CN211952246U - Tank container frame special for LNG and tank container - Google Patents
Tank container frame special for LNG and tank container Download PDFInfo
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- CN211952246U CN211952246U CN201922368336.4U CN201922368336U CN211952246U CN 211952246 U CN211952246 U CN 211952246U CN 201922368336 U CN201922368336 U CN 201922368336U CN 211952246 U CN211952246 U CN 211952246U
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Abstract
The utility model discloses a special tank container frame of LNG and a tank container, the special tank container frame of LNG comprises two opposite end frames, and the end frames comprise an upper end beam, a lower end beam and a rectangular frame enclosed by two corner posts; a longitudinal beam is arranged on the lower end beam, and a bottom inclined strut is connected between the longitudinal beam and the corner piece; four side beams which are parallel to each other and are perpendicular to the plane of the end frame are connected between the two end frames, and the four side beams are respectively connected to the four corners of the end frames; a first top side support and a second top side support which are welded with the top side beam are arranged at the trisection positions of the top side beam; and the trisection position of the bottom side beam is provided with a first bottom side support and a second bottom side support which are welded with the bottom side beam. The utility model discloses can satisfy and play the safe effect of protection tank case structure in tank case side, self structure safety and stability is reliable again.
Description
Technical Field
The utility model belongs to the technical field of the commodity circulation transportation, concretely relates to special tank container frame of LNG and tank container.
Background
At present, the transportation mode of natural gas is mainly pipeline transportation, and the cost is higher relatively, and the transportation of LNG (liquefied natural gas) has obvious advantage in the aspect of trans-oceanic and trans-regional transportation, and shipping LNG not only is with lower costs, can effectually avoid the risk that natural gas pipe laying caused moreover. And the natural gas is purified and liquefied before transportation, so that harmful substances can be effectively reduced, and the method is more beneficial to environmental protection. Therefore, LNG tankers integrating railway, marine and road intermodal transportation have become a necessary trend in the natural gas transportation industry. As shown in figure 1, the existing LNG tank is a frame structure which is composed of an end frame (A), a support (B), a bottom inclined strut (C), a bottom longitudinal beam (D), a corner piece (E), a skirt (F) and the like, and the external dimension of the frame structure meets the requirements of ISO688 series 1 container classification, dimension and rated quality 1AA type containers. The main structure is shown in figure 1. For the frame structure of the existing 40-foot LNG tank container (hereinafter referred to as tank box), the tank box is long in longitudinal length, and the tank body part cannot be comprehensively protected by adopting a frame structure without side beams, so that the side beams need to be added to the frame structure to protect the whole life cycle operation safety of the tank box. Since the tank box is long in the longitudinal direction, the side member itself is poor in rigidity due to the addition of the side member. The lowest natural frequency calculated by the ANSYS mode is low, and the lowest natural frequency is easy to resonate with the vibration frequency of the railway bogie, so that a part of the structure is fatigued and damaged. Therefore, in order to meet the use requirement of the tank box, the side beam is required to be ensured to have certain rigidity without resonance with a vehicle body on the basis of increasing the side beam.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a special tank container frame of LNG and tank container can satisfy the effect of playing protection tank structure safety to the tank side, self structure safety and stability is reliable again.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the special tank container frame for LNG comprises two opposite end frames, wherein each end frame comprises two parallel and opposite transverse end upper beams and end lower beams, two parallel and opposite vertical corner columns and corner fittings, wherein the two parallel and opposite vertical corner columns are arranged between the end upper beams and the end lower beams; the two ends of the end upper beam are connected with the upper ends of the two corner columns through corner pieces, and the two ends of the end lower beam are connected with the lower ends of the two corner columns through corner pieces, so that the end upper beam, the end lower beam and the two corner columns are enclosed into a rectangular frame; two longitudinal beams which are parallel to each other and are perpendicular to the end lower beam are arranged on the end lower beam, and a bottom inclined strut is connected between each longitudinal beam and the corner piece;
four side beams which are parallel to each other and are perpendicular to the plane of the end frame are connected between the two end frames, and the four side beams are respectively connected to the four corners of the end frames; each side beam is formed by welding and splicing two short beams, the two short beams are in butt joint in a welding mode, a welding line forms an angle of 45 degrees with the horizontal direction, the two side beams positioned above are top side beams, and the two side beams positioned below are bottom side beams;
a first top side support and a second top side support which are welded with the top side beam are arranged at the trisection positions of the top side beam; and the trisection position of the bottom side beam is provided with a first bottom side support and a second bottom side support which are welded with the bottom side beam.
