CN204280362U - A kind of liquefied natural gas tank car - Google Patents
A kind of liquefied natural gas tank car Download PDFInfo
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- CN204280362U CN204280362U CN201420678764.1U CN201420678764U CN204280362U CN 204280362 U CN204280362 U CN 204280362U CN 201420678764 U CN201420678764 U CN 201420678764U CN 204280362 U CN204280362 U CN 204280362U
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- tank body
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Abstract
The utility model relate to a kind of liquefied natural gas tank car, comprises operation room and underframe, and underframe one end is an end, and the other end is “A” end of car or tail end; Operation room to be arranged on underframe near “A” end of car place, also comprise can bear impact load in railway transport course and fatigue load tank body, heat-extraction system can be added at tank car both sides handling liquefied natural gas; Tank body is fixedly installed on underframe, adds heat-extraction system and is arranged on operation room inside.This liquefied natural gas tank car solves the reality that liquefied natural gas medium does not have railway transportation equipment, realizes liquefied natural gas medium in enormous quantities by railway, long apart from safe and reliable transport, solves the problem of domestic liquefied natural gas energy transport.
Description
Technical field
The utility model relates to a kind of liquefied natural gas tank car.
Background technology
Highway or water-borne transport equipment for storing and transporting liquefied natural gas are applied, and these liquefied natural gas transport equipment are liquefied natural gas superimposed trailer, liquefied natural gas pot type freight container etc. such as, but there is no application in railway transport field.Because the comfortable property in railway transportation operating mode and highway or water route is very different, it is usually one group transports by having the tank car of escorting management function and compiling without the tank car escorting management function in transportation, so, liquefied natural gas tank car, except the physicochemical property of demand fulfillment conveying medium requires, also needs to meet the traveling in railway transport course, braking, connects and hang, add row and escort the particular/special requirements such as management.
Summary of the invention
The utility model provides a kind of liquefied natural gas tank car, mainly solve Problems existing in background technology, solve the reality that liquefied natural gas medium does not have railway transportation equipment, realize liquefied natural gas medium in enormous quantities by railway, long apart from safe and reliable transport, solve the problem of domestic liquefied natural gas energy transport.
The technical solution of the utility model:
This liquefied natural gas tank car, comprises operation room and underframe, and underframe one end is an end, and the other end is “A” end of car or tail end; To be arranged on underframe near “A” end of car place between aforesaid operations, comprise can bear impact load in railway transport course and fatigue load tank body, heat-extraction system can be added at tank car two ends handling liquefied natural gas; Above-mentioned tank body is fixedly installed on underframe, and the above-mentioned heat-extraction system that adds is arranged on operation room inside.
Above-mentioned tank body comprises outer tank body, is arranged on the interior tank body in outer tank body, is arranged on the supporting construction between inside and outside tank body;
Above-mentioned supporting construction comprises sliding support and axial connecting device;
Above-mentioned sliding support comprises the first axial arranged sliding support assembly along tank body and the second sliding support assembly, and wherein, the first sliding support assembly can axially slide, and the second sliding support assembly can axially slide with circumference;
Above-mentioned first sliding support assembly comprises the inner canister reinforcement body plate, supporting seat, glass reinforced plastic support, supporting cover, the outer tank body stiffening plate that connect successively from interior tank wall to outer tank body inwall;
Above-mentioned supporting seat is provided with axial notch, and supporting cover is equipped with circular groove; Described glass reinforced plastic support two ends are installed in the groove of supporting seat and the groove of supporting cover respectively; Described glass reinforced plastic support can move in the axial direction;
Above-mentioned second sliding support assembly structure is identical with the first sliding support assembly; Supporting seat in described second sliding support assembly is plane, and supporting cover all offers circular groove; Glass reinforced plastic support in described second sliding support assembly can axially move with circumference;
Above-mentioned axial connecting device arranged direction is along the axis of tank body; Above-mentioned axial connecting device comprises pull bar, the first pull bar permanent seat and the second pull bar permanent seat; Above-mentioned first pull bar one end is passed interior pot body closing end and is extended in interior tank body, and the other end passes outer tank body end socket and extends space outerpace;
The part that above-mentioned pull bar stretches into interior tank body is connected with the first pull bar permanent seat;
The part that above-mentioned pull bar stretches out outer tank body is connected with the second pull bar permanent seat;
Above-mentioned first pull bar permanent seat is fixedly mounted on the inwall of interior tank body; Above-mentioned second pull bar permanent seat is fixedly mounted on the outer wall of outer tank body.
