CN221293528U

CN221293528U - Subway process bogie

Info

Publication number: CN221293528U
Application number: CN202322960287.XU
Authority: CN
Inventors: 胡健; 曾杰; 陈飞; 解春伟; 朱皓
Original assignee: CRCC High Tech Equipment Corp Ltd
Current assignee: CRCC High Tech Equipment Corp Ltd
Priority date: 2023-11-02
Filing date: 2023-11-02
Publication date: 2024-07-09
Anticipated expiration: 2033-11-02

Abstract

The utility model discloses a subway process bogie which comprises a framework and a running device, wherein the framework is used for supporting a subway vehicle body and is positioned on the running device so as to drive the vehicle body to move through the running device, and a hollow structure capable of serving as an overhaul space is arranged in the middle of the process bogie. Compared with the prior art, the metro process bogie provided by the utility model has the advantages that the hollow structure which can be used as an overhaul space is arranged in the middle of the metro process bogie, so that the car body on the process bogie can be overhauled conveniently, and the structure is simple and reliable.

Description

Subway process bogie

Technical Field

The application relates to the technical field of subway maintenance equipment, in particular to a subway process bogie.

Background

In the process of overhauling the metro vehicle, the bogie of the metro vehicle is required to be separated, and then the technical bogie is used for replacing the bogie of the metro vehicle so as to play a role in positioning and supporting the vehicle body and can move along the track along with the vehicle body at a low speed. The prior art bogie is generally complex in structure, occupies most of space positions, and cannot be overhauled at the central positions of the bogie and the bogie.

How to realize convenient maintenance of the car body on the process bogie is a technical problem to be solved urgently by the person skilled in the art.

Disclosure of utility model

In order to solve the technical problems, the utility model aims to provide the subway process bogie so as to facilitate overhauling of a vehicle body on the process bogie.

The technical scheme provided by the utility model is as follows:

The utility model provides a subway technology bogie, includes framework and running gear, the framework is used for supporting the subway vehicle automobile body, is located on the running gear to drive the automobile body through running gear and remove, technology bogie middle part is equipped with the hollow structure that can regard as the maintenance space.

Preferably, the frame comprises two main beams arranged longitudinally and two main beams respectively connected with the two main beams in a front-back transverse direction.

Preferably, the frame further comprises two inner cross beams, wherein the inner cross beams are positioned between the two main cross beams and are transversely connected with the two main beams, the two inner cross beams are positioned in the middle of the process bogie, and a hollow structure is formed in the area between the two inner cross beams.

Preferably, the frame further comprises four stiffening beams, each stiffening beam is connected with the main beam and the inner cross beam respectively and located at four corners of the hollow structure.

Preferably, the hollow structure is formed into a polygonal shape by four reinforcing beams and two inner cross beams.

Preferably, a plurality of inner ribs are arranged inside the main beam.

Preferably, the frame further comprises two supporting beams, wherein the supporting beams are respectively positioned in the middle of the two main beams and are upwards arranged to support the vehicle body.

Preferably, the frame further comprises stop devices respectively positioned at the end parts of the main beams for preventing the collision of the main beams, and traction hooks respectively positioned at the outer sides of the middle parts of the main beams for connecting other process bogies.

Preferably, the running gear comprises an axle housing and two wheel sets, each wheel set comprises an axle and wheels mounted at two ends of the axle, and each wheel is rotatably mounted on the framework through the axle housing.

Preferably, the running device further comprises a hand braking mechanism for performing hand braking on the running device, the hand braking mechanism comprises a mounting frame, a braking shaft, a hand wheel and nylon pads, the mounting frame is fixed on the frame, the braking shaft is rotatably arranged on the mounting frame, the hand wheel and the nylon pads are respectively positioned at two ends of the braking shaft, the hand wheel can drive the nylon pads to transversely move, the nylon pads are close to wheels, and the nylon pads are driven to transversely move by rotating the hand wheel, so that the nylon pads are in contact with/separated from the wheels, and the purpose of braking/non-braking is achieved.

Compared with the prior art, the metro process bogie provided by the utility model has the advantages that the hollow structure which can be used as an overhaul space is arranged in the middle of the metro process bogie, so that the car body on the process bogie can be overhauled conveniently, and the structure is simple and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic view of a metro process truck according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a frame in the subway process bogie of FIG. 1;

Fig. 3 is a schematic structural view of a hand brake mechanism in the subway process bogie shown in fig. 1.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the application to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the application, are included in the spirit and scope of the application which is otherwise, without departing from the spirit or scope thereof.

As shown in fig. 1 to 3, an embodiment of the present utility model provides a subway process bogie including a frame 100 and a traveling device (not numbered). The frame 100 is used for supporting a body of a metro vehicle and is positioned on a running gear so as to drive the body to move by the running gear.

