CN221213992U - High-speed lightweight bogie for six-axle freight locomotive - Google Patents
High-speed lightweight bogie for six-axle freight locomotive Download PDFInfo
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- CN221213992U CN221213992U CN202323168945.8U CN202323168945U CN221213992U CN 221213992 U CN221213992 U CN 221213992U CN 202323168945 U CN202323168945 U CN 202323168945U CN 221213992 U CN221213992 U CN 221213992U
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 50
- 230000035939 shock Effects 0.000 claims abstract description 44
- 239000006096 absorbing agent Substances 0.000 claims abstract description 43
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model relates to the technical field of locomotive bogies, and discloses a high-speed lightweight bogie for a six-axis freight locomotive. The high-speed lightweight bogie comprises a framework, a wheel set driving device, a low-position single traction rod, a primary suspension, a secondary shock absorber and a secondary high-round spring. The wheel set driving device is positioned at the bottom of the framework; one end of the low-level single traction rod is arranged on a traction seat of the six-axis freight locomotive, and the other end of the low-level single traction rod is rotatably connected to the side part of the framework; the lower part of the primary suspension is arranged on the wheel set driving device, and the upper part is connected with the framework to support the framework; the secondary shock absorber is arranged on the framework and is arranged on a shock absorber seat of the six-axle freight locomotive; the second high round spring is arranged on the upper part of the framework and is connected with a spring seat of the six-axis freight locomotive. The high-speed lightweight bogie is used for solving the problem of bogie lightweight of six-axis freight locomotives and improving the running speed.
Description
Technical Field
The application relates to the technical field of locomotive bogies, in particular to a high-speed lightweight bogie for a six-axis freight locomotive.
Background
Currently, six-axle freight locomotives have a highest operating speed rating of 120km/h. In order to increase the operating speed of a six-axle freight locomotive without changing the structure of the locomotive body, a novel bogie must be adopted. At present, a gear hollow shaft bogie exists, and the technical scheme is that the gear hollow shaft bogie is based on a gear hollow shaft structure. The traction device adopts a center pin for traction, and the secondary suspension adopts a rubber pile structure. The 2-axis bogie cannot be mounted on a six-axis freight locomotive vehicle, and the purpose of improving the speed grade on the existing six-axis freight locomotive by only replacing the bogie cannot be achieved.
Based on this, a technical solution for a high-speed lightweight bogie for a six-axle freight locomotive is urgently needed to solve the above-mentioned problems.
Disclosure of utility model
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
In view of the deficiencies of the prior art, embodiments of the present disclosure provide a high speed lightweight truck for a six-axis freight locomotive to address the problem of truck weight reduction and increase operating speed for six-axis freight locomotives.
The disclosed embodiments provide a high speed lightweight truck for a six-axle freight locomotive, comprising: a framework, a wheel set driving device, a low-level single traction rod, a primary suspension, a secondary shock absorber and a secondary high-round spring. The wheel set driving device is positioned at the bottom of the framework; one end of the low-level single traction rod is arranged on a traction seat of the six-axis freight locomotive, and the other end of the low-level single traction rod is rotatably connected to the side part of the framework; the lower part of the primary suspension is arranged on the wheel set driving device, and the upper part of the primary suspension is connected with the framework to support the framework; the secondary shock absorber is arranged on the framework and is arranged on a shock absorber seat of the six-axle freight locomotive; the secondary high round spring is arranged at the upper part of the framework and is connected with a spring seat of the six-axis freight locomotive.
In the above preferable technical solution for the high-speed lightweight bogie of the six-axle freight locomotive, the wheel set driving device is a pinion hollow shaft driving structure.
In the above preferred technical solution for the high-speed lightweight bogie of the six-axle freight locomotive, the number of wheel set driving devices is 3, and the wheel set driving devices are respectively located at the front, middle and rear of the framework.
In the above preferred technical solution for a high-speed lightweight bogie for a six-axle freight locomotive, the high-speed lightweight bogie further includes: and the suspension bracket is arranged on the framework and used for supporting the wheel set driving device.