The above-mentioned heat-extraction system that adds comprises liquid phase pipeline, gas phase pipeline, pressure piping, overpressure relief pipeline, diffuses pipeline, overflow passage, Long-distance Control pipeline and measuring system safely;
Above-mentioned liquid phase pipeline comprises top liquid phase pipeline and bottom liquid phases pipeline;
Above-mentioned top liquid phase pipeline comprises the first top liquid phase pipeline, the second top liquid phase pipeline, the 3rd top liquid phase pipeline; Above-mentioned first liquid phase pipeline one end, top is fixedly connected with tank base, and the above-mentioned first top liquid phase pipeline other end is connected by check valve with the first port of threeway; Second and third liquid phase pipeline one end, top above-mentioned is connected by shutoff valve with second and third port of threeway respectively; The other end of second and third top liquid phase pipeline above-mentioned is fixed handling facilities with ground and is connected;
Above-mentioned bottom liquid phases pipeline comprises the first bottom liquid phases pipeline, the second bottom liquid phases pipeline, the 3rd bottom liquid phases pipeline; Above-mentioned first bottom liquid phases pipeline one end is fixedly connected with tank base, and the above-mentioned first bottom liquid phases pipeline other end is connected by quick action emergency valve with the first port of threeway; Second and third bottom liquid phases pipeline one end above-mentioned is connected by shutoff valve with second and third port of threeway respectively, the other end of above-mentioned second bottom liquid phases pipeline is connected with shutoff valve on the second top liquid phase pipeline, and the above-mentioned 3rd bottom liquid phases pipeline other end is fixedly attached to the 3rd top liquid phase pipeline;
Above-mentioned gas phase pipeline comprises the first gas phase pipeline, the second gas phase pipeline, the 3rd gas phase pipeline; Above-mentioned first gas phase pipeline one end is fixedly connected with tank base, and the above-mentioned first gas phase pipeline other end is connected by quick action emergency valve with the first port of threeway; Second and third gas phase pipeline one end above-mentioned is connected by shutoff valve with second and third port of threeway respectively; The other end of second and third gas phase pipeline above-mentioned is fixed handling facilities with ground and is connected;
Above-mentioned pressure piping comprises the first pressure piping, the second pressure piping, the 3rd pressure piping; Above-mentioned first pressure piping one end is fixedly connected with tank base, and the above-mentioned first pressure piping other end is connected by quick action emergency valve with the first port of threeway; Second and third pressure piping one end above-mentioned is connected by shutoff valve with second and third port of threeway respectively; The other end and the ground of second and third pressure piping above-mentioned are fixed handling facilities and are connected;
Above-mentioned Long-distance Control pipeline realizes Long-distance Control by controlling quick action emergency valve.
Above-mentioned tank body adopts vacuum multi-layer wound insulation double layers of tank body structure.
Above-mentioned first sliding support assembly has been evenly arranged multiple along the circumferencial direction of tank body; Above-mentioned second sliding support assembly has been evenly arranged multiple along the circumferencial direction of tank body;
Above-mentioned first pull bar permanent seat comprises connecting element, ball link, protective case; One end of above-mentioned fixing piece is fixedly connected with the outer wall of interior tank body, and the other end is fixedly connected with ball link; Above-mentioned protective case is sleeved on the outside of spherical seat;
The structure of above-mentioned second pull bar permanent seat is identical with the structure of the first pull bar permanent seat; One end of above-mentioned first pull bar is connected with ball link upper in the first pull bar permanent seat through the connecting element on the first pull bar permanent seat, and the other end of pull bar is connected with the ball link on the second pull bar permanent seat through the connecting element on the second pull bar permanent seat;
Above-mentioned ball link comprises the pedestal be fixedly mounted on connecting element, the spheroid be arranged in pedestal; Above-mentioned spheroid offers the mounting hole suitable with pull bar size;
Above-mentioned base vivo wall is provided with adiabatic layer;
The material of above-mentioned pull bar, spheroid, connecting element all selects austenitic stainless steel;
Above-mentioned fixing piece comprises adapter plate, fixed muffle and strengthens gusset; One end and the adapter plate of above-mentioned fixed muffle are connected, and interior inner tank wall or the outer tank body outer wall of the other end and low-temperature (low temperature) vessel tank body are connected; Above-mentioned reinforcement gusset is arranged on the outside of fixed muffle and is circumferentially provided with multiple.
