Front and back double-drive molten iron transportation rail car

Abstract

The utility model provides a front and back double-drive molten iron transportation rail car which comprises a car body. The brake assembly is arranged on the vehicle body and used for preventing the vehicle body from moving; the driving assembly is connected with the brake assembly, the driving assembly comprises a first driving part and a second driving part, the first driving part and the second driving part are both arranged on the vehicle body, the first driving part and the second driving part are arranged on the vehicle body at intervals in the length direction of the vehicle body, and the first driving part and the second driving part are both in driving connection with the vehicle body; the vehicle body is driven to move through the first driving part or the second driving part, and a redundant power system is formed through the integrated double-drive design of the vehicle body, the driving assembly and the brake assembly; according to the structure, when the driving system on one side breaks down, the driving assembly on the other side moves to a designated position to be overhauled.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rail car technical field, concretely relates to a front and back double drive molten iron transport rail car. BACKGROUND

[0002] At present, the traditional molten iron transport rail car is mainly used for safely and efficiently transporting high-temperature molten iron in the industrial environment such as a steel plant. However, such vehicles have significant limitations because only one side of the vehicle body is provided with a driving system (such as a motor or a gear box), and once the driving system fails, the vehicle cannot be moved to the designated location for maintenance.

[0003] Therefore, the prior art needs to be further developed. SUMMARY

[0004] The utility model discloses a front and back double drive molten iron transport rail car to overcome the above technical insufficiency, and solve the technical problem that the molten iron transport rail car cannot be moved to the designated location for maintenance once the driving system fails in the related art.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme: a front and back double drive molten iron transport rail car is provided, which comprises: a vehicle body; a brake assembly, which is arranged on the vehicle body and is used for preventing the vehicle body from moving; a driving assembly, which is connected with the brake assembly and comprises a first driving part and a second driving part, both of which are arranged on the vehicle body and are arranged on the vehicle body along the length direction of the vehicle body, and both of which are drivingly connected with the vehicle body; so that the vehicle body is driven to move by the first driving part or the second driving part.

[0006] Further, the driving assembly comprises: a first driving member, which is mounted on the vehicle body; a first universal coupling, which is arranged along the height direction and is spaced apart from the first driving member, is drivingly connected with the wheels on the opposite sides of the vehicle body and is close to each other, and the output end of the first driving member is drivingly connected with the first universal coupling, so as to constitute the first driving part; a second driving member, which is mounted on the vehicle body and is arranged along the length direction of the vehicle body and is spaced apart from the first driving member; and a second universal coupling, which is arranged along the height direction and is spaced apart from the second driving member, is drivingly connected with the wheels on the other opposite sides of the vehicle body and is close to each other, and the output end of the second driving member is drivingly connected with the second universal coupling, so as to constitute the second driving part.

[0007] Further, the brake assembly comprises: a first brake clamp connected with the output end of the first driving member, the first brake clamp being used to prevent the inertial rotation of the output end of the first driving member when the first driving member is powered off; a third driving member mounted on the vehicle body, the third driving member being arranged at intervals with the first driving member along the length direction of the vehicle body, the output end of the third driving member being drivingly connected with the first brake clamp, the third driving member being used to drive the first brake clamp to move so as to brake the output end of the first driving member.

[0008] Further, the brake assembly comprises: a second brake clamp connected with the output end of the second driving member, the second brake clamp being used to prevent the inertial rotation of the output end of the second driving member when the second driving member is powered off; a fourth driving member mounted on the vehicle body, the fourth driving member being arranged at intervals with the second driving member along the length direction of the vehicle body, the output end of the fourth driving member being drivingly connected with the second brake clamp, the fourth driving member being used to drive the second brake clamp to move so as to brake the output end of the second driving member.

[0009] Further, the front-rear double-driving molten iron transport track vehicle further comprises: a tank body placed on the vehicle body; a molten iron tank cover movably arranged relative to the tank body, the molten iron tank cover being used to block or avoid the tank opening of the tank body; and a molten iron tank cover opening and closing assembly movably arranged on the vehicle body, the molten iron tank cover opening and closing assembly being connected with the molten iron tank cover so as to drive the molten iron tank cover to cover the tank body or avoid the tank opening of the tank body through the molten iron tank cover opening and closing assembly.