In the above preferred technical solution for a high-speed lightweight bogie for a six-axle freight locomotive, the high-speed lightweight bogie further includes: the suspension rod is arranged on the framework and used for supporting the gear box, and a rotating shaft of the gear box is connected with the wheel set driving device.
In the above preferable technical solution of the high-speed lightweight bogie for a six-axle freight locomotive, the wheel set driving device includes a wheel set, one side of the wheel set, which is close to the gear box, is provided with an anti-slip brake unit, and the other side of the wheel set is provided with a conventional brake unit.
In the above preferred technical solution for the high-speed lightweight bogie of the six-axle freight locomotive, the low-level single traction rod is of a detachable structure, the length of the low-level single traction rod is 3095mm, and the traction height is 222mm.
In the above preferred technical solution for a high-speed lightweight bogie for a six-axle freight locomotive, the secondary shock absorber includes a secondary vertical shock absorber, a secondary transverse shock absorber and an anti-hunting shock absorber, and the secondary vertical shock absorber, the secondary transverse shock absorber and the anti-hunting shock absorber are respectively disposed on the frame and mounted on a shock absorber seat of the six-axle freight locomotive.
In the above preferred technical solution for a high-speed lightweight bogie for a six-axle freight locomotive, the two groups of high-circle springs are respectively arranged on the frameworks at two sides of the low-level single traction rod, and the span between the two groups of high-circle springs is 2050mm.
In the above preferred technical solution for a high-speed lightweight bogie for a six-axle freight locomotive, each group of two-way high round springs includes 3 high round springs, and the distance between adjacent high round springs is 360mm.
The high-speed lightweight bogie for the six-axis freight locomotive provided by the embodiment of the disclosure can realize the following technical effects:
The wheel set driving device of the high-speed lightweight bogie adopts a pinion hollow shaft driving structure, so that the weight is reduced. Vibration between the bogie and the vehicle is reduced through a single traction structure, a secondary vertical shock absorber, a secondary transverse shock absorber, an anti-meandering shock absorber and the like, and the running speed of the six-axis freight locomotive is improved.
The high-speed lightweight bogie is reasonably matched with a wheel set driving and traction mode, and suspension devices are reasonably arranged, so that the bogie has a high-speed lightweight structure and can be mounted on a six-axis freight locomotive, and the speed grade is increased to 160-200 km/h.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
FIG. 1 illustrates a schematic view of a high speed lightweight truck for a six-axle freight locomotive provided by the present utility model;
FIG. 2 shows an assembled schematic view of the wheel set, anti-slip brake unit and conventional brake unit provided by the present utility model;
fig. 3 shows a schematic view of the cooperation of the wheel set driving device and the gear box provided by the utility model.
Reference numerals:
1. A frame;
2. wheel set driving device; 21. a wheel set; 22. an anti-slip braking unit; 23. a conventional brake unit;
3. a low single traction rod;
4. A series of suspensions;
5. A secondary shock absorber; 51. two-system vertical vibration dampers; 52. two-system transverse vibration dampers; 53. anti-hunting vibration damper;
6. Two high round springs;
7. a hanging frame;
8. A boom;
9. And a gear box.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are, for example, capable of operation in connection with other embodiments. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.
In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.
The term "plurality" means two or more, unless otherwise indicated.
It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.
As shown in fig. 1-3, embodiments of the present disclosure provide a high speed lightweight truck for a six-axle freight locomotive, comprising: the wheel set driving device comprises a framework 1, a wheel set driving device 2, a low-position single traction rod 3, a primary suspension 4, a secondary shock absorber 5 and a secondary high-round spring 6. The wheel set driving device 2 is located at the bottom of the frame 1. One end of the low-level single traction rod 3 is arranged on a traction seat of the six-axis freight locomotive, and the other end is rotatably connected to the side part of the framework 1. The lower part of the primary suspension 4 is arranged on the wheel set driving device 2, and the upper part is connected with the framework 1. The secondary shock absorber 5 is arranged on the framework 1 and is mounted on a shock absorber seat of the six-axle freight locomotive. The secondary high round spring 6 is arranged at the upper part of the framework 1 and is connected with a spring seat of the six-axle freight locomotive.