Above-mentioned add arranging device with ground fix handling facilities connect be pass through Flange joint.
The utility model has the advantage of:
This liquefied natural gas tank car, solves the reality that liquefied natural gas medium does not have railway transportation equipment, realizes liquefied natural gas medium in enormous quantities by railway, long apart from safe and reliable transport, solves the problem of domestic liquefied natural gas energy transport.
Accompanying drawing explanation
Fig. 1 is liquefied natural gas tank car figure of the present utility model;
Fig. 2 is the utility model liquefied natural gas tank body of tank car structure diagram;
Fig. 3 is that the utility model liquefied natural gas tank car adds heat-extraction system sketch;
Description of reference numerals: 1-coupler and draft gear, 2-undercarriage arrangement, 3-bogie truck, 4-tank car assembles, 5-brake equipment, 6-tank and underframe connecting device, 7-add heat-extraction system, 8-operation room, 9-outer tank body, 10-interior tank body, 11-interior outer tank body bracing or strutting arrangement, 12-axial pull bar, 13-support cover, 14-outer tank body stiffening plate, 21-liquid phase pipeline, 22-gas phase pipeline, 23-pressure piping, 24-overpressure relief pipeline, 25-safety diffuses pipeline, 26-overflow passage, 27-tele-control system, 28-measuring system.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
This liquefied natural gas tank car, it meets the functional requirement of conveying liquified natural gas medium, meet the traveling in railway transport administration process simultaneously, braking, hook delay and add the special requirement such as row, its load-carrying is large, about 41t, safe reliability is high, can realize liquefied natural gas by the long distance of railway, in enormous quantities, safe and reliable transport.This liquefied natural gas tank car is Cryo Heat Insulation formula moving pressure container, adopts the adiabatic form of high vacuum multiple wraps.
This liquefied natural gas tank car, comprise coupler buffering device, bogie truck, tank and underframe connecting device, brake equipment, operation room and underframe, also comprise can bear impact load in railway transport course and fatigue load tank body, heat-extraction system can be added at tank car two ends handling liquefied natural gas; Underframe one end is an end, and the other end is “A” end of car or tail end; Operation room is arranged on vehicle “A” end of car, and above-mentioned tank body is fixedly installed on underframe, adds heat-extraction system and is arranged on operation room inside.
Tank body:
Tank body comprises outer tank body, is arranged on the interior tank body in outer tank body, is arranged on the supporting construction between inside and outside tank body;
Tank body adopts vacuum multi-layer wound insulation double layers of tank body structure;
Supporting construction comprises sliding support and axial connecting device;
Sliding support comprises the first axial arranged sliding support assembly along tank body and the second sliding support assembly, and wherein, the first sliding support assembly can axially slide, and the second sliding support assembly can axially slide with circumference;
First sliding support assembly comprises the inner canister reinforcement body plate, supporting seat, glass reinforced plastic support, supporting cover, the outer tank body stiffening plate that connect successively from interior tank wall to outer tank body inwall;
Supporting seat is provided with axial notch, and supporting cover offers circular groove; Glass reinforced plastic support two ends are installed in the groove of supporting seat and the groove of supporting cover respectively; Glass reinforced plastic support can move in the axial direction;
Second sliding support assembly structure is identical with the first sliding support assembly; Supporting seat in second sliding support assembly is plane, and supporting cover is provided with circular groove; Glass reinforced plastic support in second sliding support assembly can axially move with circumference;
Axial connecting device arranged direction is along the axis of tank body; Axial connecting device comprises pull bar, the first pull bar permanent seat and the second pull bar permanent seat; First pull bar one end is passed interior pot body closing end and is extended in interior tank body, and the other end passes outer tank body end socket and extends space outerpace;
The part that pull bar stretches into interior tank body is connected with the first pull bar permanent seat;
The part that pull bar stretches out outer tank body is connected with the second pull bar permanent seat;
First pull bar permanent seat is fixedly mounted on the inwall of interior tank body; Second pull bar permanent seat is fixedly mounted on the outer wall of outer tank body.
