WO2023273180A1

WO2023273180A1 - Locomotive unit, freight locomotive, and freight locomotive management method

Info

Publication number: WO2023273180A1
Application number: PCT/CN2021/137110
Authority: WO
Inventors: 樊运新; 周安德; 肖典喜; 谢红兵; 陈三猛; 马丽丽
Original assignee: 中车株洲电力机车有限公司
Priority date: 2021-06-30
Filing date: 2021-12-10
Publication date: 2023-01-05
Also published as: CN113401154A; CN113401154B

Abstract

A locomotive unit and a corresponding freight locomotive and a freight locomotive management method. The locomotive unit (100) comprises a control vehicle (10), a power vehicle (20), and a first connecting mechanism (30); one end of the control vehicle (10) is connected to the power vehicle (20) by means of the first connecting mechanism (30); the control vehicle (10) comprises a control vehicle body (13), a non-power bogie (14), and a first container locking device (40); and the power vehicle (20) comprises a power vehicle body (24), a power bogie (23), and a second container locking device (50). By means of the locomotive unit, the axle load of the locomotive is reduced, and the axle load and traction performance of the locomotive can be adjusted by means of the weight of self-loaded goods; and by means of the freight locomotive management method, flexible and rapid goods transportation can be achieved.

Description

Locomotive unit, freight locomotive and freight locomotive management method

technical field

The invention relates to the technical field of locomotives, in particular to a locomotive unit, a freight locomotive and a management method for a freight locomotive.

Background technique

With the global coverage of mobile Internet consumption and the vigorous development of the express transportation industry, some express delivery companies use air transportation, and domestic high-speed rail lines have also launched special freight trains. When it comes to goods with high timeliness requirements, it is difficult to concentrate the goods. The existing freight locomotives have large traction capacity, high energy consumption, and fixed axle loads. They cannot adapt to different routes at the same time, and cannot meet the requirements of fast freight transportation.

Contents of the invention

The object of the present invention is to propose a locomotive unit, which can meet the requirements of fast cargo transportation on different lines with changing axle load values.

Based on the above purpose, the present invention provides a locomotive unit, including a control car, a power car, and a first connection mechanism, one end of the control car is connected to the power car through the first connection mechanism, and the control car includes a control car Vehicle body, non-power bogie, first container locking device, the non-power steering is installed on the underframe of the control vehicle body, and the first container locking device is arranged on the control vehicle body On the upper end face, the power vehicle includes a power vehicle body, a power steering frame, and a second container locking device. The power steering is erected on the chassis of the power vehicle body, and the second container locking device is set on the upper end surface of the power vehicle body.

The invention adopts a locomotive unit composed of a control car and a power car. Containers can be placed above the locomotive unit through a container locking device. The locomotive unit has different self-loaded goods and different axle loads to meet the requirements of different lines and different axle loads. , to meet the requirements of fast cargo transportation. The body structure of the control car and the power car of the present invention is a flat structure, the control car retains the driver's cab, the main equipment is installed under the car, and the container can be installed on the car through the container lock seat.

As an optional implementation, there are several first container locking devices, symmetrically distributed on both sides of the upper end of the control vehicle body; there are several second container locking devices, symmetrically distributed on The two sides of the upper end of the vehicle body of the power vehicle. Preferably, there are 12 first container locking devices, symmetrically distributed on both sides of the upper end of the control vehicle body, with 6 on one side; 12 second container locking devices, symmetrically distributed on There are 6 on both sides of the upper end of the vehicle body of the power vehicle.

As an optional implementation manner, the first connection mechanism includes a tow bar, and the control car is connected to the power car through the tow bar. The tow bar makes the connection between the control car and the power car stable.

Corresponding to the above-mentioned locomotive unit, a freight locomotive includes the above-mentioned locomotive unit. The freight locomotive includes the above-mentioned locomotive unit, and its axle load is variable, which can adapt to different routes and meet the needs of fast transportation of goods.