Specifically, the bogie adopts a CO-axis type triaxial bogie. In order to match a six-axle freight locomotive type electric locomotive vehicle, a traction mode needs to adopt a low-position single traction rod structure. The frame 1 is a rectangular frame structure. The short side of the frame 1 is detachably connected with a low-level single traction rod 3, and the low-level single traction rod 3 can rotate around the frame 1. The middle part of the top side of the framework 1 is symmetrically provided with two high round springs 6 along the long side. The bottom of the frame 1 is provided with a wheel set drive 2. The long side is also provided with a secondary shock absorber 5. A primary suspension 4 can connect the frame 1 and the wheel set drive 2 to effect transmission of force. The vibration between the wheels and the track is lightened, and the running comfort and safety of the rolling stock are improved.
In a preferred embodiment of the application, the wheel set drive 2 is a pinion hollow shaft drive.
Specifically, the wheel set driving device 2 adopts a pinion hollow shaft driving structure to realize the weight reduction of the bogie.
In a preferred embodiment of the application, the number of wheel set drives 2 is 3, and they are located at the front, middle and rear of the frame 1, respectively.
Specifically, the frame 1 is divided into three frame parts, each of which is provided with a wheel set driving device 2.
As shown in fig. 3, in a preferred embodiment of the present application, the high-speed lightweight bogie further includes: and the suspension bracket 7 is arranged on the framework 1 and used for supporting the wheel set driving device 2.
Specifically, the hanger 7 is of a tapered structure that does not interfere with the rotation shaft-fixed wheel-set driving device 2.
As shown in fig. 3, in a preferred embodiment of the present application, the high-speed lightweight bogie further includes: a boom 8 and a gear box 9, the boom 8 being provided on the frame 1 for supporting the gear box 9, the rotation axis of the gear box 9 being connected to the wheel set drive 2.
Specifically, the boom 8 is fixed to the frame 1 so as to support the housing of the gearbox 9. The gearbox 9 in turn transmits the force of the wheel set drive 2.
As shown in fig. 2, in a preferred embodiment of the present application, the wheel set driving device 2 includes a wheel set 21, one side of the wheel set 21 near the gear box 9 is provided with an anti-slip brake unit 22, and the other side of the wheel set 21 is provided with a conventional brake unit 23.
Specifically, each wheel set driving device 2 includes one wheel set 21. The wheel set 21 comprises two wheels, one of which is close to the gear box 9, on which an anti-slip brake unit 22 is arranged, which can be used to balance the left and right wheel weight differences, preventing slipping due to tilting. The other side of the wheel set 21 is provided with a conventional brake unit 23 for normal braking action.
In the preferred technical scheme of the application, the low-level single traction rod 3 is of a detachable structure, the length of the low-level single traction rod 3 is 3095mm, and the traction height is 222mm.
Specifically, one end of the low-level single traction rod 3 is connected with a traction seat of the six-axle freight locomotive, and the other end is connected with the framework 1. The length and the height of the low-level single traction rod 3 are matched with the traction mode of the low-level single traction rod, so that the speed of six-axis freight rolling stock can be improved.
As shown in fig. 1, in a preferred embodiment of the present application, the secondary shock absorber 5 includes a secondary vertical shock absorber 51, a secondary lateral shock absorber 52 and an anti-hunting shock absorber 53, and the secondary vertical shock absorber 51, the secondary lateral shock absorber 52 and the anti-hunting shock absorber 53 are respectively provided on the frame 1 and mounted on a shock absorber mount of a six-axle freight car.
Specifically, two lateral dampers 52 are provided on one of the two long sides of the frame 1, and two vertical dampers 51 and an anti-hunting damper 53 are provided on the other side. Which in combination can mitigate shock between the bogie and the vehicle.
As shown in fig. 1, in the preferred embodiment of the present application, two groups of two high round springs 6 are respectively arranged on the frames 1 at both sides of the low-level single traction rod 3, and the span between the two groups of two high round springs 6 is 2050mm. Each group of the secondary high round springs 6 comprises 3 high round springs, and the distance between every two adjacent high round springs is 360mm.