The utility model discloses still include following technical characteristic:
specifically, the first top side support forms an included angle of 3.25 degrees with the horizontal direction, and the second top side support forms an included angle of 5 degrees with the vertical direction;
the first bottom side support forms an included angle of 12.5 degrees with the horizontal direction, and the second bottom side support forms an included angle of 10 degrees with the vertical direction.
Specifically, the corner piece positioned above is an upper corner piece, and the corner piece positioned below is a lower corner piece;
the side beams are rectangular pipes with the diameter of 120 multiplied by 80 multiplied by 4mm, the edge with the diameter of 120mm of the top side beam is in the vertical direction, and the end part of the top side beam is welded with the upper corner fitting and the corner post; the 80mm side of the bottom side beam is in the vertical direction, and the end of the bottom side beam is welded with the lower corner fitting and the bottom diagonal brace.
Specifically, the end part of the top side beam is 15mm away from the upper plane of the upper corner fitting and 6mm away from the side surface of the upper corner fitting; the bottom side beam end is 25mm from the lower corner piece lower plane.
Specifically, the first top side support, the second top side support, the first bottom side support and the second bottom side support are rectangular tubes with the size of 100 × 50 × 4 mm.
Specifically, the side wall of the first top side support where the 100mm side is located is perpendicular to the extending direction of the side beam; the side wall of the 50mm side of the second top side support is vertical to the extending direction of the side beam;
the side wall of the 50mm side of the first bottom side support is vertical to the extending direction of the side beam; the side wall of the second bottom side support 100mm side is vertical to the extending direction of the side beam.
Specifically, four inclined struts are arranged at four corners of the end frame, and two ends of each inclined strut are welded to the upper portion of the corner column and the upper end beam respectively or welded to the lower portion of the corner column and the lower end beam respectively.
A tank container comprises a tank body, wherein the tank body is arranged in a frame of the LNG special tank container;
the tank body is welded with the skirt base through the end socket, the lower part of the tank body is welded with the longitudinal beam through the backing plate, and the skirt base is welded with the end frame and the four inclined struts to realize connection with the end frame;
the ends of the first top side support, the second top side support, the first bottom side support and the second bottom side support are all welded on the tank shell base plate.
Compared with the prior art, the utility model, following technological effect has:
(I) the utility model discloses in, have top side roof beam and bottom side roof beam tank container frame construction and can play comparatively comprehensive protection to jar body part.
(II) the first top side support, the second top side support, the first bottom side support and the second bottom side support are arranged, so that the lowest natural frequency of the tank container frame can be effectively improved, the self-vibration frequency of the tank container is prevented from being different from the vibration frequency of snaking, nodding and the like of a bogie under various load conditions, and the resonance phenomenon is prevented from being generated in the whole application speed range.
(III) the structure is simple in form, good in technological performance and small in influence on stress distribution of the outer tank body under the complex working condition.
Drawings
Fig. 1 shows a prior art LNG tank, in which (a) is a front view, (b) is a left view, and (c) is a bottom view.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of fig. 2.
Fig. 4 is a bottom view of fig. 2.
FIG. 5 is a schematic side beam weld.
The meaning of the individual reference symbols in the figures is: 1-end frame, 2-longitudinal beam, 3-bottom diagonal brace, 4-side beam, 5-first top side support, 6-second top side support, 7-first bottom side support, 8-second bottom side support, 9-tank body, 10-skirt base;
11-end upper beam, 12-end lower beam, 13-corner column, 14-corner fitting and 15-diagonal brace;
41-top side beam and 42-bottom side beam.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
Example 1:
following the above technical solution, as shown in fig. 2 to 5, the present embodiment provides a LNG-dedicated tank container frame, which includes two opposite end frames 1, wherein the end frame 1 includes two parallel opposite transverse end upper beams 11 and end lower beams 12, two parallel opposite vertical corner posts 13 disposed between the end upper beams 11 and the end lower beams 12, and corner fittings 14; the structure is characterized in that two ends of the end upper beam 11 are connected with the upper ends of the two corner columns 13 through corner pieces 14, two ends of the end lower beam 12 are connected with the lower ends of the two corner columns 13 through corner pieces 14, and the end upper beam 11, the end lower beam 12 and the two corner columns 13 are surrounded into a rectangular frame; two longitudinal beams 2 which are parallel to each other and are perpendicular to the end underbeam 12 are arranged on the end underbeam 12, and a bottom inclined strut 3 is connected between the longitudinal beams 2 and the corner piece 14; four side beams 4 which are parallel to each other and are perpendicular to the plane of the end frame 1 are connected between the two end frames 1, and the four side beams 4 are respectively connected to the four corners of the end frames 1; each side beam 4 is formed by welding and splicing two short beams, the two short beams are in butt joint in a welding mode, in order to avoid that a splicing welding seam bears large force in the gravity direction, the welding seam forms an angle of 45 degrees with the horizontal direction, the two side beams 4 positioned above are top side beams 41, and the two side beams 4 positioned below are bottom side beams 42; a first top side support 5 and a second top side support 6 welded with the top side beam 41 are arranged at the trisection position of the top side beam 41; the trisection position of the bottom side member 42 is provided with a first bottom side support 7 and a second bottom side support 8 welded to the bottom side member 42. Since the top side beam 41 and the bottom side beam 42 have long length, insufficient rigidity and low lowest natural frequency, and are easy to resonate with a bogie during transportation, thereby causing fatigue failure in a partial area, the first top side support 5, the second top side support 6, the first bottom side support 7 and the second bottom side support 8 of rectangular pipes each having a size of 100 × 50 × 4mm are added to improve the lowest natural frequency of the top side beam 41 and the bottom side beam 42, and ensure transportation safety.
