CN204341039U - Railway truck and shipping loading and unloading system - Google Patents

Abstract

The utility model provides a railway freight car and a freight loading and unloading system. Wherein, the railway wagon includes an underframe (10) and wheels arranged under the underframe (10), the railway wagon also includes a load-bearing portion (20) and a position-limiting structure, and the load-bearing portion (20) is pivotally arranged on the underframe ( 10), the bearing part (20) has a swing-out position and a recovery position, and when the bearing part (20) is in the recovery position, the limit structure limits the rotation of the bearing part (20). The technical scheme of the utility model can effectively solve the problem of low loading efficiency of railway wagons in the prior art.

Description

Railway wagons and freight handling systems

technical field

The utility model relates to the technical field of railway vehicles, in particular to a railway freight car and a freight loading and unloading system.

Background technique

At present, road transportation is one of the main modes of cargo transportation in our country. However, because road transportation is greatly affected by factors such as weather, terrain, and night driving, the staff usually drives the car to a special railway wagon, and transports the car to the destination by rail. This long-distance, all-weather transportation method by railway can reduce energy consumption, reduce environmental pollution, improve transportation safety, and is economical, safe and reliable.

When road vehicles are transported by railway, the staff usually leads the railway wagon to the designated position of the loading point through the loading line, and drives the car 1' through the platform to the floor 11' of the railway wagon (as shown in Figure 1) , to complete the loading process. Thereafter, the automobile is transported to the destination by the railway, and the automobile is driven off from the floor 11 ' of the railway wagon by the platform, and then arrives at the designated place by itself.

During the loading or unloading of the automobile of the above-mentioned mode of transportation, the automobile 1' can only be driven on or off from the end of the railway wagon. When a train of railway wagons needs to transport a plurality of cars 1 ', the cars 1 ' can only be driven from one end of the train of railway wagons to the other end of the train in turn, and the loading efficiency is low (as shown in Figure 2).

Utility model content

The main purpose of the utility model is to provide a railway freight car and a freight loading and unloading system to solve the problem of low loading efficiency of the railway freight car in the prior art.

In order to achieve the above object, according to one aspect of the present utility model, a railway freight car is provided, including an underframe and wheels arranged under the underframe, the railway freight car also includes a bearing part and a position-limiting structure, and the bearing part is pivotally arranged On the bottom frame, the bearing part has a swing-out position and a recovery position, and when the bearing part is in the recovery position, the limiting structure limits the rotation of the bearing part.

Further, the bearing part is arranged on the bottom frame in a liftable manner.

Further, the limiting structure includes a limiting part arranged on the bottom frame and a restricted part arranged at the bottom of the carrying part, and the restricted part is accommodated in the limiting part.

Further, a pivoting seat is provided on the base frame, and a pivoting connection part matched with the pivoting seat is provided on the bearing part.

Further, the carrying part is provided with a traction connection part.

According to another aspect of the present utility model, a freight loading and unloading system is provided, including a platform and a railway freight car, and the railway freight car is the above-mentioned railway freight car.

Further, the bearing part has a raised position at the same height as the platform.

Further, there is a avoidance part on the underframe, and the freight handling system also includes a hydraulic system, the hydraulic system includes a hydraulic cylinder and a bearing support part arranged on the hydraulic cylinder, the bearing support part corresponds to the position of the avoidance part, and the cylinder body of the hydraulic cylinder is fixed on Below the railway wagon, the piston rod of the hydraulic cylinder is connected to the bearing support part, and the bearing support part cooperates with the bearing part to make the bearing part move between the recovery position and the raised position.

Further, there are rollers on the bearing supporting part, and the rollers cooperate with the bearing part.

Further, the bottom frame is a concave bottom frame.

Further, the concave chassis includes a floor and support seats arranged at both ends of the floor, the transverse width of the floor is smaller than the transverse width of the load-bearing part, the upper surface of the support seat matches the shape of the lower surface of the load-bearing part, and the gap between the support seat and the floor Form avoidance department.

