CN112793611A

CN112793611A - Power bogie for large axle load metallurgical vehicle

Info

Publication number: CN112793611A
Application number: CN202110179060.4A
Authority: CN
Inventors: 周猛; 葛光; 王志伟; 申亮; 韩勇涛; 叶林; 时慧焯
Original assignee: Dalian Huarui Heavy Metallurgy Equipment Manufacturing Co ltd; Dalian Huarui Heavy Industry Group Co Ltd
Current assignee: DALIAN HUARUI HEAVY INDUSTRY COKE OVEN VEHICLE EQUIPMENT CO LTD; Dalian Huarui Heavy Industry Group Co Ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-05-14

Abstract

The invention provides a power bogie for a large axle load metallurgical vehicle, which comprises: the device comprises a framework, wheels, axles, axle boxes, spring groups, axle-hung type speed reducers, couplers, motors, wheel pair limiting plates and traction pull rod seats; the frame comprises two side beams arranged in parallel and a cross beam for connecting the two side beams, the whole frame is in an H-shaped structure, the center part of the cross beam is provided with a center plate structure, two wheels and an axle form a group of wheel pairs, and axle boxes are hung at two ends of the wheel pairs respectively; the lower end of the spring group is seated in a groove preset on two sides of the axle box, the upper end of the spring group is sleeved in a preset sleeve of the framework to form a cushioning structure, a base of the motor is connected to the axle suspension type speed reducer through a bolt, an output shaft of the motor is connected with an input shaft of the axle suspension type speed reducer through a coupler for transmitting the torque of the motor, and the torque is amplified by the axle suspension type speed reducer and then transmitted to an axle so that a vehicle can run on the track; the side bearings are connected to two sides of a cross beam of the framework through bolts and are used for preventing the side turning of the vehicle in the running process.

Description

Power bogie for large axle load metallurgical vehicle

Technical Field

The invention relates to the technical field of metallurgical equipment, in particular to a power bogie of a large axle weight metallurgical vehicle.

Background

The rail type molten iron transport vehicles used at present all adopt a locomotive traction operation mode, a traction locomotive is connected with a molten iron transport vehicle, the traction transport vehicle runs on a rail, and the transport vehicle does not have a running power device.

In iron and steel enterprises, the quantity proportioning mode of a traction locomotive and a molten iron transport vehicle is generally one-to-many, namely one locomotive serves a plurality of molten iron transports, the phenomenon of waiting inevitably occurs during use, and the operation efficiency is limited.

With the rapid development of social economy, the demand of steel is continuously increased, the steel yield of steel enterprises is also improved year by year, the traction operation mode of the traditional locomotive needs to be improved and optimized, the problem that how to improve the operation efficiency of a molten iron transportation vehicle is a non-negligible issue becomes a self-propelled molten iron transportation vehicle, and the self-propelled molten iron transportation vehicle is an effective scheme for solving the problems.

The hot metal transport vehicle is used as large metallurgical vehicle equipment, and has the main characteristics of large axle weight, low speed and compact structure, the axle weight generally reaches 40 tons, the power bogie on the railway is mainly applied to railway passenger cars at present, the power bogie has the characteristics of small axle weight, high speed and large bogie axle distance, the maximum axle weight is about 30 tons, and the axle weight and the structural form can not meet the use requirements of the hot metal transport vehicle, so the development of the power bogie of the large axle weight metallurgical vehicle is a key step for realizing the self running of the vehicle.

Disclosure of Invention

According to the technical problems provided by the invention, the power bogie for the large-axle-weight metallurgical vehicle is provided, the requirements of large axle weight and compact structure of the molten iron transport vehicle are met, and a solution is provided for realizing the self-propelled molten iron transport vehicle.

