Truck compartment assembly and railway wagon

Abstract

The invention provides a boxcar assembly and a rail wagon, and belongs to the technical field of rail wagons, the boxcar assembly comprises a boxcar chassis, side plates, end plates, a top cover and a driving mechanism; the carriage chassis is used for supporting the carriage; the side plates are arranged on the carriage chassis; inclined guide surfaces are arranged at the ends, away from the carriage chassis, of the side plates; the two end plates and the two side plates are encircled to form a containing cavity for containing goods; the inner wall of the top cover has the freedom degree of moving along the outer walls of the side plates. The top cover is provided with a guide surface; the driving mechanism comprises a power assembly and two telescopic rod sets. One ends of the two telescopic rod groups are rotationally connected with the two top covers respectively, and the other ends are in transmission connection with the power assembly. According to the boxcar assembly, by means of the guide face and the guide face which are in sliding fit, when the telescopic rod set is stretched, the power assembly drives the telescopic rod set to rotate, the top cover rotates along the outer walls of the side plates, then the top of the boxcar is opened or closed, and therefore the working efficiency is greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of railway freight cars, and in particular relates to a freight car assembly and a railway freight car. Background Art

[0002] Railway freight transportation is a freight mode that uses trains as the main means of transportation. Huang Fang uses it to transport heavy goods, such as coal, grain, vegetables, etc.; most of the carriages are open-top structures. Dust, leakage and rainwater erosion during transportation are major problems that plague cargo transportation, which not only causes waste of resources and economic damage, but also pollutes the environment along the railway.

[0003] At present, when railway freight cars are in operation, waterproof cloth is generally used to cover the roof of the carriage to cover the goods; however, this method is cumbersome and inefficient. At the same time, during operation, workers are required to climb onto the roof, which poses a safety hazard. Summary of the invention

[0004] The embodiments of the present invention provide a freight car body assembly and a railway freight car to solve the technical problem of inconvenient operation of covering the top of the car body in the prior art.

[0005] To achieve the above object, the technical solution adopted by the present invention is: to provide a truck compartment assembly, comprising: The carriage chassis is located on the ground and is used to support the carriage; There are two side panels, which are respectively arranged on the carriage bottom frame opposite to each other; the two side panels are arc-shaped structures, and the concave sides are arranged opposite to each other; an end of the side panel away from the carriage bottom frame is provided with an inclined guide surface, and the lower end of the guide surface is arranged in a direction away from the carriage; Two end plates are arranged on the carriage bottom frame in parallel and at intervals; the end plates are connected to the side plates, and the two end plates and the two side plates surround to form a receiving cavity for receiving goods; There are two top covers, and both are arranged above the two side panels; the top covers are arc-shaped structures, and the curvature of the top covers is the same as that of the side panels; the inner wall of the top cover has the freedom to move along the outer wall of the side panel to open or close the accommodating cavity; one end of the top cover is provided with a guide surface that slides with the guide surface; There are two driving mechanisms, which are respectively arranged on the two end plates and are used to drive the two top covers to move; the driving mechanism includes a power assembly and two telescopic rod groups; the power assembly is arranged on the corresponding end plates; one end of the two telescopic rod groups is respectively connected to the two top covers for rotation, and the other end is connected to the power assembly for transmission.

[0006] In a possible implementation, the telescopic rod group includes two connecting rods, a telescopic rod and a first elastic member; one end of one connecting rod is rotatably connected to the top cover, and one end of the other connecting rod is transmission-connected to the power assembly; sliding grooves are provided at opposite ends of the two connecting rods; the two ends of the telescopic rod are respectively arranged in the two sliding grooves and are slidably connected to the sliding grooves; the first elastic member is sleeved on the telescopic rod, and the two ends are respectively connected to the corresponding end of the connecting rod.

[0007] In a possible implementation, a limiting groove connected to the slide groove is further provided in the connecting rod, and the groove width of the limiting groove is greater than the groove width of the slide groove; and limiting blocks slidably connected to the limiting groove are provided at both ends of the telescopic rod.

[0008] In a possible implementation, a second elastic member is further provided in the limiting groove; the second elastic member is sleeved on the telescopic rod, and two ends of the second elastic member are respectively connected to the groove wall of the limiting groove and the limiting block.

[0009] In a possible implementation, the driving mechanism is further provided with a support plate and a reset member; the support plate is arranged on the corresponding end plate; and two ends of the reset member are respectively connected to the support plate and the connecting rod.

