CN212828341U - Hoisting assembly, fuel tank and rail vehicle - Google Patents
Hoisting assembly, fuel tank and rail vehicle Download PDFInfo
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- CN212828341U CN212828341U CN202021364489.8U CN202021364489U CN212828341U CN 212828341 U CN212828341 U CN 212828341U CN 202021364489 U CN202021364489 U CN 202021364489U CN 212828341 U CN212828341 U CN 212828341U
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Abstract
The embodiment of the application provides a hoisting assembly, a fuel tank and a rail vehicle, wherein the hoisting assembly comprises at least two lifting lugs, and the first ends of the lifting lugs are used for being connected with a vehicle body; the two ends of the stretcher plate are respectively lapped at the second ends of the two lifting lugs; the first ends of the lifting legs are lapped on the stretcher plate, the lifting legs are located between the two lifting lugs, and the second ends of the lifting legs are used for being connected with equipment to be lifted. Adopt the scheme of this application embodiment, can improve the structural strength of hoist and mount subassembly for the fuel tank is difficult for droing from the automobile body.
Description
Technical Field
The application relates to rail vehicle manufacturing technology, especially relates to a hoist and mount subassembly, fuel tank and rail vehicle.
Background
The fuel tank is a key component of a fuel supply system of the rail internal combustion power locomotive, and the safety of the fuel tank directly influences the running safety of the rail vehicle. The fuel tank is generally arranged below the vehicle body and close to the engine, the fuel tank is heavy after being filled with oil, and a fire disaster is easily caused if the fuel tank falls off, so that the falling off is an important index for ensuring the safety of the fuel tank.
In the related art solution, the fuel tank is generally installed below the vehicle body by a hoist assembly. The hoisting assembly comprises a first mounting seat used for connecting a vehicle body and a second mounting seat used for connecting a fuel tank, the first mounting seat can be fixed on the vehicle body in a welding connection mode, and the second mounting seat can be fixed on the fuel tank in a welding connection mode. The first mounting seat comprises a first mounting plate, and a first through hole is formed in the first mounting plate; the second mounting seat comprises a second mounting plate, and a second through hole is formed in the second mounting plate; during hoisting, the fastening bolt sequentially penetrates through the first through hole and the second through hole and is locked by the nut, so that the fuel tank is hoisted below the vehicle body.
However, according to the scheme in the related art, only one bolt in the hoisting assembly is used as a main stress component, so that the structural strength is low, and the risk of falling or breaking of the bolt exists during use, so that the driving safety of the railway vehicle is influenced.
Disclosure of Invention
The embodiment of the application provides a hoist and mount subassembly, fuel tank and rail vehicle, and mainly used solves hoist and mount subassembly structural strength among the correlation technique and is lower, has the problem that the bolt drops or the risk of splitting.
According to a first aspect of embodiments of the present application, there is provided a hoist assembly, comprising:
the first ends of the lifting lugs are used for being connected with a vehicle body;
the two ends of the stretcher plate are respectively lapped on the second ends of the two lifting lugs;
the first ends of the lifting legs are connected to the stretcher plates in an overlapping mode, the lifting legs are located between the two lifting lugs, and the second ends of the lifting legs are used for being connected with equipment to be lifted.
Optionally, the lifting lug includes a lifting lug body and a base, and the lifting lug body is disposed on the base;
the lifting lug body comprises a first connecting plate and a second connecting plate which are connected, the first connecting plate is arranged obliquely to the second connecting plate, and the stretcher plate is arranged on one side, facing the first connecting plate, of the second connecting plate;
the base comprises a third connecting plate and a fourth connecting plate which are connected, the third connecting plate is inclined to the fourth connecting plate, the first connecting plate is vertically fixed on the third connecting plate, and the second connecting plate is vertically fixed on the fourth connecting plate.
The hoisting assembly as described above, optionally, the first connecting plate and the second connecting plate are perpendicular to each other, and the first connecting plate and the second connecting plate are integrally formed;
the third connecting plate and the fourth connecting plate are perpendicular to each other, and the third connecting plate and the fourth connecting plate are integrally formed.
Optionally, a fixing groove is formed on one side of the fourth connecting plate facing the third connecting plate, and the second connecting plate is disposed in the fixing groove.
Optionally, the first connecting plate is welded to the third connecting plate, and the second connecting plate is welded to the fourth connecting plate.
Optionally, the load-bearing plate is provided with a first through hole, the second connecting plate is provided with a second through hole, and the fastening member sequentially passes through the first through hole and the second through hole to fixedly connect the load-bearing plate and the second connecting plate.