[0010] Further, the molten iron tank cover comprises a first cover body and a second cover body, the first cover body and the second cover body being spliced into the molten iron tank cover; the molten iron tank cover opening and closing assembly has two groups, the two groups of molten iron tank cover opening and closing assemblies being movably arranged on the two sides of the tank body respectively, and the two groups of molten iron tank cover opening and closing assemblies being connected with the first cover body and the second cover body respectively; the first cover body and the second cover body are driven to move relative to each other through the two groups of molten iron tank cover opening and closing assemblies; each group of molten iron tank cover opening and closing assemblies has a blocking state of blocking the tank opening of the tank body and an avoiding state of avoiding the tank opening of the tank body; when each group of molten iron tank cover opening and closing assemblies is in the blocking state, the corresponding cover bodies are driven by each group of molten iron tank cover opening and closing assemblies to move close to each other, so that the first cover body and the second cover body cover the tank body; when each group of molten iron tank cover opening and closing assemblies is in the avoiding state, the corresponding cover bodies are driven by each group of molten iron tank cover opening and closing assemblies to move away from each other, so that the first cover body and the second cover body avoid the tank opening of the tank body.

[0011] Further, the ladle cover opening and closing assembly comprises a base provided on the vehicle body, a connecting frame movably provided on the base and protruding from the base, and the side of the connecting frame away from the base is connected with the corresponding cover body.

[0012] Further, the ladle cover opening and closing assembly further comprises a fifth driving member provided on the base and spaced apart from the connecting frame, and the fifth driving member is drivingly connected with the connecting frame, so that the connecting frame is driven to move by the extension and contraction of the fifth driving member, so that the connecting frame drives the corresponding cover body to cover the ladle body or avoids the ladle opening of the ladle body.

[0013] Further, two placing seats are spaced apart along the width direction of the vehicle body and mounted on the vehicle body, and the two sides of the ladle body are provided with two protrusions, and the two protrusions are placed on the two placing seats respectively.

[0014] Further, the front and rear double-drive molten iron transportation rail vehicle further comprises two traction seats oppositely provided on the two sides of the vehicle body along the length direction of the vehicle body, and at least two buffer seats oppositely provided on the two sides of the vehicle body along the length direction of the vehicle body, and the buffer seats and the traction seats on the same side are spaced apart.

[0015] Advantageous effects:

[0016] 1. The integrated double-drive design of the vehicle body, the driving assembly and the brake assembly utilizes the spaced apart arrangement of the first driving part and the second driving part along the length direction of the vehicle body to form a redundant power system; when single-side driving fails, the structure can be switched to the other side driving to maintain traction, thereby guaranteeing the continuity and safety of molten iron transportation, and when a driving assembly on one side fails, the other driving assembly can be moved to a specified position for maintenance.

[0017] 2. The movable connection structure of the connecting frame and the base cooperates with the vertical support design of the support frame to form a stable force transmission path when the cover body is opened, thereby preventing the hydraulic push rod from being deformed due to long-term pressure bearing.

[0018] 3. The protrusions on the two sides of the ladle body and the placing seats on the vehicle body adopt face contact and embedded positioning, thereby uniformly transmitting the load of the ladle body to the vehicle body and avoiding the deformation of the vehicle frame caused by local stress concentration. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic view of a front and rear double-drive molten iron transportation rail vehicle according to an embodiment of the present application;

[0020] Figure 2 is a schematic view of a front and rear double-drive molten iron transportation rail vehicle according to an embodiment of the present application.

[0021] In the above drawings, the following reference signs are used:

[0022] 1, car body; 2, first driving part; 3, first universal coupling; 4, second driving part; 5, second universal coupling; 6, first brake clamp; 7, third driving part; 8, second brake clamp; 9, fourth driving part; 10, tank body; 11, molten iron tank cover; 12, base; 13, connecting frame; 14, fifth driving part; 15, placing seat; 16, protrusion; 17, traction seat; 18, buffer seat. DETAILED DESCRIPTION

[0023] In order to make the person skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0024] According to the embodiments of the utility model, a front and rear double drive molten iron transportation rail car is provided, please refer to Figures 1 to 2 , car body 1, the car body is movably arranged on the transportation rail; brake assembly, the brake assembly is arranged on the car body 1, and the brake assembly is used to prevent the car body 1 from moving; driving assembly, the driving assembly is connected with the brake assembly, and the driving assembly includes first driving part and second driving part, the first driving part and the second driving part are both arranged on the car body 1, the first driving part and the second driving part are spaced apart along the length direction of the car body 1 and are arranged on the car body 1, and the first driving part and the second driving part are both drivingly connected with the car body 1; to drive the car body 1 to move by the first driving part or the second driving part.