The technical means adopted by the invention are as follows:

a large axle weight metallurgical vehicle power truck comprising: the traction mechanism comprises a framework, wheels, axles, axle boxes, spring groups, traction pull rods, axle-hung type speed reducers, couplers, motors, torsion bars, side bearings, wheel pair limiting plates and traction pull rod seats;

the frame comprises two side beams arranged in parallel and a cross beam for connecting the two side beams, the whole frame is of an H-shaped structure, and a center plate structure is arranged at the center part of the cross beam and is used for enabling the bogie to rotate around the axis of the center plate when a vehicle turns, so that the over-curve capacity of the bogie is improved;

two wheels and an axle form a group of wheel pairs, and axle boxes are hung at two ends of the wheel pairs respectively;

the lower ends of the spring groups are seated in grooves which are preset on two sides of the axle box, and the upper ends of the spring groups are sleeved in a preset sleeve of the framework to form a cushioning structure.

One end of the traction pull rod is connected with the lower part of the axle box through a pin shaft, and the other end of the traction pull rod is connected with the traction pull rod seat through a pin shaft, so that the traction force and the braking force between the assembly of the wheel shaft and the framework are transferred.

The traction pull rod seat is connected with the framework through bolts.

The axle-hung type speed reducer is sleeved on an axle, and the axle is used as an output shaft of the speed reducer.

The base of the motor is connected to the axle-type speed reducer through a bolt, the output shaft of the motor is connected with the input shaft of the axle-type speed reducer through a coupler and used for transmitting the torque of the motor, the torque is amplified by the axle-type speed reducer and then transmitted to the axle, so that the wheels rotate, and the vehicle is driven to run on the track.

One end of the torsion bar is fixed on the framework by a pin shaft, and the other end of the torsion bar is fixed on the axle-hung type speed reducer by a pin shaft, so that the speed reducer and the axle are prevented from rotating, and the speed reducer can effectively transmit torque.

The side bearings are connected to two sides of a cross beam of the framework through bolts and are used for preventing the side turning of the vehicle in the running process.

The wheel set limiting plate is connected to the end part of the axle box through a bolt and is used for preventing the spring set and the wheel set from falling off when a vehicle runs and the bogie is integrally hoisted.

Compared with the prior art, the invention has the following advantages:

1. the bogie has large bearing capacity, the bearing capacity of a single bogie reaches 90t, the axle weight is 45t, and the requirement of a large-scale metallurgical vehicle on a bogie with large axle weight is met.

2. Compared with a power bogie for a railway passenger car, the structure is simple, the wheelbase is small, and the requirement of compact structure of a metallurgical vehicle is met.

3. The group is the core component of the self-propelled rail transport vehicle, and lays a foundation for the development of the self-propelled molten iron transport vehicle.

4. The bogie fully considers the design rationality of each part during design, and on the premise of meeting the bearing capacity and the operation stability, the bogie is simple in structure and convenient to overhaul and maintain.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the present invention;

fig. 4 is a sectional view taken along line B-B of fig. 2.

In the figure:

1. a frame;

2. a wheel;

3. an axle;

4. an axle box;

5. a spring set;

6. a traction pull rod;

7. a shaft-hung type speed reducer;

8. a coupling;

9. a motor;

10. a torsion bar;

11. a side bearing;

12. a wheel set limiting plate;

13. a traction pull rod seat.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 4, the present invention provides a large axle weight metallurgical vehicle power bogie comprising: the device comprises a framework 1, wheels 2, an axle 3, an axle box 4, a spring group 5, a traction pull rod 6, an axle-hung type speed reducer 7, a coupling 8, a motor 9, a torsion bar 10, a side bearing 11, a wheel set limiting plate 12 and a traction pull rod seat 13;

the frame 1 comprises two side beams arranged in parallel and a cross beam for connecting the two side beams, the whole frame is in an H-shaped structure, and a center part of the cross beam is provided with a center plate structure which has the function that a bogie can rotate around the axis of the center plate when a vehicle turns, so that the curve passing capability of the bogie is improved;

the two wheels 2 and an axle 3 form a group of wheel pairs, and the axle boxes 4 are respectively hung at two ends of the wheel pairs;

the lower end of the spring group 5 is seated in a groove preset on two sides of the axle box 4, and the upper end of the spring group is sleeved in a preset sleeve of the framework 1 to form a cushioning structure, so that the motion performance of the vehicle passing through a curve is improved, and the vibration of the vehicle caused by factors such as uneven tracks in the running process of the vehicle is relieved.