The hoisting assembly as described above, optionally, the second through hole is a kidney-shaped hole.
The hoisting assembly as described above, optionally, two of the lifting lugs are symmetrically disposed with respect to a plane perpendicular to the spreader plate.
The hoisting assembly as described above, optionally, the hoisting leg includes a first connecting portion for connecting the stretcher board and a second connecting portion for connecting the device to be hoisted, and the first connecting portion and the second connecting portion are perpendicular to each other;
the stretcher plate is also provided with a third through hole, the first connecting part is provided with a fourth through hole, and a fastener sequentially penetrates through the third through hole and the fourth through hole to fix the first connecting part and the stretcher plate.
Optionally, the first connecting portion includes a first bottom surface and two first side surfaces disposed at two sides of the first bottom surface;
the second connecting part comprises a second bottom surface and two second side surfaces arranged on two sides of the second bottom surface, the second bottom surface is abutted against the first bottom surface and is connected with the two first side surfaces, the second side surfaces are located on one sides, deviating from the first side surfaces, of the second bottom surface, and one sides, facing the first side surfaces, of the second bottom surface are lapped on the stretcher board.
As for the hoisting assembly, optionally, the hoisting leg further includes a rib plate, the rib plate is disposed between the first connecting portion and the second connecting portion, and the rib plate is welded to the first connecting portion and the second connecting portion.
As above, optionally, the first connecting portion and the second connecting portion are both channel steel.
According to a second aspect of the embodiment of the application, a fuel tank is provided, which comprises a fuel tank body, wherein at least one hoisting assembly is arranged on the fuel tank body.
According to the fuel tank, optionally, the fuel tank body is provided with four hoisting assemblies, and the four hoisting assemblies are arranged on two opposite side faces of the fuel tank body in a group.
According to a third aspect of the embodiment of the application, a rail vehicle is provided, which comprises a vehicle body and the fuel tank, wherein the fuel tank is fixed on the vehicle body through the hoisting assembly.
By adopting the hoisting assembly, the fuel tank and the rail vehicle according to the embodiment of the application, the hoisting assembly comprises at least two lifting lugs, and the first ends of the lifting lugs are used for being connected with a vehicle body; the two ends of the stretcher plate are respectively lapped at the second ends of the two lifting lugs; the first ends of the lifting legs are lapped on the stretcher plate, the lifting legs are located between the two lifting lugs, and the second ends of the lifting legs are used for being connected with equipment to be lifted. According to the stretcher, the stretcher plate is lapped on the two lifting lugs, so that the contact area between the stretcher plate and the lifting lugs is increased, and the stretcher plate is not easy to fall off from the lifting lugs; the hanging legs are connected with the stretcher plates in an overlapping mode, so that the contact area between the hanging legs and the stretcher plates is increased, and the hanging legs and the stretcher plates are not prone to falling off. The embodiment of the application improves the structural strength of the hoisting assembly, so that the fuel tank is not easy to fall off from the vehicle body.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a front view of a hoist assembly provided in accordance with an embodiment of the present application;
fig. 2 is a schematic left side view of a hoist assembly according to an embodiment of the present disclosure;
figure 3 illustrates a simplified top view of a hoist assembly according to an embodiment of the present application;
fig. 4 is a front view schematically illustrating a lifting lug according to an embodiment of the present disclosure;
fig. 5 is a schematic left-side view of a lifting lug provided in an embodiment of the present application;
FIG. 6 is a schematic diagram illustrating a top view of a shackle provided by an embodiment of the present application;
fig. 7 is a schematic view of a stretcher provided in an embodiment of the present application;
FIG. 8 is a front view of a boom provided in accordance with an embodiment of the present application;
FIG. 9 is a simplified left side view of a hanger provided in accordance with an embodiment of the present application;
FIG. 10 is a diagrammatic top view of a drop leg provided in accordance with an embodiment of the present application;
FIG. 11 is a schematic front view of a fuel tank according to an embodiment of the present application;
FIG. 12 is a schematic left side view of a fuel tank according to an embodiment of the present application;
FIG. 13 is a schematic top view of a fuel tank according to an embodiment of the present application.
Reference numerals:
1-a fuel tank;
10-hoisting the assembly; 20-a fuel tank body;
100-lifting lugs; 110-lug body; 111-a first connection plate; 112-a second connecting plate; 1121 — a second through hole; 120-a base; 121-a third connecting plate; 122-a fourth connecting plate; 123-fixed slot;
200-stretcher board; 201-a first via; 202-a second via;
300-hanging legs; 310-a first connection; 3101-a fourth via; 311-a first bottom surface; 312-a first side; 320-a second connection; 321-a second bottom surface; 322-a second side; 330-rib plate.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
FIG. 1 is a front view of a hoist assembly provided in accordance with an embodiment of the present application; fig. 2 is a schematic left side view of a hoist assembly according to an embodiment of the present disclosure; figure 3 illustrates a simplified top view of a hoist assembly according to an embodiment of the present application; please refer to fig. 1-3.