The first top side support 5 forms an included angle of 3.25 degrees with the horizontal direction, and the second top side support 6 forms an included angle of 5 degrees with the vertical direction; the first bottom side support 7 forms an angle of 12.5 degrees with the horizontal direction and the second bottom side support 8 forms an angle of 10 degrees with the vertical direction. In case of accidental impact, in order to enable the added first top side support 5, second top side support 6, first bottom side support 7 and second bottom side support 8 to have smaller influence on the tank body 9, the first top side support 5 forms an included angle of 3.25 degrees with the horizontal direction, and the second top side support 6 forms an included angle of 5 degrees with the vertical direction; the first bottom side support 7 and the horizontal direction form an included angle of 12.5 degrees, the second bottom side support 8 and the vertical direction form an included angle of 10 degrees, and the cushion plate at the joint of the shell and the support is subjected to smaller stress under the railway transportation working condition by the mounting mode through ANSYS analysis and calculation.
The corner fittings 14 positioned above are upper corner fittings, and the corner fittings 14 positioned below are lower corner fittings; the side beams 4 are rectangular pipes with the diameter of 120 multiplied by 80 multiplied by 4mm, the edge with the diameter of 120mm of the top side beam 41 is in the vertical direction, and the end part of the top side beam 41 is welded with the upper corner fittings and the corner posts 13; the 80mm sides of the bottom side beams 42 are in the vertical direction, and the ends of the bottom side beams 42 are welded to the lower corner fittings and the bottom sprags 3.
The end of the top side beam 41 is 15mm away from the upper plane of the upper corner fitting and 6mm away from the side surface of the upper corner fitting; the ends of the bottom side beams 42 are spaced 25mm from the lower corner fitting lower plane.
The first 5, second 6, first 7 and second 8 topside supports are rectangular tubes of 100 x 50 x 4mm size.
The side wall of the first top side support 5 where the 100mm side is located is perpendicular to the extending direction of the side beam 4; the side wall of the second top side support 6 where the 50mm side is located is perpendicular to the extending direction of the side beam 4; the side wall of the first bottom side support 7 where the 50mm side is located is perpendicular to the extending direction of the side beam 4; the side wall of the second underside support 100mm is perpendicular to the direction of extension of the side member 4.
Four inclined struts 15 are arranged at four corners of the end frame 1, and two ends of each inclined strut 15 are respectively welded on the upper part of the corner post 13 and the upper end beam 11, or respectively welded on the lower part of the corner post 13 and the lower end beam 12. In the present embodiment, the included angles of the inclined strut 15 and the connected end upper beam 11 and the connected corner post 13 are both 45 °, and the included angles of the inclined strut 15 and the connected end lower beam 12 and the connected corner post 13 are both 45 °.
Example 2:
according to the technical scheme, the embodiment provides a tank container, which comprises a tank body 9, wherein the tank body 9 is arranged in the frame of the LNG special tank container in the embodiment 1; the tank body 9 is welded with the skirt bases 10 through the end sockets, the lower portion of the tank body 9 is welded with the longitudinal beam 2 through the base plate, and the skirt bases 10 are welded with the end frames 1 and the four inclined struts 15 to achieve connection with the end frames 1; the ends of the first top support 5, the second top support 6, the first bottom support 7 and the second bottom support 8 are welded to the shell liner plate of the tank 9. More specifically, a support is provided below the tank 9.