[0025] By adopting the above technical scheme, the integrated double drive design of the car body 1, the driving assembly and the brake assembly, the first driving part and the second driving part are arranged in the length direction of the car body 1, forming a redundant power system; the structure can be switched to the other side driving to maintain traction when single side driving fails, ensuring the continuity and safety of molten iron transportation, and when one side driving assembly fails, the other side driving assembly can be moved to the specified position for maintenance.

[0026] Please refer to Figure 1The driving assembly comprises: a first driving member 2 installed on the vehicle body 1; a first universal coupling 3, the first driving member 2 and the first universal coupling 3 are arranged along the height direction and are spaced apart, the first universal coupling 3 is respectively in driving connection with the wheels on the opposite sides of the vehicle body 1 and close to each other, the output end of the first driving member 2 is in driving connection with the first universal coupling 3, and the first driving member 2 and the first universal coupling 3 constitute a first driving part; a second driving member 4 installed on the vehicle body 1, the first driving member 2 and the second driving member 4 are arranged along the length direction of the vehicle body 1 and are spaced apart; a second universal coupling 5, the second driving member 4 and the second universal coupling 5 are arranged along the height direction and are spaced apart, the second universal coupling 5 is respectively in driving connection with the wheels on the other opposite sides of the vehicle body 1 and close to each other, the output end of the second driving member 4 is in driving connection with the second universal coupling 5, and the second driving member 4 and the second universal coupling 5 constitute a second driving part.

[0027] By adopting the above technical scheme, the combination of the first driving member 2, the second driving member 4, the first universal coupling 3 and the second universal coupling 5 compensates for the installation error between the vehicle body 1 and the wheels and the vibration caused by the track unevenness through the multidirectional transmission characteristics of the universal coupling, and ensures the stability of the driving force transmission.

[0028] Further, the first driving member 2 and the second driving member 4 are three-phase asynchronous motors, the three-phase asynchronous motors are connected with the input end of the gearbox through the coupling, and the output end of the gearbox drives the vehicle body 1 to run on the fixed guide rail through the first universal coupling 3 or the second universal coupling 5.

[0029] Specifically, the driving assembly is provided with a set of control devices on the front side and the rear side of the vehicle body 1 respectively.

[0030] Further, the vehicle body 1 is provided with a storage battery, and the three-phase asynchronous motor is powered by the storage battery.

[0031] Please refer to Figure 1 The brake assembly comprises: a first brake clamp 6 connected with the output end of the first driving member 2, the first brake clamp 6 is used to prevent the inertial rotation of the output end of the first driving member 2 when the first driving member 2 is powered off; a third driving member 7 installed on the vehicle body 1, the third driving member 7 and the first driving member 2 are arranged along the length direction of the vehicle body 1 and are spaced apart, the output end of the third driving member 7 is in driving connection with the first brake clamp 6, and the third driving member 7 is used to drive the first brake clamp 6 to move to brake the output end of the first driving member 2.

[0032] By adopting the above technical scheme, the linkage brake system of the first brake clamp 6 and the third driving member 7 can quickly lock the inertial rotation of the output end when the driving member is powered off, prevent the vehicle body 1 from sliding due to inertia, and realize the redundant safety of emergency braking through the independent control design of the double brake clamps.

[0033] Please refer to Figure 1 The brake assembly comprises: a second brake clamp 8 connected with the output end of the second driving member 4, the second brake clamp 8 being used to prevent the inertial rotation of the output end of the second driving member 4 when the second driving member 4 is powered off; a fourth driving member 9 installed on the vehicle body 1, the fourth driving member 9 being arranged along the length direction of the vehicle body 1 and spaced apart from the second driving member 4, the output end of the fourth driving member 9 being drivingly connected with the second brake clamp 8, the fourth driving member 9 being used to drive the second brake clamp 8 to move to brake the output end of the second driving member 4.

[0034] By adopting the above technical scheme, the linkage brake system of the second brake clamp 8 and the fourth driving member 9 can quickly lock the inertial rotation of the output end when the driving member is powered off, prevent the vehicle body 1 from sliding due to inertia, and realize the redundant safety of emergency braking through the independent control design of the double brake clamps.