Specifically, the secondary high round spring 6 is a conventional vehicle spring. The distance between adjacent high round springs may also be other values such as 330mm,300mm, etc. The axle distance of the bogie needs to be maintained at 1950mm+1850mm, and good dynamics performance and curve passing performance are maintained after six-axle freight rolling stock is assembled.
The wheel set driving device of the high-speed lightweight bogie adopts a pinion hollow shaft driving structure, so that the weight is reduced. Vibration between the bogie and the vehicle is reduced through the single traction structure 3, the secondary vertical shock absorber 51, the secondary transverse shock absorber 52, the anti-meandering shock absorber 53 and the like, and the running speed of the six-axis freight locomotive is improved.
The high-speed lightweight bogie is reasonably matched with a wheel set driving and traction mode, and suspension devices are reasonably arranged, so that the bogie has a high-speed lightweight structure and can be mounted on a six-axis freight locomotive, and the speed grade is increased to 160-200 km/h.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than that disclosed in the description, and sometimes no specific order exists between different operations or steps. For example, two consecutive operations or steps may actually be performed substantially in parallel, they may sometimes be performed in reverse order, which may be dependent on the functions involved. Each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A high speed lightweight truck for a six-axle freight locomotive, comprising:
A frame;
the wheel set driving device is positioned at the bottom of the framework;
One end of the low-level single traction rod is arranged on a traction seat of the six-axis freight locomotive, and the other end of the low-level single traction rod is rotatably connected to the side part of the framework;
A primary suspension, the lower part of the primary suspension is arranged on the wheel set driving device, and the upper part of the primary suspension is connected with the framework;
A secondary shock absorber disposed on the frame and mounted to a shock absorber mount of the six-axle freight locomotive;
The secondary high round spring is arranged at the upper part of the framework and is connected with the spring seat of the six-axis freight locomotive.
2. The high speed, lightweight truck of claim 1 wherein said wheel set drive is a pinion hollow shaft drive configuration.
3. A high speed lightweight truck as claimed in claim 2, wherein the wheel set drives are 3 and are located at the front, middle and rear of the frame respectively.
4. A high speed, lightweight truck according to claim 3, further comprising: and the suspension bracket is arranged on the framework and used for supporting the wheel set driving device.
5. The high speed, lightweight truck of claim 4 further comprising: the suspension rod is arranged on the framework and used for supporting the gear box, and a rotating shaft of the gear box is connected with the wheel set driving device.
6. The high speed, lightweight truck of claim 5 wherein said wheel set drive comprises a wheel set having an anti-slip brake unit disposed on one side of said wheel set adjacent said gear box and a conventional brake unit disposed on the other side of said wheel set.
7. The high speed, lightweight truck of claim 1 wherein the low single tow bar is a detachable construction, the low single tow bar being 3095mm long and 222mm high.
8. The high speed, lightweight truck of claim 1 wherein said secondary shock absorber comprises a secondary vertical shock absorber, a secondary transverse shock absorber and an anti-hunting shock absorber, said secondary vertical shock absorber, said secondary transverse shock absorber and said anti-hunting shock absorber being respectively disposed on said frame and mounted to a shock absorber mount of said six-axle freight locomotive.
9. The high-speed lightweight bogie according to claim 1, wherein the two groups of high-round springs are respectively arranged on the frameworks at two sides of the low-level single traction rod, and a span between the two groups of high-round springs is 2050mm.
10. The high speed, lightweight truck of claim 8 wherein each set of said secondary high round springs comprises 3 high round springs, the distance between adjacent high round springs being 360mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323168945.8U CN221213992U (en) | 2023-11-22 | 2023-11-22 | High-speed lightweight bogie for six-axle freight locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323168945.8U CN221213992U (en) | 2023-11-22 | 2023-11-22 | High-speed lightweight bogie for six-axle freight locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221213992U true CN221213992U (en) | 2024-06-25 |
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ID=91543291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323168945.8U Active CN221213992U (en) | 2023-11-22 | 2023-11-22 | High-speed lightweight bogie for six-axle freight locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221213992U (en) |
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2023
- 2023-11-22 CN CN202323168945.8U patent/CN221213992U/en active Active
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