First sliding support assembly has been evenly arranged multiple along the circumferencial direction of tank body; Second sliding support assembly has been evenly arranged multiple along the circumferencial direction of tank body;
First pull bar permanent seat comprises connecting element, ball link, protective case; One end of connecting element is fixedly connected with the outer wall of interior tank body, and the other end is fixedly connected with ball link; Protective case is sleeved on the outside of spherical seat;
The structure of the second pull bar permanent seat is identical with the structure of the first pull bar permanent seat; One end of first pull bar is connected with ball link upper in the first pull bar permanent seat through the connecting element on the first pull bar permanent seat, and the other end of pull bar is connected with the ball link on the second pull bar permanent seat through the connecting element on the second pull bar permanent seat;
Ball link comprises the pedestal be fixedly mounted on connecting element, the spheroid be arranged in pedestal; Spheroid offers the mounting hole suitable with pull bar size;
Base vivo wall is provided with adiabatic layer;
The material of pull bar, spheroid, connecting element all selects austenitic stainless steel;
Connecting element comprises adapter plate, fixed muffle and strengthens gusset; One end and the adapter plate of above-mentioned fixed muffle are connected, and interior inner tank wall or the outer tank body outer wall of the other end and low-temperature (low temperature) vessel tank body are connected; Above-mentioned reinforcement gusset is arranged on the outside of fixed muffle and is circumferentially provided with multiple.
Add heat-extraction system:
Add heat-extraction system to comprise liquid phase pipeline, gas phase pipeline, pressure piping, overpressure relief pipeline, diffuse pipeline, overflow passage, Long-distance Control pipeline and measuring system safely;
Liquid phase pipeline comprises top liquid phase pipeline and bottom liquid phases pipeline;
Top liquid phase pipeline comprises the first top liquid phase pipeline, the second top liquid phase pipeline, the 3rd top liquid phase pipeline; First liquid phase pipeline one end, top is fixedly connected with tank base, and the first top liquid phase pipeline other end is connected by check valve with the first port of threeway; Second and third liquid phase pipeline one end, top is connected by shutoff valve with second and third port of threeway respectively; The other end and the ground of second and third top liquid phase pipeline are fixed handling facilities and are connected;
Bottom liquid phases pipeline comprises the first bottom liquid phases pipeline, the second bottom liquid phases pipeline, the 3rd bottom liquid phases pipeline; First bottom liquid phases pipeline one end is fixedly connected with tank base, and the first bottom liquid phases pipeline other end is connected by quick action emergency valve with the first port of threeway; Second and third bottom liquid phases pipeline one end is connected by shutoff valve with second and third port of threeway respectively, the other end of the second bottom liquid phases pipeline is connected with shutoff valve on the second top liquid phase pipeline, and the 3rd bottom liquid phases pipeline other end is fixedly attached to the 3rd top liquid phase pipeline;
Gas phase pipeline comprises the first gas phase pipeline, the second gas phase pipeline, the 3rd gas phase pipeline; First gas phase pipeline one end is fixedly connected with tank base, and the first gas phase pipeline other end is connected by quick action emergency valve with the first port of threeway; Second and third gas phase pipeline one end is connected by shutoff valve with second and third port of threeway respectively; The other end and the ground of second and third gas phase pipeline are fixed handling facilities and are connected;
Pressure piping comprises the first pressure piping, the second pressure piping, the 3rd pressure piping; First pressure piping one end is fixedly connected with tank base, and the first pressure piping other end is connected by quick action emergency valve with the first port of threeway; Second and third pressure piping one end is connected by shutoff valve with second and third port of threeway respectively; The other end and the ground of second and third pressure piping are fixed handling facilities and are connected;
Long-distance Control pipeline realizes Long-distance Control by controlling quick action emergency valve.