[0010] In a possible implementation, the power assembly includes a power plate, two transmission gears and a driving member; the power plate is arranged on the outer side of the end plate and has the freedom to slide up and down along the end surface of the end plate; transmission racks are provided on opposite sides of the power plate; the two transmission gears are respectively arranged on both sides of the power plate and are rotatably connected to the end plate, and the transmission gears are meshed and connected with the corresponding transmission racks; the two connecting rods of the two telescopic rod groups are respectively arranged on the two transmission gears; the driving member is arranged on the end plate, and the free end is transmission-connected to the power plate for driving the power plate to move.

[0011] In a possible implementation, the power assembly also includes a support frame; the support frame is arranged on the outside of the end plate; the driving member includes a driver and a driving gear, the driver is arranged on the support frame, and the driving gear is arranged at the free end of the driver; a driving rack meshingly connected to the driving gear is provided on the power plate.

[0012] In a possible implementation, two unloading doors for unloading are provided on the end plate away from the front of the railway freight car, one of the unloading doors is provided with a hook rotatably connected to the unloading door; the other unloading door is provided with a hook seat fixedly connected to the unloading door, and the hook is engaged with the hook seat; the lower end of the power plate is in contact with the upper end of the hook.

[0013] In a possible implementation, the inner wall of the side plate is further provided with a plurality of reinforcing ribs arranged in parallel and at intervals.

[0014] The beneficial effect of a truck compartment assembly provided by the present invention is that, compared with the prior art, the truck compartment assembly of the present invention, when in use, when it is necessary to open the compartment top, the power component of the driving mechanism controls the telescopic rod group to rotate, thereby causing the telescopic rod group to drive the top cover to rotate; since the curvature of the top cover is the same as the curvature of the side panel, and the guide surface inclined on the side panel cooperates with the guide surface on the top cover to slide, and at the same time, one end of the telescopic rod group is rotatably connected to the top cover, therefore, when the top cover rotates, the guide surface of the top cover slides along the guide surface of the side panel toward a direction away from the compartment, and stretches the telescopic rod group to make the inner wall of the top cover slide along the outer wall of the side panel, thereby opening the compartment top and exposing the accommodating cavity; when closing the compartment top, the telescopic rod group is driven to rotate in the reverse direction by means of the power component, and the telescopic rod group is reset by means of elastic force, thereby driving the top cover to reset, thereby closing the accommodating cavity; with the help of the compartment underframe to support the entire compartment body; a receiving cavity is formed by surrounding two side plates and two end plates to receive goods; in this way, with the help of the sliding matching guide surface and the guide surface, while the telescopic rod group is stretched, the power component drives the telescopic rod group to rotate, so that the top cover rotates along the outer wall of the side plate, and then the top of the carriage is opened or closed, thereby greatly improving the working efficiency; at the same time, with the help of the telescopic rod group and the arc-shaped side plates and top cover, when the top cover moves from the closed carriage top to the open carriage top or when the top cover moves from the open carriage top to the closed carriage top, the inner wall of the top cover always slides on the outer wall of the side plate, thereby reducing the space occupied by the top cover; since the top cover is an arc-shaped structure, when rain falls, the rain can slide down directly with the help of the top cover; at the same time, there will be a gap between the top cover and the end plate, forming a ventilated channel, so that the goods can be ventilated during long-distance transportation, thereby better protecting the goods.

[0015] Another object of the present invention is to provide a railway freight car comprising any one of the above-mentioned freight car assemblies.

[0016] The railway freight car provided by the present invention is connected to the carriage, so with the help of the sliding matching guide surface and the guide surface, while the telescopic rod group is stretched, the power component drives the telescopic rod group to rotate, so that the top cover rotates along the outer wall of the side plate, and then the top of the carriage is opened or closed, thereby greatly improving the working efficiency; at the same time, with the help of the telescopic rod group and the arc-shaped side plate and the top cover, when the top cover moves from the closed carriage top to the open carriage top or when the top cover moves from the open carriage top to the closed carriage top, the inner wall of the top cover always slides on the outer wall of the side plate, thereby reducing the space occupied by the top cover; because the top cover is an arc-shaped structure, when rain falls, the rain can slide down directly with the help of the top cover; at the same time, there will be a gap between the top cover and the end plate, forming a ventilated channel, so that the goods can be ventilated during long-distance transportation, thereby better protecting the goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a truck compartment assembly provided by an embodiment of the present invention Figure 1 ; Figure 2 A schematic diagram of the structure of a truck compartment assembly provided by an embodiment of the present invention Figure 2 ; Figure 3 A schematic diagram of the structure of a telescopic rod group provided in an embodiment of the present invention; Figure 4 A schematic diagram of the connection between the end plate and the power assembly provided in an embodiment of the present invention; Figure 5 A schematic diagram of the structure of a power assembly provided by an embodiment of the present invention; Figure 6 A schematic diagram of the connection between the side plate and the end plate provided in an embodiment of the present invention; Figure 7 This is a rear view of the truck compartment assembly provided by an embodiment of the present invention.

