CN218463654U

CN218463654U - Tramcar bogie and tramcar

Info

Publication number: CN218463654U
Application number: CN202222571697.0U
Authority: CN
Inventors: 杨怡; 谭志成
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-02-10
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a tram bogie and tram, tram bogie includes: the power mechanism is used for outputting power; the steering axle mechanism is connected with the power mechanism to receive the power output by the power mechanism; the elastic part is used as a secondary suspension, the elastic part is arranged on the steering axle mechanism, and the elastic part is used for being connected with a trolley car body of the tramcar so as to transfer the traction force of the steering axle mechanism to the trolley car body. The utility model discloses a tram bogie, secondary hang for the elastic component, transmit the traction force of steering axle mechanism for the automobile body through the elastic component, drive the automobile body motion. The elastic piece plays the effect of traction lever, has cancelled the setting of traction lever, has greatly reduced the volume of bogie. Meanwhile, the elastic piece can effectively buffer the vibration between the vehicle body and the bogie, and a good vibration damping effect is realized.

Description

Tramcar bogie and tramcar

Technical Field

The utility model relates to a tram makes technical field, more specifically relates to a tram bogie and tram.

Background

The existing tramcar bogie has large volume, needs a draw bar, occupies large vehicle space and is not beneficial to the arrangement of small vehicles. Meanwhile, the existing tramcar has weak shock absorption capacity, and the vibration between the car body and the bogie is obvious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tram bogie and tram's new technical scheme can solve the tram bogie among the prior art at least and need dispose the traction lever, bulky and vibrate more obvious scheduling problem.

The utility model discloses a first aspect provides a tram bogie, include: the power mechanism is used for outputting power; the steering axle mechanism is connected with the power mechanism to receive the power output by the power mechanism; the elastic part is used as a secondary suspension, the elastic part is arranged on the steering axle mechanism, and the elastic part is used for being connected with a trolley car body of the tramcar so as to transfer the traction force of the steering axle mechanism to the trolley car body.

Optionally, the number of the elastic members is two, the two elastic members are respectively arranged on two opposite sides of the power mechanism, and each elastic member is respectively connected with the steering axle mechanism.

Optionally, the elastic member is a strip-shaped plate spring, two ends of the plate spring are respectively used for connecting a vehicle body, and the middle position of the plate spring is connected with the steering axle mechanism.

Optionally, the power mechanism and the steer axle mechanism are coaxially arranged.

Optionally, the power mechanism includes: casing, motor, reduction gear and differential mechanism, the reduction gear with the motor is connected, differential mechanism with retarder connection, the motor the reduction gear with differential mechanism establishes in the casing, just the motor the reduction gear with differential mechanism is coaxial to be arranged.

Optionally, the steer axle mechanism comprises:

the axle housing is connected with the machine shell, and the axle housing and the machine shell form a framework of the bogie;

and the steering knuckle is arranged on the side surface of the axle housing and is used for receiving the power transmitted by the power mechanism.

Optionally, the tramcar bogie further comprises: the universal transmission shaft is connected with the walking wheels, and the walking wheels are rotatably connected with the steering knuckle.

Optionally, the tramcar bogie further comprises:

the slewing mechanism is connected with the steering axle mechanism;

the guide mechanism is arranged on one side of the slewing mechanism, which is far away from the power mechanism, and the guide mechanism is connected with the steering axle mechanism through the slewing mechanism so as to transmit power to the steering knuckle.

Optionally, the tramcar bogie further comprises: and the anti-rolling torsion bar is respectively connected with the steering axle mechanism and the vehicle body.

The second aspect of the present invention provides a tramcar, including the tramcar bogie described in the above embodiments.

