Power bogie

Abstract

The utility model relates to the technical field of rail car bogies, and discloses a power bogie which comprises a first side frame and a second side frame, a swing bolster is fixedly connected between the inner side of the first side frame and the inner side of the second side frame, the upper surface of the swing bolster is provided with a rotating disc connecting structure, and the lower surface of the swing bolster is fixedly connected with a bearing buffer spring set. And assembling components are arranged on the surfaces of the first side frame and the second side frame. According to the utility model, the assembling component and the assembling frame are matched with the assembling seat and the inserting groove in a clamping manner, so that the quick assembly and disassembly are facilitated, the assembling frame is of an L-shaped steel part structure and can provide larger supporting force and connection stability in a limited space, and the assembling frame is in threaded connection with the assembling seat and the inserting groove through bolts; the assembly is convenient to adjust the assembly precision, firm in connection and capable of bearing large external force, the whole assembly provides an installation foundation for a power assembly conveniently, assembly and disassembly are easy, and meanwhile the connection reliability is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of railcar bogie, especially relates to a power bogie. BACKGROUND

[0002] In the field of railway traffic transportation and track engineering operation, the railcar plays a vital role, and the bogie as the key component of the railcar directly affects the running performance, safety and comfort of the vehicle.

[0003] The bogie is one of the most important components in the structure of the rail vehicle, which is assembled with two or more wheel groups by a special frame to form a small car that can directly support the car body, and its main functions include force transmission, buffering, steering, braking, driving, etc., and it is used for supporting the car body, bearing and transmitting various forces between the car body and the wheel or between the wheel and the car body, and evenly distributing the axle load, and its performance directly determines the stability and ride comfort of the vehicle.

[0004] The power bogie in the prior art realizes the basic assembly of the power assembly, but it usually adopts complex welding or single fixing mode, which easily causes low installation efficiency, difficult disassembly for later maintenance, poor connection stability, and difficulty in adapting to external force impact under complex working conditions, thereby affecting the overall performance and service life of the bogie, and the use is not convenient, and therefore a power bogie is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a power bogie, which aims to solve the problems in the prior art that the complex welding or single fixing mode easily causes low installation efficiency, difficult disassembly for later maintenance, poor connection stability, and difficulty in adapting to external force impact under complex working conditions, thereby affecting the overall performance and service life of the bogie.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a power bogie, comprising a first side frame and a second side frame, a rocker is fixedly connected between the inner sides of the first side frame and the second side frame, a turntable connecting structure is arranged on the upper surface of the rocker, a load-bearing buffer spring group is fixedly connected to the lower surface of the rocker, and an assembly component is arranged on the surface of the first side frame and the second side frame.

[0007] The assembly component comprises an assembly groove and an insertion groove, the assembly groove is arranged on the surface of the first side frame and the second side frame, the insertion groove is arranged on the surface of the first side frame and the second side frame, an assembly seat is fixedly connected to the inner wall of the assembly groove, an assembly frame is movably connected between the assembly seat and the insertion groove, a clamping block is fixedly connected to the inner wall of the assembly groove, and a power assembly is arranged between the assembly groove and the assembly frame.

[0008] As a further description of the above technical solutions:

[0009] The assembly frame is an L-shaped steel structure, and the assembly frame is connected with the assembly seat and the plug-in groove by bolts.

[0010] As a further description of the above technical solutions:

[0011] The power assembly comprises a speed reducer, the upper surface of the speed reducer is connected to the upper surface of the assembly groove, and the lower surface of the speed reducer is connected to the upper surface of the assembly frame.

[0012] As a further description of the above technical solutions:

[0013] The surface of the speed reducer is fixedly connected with a clamping seat, and the inner wall of the clamping seat is movably connected to the outer wall of the clamping block.

[0014] As a further description of the above technical solutions:

[0015] The input end of the speed reducer is fixedly connected with a motor, and the output end of the speed reducer is fixedly connected with a rotating shaft.

[0016] As a further description of the above technical solutions:

[0017] The speed reducer is provided with two, the two speed reducers are mirror images along the central axis of the rotating shaft, and the outer side of the rotating shaft is fixedly connected with a rail wheel.

[0018] As a further description of the above technical solutions:

[0019] The rail wheel is provided with two, and the two rail wheels are mirror images along the central axis of the rotating shaft.

[0020] As a further description of the above technical solutions:

[0021] The bearing buffer spring group is provided with two, the two bearing buffer spring groups are mirror images along the central axis of the bolster, the lower surface of one of the bearing buffer spring groups is fixedly connected to the inner surface of the first side frame, and the lower surface of the other bearing buffer spring group is fixedly connected to the inner surface of the second side frame.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, through the assembly component, the assembly frame is cooperated with the assembly seat and the plug-in groove through the clamping mode, and the quick installation and disassembly are facilitated, the assembly frame is L type steel structure, can provide larger supporting force and connecting stability in the limited space, the bolt thread connection between the assembly frame and the assembly seat and the plug-in groove is adopted, the assembly precision is convenient to adjust, the connection is firm, can bear larger external force, the whole component is convenient to provide the installation foundation for the power component, easy to assemble and disassemble, and the reliability of the connection is guaranteed.