One end of the traction pull rod 6 is connected with the lower part of the axle box 4 by a pin shaft, and the other end is connected with the traction pull rod seat 13 by a pin shaft, and the traction pull rod and the braking force between the assembly of the wheel shaft and the framework are transmitted.

The towing pull rod seat 13 is connected with the framework 1 by bolts.

The axle-hung type speed reducer 7 is sleeved on one axle 3, and the axle 3 is used as an output shaft of the speed reducer.

The base of the motor 9 is connected to the axle-type speed reducer 7 through a bolt, the output shaft of the motor 9 is connected with the input shaft of the axle-type speed reducer 7 through a coupler 8 to transmit motor torque, and the torque is amplified by the axle-type speed reducer 7 and then transmitted to the axle 3 to rotate wheels, so that the vehicle is driven to run on the track.

One end of the torsion bar 10 is fixed on the framework 1 by a pin shaft, and the other end is fixed on the axle-hung type speed reducer 7 by a pin shaft, so that the speed reducer and the axle are prevented from rotating, and the speed reducer can effectively transmit torque.

The side bearings 11 are connected to both sides of the cross beam of the frame 1 by bolts and function to prevent the side turning of the vehicle during operation.

The wheel set limiting plate 12 is connected to the end part of the axle box 4 through a bolt and is used for preventing the spring set 5 and the wheel set from falling off when the vehicle runs and the bogie is integrally hoisted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A large axle load metallurgical vehicle power truck, comprising:

the device comprises a framework (1), wheels (2), an axle (3), an axle box (4), a spring group (5), a traction pull rod (6), a shaft-hung type speed reducer (7), a coupler (8), a motor (9), a torsion bar (10), a side bearing (11), a wheel pair limiting plate (12) and a traction pull rod seat (13);

the framework (1) comprises two side beams arranged in parallel and a cross beam for connecting the two side beams, the whole framework is in an H-shaped structure, and the center part of the cross beam is provided with a center plate structure;

the two wheels (2) and an axle (3) form a group of wheel pairs, and axle boxes (4) are hung at two ends of the wheel pairs respectively;

the lower end of the spring group (5) is seated in a groove preset on two sides of the axle box (4), and the upper end of the spring group is sleeved in a preset sleeve of the framework (1) to form a damping structure;

one end of a traction pull rod (6) is connected with the lower part of the axle box (4) by a pin shaft, the other end of the traction pull rod is connected with a traction pull rod seat 13 by a pin shaft, and the traction pull rod (6) transmits traction force and braking force between the assembly of the wheel shaft and the framework;

the traction pull rod seat (13) and the framework (1) are detachably and fixedly assembled;

the axle-hung type speed reducer (7) is sleeved on one axle (3), and the axle (3) is used as an output shaft of the speed reducer;

the base of the motor (9) is connected to the shaft-hung type speed reducer (7) through a bolt, the output shaft of the motor (9) is connected with the input shaft of the shaft-hung type speed reducer (7) through a coupler (8) and used for transmitting the torque of the motor, the torque is amplified by the shaft-hung type speed reducer (7) and then transmitted to the axle (3), wheels are rotated, and accordingly the vehicle is driven to run on the track;

one end of the torsion bar (10) is fixed on the framework (1) by a pin shaft, and the other end is fixed on the axle-hung type speed reducer (7) by a pin shaft;

the side bearings (11) are fixed on two sides of a cross beam of the framework (1);

the wheel set limiting plate (12) is fixed at the end part of the axle box (4).