The utility model discloses a tram bogie, secondary hang for the elastic component, transmit the traction force of steering axle mechanism for the automobile body through the elastic component, drive the automobile body motion. The elastic piece plays the effect of traction lever, has cancelled the setting of traction lever, has greatly reduced the volume of bogie. Meanwhile, the elastic piece can effectively buffer the vibration between the vehicle body and the bogie, and a good vibration damping effect is realized.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Figure 1 is a schematic structural view of a tramcar bogie according to an embodiment of the invention;

figure 2 is a front view of a tram bogie according to an embodiment of the invention;

figure 3 is a side view of a tram bogie according to an embodiment of the invention;

figure 4 is a top view of a tram bogie according to an embodiment of the invention;

fig. 5 is a schematic view of the bogie and the track beam of the tramcar according to the embodiment of the invention.

Reference numerals:

a power mechanism 10;

a steer axle mechanism 20; an axle housing 21; a knuckle 22;

an elastic member 30;

a universal drive shaft 41; running wheels 42;

a swing mechanism 51; a guide mechanism 52;

an anti-roll torsion bar 60;

a track beam 70.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated 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.

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.

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.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not 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 and claims of the present invention, reference to a feature of the terms "first" and "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present invention, it should be understood that, if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are used to indicate the orientation or positional relationship indicated based on the drawings, it is only for the convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used in a generic sense unless otherwise specifically defined or limited. For example, the connection can be fixed, detachable or integrated; 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 according to specific situations by those skilled in the art.

The following specifically describes tram bogie according to the embodiment of the invention with reference to the attached drawings.

As shown in fig. 1 to 5, the bogie for the tram according to the embodiment of the present invention includes a power mechanism 10, a steer axle mechanism 20, and an elastic member 30.

Specifically, the power mechanism 10 is used to output power. Steer axle mechanism 20 is coupled to power mechanism 10 to receive power output from power mechanism 10. The elastic member 30 is provided on the bogie mechanism 20 as a secondary suspension, and the elastic member 30 is used for connecting the body of the tramcar to transmit the traction force of the bogie mechanism 20 to the body.

In other words, the tramcar bogie according to the embodiment of the present invention mainly consists of the power mechanism 10, the axle mechanism 20 and the elastic member 30. Referring to fig. 1 and 2, the power mechanism 10 is mainly used for outputting power, and the power mechanism 10 can provide power for the entire vehicle. The steer axle mechanism 20 is connected to the power mechanism 10, the steer axle mechanism 20 can receive the power output from the power mechanism 10, and the steer axle mechanism 20 can serve as a steering system of the entire vehicle. The elastic member 30 may be used as a secondary suspension, the elastic member 30 may be mounted on the steer axle mechanism 20, the elastic member 30 may be used to connect to a body of a tram, and the elastic member 30 may transmit a traction force of the steer axle mechanism 20 to the body. Therefore, the elastic member 30 of the present invention can go to the drawbar to function as the drawbar. The utility model discloses need not to dispose the traction lever, greatly reduced the volume of bogie, the space that occupies the vehicle is less, is favorable to arranging of miniaturized vehicle, simultaneously, through hanging elastic component 30 as secondary, connects bogie and automobile body, can also cushion the vibration between automobile body and the bogie, realizes good damping effect.

Therefore, according to the utility model discloses tram bogie, secondary suspension is elastic component 30, transmits the traction force of steering axle mechanism 20 for the automobile body through elastic component 30, drives the automobile body motion. The elastic member 30 functions as a drawbar, and the arrangement of the drawbar is eliminated, thereby greatly reducing the volume of the bogie. Meanwhile, the elastic member 30 can effectively buffer the vibration between the vehicle body and the bogie, and a good vibration damping effect is achieved.

According to one embodiment of the present invention, as shown in fig. 1 and 4, there are two elastic members 30, and the two elastic members 30 together constitute a secondary suspension of the bogie. Two elastic members 30 may be respectively installed at opposite sides of the power mechanism 10, and each elastic member 30 is respectively connected to the axle mechanism 20 to perform traction and vibration damping functions.

In some embodiments of the present invention, the elastic member 30 is a plate spring with a long strip shape, the two ends of the plate spring are respectively used for connecting the car body, and the middle position of the plate spring is connected with the steering axle mechanism 20.