[0024] 2. In the utility model, through the power component, the motor is used as the power source, and converts the electric energy into the mechanical energy to provide the initial power for the speed reducer, the two symmetrical speed reducers ensure the balanced power output, the track wheel runs more stably, and the motor is installed outside the track wheel, so that the maintenance and repair are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is an overall three-dimensional schematic view of the power bogie.

[0026] Figure 2 It is an overall side view structural schematic view of the power bogie.

[0027] Figure 3 It is a structural schematic view of the first side frame, the second side frame, the bolster, the bearing buffer spring group and the assembly component of the power bogie.

[0028] Figure 4 It is a structural schematic view of the bolster and the power component of the power bogie.

[0029] LEGEND:

[0030] 1, first side frame; 2, second side frame; 3, bolster; 4, rotary disc connecting structure; 5, bearing buffer spring group; 6, assembly component; 61, assembly groove; 62, plug-in groove; 63, assembly seat; 64, assembly frame; 65, clamping block; 7, power component; 71, speed reducer; 72, clamping seat; 73, motor; 74, rotating shaft; 75, track wheel. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] REFERENCE Figures 1-3The utility model provides an embodiment: a power bogie, including first side frame 1, second side frame 2, first side frame 1 and second side frame 2 are as the basic frame structure of bogie, provide the basic support and connecting carrier for bogie, bear the weight of vehicle and transfer to wheel pair, the inside fixed connection of first side frame 1, second side frame 2 between has the bolster 3, the bolster 3 connects both side frames, and the load of the upper portion of vehicle is evenly distributed to both side frames and wheel pair, simultaneously when the vehicle passes through curve, the relative motion of both side frames is coordinated, guarantee the stability of vehicle operation, the upper surface of bolster 3 is equipped with the rotary disc connection structure 4, the rotary disc connection structure 4 is used for with the car body connection, allows the relative rotation between car body and bogie, makes vehicle can smoothly pass through curve, the lower surface fixed connection of bolster 3 has the load buffer spring group 5, the load buffer spring group 5 is equipped with two, two load buffer spring groups 5 along the central axis mirror image of bolster 3 are arranged, the lower surface of one of load buffer spring groups 5 is fixedly connected to the inner surface of first side frame 1, and the lower surface of another load buffer spring group 5 is fixedly connected to the inner surface of second side frame 2, and the load buffer spring group 5 of symmetrical arrangement can guarantee that bogie is balanced, avoids the abnormal wear or unstable operation caused by uneven stress, and the damping effect of spring group is transmitted to the entire bogie structure by being connected with side frame, the surface of first side frame 1, second side frame 2 is provided with assembly component 6, and assembly component 6 includes assembly slot 61, insert groove 62, and assembly slot 61 and insert groove 62 provide mounting space and positioning reference for assembly frame 64 parts, and assembly slot 61 is opened in the surface of first side frame 1, second side frame 2, and insert groove 62 is arranged on the surface of first side frame 1, second side frame 2, and the setting position of assembly slot 61 and insert groove 62 is clear, facilitating component installation and positioning, the inner wall of assembly slot 61 is fixedly connected with assembly seat 63, and assembly seat 63 is used to be connected with assembly frame 64, and provides support and fixing point for assembly frame 64, and assembly seat 63, insert groove 62 are movably connected with assembly frame 64, and assembly frame 64 is L-shaped steel structure, and the assembly frame 64 of L-shaped steel structure can provide greater support force and connection stability in limited space, and assembly frame 64 is connected with assembly seat 63, insert groove 62 by bolt thread connection, and bolt thread connection mode is convenient for adjusting assembly precision, and the connection is firm, can bear greater external force, and the inner wall of assembly slot 61 is fixedly connected with clamping block 65, and clamping block 65 is used to cooperate with the clamping seat 72 of power assembly 7, realizes the positioning and fixation of power assembly 7.