[0019] Among them, the reference numerals in the figure are: 1. Carriage chassis; 2. Side panel; 21. Guide surface; 3. End panel; 31. Accommodating chamber; 32. Unloading door; 33. Passage; 4. Top cover; 41. Guide surface; 5. Driving mechanism; 51. Power assembly; 511. Power plate; 512. Transmission gear; 513. Transmission rack; 514. Support frame; 515. Driver; 516. Driving gear; 517. Driving rack; 52. Telescopic rod group; 521. Connecting rod; 522. Telescopic rod; 523. First elastic member; 524. Slide groove; 525. Limiting groove; 526. Limiting block; 527. Second elastic member; 53. Support plate; 54. Reset member; 6. Hook; 7. Hook seat; 8. Reinforcement rib. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] See also Figures 1 to 7, the truck compartment assembly provided by the present invention is now described. A truck compartment assembly includes a compartment chassis 1, side panels 2, end panels 3, a top cover 4 and a driving mechanism 5; the compartment chassis 1 is arranged on the ground for supporting the compartment; there are two side panels 2, which are arranged on the compartment chassis 1 opposite to each other; the two side panels 2 are arc-shaped structures, and the concave sides are arranged opposite to each other; an end of the side panel 2 away from the compartment chassis 1 is provided with an inclined guide surface 21, and the lower end of the guide surface 21 is arranged in a direction away from the compartment; there are two end panels 3, which are arranged on the compartment chassis 1 in parallel and at intervals; the end panels 3 are connected to the side panels 2, and the two end panels 3 and the two side panels 2 surround to form a receiving cavity 31 for receiving goods; the number of the top covers 4 is There are two top covers 4, and both are arranged above the two side panels 2; the top cover 4 is an arc-shaped structure, and the curvature of the top cover 4 is the same as the curvature of the side panel 2; the inner wall of the top cover 4 has the freedom to move along the outer wall of the side panel 2 to open or close the accommodating chamber 31; one end of the top cover 4 is provided with a guide surface 41 that slides with the guide surface 21; the number of driving mechanisms 5 is two, and they are respectively arranged on the two end plates 3, for driving the two top covers 4 to move; the driving mechanism 5 includes a power assembly 51 and two telescopic rod groups 52; the power assembly 51 is arranged on the corresponding end plate 3; one end of the two telescopic rod groups 52 is respectively connected to the two top covers 4 for rotation, and the other end is connected to the power assembly 51 for transmission.

[0025] Compared with the prior art, the truck compartment assembly provided in the present embodiment is different from the prior art in that, when the truck compartment top needs to be opened, the power assembly 51 of the driving mechanism 5 controls the telescopic rod group 52 to rotate, thereby causing the telescopic rod group 52 to drive the top cover 4 to rotate; since the curvature of the top cover 4 is the same as that of the side panel 2, and the guide surface 21 inclined on the side panel 2 cooperates with the guide surface 41 on the top cover 4 to slide, and at the same time, one end of the telescopic rod group 52 is rotatably connected to the top cover 4, when the top cover 4 rotates, the guide surface 41 of the top cover 4 slides along the guide surface 21 of the side panel 2 toward a direction away from the compartment, and the telescopic rod group 52 is stretched to make the inner wall of the top cover 4 slide along the outer wall of the side panel 2, thereby opening the compartment top and exposing the accommodating chamber 31; when closing the compartment top, the telescopic rod group 52 is driven to rotate in the reverse direction by means of the power assembly 51, and the telescopic rod group 52 is reset by means of elastic force, thereby driving the top cover 4 to reset, thereby closing the accommodating chamber 31; the compartment bottom frame 1 is used to support the compartment As a whole; two side panels 2 and two end panels 3 are used to form a accommodating cavity 31 to accommodate goods; in this way, with the help of the sliding matching guide surface 21 and the guide surface 41, while stretching the telescopic rod group 52, the power component 51 drives the telescopic rod group 52 to rotate, so that the top cover 4 rotates along the outer wall of the side panel 2, and then the top of the car is opened or closed, thereby greatly improving the work efficiency; at the same time, with the help of the telescopic rod group 52 and the arc-shaped side panels 2 and the top cover 4, the top cover 4 is moved from the closed car top to the open car top or from the open car top to the closed car top. The inner wall of the top cover 4 always slides on the outer wall of the side panel 2, reducing the space occupied by the top cover 4; because the top cover 4 is an arc-shaped structure, when rain falls, the rain can slide down directly with the help of the top cover 4; at the same time, there will be a gap between the top cover 4 and the end panel 3, forming a ventilated channel 33, which can ventilate the goods during long-distance transportation, thereby better protecting the goods.