That is, referring to fig. 1, 3, 4 and 5, the elastic member 30 may employ an elongated plate spring having a certain thickness as a secondary suspension. The two ends of the plate spring are respectively used for connecting the vehicle body, and the middle position of the plate spring is connected with the steering axle mechanism 20. The plate spring is connected with the bogie and the vehicle body, so that vibration between the vehicle and the bogie is buffered, and meanwhile, the traction force of the bogie can be transmitted to the vehicle body to drive the vehicle body to move.

According to an embodiment of the present invention, referring to fig. 2, the power mechanism 10 and the steer axle mechanism 20 are coaxially arranged. By adopting the coaxial arrangement mode of the power mechanism 10 and the steering axle mechanism 20, the whole mechanism of the bogie can be more compact, the volume of the bogie is reduced, and the arrangement of small vehicles such as engineering vehicles and the like is convenient.

According to an embodiment of the present invention, the power mechanism 10 includes: casing, motor, reduction gear and differential mechanism, the reduction gear is connected with the motor, and differential mechanism and retarder connection, motor, reduction gear and differential mechanism are established in the casing, and motor, reduction gear and differential mechanism coaxial arrangement.

In other words, the power mechanism 10 mainly comprises a housing, a motor, a speed reducer and a differential, wherein the speed reducer is connected to the motor, the differential is connected to the speed reducer, the motor, the speed reducer and the differential are mounted in the housing, the power mechanism 10 is used as a power assembly, and the power of the motor can be transmitted to the differential through the speed reducer and then transmitted to the left and right universal transmission shafts 41 to respectively drive the left and right wheels (running wheels 42) to rotate (as shown in fig. 2). The motor, the speed reducer and the differential are coaxially arranged, and the axes of the motor, the speed reducer and the differential are on the same line, so that the structural arrangement of the whole power mechanism 10 is more compact.

According to an embodiment of the present invention, the steer axle mechanism 20 includes an axle housing 21 and a knuckle 22.

Specifically, the axle case 21 is connected with the machine housing, and the axle case 21 and the machine housing constitute a framework of the bogie. A knuckle 22 is provided at a side of the axle housing 21, and the knuckle 22 is used to receive the power transmitted from the power mechanism 10.

That is, as shown in fig. 2, the steer axle mechanism 20 is mainly composed of an axle housing 21 and a knuckle 22. Wherein, axle housing 21 is connected with the casing, and axle housing 21 and casing can constitute the framework of bogie jointly, play the bearing effect. A knuckle 22 is mounted on the side of the axle housing 21, and the knuckle 22 is used to receive the power transmitted from the power mechanism 10.

In some embodiments of the present invention, referring to fig. 2, the tram bogie further comprises a universal drive shaft 41 and a running wheel 42, wherein the universal drive shaft 41 and the running wheel 42 are connected, and the running wheel 42 is rotatably connected with the knuckle 22. The power generated by the motor in the power mechanism 10 is transmitted to the left and right universal transmission shafts 41 through the speed reducer and the differential to drive the two traveling wheels 42 to rotate respectively. The axle housing 21 is flanked by knuckles 22, and the running wheels 42 are rotatable about the knuckles 22.

According to an embodiment of the present invention, the tram bogie further comprises a swing mechanism 51 and a guiding mechanism 52. The turning mechanism 51 is connected to the steer axle mechanism 20. The guide mechanism 52 is provided at a side of the swing mechanism 51 away from the power mechanism 10, and the guide mechanism 52 is connected to the steer axle mechanism 20 through the swing mechanism 51 to transmit power to the knuckle 22.

In other words, as shown in fig. 1 and 5, the tram bogie further comprises a slewing mechanism 51 and a guiding mechanism 52. The turning mechanism 51 is connected to the steer axle mechanism 20. The guide mechanism 52 is installed on the bottom of the swing mechanism 51, and the guide mechanism 52 may be connected to the frame of the bogie through the swing mechanism 51 to transmit the rotation of the swing mechanism 51 to the knuckle 22, thereby rotating the traveling wheels 42. Referring to fig. 5, the bogie is arranged on a track beam 70, and the inner side of the track beam 70 is in contact with the guide mechanism 52, completing self-guiding travel. The guide mechanism 52 is a guide wheel, and the turning mechanism 51 is a turning disc. The guide wheels may be connected to the frame of the bogie by a turntable which transmits the rotation of the turntable to the knuckle 22 to rotate the running wheels 42.

