion piston engine and the method for manufacturing fuel gas manifold component

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203783759U (en) * 2014-03-21 2014-08-20 富地红华动力(武汉)有限责任公司 Gas circuit device for dual-fuel engine of ship
CN104533665A (en) * 2014-12-19 2015-04-22 重庆普什机械有限责任公司 Fuel gas inlet branch pipe sealing structure for double-fuel engine
CN204738889U (en) * 2015-07-10 2015-11-04 广西玉柴机器股份有限公司 Double tube of engine fuel gas supply system connects

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203783759U (en) * 2014-03-21 2014-08-20 富地红华动力(武汉)有限责任公司 Gas circuit device for dual-fuel engine of ship
CN104533665A (en) * 2014-12-19 2015-04-22 重庆普什机械有限责任公司 Fuel gas inlet branch pipe sealing structure for double-fuel engine
CN204738889U (en) * 2015-07-10 2015-11-04 广西玉柴机器股份有限公司 Double tube of engine fuel gas supply system connects

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108474323A (en) * 2016-01-12 2018-08-31 瓦锡兰芬兰有限公司 Fuel gas manifold component, internal combustion piston engine and the method for manufacturing fuel gas manifold component
CN108474323B (en) * 2016-01-12 2020-08-21 瓦锡兰芬兰有限公司 Fuel gas manifold assembly, method of manufacturing the same, and internal combustion piston engine
CN105604742A (en) * 2016-03-29 2016-05-25 成都科力夫科技有限公司 Combustible gas injection system for dual-fuel locomotive
CN105649821A (en) * 2016-03-29 2016-06-08 成都科力夫科技有限公司 Jet auxiliary control system of dual-fuel automobile
CN105673262A (en) * 2016-03-29 2016-06-15 成都科力夫科技有限公司 Supply gas pre-heating method for dual-fuel automobiles
CN105673261A (en) * 2016-03-29 2016-06-15 成都科力夫科技有限公司 Fuel gas supply heating method for dual-fuel automobiles
CN105804891A (en) * 2016-03-29 2016-07-27 成都科力夫科技有限公司 Fuel gas jetting control method of double-fuel locomotive
CN105822461A (en) * 2016-03-29 2016-08-03 成都科力夫科技有限公司 Fuel gas injection method for dual-fuel vehicle
CN105840345A (en) * 2016-03-29 2016-08-10 成都科力夫科技有限公司 Fuel gas supply method of double-fuel locomotive
CN105781802A (en) * 2016-03-29 2016-07-20 成都科力夫科技有限公司 Air jet adjusting and control method of double-fuel engine
CN105781800A (en) * 2016-03-29 2016-07-20 成都科力夫科技有限公司 Gas injection system of dual-fuel locomotive engine
CN107131079A (en) * 2017-07-05 2017-09-05 广西玉柴机器股份有限公司 A kind of gas engine supply bimetallic tube

Also Published As

Publication number Publication date
CN104989558B (en) 2019-03-15

Similar Documents

Publication Publication Date Title
CN203477676U (en) Flange plate
CN204512721U (en) High-pressure anticorrosion flange
CN104756279A (en) Battery module
CN104595726A (en) Natural gas pipeline system having leakage warming function
CN103900087A (en) Burner and gas stove
CN102607301B (en) Non-detachable access hole-free nickel-base alloy heat exchanger for high-pressure high-acidity natural gas
CN204739355U (en) Bellows is prevented leaking in vacuum
CN202813927U (en) Air condition compressor liquid storage device
CN203811016U (en) Sealing plug
CN103470885A (en) Fixing part used for fixing water heater pipeline
CN205331537U (en) Normal close electric storm valve
CN203476280U (en) Improved oil sleeve gas tightness detection packer
CN103574215A (en) PE pipeline pressure test blind plate
CN210106792U (en) Connecting clamp for fire hose
CN206428071U (en) A kind of aeration plate
US9366169B2 (en) Seal for an exhaust aftertreatment device in an internal combustion engine
CN203705128U (en) Metal bellows assembly air tightness test device
CN206488685U (en) Air-conditioner set, heat exchanger and its tube sheet
CN104989558B (en) The Double-layer frame joint of engine gas feed system
CN103672943B (en) Air preheater float tube sealed elastic sealing shroud device
CN105715888A (en) Tight flange connecting piece
CN205175202U (en) Tube sheet structure in tantalum material heat exchanger
CN103557738B (en) A kind of hermetically-sealed construction of tube header of tube-type heat exchanger
CN204314019U (en) Hook circle movable tube sheets heat exchanger shell side structure for pressure test
WO2016045575A1 (en) Electric kettle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant