CN214648290U - Six-axle four-wheel-drive bogie assembly, railway vehicle and railway system - Google Patents

Abstract

The utility model relates to a six-axle four-wheel drive bogie assembly, a rail vehicle and a rail system, which comprises a bogie body, two wheel pairs, four driving gears, two wheel pair driving devices and two gear driving devices; the two wheel pair driving devices are respectively connected with one wheel pair, and every two driving gears are respectively connected with one gear driving device; the axis of the drive gear is perpendicular to the axis of the wheel pair. The utility model adopts six-shaft four-wheel drive, one shaft is damaged and can be automatically changed into driven, and the safety factor is high; the utility model discloses can adjust wheel rail drive, cogged rail driven power ratio according to the road conditions, can realize the optimization of system power configuration, do benefit to and practice thrift the energy consumption.

Description

Six-axle four-wheel-drive bogie assembly, railway vehicle and railway system

Technical Field

The utility model relates to a bogie technical field especially relates to six four-wheel drive bogie assemblies, rail vehicle and rail system.

Background

Bogies are used as devices for supporting and moving a vehicle body on a track, also called running gear, which is a key component of a railway vehicle. The main functions of the medicine are as follows:

1. the load-bearing bears the weight of the upper part of the locomotive, comprises the weight of a locomotive body and various mechanical and electrical equipment arranged in the locomotive body, and transmits the weight to a steel rail through a series of spring suspension devices;

2. force transmission, namely generating traction force and braking force, transmitting the generated traction force and braking force to a car body chassis through a traction device, and finally transmitting the traction force and braking force to a car coupler to realize the traction and braking of a train;

3. buffering (running) -the impact of a line on the locomotive is alleviated in the running of the locomotive, and the running stability of the locomotive is ensured;

4. guiding, under the action of the steel rail, the locomotive is guided to smoothly pass through curves and turnouts, and the safe operation of the locomotive on the curves is ensured.

Patent document CN110435697A discloses a differential wheel-controlled radial bogie, which eliminates the wheel set structure and adopts an independent rotating system to control the rotation of each wheel. However, the differential wheel-controlled radial bogie has high requirements on a control system, if one motor is damaged, the control system cannot make a judgment quickly, wheels are easy to derail, and certain potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem and provide six four wheel-driven bogie assemblies, rail vehicle and rail system.

The utility model discloses a following technical scheme realizes:

the six-shaft four-wheel-drive bogie assembly comprises a bogie body, two wheel pairs, four driving gears, two wheel pair driving devices and two rack rail driving devices;

the two wheel pair driving devices are respectively connected with one wheel pair, and each two driving gears are respectively connected with one of the rack driving devices; the axis of the drive gear is perpendicular to the axis of the wheel pair.

The wheel pair driving device is connected with the wheel pair through a wheel pair driving mechanism.

Furthermore, the wheel set is connected with a brake disc, a brake device is arranged on the bogie body, and the brake device and the brake disc are installed in a non-contact matching mode.

The rack driving device is connected with the driving gear through the rack driving mechanism.

Further, the rack drive mechanism comprises a vertical gear transmission mechanism.

Wherein, the rack driving mechanism is connected with a brake.

Wherein the wheel pair is connected with the bogie body through a primary suspension.

The rail vehicle comprises a vehicle body and the six-axle four-wheel-drive bogie assembly, wherein the vehicle body is connected with the bogie body through a secondary suspension and traction device.

The track system comprises two tracks, a rack and a track vehicle, wherein the wheel pair runs on the two tracks, and the rack is arranged between the two tracks;

the rack comprises two racks arranged on the left and right, and two driving gears connected with the same rack driving device are used for being respectively meshed with one of the racks.

The use method of the track system comprises the steps that a wheel set driving device and a rack rail driving device are connected with a control system; the rotating speed of the motor of each driving device is regulated and controlled according to the gradient, and the coupling and synchronization of the gear driving and the wheel driving are realized through electric control.

Compared with the prior art, the utility model discloses following beneficial effect has:

1, the utility model adopts six-shaft four-wheel drive, one shaft is damaged and can be automatically changed into driven, and the safety factor is high;

2, the utility model can adjust the power ratio of wheel rail driving according to the climbing road condition, realize the optimization of system power configuration and is beneficial to saving energy consumption;

3. the utility model can realize free switching between the running lines of the rack and the non-rack, and solves the problem of low operation efficiency of mountain track traffic;

4. the utility model realizes that the dual power modes of rack rail driving and wheel rail driving are independent and exist in one set of device, thereby reducing the weight of the chassis, having compact structure and being safe and reliable;

5. the utility model discloses rack rail drive and wheel rail drive have all set up independent reliable brake equipment, have ensured the security of operation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.

FIG. 1 is a top view of a six-axle four-wheel drive truck assembly;

FIG. 2 is a bottom view of the six-axle four-wheel drive truck assembly;

FIG. 3 is a top plan view of the cogged rail drive mechanism;

FIG. 4 is a side view of the rack drive mechanism;

FIG. 5 is a schematic structural view of a rail vehicle;

FIG. 6 is a schematic structural view of a track system;

FIG. 7 is a graph of cogged rail power distribution;

in the figure: 1-first wheel pair driving mechanism, 2-first brake, 3-first rack driving mechanism, 4-first rack driving device, 5-wheel pair, 6-first wheel pair driving device, 7-bogie body, 8-traction device, 9-brake device, 10-brake disc, 11-second wheel pair driving mechanism, 12-second brake, 13-second rack driving mechanism, 14-second rack driving device, 15-second wheel pair driving device, 16-first system suspension, 17-second system suspension, 18-rail, 19-driving gear B, 20-line rack, 21-anti-drop cover plate, 22-driving gear A, 23-driving gear D, 24-driving gear C, 25-vehicle body, 26-foundation, 27-first vertical shaft, 28-bidirectional gear shaft, 29-second vertical shaft, 30-wheel pair main shaft, 31-first large bevel gear, 32-rack transmission gear, 33-second large bevel gear, 34-rack motor, 35-large speed reducing mechanism, 36-rack driving gear, 37-rack transverse shaft, 38-gear box body, 39-wheel pair main gear, 40-wheel pair secondary gear, 41-wheel pair secondary shaft, 42-small speed reducing mechanism and 43-wheel pair motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

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, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when in use, or the directions or positional relationships that the persons skilled in the art usually understand, and only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the utility model discloses a six-axle four-wheel-drive bogie assembly, which comprises a bogie body 7 and two traveling mechanisms.

The first traveling mechanism includes: a first wheelset drive device 6, a first wheelset drive mechanism 1, a wheelset 5, a first rack drive device 4, a first rack drive mechanism 3, a drive gear a22 and a drive gear B19;

the drive gear a22 and the drive gear B19 are located between the two wheels of the wheelset 5, and the axes of the drive gear a22 and the drive gear B19 are perpendicular to the axis of the wheelset 5.

The second traveling mechanism includes: a second wheelset drive 15, a second wheelset drive 11, one wheelset 5, a second rack drive 14, a second rack drive 13, a drive gear C24, and a drive gear D23.

The drive gear C24 and the drive gear D23 are located between the two wheels of the wheelset 5, and the axes of the drive gear C24 and the drive gear D23 are perpendicular to the axis of the wheelset 5.

In this embodiment, the two traveling mechanisms are arranged in a mirror image manner by rotating back and forth. The first wheelset drive 6, the second wheelset drive 15, the first rack drive 4 and the second rack drive 14 each comprise an electric motor.

The first wheel pair driving device 6 is connected with the first wheel pair driving mechanism 1, and the first wheel pair driving mechanism 1 is connected with the wheel pair 5 to form a first group of wheel-rail driving system. The second wheel pair driving device 15 is connected with the second wheel pair driving mechanism 11, and the second wheel pair driving mechanism 11 is connected with the wheel pair 5 to form a second group of wheel-rail driving system.

The wheel set 5 is provided with a brake device 9, the brake device 9 is fixedly connected with the bogie body 7, the brake disc 10 is fixedly connected with the wheel set 5, meanwhile, the brake device 9 and the brake disc 10 are installed in a non-contact matched mode, and the driving braking function is achieved through the fastening contact of the brake device 9 and the brake disc 10 in the advancing process.

The first rack drive device 4 is connected to the first rack drive mechanism 3, and the first rack drive mechanism 3 is further connected to the drive gear a22 and the drive gear B19, thereby constituting a first group of rack drive system. The second rack driving device 14 is connected to the second rack driving mechanism 13, and the second rack driving mechanism 13 is further connected to the driving gear C24 and the driving gear D23, thereby forming a second group of rack driving system.

The first brake 2 is connected with the first rack driving mechanism 3, and realizes the braking function of the first group of rack driving systems in the traveling process. The second brake 12 is connected to the second rack drive 13, and performs a braking function of the second group of rack drive systems during travel.

The first traveling mechanism has the following specific structure:

a, wheel pair drive

The structure of the first wheel pair driving mechanism 1 is as follows: the wheel set main gear 39 is fixedly connected with a wheel set main shaft 30 of the wheel set 5, and the wheel set main shaft 30 is connected with the gear box body 38 and the bogie body 7 in an empty sleeve mode;

the wheel pair auxiliary gear 40 is fixedly connected with a wheel pair auxiliary shaft 41, the wheel pair auxiliary shaft 41 is connected with the gear box body 38 in an empty sleeved mode, the wheel pair motor 43 is in key connection with the small speed reducing mechanism 42, the shell is fixedly connected with the shell, the output shaft of the small speed reducing mechanism 42 is in key connection with the wheel pair auxiliary shaft 41, the shell is fixedly connected with the gear box body 38, and meanwhile the wheel pair auxiliary gear 40 is meshed with the wheel pair main gear 39 to form a gear transmission relation.

The wheel set transmission principle is that a wheel set motor 43 drives a small speed reducing mechanism 42 to rotate, the small speed reducing mechanism 42 drives a wheel set auxiliary shaft 41 to rotate so as to drive a wheel set auxiliary gear 40 to rotate, the wheel set auxiliary gear 40 drives a wheel set main gear 30 to rotate, and the wheel set main gear 39 drives a wheel rail main shaft 30 to rotate, so that the rotation of the wheel 5 is finally realized.

Toothed rail drive

In the present embodiment, the first rack drive mechanism 3 and the second rack drive mechanism 13 each include a vertical gear transmission mechanism, and the direction change of the rotational transmission is realized.

Wherein, the first rack driving mechanism 3 has the structure that: the second big bevel gear 33 and the driving gear B19 are both fixedly connected with the first vertical shaft 27, and the first vertical shaft 27 is connected with the gear box body 38 in an empty sleeve mode.

The first large bevel gear 31 and the driving gear A22 are fixedly connected with a second vertical shaft 29, and the second vertical shaft 29 is connected with the gear box body 38 in an empty sleeve manner; the rack transmission gear 32 is fixedly connected with a bidirectional gear shaft 28, and the bidirectional gear shaft 28 is connected with a gear box body 38 in an empty sleeve mode.

The two-way gear shaft 28 has two end bevel teeth respectively engaged with the first big bevel tooth 31 and the second big bevel tooth 10 to form a gear transmission relationship.

The rack driving teeth 36 are fixedly connected with a rack transverse shaft 37, and the rack transverse shaft 37 is connected with a gear box body 38 in an empty sleeve mode. The rack drive teeth 36 are meshed with the rack transmission teeth 32 to form a gear transmission relationship; the rack motor 34 is connected with the big speed reducing mechanism 35 by key, the shell is fixedly connected together, the output shaft of the big speed reducing mechanism 35 is connected with the rack cross shaft 37 by key, and the shell is fixedly connected with the gear box body 38, thereby forming a transmission relation.

The first brake 2 is in key connection with the rack transverse shaft 37 and is fixedly connected with the gear box body 38, so that the brake function is realized in the advancing process.

The rack and pinion transmission principle is that the rack and pinion motor 34 drives the large speed reducing mechanism 35 to rotate, the large speed reducing mechanism 35 drives the rack and pinion driving teeth 36 to rotate, the rack and pinion driving teeth 36 drive the rack and pinion driving teeth 32 to rotate, the rack and pinion 32 and the bidirectional pinion shaft 28 rotate the bidirectional pinion shaft 28 to drive the driving gear A22 and the driving gear B19 to rotate respectively, and the driving gear A22 and the driving gear B19 are meshed with the line rack 20, so that the linear traveling function of the locomotive on a line is realized.

The second running gear has the same structure as the first running gear, and the description is omitted here.

As shown in fig. 5, the present invention discloses a railway vehicle, which comprises a vehicle body 25 and the six-axle four-wheel-drive bogie assembly. As shown in fig. 3, the wheel set 5 is connected to the bogie body 7 by a primary suspension 16; the vehicle body 25 is connected to the bogie body 7 via the secondary suspension 17 and the traction device 8.

As shown in fig. 6, the utility model discloses a rail system, including rail vehicle, two tracks 18 and circuit rack 20, track 18 is laid along the route, and circuit rack 20 sets up between two tracks 18 according to particular case.

The line rack 20 and the anti-drop cover plate 21 are fixedly connected with the foundation 26. The rack comprises two racks arranged on the left and right, and the driving gear A22 and the driving gear B19 are respectively used for being meshed with one rack; the drive gear C24 and the drive gear D23 are each adapted to engage one of the racks.

A rack drive mode may be formed when drive gear a22, drive gear B19, drive gear C24, and drive gear D23 are all in gear engagement with the line rack 20.

Of course, the first wheelset drive 6, the second wheelset drive 15, the first rack drive 4 and the second rack drive 14 are connected to a control system, by means of which the rotational speed of the electric motor of each drive can be regulated. The synchronization of the driving gear and the wheel pair can be realized through electric control. And the power ratio of the wheel pair and the driving gear can be regulated and controlled and distributed through electric control, and the ratio can be regulated and controlled according to the gradient. As shown in fig. 7, when the gradient is 120 ‰, the gear tooth rail power distribution ratio is set to 7: 3; when the gradient is 250 per mill, the gear tooth rail power distribution ratio is set to be 5: 5; when the gradient is 500 per mill, the power distribution ratio of the gear teeth to the rail is set to be 3: 7.

The working principle of the utility model is as follows:

firstly, a power assisting function realizing mode during rack climbing:

when the first and second sets of rack driving systems drive the driving gear a22, the driving gear B19, the driving gear C24 and the driving gear D23 to mesh with the circuit rack 20 to realize the climbing function, the first and second sets of wheel-track driving systems also start the working mode to drive the wheel set 5 to rotate, and the boosting function during climbing is realized through effective electrical control, so that the system power configuration of the first and second sets of rack driving systems is reduced, and the purpose of saving energy consumption is achieved.

Two, the mutual ring association of double dynamical transmission is interdependent.

a, the first and second sets of rack drive systems engage drive gear a22, drive gear B19, drive gear C24, and drive gear D23 with the line rack 20 by:

the first and second sets of wheel-track driving systems start a working mode to drive the wheel set 5 to rotate, and at the moment, the first and second sets of gear-track driving systems are in a non-working state; the wheel set 5 travels such that the drive gear a22, the drive gear B19, the drive gear C24, and the drive gear D23 all form a gear engagement with the line rack 20.

After the meshing with the track rack is completed, the first group of track rack driving systems and the second group of track rack driving systems start to work, and meanwhile, the control modes of the first group of wheel track driving systems and the second group of wheel track driving systems are switched to enable the first group of wheel track driving systems and the second group of wheel track driving systems to enter a power-assisted working state.

And b, when the road is in a flat road state, the first and second groups of wheel track driving systems work, and the first and second groups of gear track driving systems are always in a non-working state, so that the aims of saving energy and reducing consumption are fulfilled.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. Six four-wheel-drive bogie assemblies, its characterized in that: the bogie comprises a bogie body, two wheel pairs, four driving gears, two wheel pair driving devices and two tooth track driving devices;

the two wheel pair driving devices are respectively connected with one wheel pair, and each two driving gears are respectively connected with one of the rack driving devices; the axis of the drive gear is perpendicular to the axis of the wheel pair.

2. The six-axle four-drive bogie assembly according to claim 1, wherein: the wheel pair driving device is connected with the wheel pair through a wheel pair driving mechanism.

3. The six-axle four-drive bogie assembly according to claim 2, wherein: the wheel pair is connected with a brake disc, the bogie body is provided with a brake device, and the brake device and the brake disc are installed in a non-contact matching mode.

4. A six-axle four-drive truck assembly according to claim 1, 2 or 3, wherein: and the rack driving device is connected with the driving gear through a rack driving mechanism.

5. The six-axle four-drive bogie assembly according to claim 4, wherein: the rack driving mechanism comprises a vertical gear transmission mechanism.

6. The six-axle four-drive bogie assembly according to claim 4, wherein: the rack driving mechanism is connected with a brake.

7. The six-axle four-drive truck assembly according to claim 1, 2, 3, 5 or 6, characterized in that: the wheel pair is connected with the bogie body through a primary suspension.

8. Rail vehicle, its characterized in that: the six-axle four-wheel-drive bogie assembly comprises a vehicle body and the six-axle four-wheel-drive bogie assembly as claimed in any one of claims 1 to 7, wherein the vehicle body is connected with a bogie body through a secondary suspension and traction device.

9. Track system, including two tracks, its characterized in that: the rail vehicle as claimed in claim 8, further comprising a rack and the wheel set travels on two rails, the rack being disposed between the two rails;

the rack comprises two racks arranged on the left and right, and two driving gears connected with the same rack driving device are used for being respectively meshed with one of the racks.

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