According to an embodiment of the present invention, referring to fig. 1 and 5, the tram bogie further comprises an anti-roll torsion bar 60, the anti-roll torsion bar 60 respectively connecting the axle mechanism 20 and the car body, improving the anti-roll performance of the car.

Of course, other structures of the bogie and the working principle thereof are understood and can be realized by those skilled in the art, and detailed description is omitted in the present invention.

In summary, according to the tramcar bogie of the embodiment of the present invention, the secondary suspension is the elastic member 30, and the elastic member 30 transmits the traction force of the axle mechanism 20 to the car body, thereby moving the car body. The elastic member 30 functions as a drawbar, and the arrangement of the drawbar is eliminated, thereby greatly reducing the volume of the bogie. Meanwhile, the elastic member 30 can effectively buffer the vibration between the vehicle body and the bogie, and a good vibration damping effect is achieved. And this tram bogie adopts the arrangement mode of coaxial bridge, compact structure, and occupation space is little, and applicable in the machineshop car that requires higher to the space uses, also can be used to small-size rubber tyer tram.

According to a second aspect of the present invention, there is provided a tramcar comprising the tramcar bogie in the above-described embodiment. The utility model discloses in, a rubber tyer tram can dispose two bogies to improve power performance. Because according to the utility model discloses tram bogie has above-mentioned technological effect, consequently, according to the utility model discloses a tram also should have corresponding technological effect, promptly the utility model discloses a tram can greatly reduce the volume of bogie through adopting this bogie. Meanwhile, the elastic member 30 can effectively buffer the vibration between the vehicle body and the bogie, and a good vibration damping effect is achieved. And this tram bogie adopts the arrangement of coaxial bridge, compact structure, and occupation space is little, and applicable in the machineshop car that requires higher to the space uses, also can be used to small-size rubber tyer tram.

Of course, other structures of the tramcar and the working principle thereof are understood and can be realized by those skilled in the art, and detailed description is omitted in the present invention.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A tram bogie, comprising:

the power mechanism is used for outputting power;

the steering axle mechanism is connected with the power mechanism to receive the power output by the power mechanism;

the elastic piece is used as a secondary suspension, the elastic piece is arranged on the steering axle mechanism, and the elastic piece is used for being connected with a trolley car body of the tramcar so as to transmit the traction force of the steering axle mechanism to the car body.

2. A tramcar bogie as claimed in claim 1 wherein there are two said resilient members, two said resilient members being provided on opposite sides of said power mechanism and each being connected to said axle mechanism.

3. The tramcar bogie according to claim 1, wherein the elastic member is an elongated plate spring, both ends of the plate spring are respectively used for connecting with a car body, and the middle position of the plate spring is connected with the bogie mechanism.

4. A tramcar bogie according to claim 1 in which the power mechanism and the bogie axle mechanism are arranged coaxially.

5. A tramcar bogie as claimed in claim 1 wherein the power mechanism comprises: casing, motor, reduction gear and differential mechanism, the reduction gear with the motor is connected, differential mechanism with retarder connection, the motor the reduction gear with differential mechanism establishes in the casing, just the motor the reduction gear with differential mechanism is coaxial to be arranged.

6. The tram bogie of claim 5, wherein the steer axle mechanism comprises:

7. The tram bogie of claim 6, further comprising: the universal transmission shaft is connected with the walking wheels, and the walking wheels are rotatably connected with the steering knuckle.

8. The tram bogie of claim 6, further comprising:

the slewing mechanism is connected with the steering axle mechanism;

9. The tram bogie of claim 1, further comprising: and the anti-rolling torsion bar is respectively connected with the steering axle mechanism and the vehicle body.

10. A tram, characterized in that it comprises a tram bogie according to any one of claims 1-9.