By applying the technical solution of the utility model, a bearing part and a position-limiting structure are added on the bottom frame. The bearing part is pivotably arranged on the bottom frame. When the vehicle is loaded, the bearing part moves from the recovery position to the outward swing position. At this time, the car is driven onto the load-bearing part of the railway freight car, and after the car is completely placed on the load-bearing part and stopped, the load-bearing part is moved from the swing-out position to the recovery position, and the rotation of the load-bearing part is limited by a limiting structure , thus completing the loading process. When a railway freight car needs to transport multiple cars, since the railway freight car has the above-mentioned carrying portion and the limiting structure, multiple cars can be loaded on the railway freight car at the same time, and there is no need to unpack a train of railway freight cars, so the loading efficiency is high.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows the single car loading schematic diagram of railway wagon in the prior art;

Fig. 2 shows a plurality of automobile loading schematic diagrams of railway wagons in the prior art;

Fig. 3 shows the schematic diagram of the vehicle limit in the railway transportation in the prior art;

Fig. 4 shows the schematic front view of the embodiment of the railway wagon according to the utility model;

Figure 5 shows a schematic top view of an embodiment of the railway wagon of Figure 4;

Fig. 6 shows the A-A schematic sectional view of the embodiment of the railway freight car of Fig. 4;

Fig. 7 shows the B-B cross-sectional schematic view of the embodiment of the railway freight car of Fig. 4;

Fig. 8 shows a structural schematic view before loading or unloading of the embodiment of the railway freight car of Fig. 4;

Fig. 9 shows a schematic diagram of the hydraulic system before loading or unloading of the embodiment of the railway freight car of Fig. 4;

Figure 10 shows a schematic diagram of the hydraulic system during loading or unloading of the embodiment of the railway wagon of Figure 4;

Fig. 11 shows the structure diagram during the loading or unloading process of the embodiment of the railway freight car of Fig. 4; And

Fig. 12 shows a schematic diagram of the position-limiting structure during the loading or unloading process of the embodiment of the railway freight car in Fig. 4 .

Wherein, the above-mentioned accompanying drawings include the following reference signs:

1', automobile; 11', floor; 10, underframe; 11, floor; 12, support seat; 20, bearing part; 31, pivot seat; 32, pivot connection part; 41, limit part; 42 Restricted part; 50, hydraulic cylinder; 60, bearing support part; 70, traction connection part.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Fig. 4 and Fig. 5, the railway wagon of the present embodiment comprises an underframe 10 and wheels arranged below the underframe 10, and the railway wagon also includes a bearing part 20 and a position-limiting structure, and the bearing part 20 is pivotally arranged on On the bottom frame 10 , the bearing part 20 has a swing out position and a recovery position. When the bearing part 20 is in the recovery position, the limit structure limits the rotation of the bearing part 20 .

Applying the railway freight car of this embodiment, a bearing portion 20 and a position-limiting structure are added on the underframe 10 . The bearing part 20 is pivotally disposed on the chassis 10 . When the vehicle is loaded, the bearing part 20 moves from the recovery position to the outward swing position. At this time, drive the car onto the load-carrying portion 20 of the railway freight car, and after the car is completely placed on the load-bearing portion 20 and has come to a complete stop, the load-bearing portion 20 is moved from the swing-out position to the recovery position, and the load-carrying position is limited by a position-limiting structure. The rotation of the part 20 completes the loading process. When a railway freight car needs to transport multiple cars, since the railway freight car has the bearing part 20 and the limiting structure, multiple cars can be loaded on the railway freight car at the same time, and there is no need to decompile a train of railway freight cars, so the loading efficiency is high.

As shown in FIG. 4 and FIG. 5 , in the railway freight car of this embodiment, the carrying portion 20 is arranged on the underframe 10 in a liftable manner. The above-mentioned bearing part 20 can be adjusted up and down according to the specific position of the car to be loaded, so that the car can run on the bearing part 20 smoothly, adapt to different loading environments, and enhance the loading flexibility.