As shown in fig. 2, in the present embodiment, the frame 100 includes two main beams 101, two main beams 102, two inner beams 103, four reinforcement beams 106, two support beams 104, four stopper devices 500, and two traction hooks 105. The two main beams 101 are longitudinally arranged and are of cavity type structures, and a plurality of inner ribs 107 are arranged inside the main beams to ensure that the whole structure is stable and reliable and light weight is realized. The two main beams 102 are respectively connected with the two main beams 101 in a front-rear transverse direction and are positioned at the front end and the rear end of the main beams 101. Two inner cross beams 103 are each located between two main cross beams 102 and also connect the two main beams 101 laterally. The two inner beams 102 are positioned in the middle of the process bogie, and the area between the two inner beams 102 forms a hollow structure which can be used as an overhaul space for an overhaul worker to drill into the hollow structure to overhaul the car body on the process bogie. The maintenance structure and the maintenance mode are convenient and simple, and the light weight and the stability of the whole structure can be improved. In this embodiment, four reinforcing beams 106 are respectively connected to the main beam 101 and the inner cross beam 103, and are located at four corners of the hollow structure. Thus, the hollow structure is formed into a polygonal shape (hexagonal in this embodiment) by four reinforcing beams 106 and two inner cross beams 103. The structure can ensure higher strength and provide larger overhaul space.

Two support beams 104 are respectively located in the middle of the two main beams 101 and are upward arranged to support the vehicle body, and rubber pads (not numbered) and positioning pins 600 for positioning the vehicle body can be arranged at the tops of the support beams 104. Four stop devices 500 are respectively located at the ends of the main beam 101 to prevent collision with other objects when the main beam 101 moves. Two towing hitch hooks 105 are located outside the middle of the main beam 102, respectively, for connecting to other process bogies.

In this embodiment, the running gear includes an axle housing 200, two wheel sets 300, and a hand brake mechanism 400. Each wheel set 300 includes a wheel axle and wheels mounted at both ends of the wheel axle, and each wheel is rotatably mounted on the main beam 101 of the frame 100 through the axle boxes 200, respectively. Hand brake mechanism 400 is used to manually brake the running gear.

As shown in fig. 3, in this embodiment, the hand brake mechanism 400 includes a mounting bracket 401, a brake shaft 402, a hand wheel 403, and a nylon pad 404. The mounting frame 401 is used for being fixed on the girder 101 of the framework 100, the brake shaft 402 is rotatably arranged on the mounting frame 401, the hand wheel 403 and the nylon pad 404 are respectively positioned at two ends of the brake shaft 402, the hand wheel 403 can drive the nylon pad 404 to move transversely, the nylon pad 404 is close to a wheel, and the nylon pad 404 is driven to move transversely by rotating the hand wheel 403, so that the nylon pad 404 is contacted with/separated from the wheel, and the purpose of braking/non-braking is achieved.

Compared with the prior art, the subway process bogie of the embodiment has the following advantages:

The middle part of the technical bogie is provided with a hollow structure, so that maintenance work can be carried out on the lower part of the vehicle body (the middle part of the ordinary technical bogie has no maintenance space);

The weight-reducing and stable structural design has the dead weight of not more than 1.6 tons (without wheel sets) and the bearing capacity of not more than 12 tons.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a subway technology bogie, its characterized in that, includes framework and running gear, the framework is used for supporting the subway vehicle automobile body, is located running gear to drive the automobile body through running gear and remove, technology bogie middle part is equipped with the hollow structure that can regard as the maintenance space, the framework includes two girders of vertical setting and two main crossbeams of two girders of lateral connection around respectively, the framework still includes two interior crossbeams, interior crossbeam all is located between two main crossbeams, and lateral connection two girders, and these two interior crossbeams are located technology bogie middle part, and the region between two interior crossbeams forms hollow structure.

2. The subway process bogie of claim 1, wherein the frame further comprises four stiffening beams, each stiffening beam connecting the main beam and the inner cross beam, respectively, and being located at four corners of the hollow structure.

3. The subway process bogie of claim 2, wherein the hollow structure is formed into a polygonal shape by four reinforcing beams, two inner cross beams.

4. The subway process bogie of claim 1, wherein the main beam has a plurality of internal ribs disposed therein.

5. The subway process bogie of claim 1, wherein the frame further comprises two support beams, the support beams being respectively located at the middle portions of the two main beams and being upwardly disposed for supporting the vehicle body.

6. The subway process bogie of claim 1, wherein the frame further comprises stop means respectively located at the ends of the main beams for preventing collision of the main beams, and traction hooks respectively located at the outer sides of the middle portions of the main beams for connecting with other process bogies.

7. A subway process bogie as claimed in claim 1 in which the running gear includes an axle housing and two wheel sets, each wheel set including an axle and wheels mounted at either end of the axle, each wheel being rotatably mounted to the frame by the axle housing.

8. The subway process bogie as set forth in claim 7, wherein the running gear further comprises a hand brake mechanism for performing hand braking on the running gear, the hand brake mechanism comprises a mounting frame, a brake shaft, a hand wheel and nylon pads, the mounting frame is fixed to the frame, the brake shaft is rotatably mounted on the mounting frame, the hand wheel and the nylon pads are respectively located at two ends of the brake shaft, the hand wheel can drive the nylon pads to move transversely, the nylon pads are close to the wheels, and the nylon pads are driven to move transversely by rotating the hand wheel so as to make the nylon pads contact with/separate from the wheels, thereby achieving the purpose of braking/non-braking.