Add arranging device with ground fix handling facilities connect be pass through Flange joint.
Tank and underframe connecting device:
Tank and underframe connecting device adopt pressing plate connecting device, meet the connection request of various operating mode lower tank assembling and undercarriage arrangement in the use procedure of liquefied natural gas tank car.
Underframe:
Underframe adopts center sill structure, meets the requirement of the transmission of tank car transportation different directions load.
Brake equipment:
Brake equipment adopts railway competent authorities to allow braking technology prevailing for the time being in force, meets the requirement of the walking of liquefied natural gas tank car and braking.
Coupler buffering device, bogie truck:
Coupler buffering device, bogie truck adopt pattern and the structure of existing railway transport administration requirement, meet the traveling of liquefied natural gas tank car and connect the requirement of hanging.
Operation room:
Operation room meets liquefied natural gas tank car and adds the functional requirement being drained through human users in journey, has the functional requirement to adding heat-extraction system safety guard-safeguard simultaneously.
Fig. 1 shows the liquefied natural gas tank car implemented according to the utility model, and at China Railway Transportation liquefied natural gas, meet goods train universal technical requirements, load-carrying is about 41t.Liquefied natural gas tank car primarily of coupler and draft gear 1, undercarriage arrangement 2, bogie truck 3, tank body assembling 4, brake equipment 5, tank and underframe connecting device 6, add heat-extraction system 7, operation room 8 forms.Wherein operation room is arranged on vehicle “A” end of car, adds heat-extraction system and is arranged on vehicle “A” end of car and inner at operation room, and adds heat-extraction system and meet functional requirement in the handling of vehicle “A” end of car both sides.Underframe assembling employing has center sill structure, meets the requirement of the transmission of tank car transportation different directions load.Tank and underframe connecting device adopt pressing plate connecting device, meet the connection request of various operating mode lower tank assembling and undercarriage arrangement in the use procedure of liquefied natural gas tank car.Brake equipment adopts railway competent authorities to allow braking technology prevailing for the time being in force, meets the requirement of the walking of liquefied natural gas tank car and braking.Coupler and draft gear, bogie truck adopt pattern and the structure of existing railway transport administration requirement, meet the traveling of liquefied natural gas tank car and connect the requirement of hanging.
Fig. 2 shows the tank body assembling of the liquefied natural gas tank car implemented according to the utility model, it adopts vacuum multi-layer wound insulation double layers of tank body structure, is made up of outer tank body assembling 9, interior tank body assembling 10, interior outer tank body bracing or strutting arrangement 11, vacuum interlayer winding and adsorption plant etc.Wherein interior tank body is assembled into pressure resistant vessel, and main material is austenitic stainless steel, meets the transportation characterization requirement of liquefied natural gas medium.Outer tank body is assembled into pressure resistant vessel, and main material is low-alloy steel, meets the functional requirement of sealed vacuum interlayer and transmission movement load.Interior outer tank body bracing or strutting arrangement 11 adopts the material and structure that failure-free, thermal resistance are large, not only meets the dynamic changes process requirement between outer tank body in transportation, has good heat-insulating property simultaneously.Vacuum interlayer is wound around and adsorption plant radical function is adiabatic and maintains the degree of vacuum of vacuum interlayer between interior outer tank body.
Fig. 3 show according to the utility model implement liquefied natural gas tank car add heat-extraction system, it meets the functional requirement of liquefied natural gas medium in the handling of different azimuth.Add heat-extraction system and diffuse the compositions such as pipeline 25, overflow passage 26, tele-control system 27, measuring system 28 primarily of liquid phase pipeline 21, gas phase pipeline 22, pressure piping 23, overpressure relief pipeline 24, safety.Wherein liquid phase pipeline, gas phase pipeline, pressure piping are respectively equipped with two-way overside port, meet the handling demand that liquefied natural gas tank car “A” end of car car body both sides are different.