[0035] Further, the third driving member 7 and the fourth driving member 9 are preferably hydraulic rods, which are powered by the hydraulic station arranged on the vehicle body 1.

[0036] Please refer to Figure 2 The front-rear double driving molten iron transport rail car further comprises: a tank body 10 placed on the vehicle body 1; a molten iron tank cover 11 movably arranged relative to the tank body 10, the molten iron tank cover 11 being used to block or avoid the tank opening of the tank body 10; a molten iron tank cover opening and closing assembly movably arranged on the vehicle body 1, the molten iron tank cover opening and closing assembly being connected with the molten iron tank cover 11 to drive the molten iron tank cover 11 to cover the tank body 10 or to avoid the tank opening of the tank body 10.

[0037] By adopting the above technical scheme, the molten iron tank cover 11 is driven by the molten iron tank cover opening and closing assembly to block or avoid the tank opening of the tank body 10, without manual operation, reducing manual labor and saving labor cost.

[0038] Please refer to Figure 2The ladle cover 11 comprises a first cover body and a second cover body, and the first cover body and the second cover body are spliced to form the ladle cover 11; the ladle cover opening and closing assembly has two groups, and the two groups of the ladle cover opening and closing assembly are movably arranged on the two sides of the ladle body 10 and connected with the first cover body and the second cover body respectively; the first cover body and the second cover body are driven to move relative to each other through the two groups of the ladle cover opening and closing assembly; wherein each group of the ladle cover opening and closing assembly has a blocking state of blocking the ladle opening of the ladle body 10 and a avoiding state of avoiding the ladle opening of the ladle body 10; when each group of the ladle cover opening and closing assembly is in the blocking state, the corresponding cover bodies are driven by each group of the ladle cover opening and closing assembly to move close to each other, so that the first cover body and the second cover body are arranged on the ladle body 10; when each group of the ladle cover opening and closing assembly is in the avoiding state, the corresponding cover bodies are driven by each group of the ladle cover opening and closing assembly to move away from each other, so that the first cover body and the second cover body avoid the ladle opening of the ladle body 10.

[0039] By adopting the above technical scheme, the symmetrical driving mode of the two groups of the ladle cover opening and closing assembly makes the synchronization of the cover opening and closing action high, and avoids the problem of uneven sealing caused by unilateral force.

[0040] Please refer to Figure 2 The ladle cover opening and closing assembly comprises a base 12 arranged on the vehicle body 1, and a connecting frame 13 movably arranged on the base 12 and protruding from the base 12, and the side of the connecting frame 13 away from the base 12 is connected with the corresponding cover body.

[0041] By adopting the above technical scheme, the movable connection structure of the connecting frame 13 and the base 12 cooperates with the vertical support design of the support frame to form a stable force transmission path when the cover body is opened, preventing the hydraulic push rod from deforming due to long-term pressure.

[0042] Further, the support frame is arranged on the vehicle body 1 and extends along the height direction of the vehicle body 1, and the support frame supports the connecting frame 13 when the connecting frame 13 is in a horizontal state.

[0043] Please refer to Figure 2 The ladle cover opening and closing assembly further comprises a fifth driving member 14 arranged on the base 12, the fifth driving member 14 is arranged apart from the connecting frame 13, and the fifth driving member 14 is drivingly connected with the connecting frame 13 to drive the connecting frame 13 to move through the extension and contraction of the fifth driving member 14, so that the connecting frame 13 drives the corresponding cover body to be arranged on the ladle body 10 or to avoid the ladle opening of the ladle body 10.

[0044] By adopting the above technical scheme, the fifth driving member 14 drives the connecting frame 13 to move through the hydraulic push rod, realizes the quick opening and closing of the cover body, reduces the exposure time of the molten iron, and reduces the heat loss and oxidation risk.

[0045] Further, the fifth driving member 14 is preferably a hydraulic push rod, and the fifth driving member 14 is powered by a hydraulic station.

[0046] Referring to Figure 2 two placing seats 15 are installed on the vehicle body 1 in a width direction of the vehicle body 1, and the two protrusions 16 on the sides of the tank body 10 are placed on the two placing seats 15 respectively.