The present embodiment provides a hoist assembly 10, comprising:
at least two lifting lugs 100, wherein the first ends of the lifting lugs 100 are used for being connected with a vehicle body. It is clear to those skilled in the art that the specific number of the lifting lugs 100 can be selected according to the requirement, for example, the number of the lifting lugs 100 can be 2, 3 or 4, and the embodiment takes 2 lifting lugs 100 as an example for description.
The two ends of the stretcher 200 are respectively connected to the second ends of the two lifting lugs 100. The stretcher board 200 is in a flat plate shape, two ends of the stretcher board are respectively lapped on the lifting lugs 100, and the connection mode between the stretcher board 200 and the lifting lugs 100 can be selected according to requirements.
And the first end of the hanging leg 300 is lapped on the stretcher board 200, the hanging leg 300 is positioned between the two lifting eyes 100, and the second end of the hanging leg 300 is used for connecting with equipment to be hoisted (such as a fuel tank, a water tank and the like). In this embodiment, the hanging leg 300 is located between the two lifting lugs 100 and is overlapped on the stretcher board 200, and the connection mode between the hanging leg 300 and the stretcher board 200 can be selected according to the requirement.
In the embodiment, the stretcher board 200 is overlapped on the two lifting lugs 100, so that the contact area between the stretcher board 200 and the lifting lugs 100 is increased, and the stretcher board 200 is not easy to fall off from the lifting lugs 100; the hanging leg 300 is lapped on the stretcher board 200, so that the contact area between the hanging leg 300 and the stretcher board 200 is increased, and the hanging leg 300 and the stretcher board 200 are not easy to fall off. Compare the scheme among the relevant art, this embodiment improves single bolted connection into lap joint's mode, and supports the load carrying plate 200 through two at least lugs 100 to increased the area of contact of junction, reduced the atress condition in the unit area, also this embodiment has improved the structural strength of hoist and mount subassembly 10, thereby makes the fuel tank be difficult for coming off from the automobile body.
Fig. 4 is a front view schematically illustrating a lifting lug according to an embodiment of the present disclosure; fig. 5 is a schematic left-side view of a lifting lug provided in an embodiment of the present application; FIG. 6 is a schematic diagram illustrating a top view of a shackle provided by an embodiment of the present application; please continue to refer to fig. 1-6.
In an alternative embodiment, the shackle 100 includes a shackle body 110 and a base 120, the shackle body 110 being disposed on the base 120.
The shackle body 110 includes a first connecting plate 111 and a second connecting plate 112 connected to each other, the first connecting plate 111 is disposed obliquely to the second connecting plate 112, and the stretcher 200 is disposed on a side of the second connecting plate 112 facing the first connecting plate 111.
The base 120 includes a third connecting plate 121 and a fourth connecting plate 122 connected to each other, the third connecting plate 121 is disposed obliquely to the fourth connecting plate 122, the first connecting plate 111 is vertically fixed to the third connecting plate 121, and the second connecting plate 112 is vertically fixed to the fourth connecting plate 122.
Alternatively, the first connecting plate 111 and the second connecting plate 112 are perpendicular to each other, and the first connecting plate 111 and the second connecting plate 112 may be formed in an integral manner; the third connecting plate 121 and the fourth connecting plate 122 are perpendicular to each other, and the third connecting plate 111 and the fourth connecting plate 122 can also be formed by integral molding.
Optionally, one side of the fourth connecting plate 122 facing the third connecting plate 121 is provided with a fixing groove 123, the second connecting plate 112 is disposed in the fixing groove 123, and the fixing groove 123 may limit the second connecting plate 112, so as to prevent the second connecting plate 112 from falling off.
In the present embodiment, the first connection plate 111 and the third connection plate 121 may be fixed by welding, and the second connection plate 112 and the fourth connection plate 122 may be fixed by welding. Of course, it is clear to those skilled in the art that other possible connection manners, such as clamping, bonding, etc., may be adopted for fixing, and this embodiment is not limited further.
Fig. 7 is a schematic view of a stretcher provided in an embodiment of the present application; please continue to refer to fig. 1-7. In this embodiment, the stretcher board 200 is provided with a first through hole 201, the second connecting plate 112 is provided with a second through hole 1121, and the fastening member sequentially penetrates through the first through hole 201 and the second through hole 1121 to fixedly connect the stretcher board 200 and the second connecting plate 112. The fastener can be selected from such parts as bolt, nut, etc.