Claims (10)
1. a liquefied natural gas tank car, comprises operation room and underframe, and underframe one end is an end, and the other end is “A” end of car or tail end; Described operation room to be arranged on underframe near “A” end of car place, it is characterized in that: also comprise can bear impact load in railway transport course and fatigue load tank body, heat-extraction system can be added at tank car both sides handling liquefied natural gas; Described tank body is fixedly installed on underframe, described in add heat-extraction system and be arranged on operation room inside.
2. liquefied natural gas tank car according to claim 1, is characterized in that: described tank body comprises outer tank body, is arranged on the interior tank body in outer tank body, is arranged on the supporting construction between inside and outside tank body;
Described supporting construction comprises sliding support and axial connecting device;
Described sliding support comprises the first axial arranged sliding support assembly along tank body and the second sliding support assembly, and wherein, the first sliding support assembly can axially slide, and the second sliding support assembly can axially slide with circumference;
Described first sliding support assembly comprises the inner canister reinforcement body plate, supporting seat, glass reinforced plastic support, supporting cover, the outer tank body stiffening plate that connect successively from interior tank wall to outer tank body inwall;
Described supporting seat is provided with axial notch, and supporting cover is equipped with circular groove; Described glass reinforced plastic support two ends are installed in the groove of supporting seat and the groove of supporting cover respectively; Described glass reinforced plastic support can move in the axial direction;
Described second sliding support assembly structure is identical with the first sliding support assembly; Supporting seat in described second sliding support assembly is plane, and supporting cover all offers circular groove; Glass reinforced plastic support in described second sliding support assembly can axially move with circumference;
Described axial connecting device arranged direction is along the axis of tank body; Described axial connecting device comprises pull bar, the first pull bar permanent seat and the second pull bar permanent seat; Described first pull bar one end is passed interior pot body closing end and is extended in interior tank body, and the other end passes outer tank body end socket and extends space outerpace;
The part that described pull bar stretches into interior tank body is connected with the first pull bar permanent seat;
The part that described pull bar stretches out outer tank body is connected with the second pull bar permanent seat;
Described first pull bar permanent seat is fixedly mounted on the inwall of interior tank body; Described second pull bar permanent seat is fixedly mounted on the outer wall of outer tank body.
3. liquefied natural gas tank car according to claim 1, is characterized in that: the described heat-extraction system that adds comprises liquid phase pipeline, gas phase pipeline, pressure piping, overpressure relief pipeline, diffuses pipeline, overflow passage, Long-distance Control pipeline and measuring system safely;
Described liquid phase pipeline comprises top liquid phase pipeline and bottom liquid phases pipeline;
Described top liquid phase pipeline comprises the first top liquid phase pipeline, the second top liquid phase pipeline, the 3rd top liquid phase pipeline; Described first liquid phase pipeline one end, top is fixedly connected with tank base, and the described first top liquid phase pipeline other end is connected by check valve with the first port of threeway; Second and third liquid phase pipeline one end, top described is connected by shutoff valve with second and third port of threeway respectively; The other end of second and third top liquid phase pipeline described is fixed handling facilities with ground and is connected;
Described bottom liquid phases pipeline comprises the first bottom liquid phases pipeline, the second bottom liquid phases pipeline, the 3rd bottom liquid phases pipeline; Described first bottom liquid phases pipeline one end is fixedly connected with tank base, and the described first bottom liquid phases pipeline other end is connected by quick action emergency valve with the first port of threeway; Second and third bottom liquid phases pipeline one end described is connected by shutoff valve with second and third port of threeway respectively, the other end of described second bottom liquid phases pipeline is connected with shutoff valve on the second top liquid phase pipeline, and the described 3rd bottom liquid phases pipeline other end is fixedly attached to the 3rd top liquid phase pipeline;
Described gas phase pipeline comprises the first gas phase pipeline, the second gas phase pipeline, the 3rd gas phase pipeline; Described first gas phase pipeline one end is fixedly connected with tank base, and the described first gas phase pipeline other end is connected by quick action emergency valve with the first port of threeway; Second and third gas phase pipeline one end described is connected by shutoff valve with second and third port of threeway respectively; The other end of second and third gas phase pipeline described is fixed handling facilities with ground and is connected;
Described pressure piping comprises the first pressure piping, the second pressure piping, the 3rd pressure piping; Described first pressure piping one end is fixedly connected with tank base, and the described first pressure piping other end is connected by quick action emergency valve with the first port of threeway; Second and third pressure piping one end described is connected by shutoff valve with second and third port of threeway respectively; The other end and the ground of second and third pressure piping described are fixed handling facilities and are connected.