[0026] See also Figures 1 to 3As a specific embodiment of the truck compartment assembly provided by the present invention, the telescopic rod group 52 includes two connecting rods 521, a telescopic rod 522 and a first elastic member 523; one end of one connecting rod 521 is rotatably connected to the top cover 4, and one end of the other connecting rod 521 is transmission-connected to the power assembly 51; the two connecting rods 521 are provided with a slide groove 524 at the opposite ends; the two ends of the telescopic rod 522 are respectively arranged in the two slide grooves 524 and are slidably connected to the slide grooves 524; the first elastic member 523 is sleeved on the telescopic rod 522, and the two ends are respectively connected to one end of the corresponding connecting rod 521; the power assembly 51 drives one connecting rod 521 to rotate, thereby driving the telescopic rod 522 and the other connecting rod 524 to rotate. The connecting rod 521 rotates, and under the action of the guide surface 41 and the guide surface 21, another connecting rod 521 controls the top cover 4 to move to the outer wall of the side plate 2 and slide along the outer wall of the side plate 2 to open the accommodating chamber 31; when the top cover 4 moves to the outer wall of the side plate 2, the top cover 4 will drive the telescopic rod 522 to slide in the slide groove 524 and stretch the first elastic member 523; when closing the accommodating chamber 31, the power component 51 drives the telescopic rod group 52 to reverse, and when the guide surface 41 of the top cover 4 moves above the guide surface 21 of the side plate 2, the stretched first elastic member 523 is reset by elastic force, thereby driving the telescopic rod 522 to reset, thereby resetting the top cover 4 to close the accommodating chamber 31; the first elastic member 523 is a spring.

[0027] See also Figure 3 As a specific embodiment of the truck compartment assembly provided by the present invention, a limiting groove 525 connected to the slide groove 524 is further provided in the connecting rod 521, and the groove width of the limiting groove 525 is greater than the groove width of the slide groove 524; both ends of the telescopic rod 522 are provided with limiting blocks 526 slidably connected to the limiting groove 525; in order to prevent the top cover 4 from being too heavy when the accommodating cavity 31 is opened, causing the first elastic member 523 to fail, causing the telescopic rod 522 to detach from the slide groove 524, limiting blocks 526 are provided at both ends of the telescopic rod 522, and the limiting blocks 526 slide in the limiting groove 525 to ensure the normal use of the telescopic rod group 52.

[0028] See also Figure 3 As a specific embodiment of the truck compartment assembly provided by the present invention, a second elastic member 527 is further provided in the limiting groove 525; the second elastic member 527 is sleeved on the telescopic rod 522, and the two ends are respectively connected to the groove wall of the limiting groove 525 and the limiting block 526; when the top cover 4 is opened, when the telescopic rod 522 slides in the slide groove 524, the limiting block 526 is driven to slide in the limiting groove 525, thereby compressing the second elastic member 527; when the top cover 4 is closed, the second elastic member 527 is reset with the help of elastic force; the second elastic member 527 can not only accelerate the reset of the telescopic rod group 52, but also reduce the deformation of the first elastic member 523, thereby better protecting the telescopic rod group 52; the second elastic member 527 is a spring.