[0033] Refer to Figure 1 , Figure 3 and Figure 4The power assembly 7 is arranged between the assembly groove 61 and the assembly frame 64, the power assembly 7 is a core component for realizing power driving of the bogie, provides power for the track wheel 75, the power assembly 7 comprises a speed reducer 71, the speed reducer 71 is used for reducing the rotating speed of the motor 73 and increasing the torque, so that the output power meets the operation requirement of the track wheel 75, the upper surface of the speed reducer 71 is connected to the upper surface of the assembly groove 61 in a close manner, the lower surface of the speed reducer 71 is connected to the upper surface of the assembly frame 64 in a close manner, the close connection mode guarantees the stability of the installation of the speed reducer 71, so that the speed reducer 71 does not shake in the operation process, the surface of the speed reducer 71 is fixedly connected with a clamping seat 72, the inner wall of the clamping seat 72 is movably clamped to the outer wall of the clamping block 65, the clamping seat 72 cooperates with the clamping block 65 in the inner wall of the assembly groove 61, further fixes the speed reducer 71, and prevents the speed reducer 71 from being displaced in the working process, the movable clamping facilitates installation and disassembly, and guarantees the tightness and stability of the connection, the input end of the speed reducer 71 is fixedly connected with the motor 73, the motor 73 serves as a power source, converts electric energy into mechanical energy, and provides initial power for the speed reducer 71, the output end of the speed reducer 71 is fixedly connected with a rotating shaft 74, the rotating shaft 74 is used for transmitting the power output by the speed reducer 71, and drives the track wheel 75 to rotate, the speed reducer 71 is provided with two, and the two speed reducers 71 are arranged in a mirror image along the central axis of the rotating shaft 74, the two speed reducers 71 arranged in a symmetrical mode can guarantee the balance of power output, so that the track wheel 75 runs more stably, and the outer side of the rotating shaft 74 is fixedly connected with the track wheel 75, the track wheel 75 is provided with two, and the two track wheels 75 are arranged in a mirror image along the central axis of the rotating shaft 74, the track wheel 75 is a component directly contacting the vehicle and the track, realizes the running of the vehicle under the driving of the rotating shaft 74, and the two track wheels 75 arranged in a symmetrical mode guarantee that the vehicle is uniformly stressed when running on the track, and the stability and safety of the vehicle running are improved.

[0034] Working principle: when the bogie works, the motor 73 serves as a power source, converts electric energy into mechanical energy, and inputs power into the speed reducer 71, after the rotating speed is reduced and the torque is increased, the power is transmitted to the track wheel 75 through the rotating shaft 74, the track wheel is driven to rotate, the first side frame 1 and the second side frame 2 form a basic frame, bear the weight of the vehicle and transmit the weight to the wheel set, the bolster 3 connects the two side frames, uniformly distributes the load and coordinates the movement of the two side frames when running in a curve, the rotating disc connecting structure 4 enables the vehicle body and the bogie to relatively rotate, guarantees smooth turning of the vehicle, the two symmetrically arranged bearing buffer spring groups 5 are installed between the bolster 3 and the side frame, buffer the track impact force, and ensure that the bogie is balanced in stress, the assembly frame 64 in the assembly assembly 6 is connected with the side frame through the assembly seat 63 and the plug-in groove 62, and provides a stable installation basis for the power assembly 7, the clamping block 65 cooperates with the clamping seat 72, further fixes the speed reducer 71, and guarantees stable power transmission.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A powered bogie comprising a first side frame (1), a second side frame (2), characterized in that: The first side frame (1), the second side frame (2) are fixedly connected with a rocker (3) between the inner sides, the upper surface of the rocker (3) is provided with a rotary disc connecting structure (4), the lower surface of the rocker (3) is fixedly connected with a bearing buffer spring group (5), the surfaces of the first side frame (1), the second side frame (2) are provided with an assembly component (6); The assembly component (6) comprises an assembly groove (61) and an insertion groove (62), the assembly groove (61) is arranged on the surface of the first side frame (1) and the second side frame (2), the insertion groove (62) is arranged on the surface of the first side frame (1) and the second side frame (2), the inner wall of the assembly groove (61) is fixedly connected with an assembly seat (63), the assembly seat (63) and the insertion groove (62) are movably connected with an assembly frame (64), the inner wall of the assembly groove (61) is fixedly connected with a clamping block (65), and the assembly groove (61) and the assembly frame (64) are provided with a power component (7).

2. A powered trolley as claimed in claim 1 wherein: The assembly frame (64) is in an L-shaped steel structure, and the assembly frame (64) is connected with the assembly seat (63) and the insertion groove (62) through bolts.

3. A power truck as claimed in claim 1, wherein: The power component (7) comprises a speed reducer (71), the upper surface of the speed reducer (71) is connected to the upper surface of the assembly groove (61), and the lower surface of the speed reducer (71) is connected to the upper surface of the assembly frame (64).

4. A power truck as claimed in claim 3, wherein: The surface of the speed reducer (71) is fixedly connected with a clamping seat (72), and the inner wall of the clamping seat (72) is movably connected to the outer wall of the clamping block (65).

5. A power truck as claimed in claim 4, wherein: The input end of the speed reducer (71) is fixedly connected with a motor (73), and the output end of the speed reducer (71) is fixedly connected with a rotating shaft (74).

6. A power truck as claimed in claim 5, wherein: The speed reducer (71) is provided with two, and the two speed reducers (71) are mirror image arranged along the central axis of the rotating shaft (74), and the outer side of the rotating shaft (74) is fixedly connected with a track wheel (75).

7. A power truck as claimed in claim 6, characterized in that: The track wheel (75) is provided with two, and the two track wheels (75) are mirror image arranged along the central axis of the rotating shaft (74).

8. A power truck as claimed in claim 1, wherein: The bearing buffer spring group (5) is provided with two, and the two bearing buffer spring groups (5) are mirror image arranged along the central axis of the rocker (3), wherein the lower surface of one of the bearing buffer spring groups (5) is fixedly connected to the inner surface of the first side frame (1), and the lower surface of the other bearing buffer spring group (5) is fixedly connected to the inner surface of the second side frame (2).

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