As an optional implementation manner, the freight locomotive further includes a trailer and a second connection mechanism, and one end of the trailer is connected to the power vehicle through the second connection mechanism. The weight of self-loading is limited, and depending on the cargo, you can choose whether to have a trailer or not, making the transportation more flexible.

As an optional implementation, the second connection mechanism is an automatic coupler. The connection method with automatic coupler is convenient and simple.

Corresponding to the above-mentioned freight locomotive, the present invention also discloses a freight locomotive management method, which is characterized in that it includes the following steps:

S1: Obtain the axle load information of the transportation line, and calculate the maximum self-loaded weight of the locomotive unit at the same time;

As an optional way, the axle load information can be obtained by recording the number of axles and the wheelbase passing through the locomotive unit through the piezoelectric sensor, and at the same time collecting the pressure dynamic data when the locomotive unit passes, and then calculating the axle load information of the vehicle.

As an optional method, the calculation expressions of the load of each bogie, the load of each carriage and the load of the whole vehicle are respectively:

Mij=k·P/g

Qi＝(Mi1+Mi2+...+Mij)-Mi0

Among them, Mij represents the j-th bogie load of the i-th car, k represents the elastic coefficient, P represents the air spring pressure or spring compression stroke, g represents the gravity coefficient, Qi represents the load of the i-th car, Mi0 represents the i-th car The self-weight, Q represents the load of the whole vehicle, and n represents the number of compartments.

S2: Configure the locomotive unit to self-carry goods, and calculate the maximum traction weight of the locomotive unit according to the actual loading weight;

S3: Select different transport modes according to the ratio of the single transport weight to the maximum traction weight, and the transport modes include single locomotive unit mode, double locomotive unit mode, and batch transport mode.

Further, the specific judgment of the single locomotive unit mode, double locomotive unit mode, and batch mode is

S31: Calculate the ratio of the single transport weight to the maximum traction weight, if the ratio is less than or equal to 1, select a single locomotive unit to tow the goods, and it is a single locomotive unit mode;

S32: Calculate the ratio of the single transport weight to the maximum traction weight, if the ratio is greater than 1, and the ratio is less than or equal to 2, select 2 locomotive units to reconnect the traction goods, which is a double locomotive unit mode;

S33: Calculate the ratio of the single transport weight to the maximum traction weight, if the ratio is greater than 2, select the locomotive unit to haul the goods in batches, which is the batch transportation mode.

The beneficial effects realized by the present invention:

1. The present invention adopts a locomotive unit composed of a control car and a power car, which reduces the axle load of the locomotive itself, and can adjust the axle load and traction performance of the locomotive through the weight of the self-loading goods, which can widely meet the transportation of different routes need;

2. Both the control car and the power car of the locomotive unit of the present invention can be loaded with containers or other goods, and can tow other types of rail vehicles, and can be used as express freight locomotives, shunting locomotives, rescue locomotives, etc., and have a wide range of applications;

3. The management method of a self-carrying freight locomotive disclosed by the present invention first obtains the axle load information of the transportation line, and calculates the maximum traction weight of the locomotive unit, and then according to the difference between the total amount of goods transported and the self-loading weight, the According to the required towing weight, different transportation methods are selected according to the maximum weight of the locomotive unit and the required towing weight, so as to realize flexible and fast cargo transportation and have a wide range of applications.

Description of drawings

Fig. 1 is the composition schematic diagram of locomotive unit of the present invention;

Fig. 2 is the composition schematic diagram of locomotive unit belt trailer of the present invention;

Fig. 3 is the front view of control car of the present invention;

Fig. 4 is the top view of control car of the present invention;

Fig. 5 is the front view of power car of the present invention;

Fig. 6 is the top view of power car of the present invention;

Fig. 7 is a schematic flowchart of the management method of the self-carrying freight locomotive of the present invention.