[0029] See also Figure 1 and Figure 2 As a specific embodiment of the truck compartment assembly provided by the present invention, the driving mechanism 5 is further provided with a support plate 53 and a reset member 54; the support plate 53 is arranged on the corresponding end plate 3; the two ends of the reset member 54 are respectively connected to the support plate 53 and the connecting rod 521; with the help of the support plate 53 and the reset member 54, when the top cover 4 is opened, the reset member 54 is stretched when the connecting rod 521 rotates; when the top cover 4 is closed, the reset member 54 is reset with the help of elastic force; the reset member 54 can not only accelerate the reset of the telescopic rod group 52, but also reduce the deformation of the first elastic member 523, so as to better protect the telescopic rod group 52; the reset member 54 is a spring.

[0030] See also Figure 1 , Figure 2 , Figure 4 and Figure 5 As a specific embodiment of the truck compartment assembly provided by the present invention, the power assembly 51 includes a power plate 511, two transmission gears 512 and a driving member; the power plate 511 is arranged on the outer side of the end plate 3 and has the freedom to slide up and down along the end surface of the end plate 3; transmission racks 513 are provided on the opposite sides of the power plate 511; the two transmission gears 512 are respectively arranged on both sides of the power plate 511 and are rotatably connected to the end plate 3, and the transmission gears 512 are meshed and connected with the corresponding transmission racks 513; the two connecting rods 521 of the two telescopic rod groups 52 are respectively arranged on the two transmission gears 512; the driving member is arranged on the end plate 3, and the free end is transmission-connected with the power plate 511, and is used to drive the power plate 511 to move; when the power assembly 51 controls the connecting rod 521 of the telescopic rod group 52 to rotate, the driving member drives the power plate 511 to move up and down along the end plate 3 of the end plate 3, and the transmission rack 513 on the power plate 511 moves synchronously, thereby driving the two transmission gears 512 to rotate, thereby driving the connecting rod 521 to rotate.

[0031] See also Figure 1 , Figure 2 , Figure 4 and Figure 5 As a specific embodiment of the truck compartment assembly provided by the present invention, the power assembly 51 also includes a support frame 514; the support frame 514 is arranged on the outer side of the end plate 3; the driving member includes a driver 515 and a driving gear 516, the driver 515 is arranged on the support frame 514, and the driving gear 516 is arranged at the free end of the driver 515; a driving rack 517 meshingly connected with the driving gear 516 is provided on the power plate 511; when the driving member drives the power plate 511 to move, the free end of the driver 515 controls the rotation of the driving gear 516, and the driving gear 516 drives the driving rack 517 to move, thereby controlling the movement of the power plate 511; the support frame 514 is used to protect the power assembly 51.

[0032] See also Figure 7 As a specific embodiment of the freight car assembly provided by the present invention, two unloading doors 32 for unloading are provided on the end plate 3 away from the front of the railway freight car, one of the unloading doors 32 is provided with a hook 6 rotatably connected to the unloading door 32; the other unloading door 32 is provided with a hook seat 7 fixedly connected to the unloading door 32, and the hook 6 is engaged with the hook seat 7; the lower end of the power plate 511 contacts the upper end of the hook 6; with the help of the hook 6 and the hook seat 7, the unloading door 32 is locked or opened; at the same time, when the unloading door 32 is locked, the lower end of the power plate 511 contacts the upper end of the hook 6, and the power plate 511 is used to prevent the hook 6 from rotating at will.

[0033] See also Figure 6 As a specific embodiment of the truck compartment assembly provided by the present invention, the inner wall of the side panel 2 is also provided with a plurality of parallel and spaced reinforcing ribs 8; the reinforcing ribs 8 are used to improve the overall structural strength and structural stability of the compartment.

[0034] Not shown in the figures, an embodiment of the present invention further provides a railway freight car, which includes any one of the above-mentioned freight car assemblies.