4. liquefied natural gas tank car according to claim 2, is characterized in that: described tank body adopts vacuum multi-layer wound insulation double layers of tank body structure.
5. liquefied natural gas tank car according to claim 4, is characterized in that: described first sliding support assembly has been evenly arranged multiple along the circumferencial direction of tank body; Described second sliding support assembly has been evenly arranged multiple along the circumferencial direction of tank body.
6. liquefied natural gas tank car according to claim 5, is characterized in that: described first pull bar permanent seat comprises connecting element, ball link, protective case; One end of described connecting element is fixedly connected with the outer wall of interior tank body, and the other end is fixedly connected with ball link; Described protective case is sleeved on the outside of spherical seat;
The structure of described second pull bar permanent seat is identical with the structure of the first pull bar permanent seat; One end of described first pull bar is connected with ball link upper in the first pull bar permanent seat through the connecting element on the first pull bar permanent seat, and the other end of pull bar is connected with the ball link on the second pull bar permanent seat through the connecting element on the second pull bar permanent seat;
Described ball link comprises the pedestal be fixedly mounted on connecting element, the spheroid be arranged in pedestal; Described spheroid offers the mounting hole suitable with pull bar size.
7. liquefied natural gas tank car according to claim 6, is characterized in that: described base vivo wall is provided with adiabatic layer; The material of described pull bar, spheroid, connecting element all selects austenitic stainless steel.
8. liquefied natural gas tank car according to claim 7, is characterized in that: described connecting element comprises adapter plate, fixed muffle and strengthens gusset; One end and the adapter plate of described fixed muffle are connected, and interior inner tank wall or the outer tank body outer wall of the other end and low-temperature (low temperature) vessel tank body are connected; Described reinforcement gusset is arranged on the outside of fixed muffle and is circumferentially provided with multiple.
9. liquefied natural gas tank car according to claim 3, is characterized in that: described Long-distance Control pipeline realizes Long-distance Control by controlling quick action emergency valve.
10. liquefied natural gas tank car according to claim 4, is characterized in that: described in add arranging device with ground fix handling facilities connect be pass through Flange joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678764.1U CN204280362U (en) | 2014-11-13 | 2014-11-13 | A kind of liquefied natural gas tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678764.1U CN204280362U (en) | 2014-11-13 | 2014-11-13 | A kind of liquefied natural gas tank car |
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| Publication Number | Publication Date |
|---|---|
| CN204280362U true CN204280362U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420678764.1U Withdrawn - After Issue CN204280362U (en) | 2014-11-13 | 2014-11-13 | A kind of liquefied natural gas tank car |
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| CN (1) | CN204280362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386374A (en) * | 2014-11-13 | 2015-03-04 | 西安轨道交通装备有限责任公司 | Liquefied natural gas tank car |
| CN105458609A (en) * | 2015-12-28 | 2016-04-06 | 中车长江车辆有限公司 | Tank sleeving technological method of railway tank car of double-layer structure |
-
2014
- 2014-11-13 CN CN201420678764.1U patent/CN204280362U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386374A (en) * | 2014-11-13 | 2015-03-04 | 西安轨道交通装备有限责任公司 | Liquefied natural gas tank car |
| WO2016074320A1 (en) * | 2014-11-13 | 2016-05-19 | 西安轨道交通装备有限责任公司 | Liquefied natural gas railway tank car |
| CN105458609A (en) * | 2015-12-28 | 2016-04-06 | 中车长江车辆有限公司 | Tank sleeving technological method of railway tank car of double-layer structure |
| CN105458609B (en) * | 2015-12-28 | 2017-05-10 | 中车长江车辆有限公司 | Tank sleeving technological method of railway tank car of double-layer structure |
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