CN204506909U - A kind of titanium alloy framework and bogie truck - Google Patents

Abstract

The utility model discloses a kind of titanium alloy framework and bogie truck.Described titanium alloy framework comprises two curb girders and the crossbeam being connected two curb girders, and these two curb girders are connected in I shape with crossbeam; Described curb girder and crossbeam are the beam body that titanium alloy is made.Primary spring mount pad, air bellow mount pad, motor hanger, gear box bracket and pantagraph current collector mount pad that described bogie truck comprises framework and arranges architecturally; Its constructional feature is, described framework is above-mentioned titanium alloy framework; Described primary spring mount pad, air bellow mount pad and pantagraph current collector mount pad are fixedly mounted on described curb girder, and described motor hanger, gear box bracket are fixedly mounted on described crossbeam.Framework of the present utility model replaces steel structure, effectively can alleviate vehicle weight and reduce noise, improving fatigue performance and travelling comfort.

Description

A titanium alloy frame and bogie

technical field

The utility model relates to a titanium alloy frame and a bogie, belonging to the field of rail transit vehicle structures.

Background technique

The traditional frame adopts steel structure and welded overall load-bearing structure, which is heavy, has poor fatigue resistance, increases the noise transmission path, and reduces the comfort of the vehicle.

Chinese invention patent application CN201310491256.2 discloses a side beam of a bogie frame, the side beam is a side beam body made of carbon fiber composite material. The frame side beam is a box-shaped cavity structure, and the motor, gear box, braking device, etc. are suspended on the bogie beam. The structure is also complicated, and the fatigue resistance and comfort are not good. At the same time, because the frame beam hangs the motor, gearbox, and braking device to bear dynamic loads, the interface design is complex and the bearing capacity is complicated. Carbon fiber composite materials and steel materials are two completely different materials, and it is difficult to connect them together. The interface design and fatigue performance are poor, so the frame beam must retain the original steel structure, and the connection between carbon fiber composite materials and steel structures is difficult and costly.

Utility model content

In order to overcome the shortcomings of the existing steel structure welding frame technology, the utility model aims to provide a titanium alloy frame and a bogie, which can realize the purpose of light weight and low noise of the vehicle.

In order to achieve the above object, the technical solution adopted in the utility model is:

A titanium alloy frame, including two side beams and a cross beam connecting the two side beams, the two side beams and the cross beam are connected in an I-shape; its structural feature is that the side beams and the cross beam are made of titanium alloy beam body.

Therefore, the side beams and cross beams are made of titanium alloy, which not only reduces the overall weight of the frame, but also greatly reduces noise.

Following is the further improved technical scheme of the utility model:

In order to further improve the structural strength of the frame, the side beams and cross beams are integrally formed, so that the frame is an integral structure with high structural strength.

Preferably, the titanium alloy is an α+β titanium alloy or a β titanium alloy. Further, the α+β titanium alloy is Ti-6Al-4V, Ti-15Mo-3Al-3Sn-3Cr, Ti-21Nb-14Al or Ti-24Al-14Nb-3V-0.5Mo. The β titanium alloy is Ti1023 or Ti153.

Among the α+β alloys, the Ti+6Al+4V alloy is most widely used. More than 50% of the currently used titanium alloys have this composition. It has good comprehensive properties. At present, people have studied it most deeply and accepted the most inspections. The largest application field is in the aviation industry (aircraft frame, Airframe components, helicopter components, jet engine components, gas turbine engines, rockets, satellites, missiles, etc.).

β titanium alloy is the most widely used type of titanium alloy. β titanium alloy has the highest strength/mass ratio, and titanium alloy parts with large cross-section have excellent strength, toughness and fatigue resistance. Compared with α + β type alloys, the disadvantages of β alloys are high density, relatively small processing range, and high cost.

Further, the utility model also provides a bogie, which includes a frame and a series of spring mounts, air spring mounts, motor hangers, gear box hangers and current receiver mounts arranged on the frame Its structural feature is that the frame is the above-mentioned titanium alloy frame; the primary spring mounting seat, air spring mounting seat and current collector mounting seat are fixedly installed on the side beam, and the motor hanger, gear The box hanger is fixedly installed on the beam.

Compared with the prior art, the beneficial effect of the utility model is that the titanium alloy frame of the utility model can transmit the vertical and horizontal force between the wheel and the rail while bearing various maximum vertical loads, and can reduce the weight and reduce the noise. Purpose.

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Description of drawings

Fig. 1 is the structure schematic diagram of an embodiment of the utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is a front view of Fig. 1 .

detailed description

A titanium alloy frame, as shown in Figure 1-3, includes two side beams 1 and a cross beam 2 connecting the two side beams 1. Both the side beam 1 and the cross beam 2 are beam bodies made of α+β titanium alloy or β titanium alloy. Specifically, the α+β titanium alloy is Ti-6Al-4V or Ti-15-3, such as Ti-15Mo-3Al-3Sn-3Cr.

A bogie, comprising a frame and a series of spring mounts 3, air spring mounts 4, motor hangers 5, gearbox hangers 6 and current receiver mounts 7 arranged on the frame; the frame is the above-mentioned Titanium alloy frame; the primary spring mounting seat 3, air spring mounting seat 4 and current receiver mounting seat 7 are fixedly installed on the side beam 1, thus, the frame side beam is used for primary springs, air springs, etc. , which mainly bears the weight of the vehicle and passengers, and bears the longitudinal load of the vehicle body. The current collector mounting seat is used to install the current collector. The motor hanger 5 and the gear box hanger 6 are fixedly installed on the beam 2, so that the frame beam is used to bear the mass of the motor, the gear box, and the braking system, and bear the lateral load of the vehicle body.

In this embodiment, the design of the frame structure is taken as an example to achieve the purpose of reducing weight and reducing noise.

The above-mentioned embodiments should be understood that these embodiments are only used to illustrate the utility model more clearly, and are not intended to limit the scope of the utility model. After reading the utility model, those skilled in the art will understand each aspect of the utility model Modifications in various equivalent forms all fall within the scope defined by the appended claims of this application.

Claims (6)

1. A titanium alloy frame, including two side beams (1) and a beam (2) connecting the two side beams (1), the two side beams (1) and the beam (2) are connected in an I-shape; It is characterized in that both the side beams (1) and the cross beams (2) are beam bodies made of titanium alloy. 2. The titanium alloy frame according to claim 1, characterized in that, the side beam (1) and the cross beam (2) are integrally formed. 3. The titanium alloy frame according to claim 1 or 2, wherein the titanium alloy is an α+β titanium alloy or a β titanium alloy. 4. The titanium alloy frame according to claim 3, wherein the α+β titanium alloy is Ti-6Al-4V, Ti-15Mo-3Al-3Sn-3Cr, Ti-21Nb-14Al or Ti-24Al -14Nb-3V-0.5Mo. 5. titanium alloy frame according to claim 3, is characterized in that, described β titanium alloy is Ti1023 or Ti153. 6. A bogie, including a frame and a primary spring mount (3), an air spring mount (4), a motor hanger (5), a gearbox hanger (6) and a current collector arranged on the frame Mounting seat (7); characterized in that, the frame is the titanium alloy frame described in any one of claims 1-5; the primary spring mounting seat (3), air spring mounting seat (4) and current collector The mounting seat (7) is fixedly installed on the side beam (1), and the motor hanger (5) and the gear box hanger (6) are fixedly installed on the crossbeam (2).