As shown in Figure 7, in the railway wagon of this embodiment, the limiting structure includes a limiting portion 41 arranged on the underframe 10 and a restricted portion 42 arranged at the bottom of the bearing portion 20, and the restricted portion 42 is accommodated in Inside the limiting part 41. When the bearing part 20 is limited, the restricted part 42 is stuck in the limiting part 41. The above-mentioned limiting structure can effectively prevent the bearing part 20 from rotating when it is in the retracted position. The limiting effect is good, and the structure is simple and easy to implement.

As shown in FIG. 6 , in the railway freight car of this embodiment, a pivot seat 31 is provided on the underframe 10 , and a pivot connection portion 32 cooperating with the pivot seat 31 is provided on the carrying portion 20 . The above structure realizes the pivotable connection between the bearing part 20 and the chassis 10 . Specifically, the pivot seat 31 in this embodiment is a rotating pin fixedly arranged in the middle of the chassis 10, and the pivot connection part 32 is a rotating sleeve fixedly arranged in the middle of the bearing part 20. on the pin and is pivotably fitted with the swivel pin. In addition, when the carrying part 20 is adjusted up and down, the rotating sleeve can move correspondingly along the axial direction of the rotating pin, so that the carrying part 20 can be pivotally connected with the bottom frame 10 when it is in the raised position.

As shown in FIG. 6 and FIG. 7 , in the railway freight car of this embodiment, a traction connection portion 70 is provided on the loading portion 20 . The traction connection part 70 is a traction seat provided on the side of the carrying part 20 . When the car is loaded or unloaded, the ground traction system (ground tractor) can be connected to the traction seat on the side of the carrying part 20, and the carrying part 20 is rotated until the carrying part 20 is rotated to the swing out relative to the car to be loaded. Location.

The present application also provides a freight handling system. An embodiment of the freight handling system according to the present application includes a platform and the above-mentioned railway freight cars.

As shown in FIG. 10 , in the freight handling system of this embodiment, the carrying portion 20 has a raised position at the same height as the platform. Make the bearing part 20 and the platform be located at the same height to facilitate the loading of the car.

As shown in Figures 8 to 11, in the freight handling system of this embodiment, there is an avoidance part on the underframe 10, and the freight handling system also includes a hydraulic system, which includes a hydraulic cylinder 50 and a bearing mounted on the hydraulic cylinder 50. The supporting part 60, the bearing supporting part 60 corresponds to the position of the avoiding part, the cylinder body of the hydraulic cylinder 50 is fixed under the railway freight car, the piston rod of the hydraulic cylinder 50 is connected with the bearing supporting part 60, and the bearing supporting part 60 is matched with the bearing part 20 To make the bearing part 20 move between the recovery position and the raised position.

Specifically, the platforms in the above freight handling system are arranged on both sides of the railway line, and ground traction systems (ground tractors) are arranged on the platforms.

When carrying out loading operation to automobile, first railway wagon is led to loading point by loading railway line, and above-mentioned hydraulic system is positioned at the below of railway wagon (as shown in Fig. 8 and Fig. 9). After the railway freight car has come to a complete stop, the piston rod of the hydraulic cylinder 50 of the hydraulic system is stretched out, and the bearing supporting part 60 is jacked up. The bearing support part 60 cooperates with the bearing part 20 to make the bearing part 20 rise until the bottom surface of the bearing part 20 is at the same height as the platform, that is, the bearing part 20 is in the raised position, and the hydraulic cylinder 50 stops. At this time, the restricted portion 42 at the bottom of the carrying portion 20 is separated from the limiting portion 41 on the chassis 10 (as shown in FIG. 12 ). After the limited part 42 is separated from the limiting part 41, the ground traction system (ground tractor) on one side of the platform is manipulated to drive the traction seat on the side of the bearing part 20, and the bearing part 20 is rotated until the bearing part 20 rotates to the same position as the bearing part 20. The relative swing-out position of the vehicle to be loaded. At this time, drive the car from the platform to the load-bearing portion 20 of the railway freight car (as shown in Figures 10 and 11), and after the car is completely placed on the load-bearing portion 20 and comes to a complete stop, manipulate the ground traction on the platform on the other side. The system (ground tractor) reversely rotates the load bearing portion 20 . After the carrying part 20 turns to the right position, the piston rod of the hydraulic cylinder 50 of the hydraulic system retracts, and the carrying part 20 falls back on the chassis 10, that is, the carrying part 20 is in the recovery position, and the hydraulic cylinder 50 stops acting. At this time, the restricted portion 42 at the bottom of the carrying portion 20 falls back into the limiting portion 41 on the chassis 10 , thereby completing the loading process. Multiple groups of hydraulic systems and ground traction systems (ground tractors) can be set on the platforms on both sides of the railway line, so that multiple cars can be loaded onto the railway wagons at the same time.