Among them: 100. Locomotive unit, 10. Control car, 11. Automatic coupler, 12. Current receiving system, 13. Control car body, 14. Non-power steering driver, 15. Battery, 16. Transformer, 17. Braking wind Cylinder, 18, brake module, 19, air compressor; 20, power vehicle, 21, drawbar, 22, brake air cylinder, 23, power steering driver, 24, power vehicle body, 25, main air cylinder, 26. Automatic coupler, 27. Brake module, 28. Converter, 29. Battery; 30. First connection mechanism; 40. First container locking device; 50. Second container locking device; 200. Trailer, 210. The second connection mechanism.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

As shown in Figure 1, the locomotive unit 100 is formed by connecting a control car 10 and a power car 20 through a first connecting mechanism (or drawbar) 30, and the front end of the control car 10 and the rear end of the power car 20 are equipped with an automatic coupler. Meet the needs of multiple vehicles.

As shown in Figures 3-4, the control car includes two 2-axis non-powered bogies 12, a control car body 13 and on-board equipment; the head of the control car body 13 is equipped with a driver's cab, and the frame of the driver's cab is welded to the car body As an integral structure, the roof of the driver's cab is equipped with high-voltage current-receiving equipment such as pantographs and main circuit breakers; the middle parts of the control car 10 and the power car 20 both adopt side beam load-bearing frame mechanisms, and transformers 16 and storage batteries are arranged in the middle of the side beams. 15. Brake module 18, brake air cylinder 17, air compressor 19, waste water tank and other equipment; the upper plane of the control vehicle body 13 is equipped with a fixed and concealable first container lock seat 40, which can be installed in containers and adapted to different The dimensions of the container.

As shown in Figures 5-6, the power car 20 includes two two-axle power bogies 23, a power car body 24 and on-board equipment; Converter 28, charger, battery 29 (the battery can supply power to the container), brake module 27; the main air cylinder 25 is arranged at the end of the upper plane of the power vehicle body 24, and the middle part of the upper plane is equipped with a fixed and concealable second air cylinder. The container lock seat 50 can be mounted on a container and is adapted to the size and specifications of different containers.

As shown in Figures 1 to 6, a locomotive unit 100 disclosed in the present invention includes a control car 10, a power car 20, and a first connection mechanism 30, and one end of the control car 10 is connected to the power through the first connection mechanism 30. The vehicle 20 is, for example, connected by a drawbar 21; the middle of the control vehicle body 13 and the power vehicle body 24 is a side beam bearing frame structure, and the control vehicle 10 includes a control vehicle body 13, a non-power bogie 14, and a first container The locking device 40, the non-power bogie 14 is arranged on the underframe of the control car body 13, and the first container locking device 40 is arranged on the upper end surface of the control car body 13; the power car 20 includes a power car body 24, The power bogie 23 and the second container locking device 50 , the power bogie 23 is arranged on the underframe of the power car body 24 , and the second container locking device 50 is arranged on the upper end surface of the power car body 24 .

As an optional embodiment, there are several first container locking devices 40, which are symmetrically distributed on both sides of the upper end of the control vehicle body 13; there are several second container locking devices 50, which are symmetrically distributed on the power vehicle body. Both sides of the upper end of the body 24. There can be 12 first container locking devices 40, symmetrically distributed on both sides of the upper end of the control vehicle body 13, and 6 on one side; there can be 12 second container locking devices 50, symmetrically distributed on the power vehicle body 24 upper end both sides, one side is 6.

Corresponding to the above-mentioned locomotive unit is a freight locomotive, which includes the above-mentioned locomotive unit. As an optional implementation, the freight locomotive further includes a trailer 200 and a second connection mechanism 210 , and one end of the trailer 200 is connected to the power vehicle 20 through the second connection mechanism 210 . The second connection mechanism may be an automatic coupler 26 .

Corresponding to the above-mentioned freight locomotive, the present invention also discloses a freight locomotive management method, which includes the above-mentioned freight locomotive, and further includes the following steps:

S3: According to the ratio K of the single transport weight and the maximum traction weight, different transport modes are selected, and the transport modes include single locomotive unit mode, double locomotive unit mode, and batch transport mode.