[0035] The railway freight car provided by the present invention is connected to the carriage. Therefore, with the help of the slidingly matched guide surface 21 and the guide surface 41, while stretching the telescopic rod group 52, the power component 51 drives the telescopic rod group 52 to rotate, so that the top cover 4 rotates along the outer wall of the side panel 2, and then the top of the carriage is opened or closed, thereby greatly improving the working efficiency; at the same time, with the help of the telescopic rod group 52 and the arc-shaped side panel 2 and the top cover 4, when the top cover 4 is moved from the closed carriage top to the open carriage top or when the top cover 4 is moved from the open carriage top to the closed carriage top, the inner wall of the top cover 4 always slides on the outer wall of the side panel 2, thereby reducing the space occupied by the top cover 4; since the top cover 4 is an arc-shaped structure, when rain falls, the rain can slide down directly with the help of the top cover 4; at the same time, there will be a gap between the top cover 4 and the end plate 3, forming a ventilated channel 33, so that the goods can be ventilated during long-distance transportation, thereby better protecting the goods.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A truck compartment assembly, characterized in that: include: The carriage chassis is located on the ground and is used to support the carriage; There are two side panels, which are respectively arranged on the carriage bottom frame opposite to each other; the two side panels are arc-shaped structures, and the concave sides are arranged opposite to each other; an end of the side panel away from the carriage bottom frame is provided with an inclined guide surface, and the lower end of the guide surface is arranged in a direction away from the carriage; Two end plates are arranged on the carriage bottom frame in parallel and at intervals; the end plates are connected to the side plates, and the two end plates and the two side plates surround to form a receiving cavity for receiving goods; There are two top covers, and both are arranged above the two side panels; the top covers are arc-shaped structures, and the curvature of the top covers is the same as that of the side panels; the inner wall of the top cover has the freedom to move along the outer wall of the side panel to open or close the accommodating cavity; one end of the top cover is provided with a guide surface that slides with the guide surface; There are two driving mechanisms, which are respectively arranged on the two end plates and are used to drive the two top covers to move; the driving mechanism includes a power assembly and two telescopic rod groups; the power assembly is arranged on the corresponding end plates; one end of the two telescopic rod groups is respectively connected to the two top covers for rotation, and the other end is connected to the power assembly for transmission.

2. A truck compartment assembly according to claim 1, characterized in that: The telescopic rod group includes two connecting rods, a telescopic rod and a first elastic member; one end of one connecting rod is rotatably connected to the top cover, and one end of the other connecting rod is transmission-connected to the power assembly; a slide groove is provided at the opposite ends of the two connecting rods; the two ends of the telescopic rod are respectively arranged in the two slide grooves and are slidably connected to the slide grooves; the first elastic member is sleeved on the telescopic rod, and the two ends are respectively connected to the corresponding end of the connecting rod.

3. A truck compartment assembly as claimed in claim 2, characterized in that: A limiting groove connected to the slide groove is also provided in the connecting rod, and the groove width of the limiting groove is greater than the groove width of the slide groove; both ends of the telescopic rod are provided with limiting blocks slidably connected to the limiting groove.

4. A truck compartment assembly as claimed in claim 3, characterized in that: A second elastic member is also provided in the limiting groove; the second elastic member is sleeved on the telescopic rod, and two ends of the second elastic member are respectively connected to the groove wall of the limiting groove and the limiting block.

5. A truck compartment assembly as claimed in claim 2, characterized in that: The driving mechanism is further provided with a support plate and a reset member; the support plate is arranged on the corresponding end plate; and the two ends of the reset member are respectively connected to the support plate and the connecting rod.

6. A truck compartment assembly as claimed in claim 2, characterized in that: The power assembly includes a power plate, two transmission gears and a driving member; the power plate is arranged on the outer side of the end plate and has the freedom to slide up and down along the end surface of the end plate; transmission racks are provided on the opposite sides of the power plate; the two transmission gears are respectively arranged on both sides of the power plate and are rotatably connected to the end plate, and the transmission gears are meshed and connected with the corresponding transmission racks; the two connecting rods of the two telescopic rod groups are respectively arranged on the two transmission gears; the driving member is arranged on the end plate, and the free end is transmission-connected to the power plate, so as to drive the power plate to move.

7. A truck compartment assembly as claimed in claim 6, characterized in that: The power assembly also includes a support frame; the support frame is arranged on the outer side of the end plate; the driving member includes a driver and a driving gear, the driver is arranged on the support frame, and the driving gear is arranged at the free end of the driver; a driving rack meshingly connected to the driving gear is provided on the power plate.

8. A truck compartment assembly as claimed in claim 6, characterized in that: Two unloading doors for unloading are provided on the end plate away from the front of the railway freight car, one of the unloading doors is provided with a hook rotatably connected to the unloading door; the other unloading door is provided with a hook seat fixedly connected to the unloading door, and the hook is engaged with the hook seat; the lower end of the power plate is in contact with the upper end of the hook.

9. A truck compartment assembly as claimed in claim 1, characterized in that: The inner wall of the side plate is also provided with a plurality of reinforcing ribs arranged in parallel and at intervals.

10. A railway freight car, characterized in that: It comprises a truck compartment assembly as described in any one of claims 1-9.

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