When the vehicle is unloaded, the piston rod of the hydraulic cylinder 50 of the hydraulic system is stretched out after the railway freight car has stopped, and the bearing supporting part 60 is jacked up. The bearing support part 60 cooperates with the bearing part 20 to make the bearing part 20 rise until the bottom surface of the bearing part 20 is at the same height as the platform, that is, the bearing part 20 is in the raised position, and the hydraulic cylinder 50 stops. At this time, the restricted portion 42 at the bottom of the carrying portion 20 is separated from the limiting portion 41 on the bottom frame 10 . After the limited part 42 is separated from the limiting part 41, the ground traction system (ground tractor) on one side of the platform is manipulated to drive the traction seat on the side of the bearing part 20, and the bearing part 20 is rotated until the bearing part 20 rotates to the same position as the bearing part 20. The relative swing-out position of the vehicle to be loaded. At this moment, the automobile is driven onto the platform from the carrying portion 20 of the railway freight car, and after the automobile is fully driven out of the carrying portion 20, the ground traction system (ground tractor) on the platform on the other side is manipulated to make the carrying portion 20 reversely rotate. . After the carrying part 20 turns to the right position, the piston rod of the hydraulic cylinder 50 of the hydraulic system retracts, and the carrying part 20 falls back on the chassis 10, that is, the carrying part 20 is in the recovery position, and the hydraulic cylinder 50 stops acting. At this time, the restricted portion 42 at the bottom of the carrying portion 20 falls back into the limiting portion 41 on the chassis 10 , thereby completing the unloading process. When a train of railway wagons needs to transport multiple cars, the above structure can realize the unloading of the cars on the whole train of railway wagons at the same time, and during the unloading process of the cars, the cars can be driven forward without the need for the driver to perform reversing operations, which reduces the difficulty of driving the cars .

It should be noted that, in this embodiment, the above-mentioned limiting part 41 is a positioning stop box, and the restricted part 42 is a positioning stopper matched with the positioning stop box. The bearing part 20 is a steel plate folding structure, and the rotating sleeve and the positioning baffle are welded under the bearing part 20 .

As shown in FIG. 8 to FIG. 11 , in the freight handling system of this embodiment, there are rollers on the bearing support part 60 , and the rollers cooperate with the bearing part 20 . The rollers can effectively reduce the frictional resistance between the bearing part 20 and the bearing supporting part 60 during the rotation process, so that the bearing part 20 can rotate more smoothly.

As shown in FIG. 4 , in the freight handling system of this embodiment, the underframe 10 is a concave underframe.

In the process of railway transportation, in order to ensure the safety of cars on the railway line and prevent them from colliding with buildings and equipment adjacent to the line, the contour dimension lines that are not allowed to be exceeded are usually stipulated for railway wagons and buildings and equipment close to the line (Fig. The dotted line portion shown in 3 shows the outline dimension line). The above outline dimension lines are called rail limits. Basic railway gauges include vehicle gauges and building approach gauges. Due to the influence of the railway margins, when using railway wagons to transport cars, if the size of the cars is large, the overall size of the railway wagons equipped with cars will easily exceed the vehicle limits (as shown in Figure 3).