[0047] By adopting the above technical scheme, the protrusions 16 on the sides of the tank body 10 and the placing seats 15 on the vehicle body 1 are positioned by surface contact and embedding, so that the tank body load is evenly transmitted to the vehicle body 1, and the deformation of the vehicle frame caused by local stress concentration is avoided.

[0048] Referring to Figure 2 Figure 2 The front and rear double-drive molten iron transport rail car further comprises: two traction seats 17, which are arranged on the two sides of the vehicle body 1 in a length direction of the vehicle body 1; at least two buffer seats 18, each of which is arranged on the two sides of the vehicle body 1 in the length direction of the vehicle body 1; and the buffer seats 18 and the traction seats 17 on the same side are arranged in a spaced manner.

[0049] By adopting the above technical scheme, the traction seats 17 and the buffer seats 18 are arranged in a spaced manner, so that the rigid traction seat transmits the hitching traction force, and the buffer seat 18 absorbs the impact vibration, thereby reducing the risk of structural fatigue damage of the vehicle body 1.

[0050] Working principle:

[0051] First, start the two sets of molten iron tank cover opening and closing assemblies, drive the connecting frame 13 to move by retracting the fifth driving member 14, drive the first cover body and the second cover body to move, so that the two cover bodies are switched from the blocking state to the avoiding state, and the tank opening of the tank body 10 is completely exposed for molten iron loading and unloading operation; after the operation is completed, the fifth driving member 14 is extended to drive the connecting frame 13 to move inward, and drives the two cover bodies to move towards each other until they are tightly combined in the center of the tank opening, and the blocking state is restored; during the process that the two cover bodies are in the avoiding state, the support frame provides stable support for the connecting frame 13, ensures the accurate cover opening and closing track of the cover bodies, and the split design enables the two cover bodies to move synchronously and symmetrically, realizes quick opening and closing and reliable sealing. The whole process is controlled by a hydraulic system, which is easy to operate and responds quickly. If one side of the vehicle body 1 driving assembly fails, the vehicle body 1 can be moved to the target area for maintenance through the other side.

[0052] It should be noted that the terms "first", "second" and the like in the description and in the claims of the present application are used only to distinguish similar objects and do not necessarily have a specific order or sequence. It should be understood that the data thus used can be interchanged, where appropriate, so that the embodiments of the present application described herein can be implemented in orders other than those illustrated or described herein.

[0053] Alternatively, the specific examples in the embodiments can refer to the examples described in the above embodiments, and the embodiments will not be described here again.

[0054] The serial numbers of the above embodiments of the present application are only for description, not representing the advantages and disadvantages of the embodiments.

[0055] In the above embodiments of the present application, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0056] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should be considered as the protection scope of the present application.

Claims

1. A front and rear dual-drive molten iron transport railcar, characterized in that, include: Vehicle body (1); A braking assembly is disposed on the vehicle body (1) and is used to prevent the vehicle body (1) from moving; A drive assembly is connected to the brake assembly. The drive assembly includes a first drive part and a second drive part. Both the first drive part and the second drive part are disposed on the vehicle body (1). The first drive part and the second drive part are disposed on the vehicle body (1) at intervals along the length direction of the vehicle body (1). Both the first drive part and the second drive part are drivenly connected to the vehicle body (1) to drive the vehicle body (1) to move through the first drive part or the second drive part.

2. The front and rear dual-drive molten iron transport railcar according to claim 1, characterized in that, The driving component includes: A first drive unit (2) is mounted on the vehicle body (1); The first universal joint (3) is connected to the wheels on opposite sides of the vehicle body (1) and close to each other. The output end of the first drive member (2) is connected to the first universal joint (3). The first drive member (2) and the first universal joint (3) constitute the first drive unit. The second drive member (4) is mounted on the vehicle body (1), and the first drive member (2) and the second drive member (4) are spaced apart along the length direction of the vehicle body (1); The second universal joint (5) is connected to the wheels on the opposite side of the vehicle body (1) and close to each other. The output end of the second drive member (4) is connected to the second universal joint (5). The second drive member (4) and the second universal joint (5) constitute the second drive unit.

3. The front and rear dual-drive molten iron transport railcar according to claim 2, characterized in that, The braking assembly includes: The first brake clamp (6) is connected to the output end of the first drive member (2). The first brake clamp (6) is used to prevent the inertial rotation generated at the output end of the first drive member (2) when the first drive member (2) is de-energized. The third drive member (7) is mounted on the vehicle body (1). The third drive member (7) and the first drive member (2) are spaced apart along the length of the vehicle body (1). The output end of the third drive member (7) is driven to the first brake clamp (6). The third drive member (7) is used to drive the first brake clamp (6) to move.