Further, the specific judgment of the no-trailer mode, single locomotive unit mode, double locomotive unit mode, and batch mode is

S31: Calculate the ratio K of the single transport weight and the maximum traction weight, if the ratio K is less than or equal to 1, select a single locomotive unit to haul goods, which is a single locomotive unit mode;

Note that the self-carrying weight of the single locomotive unit mode is equal to the self-carrying weight of the locomotive unit.

S32: Calculate the ratio K of the single transport weight and the maximum traction weight, if the ratio K is greater than 1, and the ratio K is less than or equal to 2, select 2 locomotive units to reconnect the traction goods, which is a double locomotive unit mode;

Note that the self-carrying weight of the double locomotive unit mode is twice the self-carrying weight of the locomotive unit.

S34: Calculate the ratio K of the single transport weight and the maximum traction weight, if the ratio K is greater than 2, select the locomotive unit to pull the goods in batches, which is the batch transportation mode.

It shows that the batch transportation mode can be split into a single locomotive unit mode or a double locomotive unit mode.

Finally, it should be noted that the content of the above-mentioned embodiments should be understood as that these embodiments are only used to illustrate the present invention more clearly, and are not intended to limit the scope of the present invention. After reading the present invention, those skilled in the art will understand the present invention Modifications in various equivalent forms all fall within the scope defined by the appended claims of this application.

Claims

A locomotive unit, characterized by comprising a control car, a power car, and a first connection mechanism, one end of the control car is connected to the power car through the first connection mechanism;

The control car includes a control car body, a non-power bogie, and a first container locking device. The non-power steering is mounted on the underframe of the control car body, and the first container locking device is located on The upper end surface of the control vehicle body;

The power vehicle includes a power vehicle body, a power steering frame, and a second container locking device. The power steering is mounted on the underframe of the power vehicle body, and the second container locking device is arranged on the The upper end surface of the power car body.
The locomotive unit according to claim 1, wherein the upper end surface of the control vehicle body is fixedly connected to a plurality of the first container locking devices, and the upper end surface of the power vehicle body is fixedly connected to a plurality of the first container locking devices. Two container locking devices are several.
The locomotive unit according to claim 2, wherein there are 12 first container locking devices, which are evenly and symmetrically distributed on both sides of the upper end surface of the control vehicle body; the second container locking device There are 12, which are evenly and symmetrically distributed on both sides of the upper end of the vehicle body of the power vehicle.
The locomotive unit according to claim 1, wherein the first connection mechanism is a draw bar, and the control car is connected to the power car through the draw bar.
A freight locomotive, characterized by comprising the locomotive unit according to any one of claims 1-4.
The freight locomotive according to claim 5, further comprising a trailer and a second connection mechanism, one end of the trailer is connected to the power vehicle through the second connection mechanism.
The freight locomotive according to claim 6, wherein the second connecting mechanism is an automatic coupler.
A freight locomotive management method, comprising the freight locomotive according to any one of claims 5 to 7, characterized in that it comprises the following steps:

S1: Obtain the axle load information of the transportation line, and calculate the maximum self-loaded weight of the locomotive unit at the same time;

S2: Configure the locomotive unit to self-carry goods, and calculate the maximum traction weight of the locomotive unit according to the actual loading weight;

S3: Select different transport modes according to the ratio of the single transport weight to the maximum traction weight, and the transport modes include single locomotive unit mode, double locomotive unit mode, and batch transport mode.
The freight locomotive management method according to claim 8, wherein the specific judgment of the single locomotive unit mode, the double locomotive unit mode, and the batch mode is as follows:

S31: Calculate the ratio of the single transport weight to the maximum traction weight, if the ratio is less than or equal to 1, select a single locomotive unit to tow the goods, and it is a single locomotive unit mode;

S32: Calculate the ratio of the single transport weight to the maximum traction weight, if the ratio is greater than 1, and the ratio is less than or equal to 2, select 2 locomotive units to reconnect the traction goods, which is a double locomotive unit mode;

S33: Calculate the ratio of the single transport weight to the maximum traction weight, if the ratio is greater than 2, select the locomotive unit to haul the goods in batches, which is the batch transportation mode.