Because the above-mentioned underframe 10 is a concave underframe, the large vehicle will fall into the concave bottom after the loading is completed, and the height of the top surface of the vehicle will be reduced, so that the overall size of the railway freight car equipped with the large vehicle will not exceed the vehicle limit, and the large-scale vehicle can be realized. Long-distance and all-weather transportation by railway saves transportation costs and effectively ensures transportation safety.

As shown in Fig. 6, Fig. 7, Fig. 9 and Fig. 10, in the freight handling system of this embodiment, the concave chassis includes a floor 11 and support seats 12 arranged at both ends of the floor 11, and the transverse width of the floor 11 is smaller than the bearing portion 20, the shape of the upper surface of the support seat 12 is adapted to the shape of the lower surface of the bearing part 20, and an avoidance part is formed between the support seat 12 and the floor 11. In the above structure, the hydraulic system does not interfere with the support bases 12 at both ends of the floor 11 when it works. The structure of the floor 11 of the above-mentioned concave chassis facilitates the work of the hydraulic system, and can save materials and reduce costs.

From the above description, it can be seen that the above-mentioned embodiments of the utility model have achieved the following technical effects: when a train of railway wagons needs to transport multiple vehicles, multiple vehicles can be loaded or unloaded at the same time, without the need to transport a train of railway wagons Decoding, high loading efficiency, and in the process of loading or unloading, the car can be driven forward without the need for the driver to perform reverse operation, which reduces the difficulty of driving the car.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (11)

1. a railway truck, comprise underframe (10) and be arranged on the wheel below described underframe (10), it is characterized in that, described railway truck also comprises supporting part (20) and position limiting structure, described supporting part (20) is arranged on described underframe (10) pivotly, described supporting part (20) has outer pendulum position and reclaims position, and when described supporting part (20) is in described recovery position, described position limiting structure limits the rotation of described supporting part (20).

2. railway truck according to claim 1, is characterized in that, described supporting part (20) is liftably arranged on described underframe (10).

3. railway truck according to claim 2, it is characterized in that, described position limiting structure comprises the limited portion (42) of the limiting section (41) be arranged on described underframe (10) and the bottom being arranged on described supporting part (20), and described limited portion (42) is contained in described limiting section (41).

4. railway truck according to claim 2, it is characterized in that, described underframe (10) is provided with pivot block (31), described supporting part (20) is provided with the pivot section (32) coordinated with described pivot block (31).

5. railway truck according to claim 2, is characterized in that, described supporting part (20) is provided with traction connecting portion (70).

6. a shipping loading and unloading system, comprises platform and railway truck, it is characterized in that, the railway truck of described railway truck according to any one of claim 2 to 5.

7. shipping loading and unloading system according to claim 6, is characterized in that, described supporting part (20) has the raised position being positioned at sustained height with described platform.

8. shipping loading and unloading system according to claim 7, it is characterized in that, (10) have relief portion with described underframe, described shipping loading and unloading system also comprises hydraulic efficiency pressure system, described hydraulic efficiency pressure system comprises hydraulic actuating cylinder (50) and is arranged on the bearing support portion (60) on described hydraulic actuating cylinder (50), described bearing support portion (60) is corresponding with described relief portion position, the cylinder body of described hydraulic actuating cylinder (50) is fixed on the below of described railway truck, the piston rod of described hydraulic actuating cylinder (50) is connected with described bearing support portion (60), described bearing support portion (60) is matched with described supporting part (20) described supporting part (20) is moved between described recovery position and described raised position.

9. shipping loading and unloading system according to claim 8, is characterized in that, described bearing support portion (60) has roller, and described roller matches with described supporting part (20).

10. shipping loading and unloading system according to claim 9, is characterized in that, described underframe (10) is concave bottom frame.

11. shipping loading and unloading system according to claim 10, it is characterized in that, described concave bottom frame comprises floor (11) and is arranged on the supporting seat (12) at described floor (11) two ends, the transverse width on described floor (11) is less than the transverse width of described supporting part (20), the upper surface of described supporting seat (12) and the underside shape of described supporting part (20) suitable, form described relief portion between described supporting seat (12) and described floor (11).