4. The front and rear dual-drive molten iron transport railcar according to claim 2, characterized in that, The braking assembly includes: The second brake clamp (8) is connected to the output end of the second drive member (4). The second brake clamp (8) is used to prevent the inertial rotation generated at the output end of the second drive member (4) when the second drive member (4) is de-energized. The fourth drive member (9) is mounted on the vehicle body (1). The fourth drive member (9) and the second drive member (4) are spaced apart along the length of the vehicle body (1). The output end of the fourth drive member (9) is driven to the second brake clamp (8). The fourth drive member (9) is used to drive the second brake clamp (8) to move.

5. The front and rear dual-drive molten iron transport railcar according to claim 1, characterized in that, The front and rear dual-drive molten iron transport railcar also includes; Tank (10), the tank (10) is placed on the vehicle body (1); A molten iron ladle lid (11) is movably disposed relative to the ladle body (10) and is used to block or avoid the opening of the ladle body (10). A molten iron ladle lid opening and closing assembly is movably mounted on the vehicle body (1). The molten iron ladle lid opening and closing assembly is connected to the molten iron ladle lid (11) so that the molten iron ladle lid (11) can be driven to cover the ladle body (10) or to drive the molten iron ladle lid (11) to avoid the opening of the ladle body (10).

6. The front and rear dual-drive molten iron transport railcar according to claim 5, characterized in that, The molten iron ladle lid (11) includes a first lid body and a second lid body, which are joined together to form the molten iron ladle lid (11). The molten iron ladle lid opening and closing assembly has two sets, and the two sets of molten iron ladle lid opening and closing assemblies are respectively movably arranged on both sides of the ladle body (10), and the two sets of molten iron ladle lid opening and closing assemblies are respectively connected to the first lid body and the second lid body; so as to drive the first lid body and the second lid body to move relative to each other through the two sets of molten iron ladle lid opening and closing assemblies; Each group of molten iron ladle lid opening and closing components has a blocking state for blocking the opening of the ladle body (10) and a yielding state for yielding to the opening of the ladle body (10). When each group of molten iron ladle lid opening and closing components is in the blocking state, each group of molten iron ladle lid opening and closing components drives the corresponding lids to move closer to each other, so that the first lid and the second lid are placed on the ladle body (10). When each group of molten iron ladle lid opening and closing components is in the yielding state, each group of molten iron ladle lid opening and closing components drives the corresponding lids to move away from each other, so that the first lid and the second lid yield to the opening of the ladle body (10).

7. The front and rear dual-drive molten iron transport railcar according to claim 6, characterized in that, The molten iron ladle lid opening and closing assembly includes: A base (12) is mounted on the vehicle body (1); A connecting frame (13) is movably disposed on the base (12) and protrudes from the base (12). The side of the connecting frame (13) away from the base (12) is connected to a corresponding cover.

8. The front and rear dual-drive molten iron transport railcar according to claim 7, characterized in that, The molten iron ladle lid opening and closing assembly also includes: The fifth driving member (14) is disposed on the base (12). The fifth driving member (14) is disposed at a distance from the connecting frame (13). The fifth driving member (14) is driven to connect with the connecting frame (13) so that the connecting frame (13) moves by extending and retracting the fifth driving member (14), so that the connecting frame (13) drives the corresponding cover to cover the tank (10) or avoids the opening of the tank (10).

9. The front and rear dual-drive molten iron transport railcar according to claim 5, characterized in that, Two placement seats (15) are installed on the vehicle body (1) at intervals along the width direction of the vehicle body (1). Two protrusions (16) are provided on both sides of the tank body (10), and the two protrusions (16) are respectively placed on the two placement seats (15).

10. The front and rear dual-drive molten iron transport railcar according to claim 1, characterized in that, The front and rear dual-drive molten iron transport railcar also includes: Two towing seats (17) are arranged opposite each other on both sides of the vehicle body (1) along the length direction of the vehicle body (1); At least two buffer seats (18) are provided opposite to each other on both sides of the vehicle body (1) along the length direction of the vehicle body (1); the buffer seats (18) on the same side are provided at intervals from the traction seat (17).

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