Further, the second through hole 1121 of the present embodiment may be a waist-shaped hole, so as to facilitate adjusting the connection position of the second connection plate 112 and the stretcher plate 200.
In the present embodiment, the two lifting lugs 100 are symmetrically disposed with respect to a plane perpendicular to the stretcher board 200.
FIG. 8 is a front view of a boom provided in accordance with an embodiment of the present application; FIG. 9 is a simplified left side view of a hanger provided in accordance with an embodiment of the present application; FIG. 10 is a diagrammatic top view of a drop leg provided in accordance with an embodiment of the present application; please continue to refer to fig. 1-10.
In an optional embodiment, the hanging leg 300 of the embodiment includes a first connecting portion 310 for connecting the stretcher board 200 and a second connecting portion 320 for connecting the equipment to be hoisted, the first connecting portion 310 and the second connecting portion 320 are perpendicular to each other, and the first connecting portion 310 and the second connecting portion 320 can be fixed by welding.
The stretcher board 200 is further provided with a third through hole 202, the first connecting portion 310 is provided with a fourth through hole 3101, and the fastening member passes through the third through hole 202 and the fourth through hole 3101 in sequence to fix the first connecting portion 310 and the stretcher board 200. The fastener can be selected from such parts as bolt, nut, etc.
Optionally, the first connection portion 310 includes a first bottom surface 311 and two first side surfaces 312 disposed at both sides of the first bottom surface 311.
The second connection portion 320 includes a second bottom surface 321 and two second side surfaces 322 disposed at both sides of the second bottom surface 321. The second bottom 321 abuts against the first bottom 311 and connects the two first side surfaces 312, the second side surface 322 is located on a side of the second bottom 321 away from the first side surface 312, and a side of the second bottom 321 facing the first side surface 312 is overlapped on the stretcher 200.
Optionally, the hanging leg 300 further includes a rib plate 330, the rib plate 330 is disposed between the first connecting portion 310 and the second connecting portion 320, and the rib plate 330 is welded to the first connecting portion 310 and the second connecting portion 320.
Optionally, the first connecting portion 310 and the second connecting portion 320 of the present embodiment may be both channel steels.
As can be seen from the above description, the lifting assembly 10 of the present embodiment may be connected to the vehicle body through two lifting eyes 100, and two ends of the stretcher board 200 may be overlapped on one end of the two lifting eyes 100 away from the vehicle body, and the connection and the fixation are achieved through fasteners such as bolts and nuts. The hanging legs 300 can be connected with equipment to be hoisted, one ends of the hanging legs 300 departing from the equipment to be hoisted can be lapped at the middle part of the stretcher board 200, and the hanging legs are fixedly connected through fasteners such as bolts and nuts. In the embodiment, the contact area between the stretcher board 200 and the lifting lug 100 is increased, so that the stretcher board 200 is not easy to fall off from the lifting lug 100; similarly, the contact area between the hanging leg 300 and the stretcher board 200 is increased, so that the hanging leg 300 and the stretcher board 200 are not easily separated. Compare the scheme among the relevant art, this embodiment improves single bolted connection into lap joint's mode, and supports the load carrying plate 200 through two at least lugs 100 to increased the area of contact of junction, reduced the atress condition in the unit area, also this embodiment has improved the structural strength of hoist and mount subassembly 10, thereby makes the fuel tank be difficult for coming off from the automobile body.
Example two
FIG. 11 is a schematic front view of a fuel tank according to an embodiment of the present application; FIG. 12 is a schematic left side view of a fuel tank according to an embodiment of the present application; FIG. 13 is a schematic top view of a fuel tank according to an embodiment of the present application; please refer to fig. 11-13.
The embodiment provides a fuel tank 1, which comprises a fuel tank body 20, wherein at least one hoisting assembly 10 is arranged on the fuel tank body 20.
Specifically, the fuel tank body 20 is substantially rectangular, four hoisting assemblies 10 are arranged on the fuel tank body 20, and the four hoisting assemblies 10 are arranged on two opposite side surfaces of the fuel tank body 20 in a group of two by two. The hoisting assembly 10 and the fuel tank body 20 can be fixed by welding connection and the like.
The fuel tank 1 of the present embodiment adopts the lifting assembly 10 of the first embodiment, so that the fuel tank is not easy to fall off.
EXAMPLE III
The embodiment provides a rail vehicle, including the automobile body and as above embodiment two the fuel tank, the fuel tank passes through hoist and mount subassembly to be fixed on the automobile body.