Claims (8)
1. The LNG special tank container frame comprises two opposite end frames (1), wherein each end frame (1) comprises two parallel and opposite transverse upper end beams (11) and lower end beams (12), two parallel and opposite vertical corner posts (13) and corner pieces (14) which are arranged between the upper end beams (11) and the lower end beams (12); the structure is characterized in that two ends of the end upper beam (11) are connected with the upper ends of the two corner columns (13) through corner pieces (14), and two ends of the end lower beam (12) are connected with the lower ends of the two corner columns (13) through corner pieces (14); two longitudinal beams (2) which are parallel to each other and are perpendicular to the end underbeam (12) are arranged on the end underbeam (12), and a bottom inclined strut (3) is connected between each longitudinal beam (2) and the corner piece (14);
four side beams (4) which are parallel to each other and are perpendicular to the plane of the end frame (1) are connected between the two end frames (1), and the four side beams (4) are respectively connected to the four corners of the end frames (1); each side beam (4) is formed by welding and splicing two short beams, the two short beams are in butt joint in a welding mode, a welding line forms an angle of 45 degrees with the horizontal direction, the two side beams (4) positioned above are top side beams (41), and the two side beams (4) positioned below are bottom side beams (42);
a first top side support (5) and a second top side support (6) welded with the top side beam (41) are arranged at trisection positions of the top side beam (41); and a first bottom side support (7) and a second bottom side support (8) which are welded with the bottom side beam (42) are arranged at the trisection position of the bottom side beam (42).
2. The LNG specific tank container frame according to claim 1, characterized in that the first topside support (5) is at an angle of 3.25 ° to the horizontal and the second topside support (6) is at an angle of 5 ° to the vertical;
the first bottom side support (7) forms an included angle of 12.5 degrees with the horizontal direction, and the second bottom side support (8) forms an included angle of 10 degrees with the vertical direction.
3. The LNG specific tank container frame according to claim 1, wherein the upper corner fitting (14) is an upper corner fitting, and the lower corner fitting (14) is a lower corner fitting;
the side beams (4) are rectangular pipes with the diameter of 120 multiplied by 80 multiplied by 4mm, the edges with the diameter of 120mm of the top side beams (41) are in the vertical direction, and the end parts of the top side beams (41) are welded with the upper corner fittings and the corner posts (13); the 80mm side of the bottom side beam (42) is in the vertical direction, and the end part of the bottom side beam (42) is welded with the lower corner piece and the bottom inclined strut (3).
4. The LNG specialized tank container frame of claim 3, characterized in that the top side beams (41) ends are 15mm from the upper plane of the upper corner fitting, 6mm from the sides of the upper corner fitting; the end of the bottom side beam (42) is 25mm away from the lower plane of the lower corner fitting.
5. The LNG specific tank container frame according to claim 1, wherein the first topside support (5), the second topside support (6), the first underside support (7) and the second underside support (8) are rectangular tubes each having a size of 100 x 50 x 4 mm.
6. The LNG dedicated tank container frame as claimed in claim 5, wherein the first top side support (5) has a sidewall where a 100mm side is located perpendicular to the extending direction of the side beams (4); the side wall of the 50mm side of the second top side support (6) is vertical to the extending direction of the side beam (4);
the side wall of the 50mm side of the first bottom side support (7) is vertical to the extending direction of the side beam (4); the side wall of the 100mm side of the second bottom side support (8) is vertical to the extending direction of the side beam (4).
7. The LNG dedicated tank container frame according to claim 1, wherein four diagonal braces (15) are provided at four corners of the end frame (1), and both ends of the diagonal braces (15) are welded to the upper portion of the corner post (13) and the upper end girder (11), respectively, or welded to the lower portion of the corner post (13) and the lower end girder (12), respectively.
8. A tank container comprising a tank body (9), characterized in that the tank body (9) is placed in the LNG specific tank container frame of any one of claims 1 to 7;
the tank body (9) is welded with the skirt base (10) through the end enclosure, the lower part of the tank body (9) is welded with the longitudinal beam (2) through the base plate, and the skirt base (10) is welded with the end frame (1) and the four inclined struts (15) to realize connection with the end frame (1);
the ends of the first top side support (5), the second top side support (6), the first bottom side support (7) and the second bottom side support (8) are welded on a shell base plate of the tank body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922368336.4U CN211952246U (en) | 2019-12-25 | 2019-12-25 | Tank container frame special for LNG and tank container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922368336.4U CN211952246U (en) | 2019-12-25 | 2019-12-25 | Tank container frame special for LNG and tank container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211952246U true CN211952246U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922368336.4U Active CN211952246U (en) | 2019-12-25 | 2019-12-25 | Tank container frame special for LNG and tank container |
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| Country | Link |
|---|---|
| CN (1) | CN211952246U (en) |
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- 2019-12-25 CN CN201922368336.4U patent/CN211952246U/en active Active
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