Specifically, the lifting lug on the fuel tank accessible hoist and mount subassembly welds on the automobile body to it is fixed to realize connecting. The rail vehicle of this embodiment adopts the fuel tank of above-mentioned embodiment two, consequently the fuel tank is difficult for droing from the automobile body in the driving process, has improved rail vehicle's driving safety.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (15)
1. A hoist assembly, characterized by, includes:
the first ends of the lifting lugs are used for being connected with a vehicle body;
the two ends of the stretcher plate are respectively lapped on the second ends of the two lifting lugs;
the first ends of the lifting legs are connected to the stretcher plates in an overlapping mode, the lifting legs are located between the two lifting lugs, and the second ends of the lifting legs are used for being connected with equipment to be lifted.
2. The hoist assembly of claim 1, wherein the shackle comprises a shackle body and a base, the shackle body being disposed on the base;
the lifting lug body comprises a first connecting plate and a second connecting plate which are connected, the first connecting plate is arranged obliquely to the second connecting plate, and the stretcher plate is arranged on one side, facing the first connecting plate, of the second connecting plate;
the base comprises a third connecting plate and a fourth connecting plate which are connected, the third connecting plate is inclined to the fourth connecting plate, the first connecting plate is vertically fixed on the third connecting plate, and the second connecting plate is vertically fixed on the fourth connecting plate.
3. The hoist assembly of claim 2, wherein the first and second connecting plates are perpendicular to each other, the first and second connecting plates being integrally formed;
the third connecting plate and the fourth connecting plate are perpendicular to each other, and the third connecting plate and the fourth connecting plate are integrally formed.
4. Hoisting assembly according to claim 2, wherein the fourth connecting plate is provided with a fixing groove on a side facing the third connecting plate, the second connecting plate being arranged in the fixing groove.
5. The hoist assembly of claim 2, wherein the first connection plate is welded to the third connection plate and the second connection plate is welded to the fourth connection plate.
6. The hoisting assembly of claim 2, wherein the stretcher plate is provided with a first through hole, the second connecting plate is provided with a second through hole, and a fastener passes through the first through hole and the second through hole in sequence to fixedly connect the stretcher plate and the second connecting plate.
7. The hoist assembly of claim 6, wherein the second through-hole is a kidney-shaped hole.
8. The hoist assembly of claim 6, wherein the two lifting lugs are symmetrically disposed with respect to a plane perpendicular to the spreader plate.
9. The hoisting assembly of claim 1, wherein the hoisting leg comprises a first connecting portion for connecting the spreader plate and a second connecting portion for connecting the equipment to be hoisted, the first connecting portion and the second connecting portion being perpendicular to each other;
the stretcher plate is also provided with a third through hole, the first connecting part is provided with a fourth through hole, and a fastener sequentially penetrates through the third through hole and the fourth through hole to fix the first connecting part and the stretcher plate.
10. The hoist assembly of claim 9, wherein the first connection portion includes a first bottom surface and two first side surfaces disposed on either side of the first bottom surface;
the second connecting part comprises a second bottom surface and two second side surfaces arranged on two sides of the second bottom surface, the second bottom surface is abutted against the first bottom surface and is connected with the two first side surfaces, the second side surfaces are located on one sides, deviating from the first side surfaces, of the second bottom surface, and one sides, facing the first side surfaces, of the second bottom surface are lapped on the stretcher board.
11. The hoisting assembly of claim 10, wherein the lifting leg further comprises a rib plate disposed between the first and second connection portions, the rib plate being welded to the first and second connection portions.
12. The hoist assembly of claim 11 wherein the first and second connection portions are channel steel.
13. A fuel tank, characterized in that it comprises a tank body, on which there is at least one lifting assembly according to any one of claims 1 to 12.
14. The fuel tank of claim 13, wherein four lifting assemblies are arranged on the fuel tank body, and the four lifting assemblies are arranged on two opposite side surfaces of the fuel tank body in a group of two lifting assemblies.
15. A rail vehicle, comprising a vehicle body and a fuel tank as claimed in claim 13 or 14, which is fixed to the vehicle body by means of the lifting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021364489.8U CN212828341U (en) | 2020-07-13 | 2020-07-13 | Hoisting assembly, fuel tank and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021364489.8U CN212828341U (en) | 2020-07-13 | 2020-07-13 | Hoisting assembly, fuel tank and rail vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN212828341U true CN212828341U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021364489.8U Active CN212828341U (en) | 2020-07-13 | 2020-07-13 | Hoisting assembly, fuel tank and rail vehicle |
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