Trailer bogie frame

Technical Field

The utility model relates to a bogie frame, in particular to a trailer steering rack frame.

Background Art

The traditional domestic passenger locomotive of the two-axle bogie, foundation brake adopts the tread brake or disc brake, tread brake type, with the wheel through the brake applied by way of friction brake, brake unit mostly arranged on the framework in the position near the center of the beam, the structure is complicated, required to lightweight vehicles; and the traditional disc brake occupying the internal space, at the same time increase the weight of the bogie truck, trailer bogie to ensure that the braking effect of the disc brake while still need to adopt the shaft-disc brake, relatively more parts.

The disc brake in order to solve the large unsprung mass, bogie weight increase and the problem of more parts, part of the existing train set or other high-speed train with the framework and the bogie moveable end of the brake shaft disc, thereby realizing the shaft-disc brake, in order to ensure that the braking effect, the brake hanger adoption of bulk metal casting, large volume, heavy weight, not easy to realize car target.

Content of the invention

The main purpose of the utility model lies in solving the above-mentioned problems and deficiencies, to provide a braking effect at the same time the of the car trailer bogie frame.

To achieve the above object, the technical scheme of the utility model is:

A trailer steering rack frame, including two a side beam of the box-type structure, is fixed to each other with the two side beams of the two beams, the beam is a hollow seamless steel pipe, the two fixed between the inside of the beam and the longitudinal beam of the side core, the auxiliary beam states horizontally through the brake seat is welded on the beam, the beam states auxiliary on each of the welded and fixed with an asterisk shape box structure of the brake hanger.

Furthermore, the brake hanger can realize a brake caliper three-point suspension.

Furthermore, the two vertical plates are suspended and is composed of a box-type structure are welded to each other, formed by the curved surface of the forging is the radian, and the vertical plate form a variable-section of the box-type structure, large simultaneouly and the auxiliary beam welded fixing, small cross-section through the closed forging closed end, said brake seat is steel wooden crate structure, and the brake hanger and through the auxiliary beam welding.

Furthermore, the two sides of the closed forging is provided with two pinch point structure, in the brake hanger base is also provided with a 3rd structure of the pinch point, through two braking clamps states clamps the spot structure and the structure of the pinch point 3rd three-point hanging is fixed on the brake hanger seat.

Furthermore, two states clamps the spot structure and the closed forging is the integrally formed forging.

Furthermore, the cross beam is provided with a tread cleaning device installation seat, the tread cleaning device installation seat the main supporting structure is five welding sealing one side of the box-type structure with variable cross-section opening.

Furthermore, the connecting seat is a box-type structure which is formed by the welding of sheet material, the sheet material is provided with a process hole.

Furthermore, each of the beam is fixed the brake hanger is three, the shaft-disc brake.

Furthermore, each of the longitudinal beams is fixed with one side wall of the driving device for a vehicle.

Furthermore, the cross section of the hanging device states the complete bikes have taken the form of an inverted J-shaped.

To sum up, the utility model provides a trailer bogie frame, brake suspended, connecting base, side sills, tread cleaning device installation seat are made of box-type structure, a beam, an auxiliary beam adopts hollow steel pipe, at the same time ensuring the strength, effectively reduce the overall weight of the framework, the purpose of the car; in effectively realize the installation of the vertical damper, at the same time realize the damping requirements, increasing the air side moment of the spring, the anti-side-rolling capability is enhanced; brake hanger can realize a brake caliper three-point hanging mounting, enhance the stability of the brake caliper is mounted, at the same time realizing component production domesticization; 3rd pinch point with the brake structure integrally formed at the bottom of the pinhole as the special-shaped forgings, further improve the braking the stress situation of the pinhole, reduce the welding stress, stress concentration is eliminated; with conventional welding technique to realize the fixed installation of the entire framework, reducing the production difficulty, improving the production efficiency.

The Figure illustrates:

Figure 1: the utility model relates to a vehicle steering rack frame schematic view of the overall structure;

Figure 2: the utility model relates to a vehicle steering rack framework side girder structure in cutaway view;

Figure 3: the utility model relates to a vehicle steering rack in the framework a schematic view of the brake hanger;

Figure 4: the utility model relates to a vehicle steering rack in the framework second schematic view of the brake hanger;

Figure 5: the utility model relates to a vehicle steering rack in the suspended framework, the auxiliary beam, partial enlarged schematic view of the connecting seat;

Figure 6: the utility model relates to a vehicle steering rack framework side viewroller face cleaning device mounting seat;

Figure 7: the utility model relates to a vehicle steering rack framework roller face cleaning device of Figure the top surface of the mounting seat;

Wherein: the framework 1, side beam 2, the beam 3, longitudinal beam 4, brake hanger 5, auxiliary beam 6, the side plate 7, supporting seat spatial reed 8, part leads the circle 9, damping device mounting seat 10, the brake seat 11, vertical plate 12, seal plate 13, the structure of pinch point 14, the structure of 3rd pinch point 15, tread cleaning device mounting seat 16, the mounting hole 17, closed forging 18, the anti-side-rolling torsion bar seat 19, positioning arm 20

Mode of execution

The specific embodiment and the attached Figure to the present utility model further detailed description.

As shown in fig. 1 to fig. 5 is shown, a trailer steering rack frame, including two a side beam of the box-type structure 2, and the two side members 2 are fixed two beams 3, the beam 3 is a hollow seamless steel pipe, the two beam 3 is fixed between the inner side of the side beam 2 of parallel longerons 4, auxiliary beam 6 through the brake seat 11 welded on the beam 3 is, in each auxiliary beam 6 is fixed with a welded on the box structure of the invented brake hanger 5.

As shown in Figure 1 and Figure 2 as shown, the side beams 2 of the box-type structure, a substantially U-shaped, is composed of four pieces of side plates 7 and are welded to each other, the side beams 2 on the outer side of the position in the middle of, the supporting seat spatial reed 8 is fixed with the air spring. Beam 3 through the side beam 2 with the supporting seat spatial reed 8 is fixedly connected with and is. Each beam 3 is closed at one end, the other end is provided with a vent hole, the two beams 3 has the one end of the vent holes are set up in opposite directions, each beam 3 which are respectively connected with a through the vent spatial reed supporting seat 8 connected, so that the each beam 3 can be used as a air spring of the additional air chamber, in order to increase the effective volume of the air chamber, the air is effectively reduced and improves the rigidity of the spring of the damping of the air spring, the vibration-damping effect is effectively improved, at the same time supporting seat spatial reed 8 is arranged in the side beam 2 at the outer side of the intermediate position, so that the framework 1 balanced structure, reasonable weight distribution of the, and air on the two sides of the spring increase side moment, improve the anti-roll capabilities. To the vehicle body is connected to the vertical damping device effectively, to ensure that the damping effect, the side beam 2 leads the circle part of the end of the 9 bended inward deflection, the entire side rail 2 is the eccentric structure, the part leads the circle 9 damping device of the front end of the mounting base 10 to the inner deflection, and the vehicle body is connected to the vertical damping device effectively. The side members 2 the lower side plate 7 on, is fixed with a positioning arm seat 20.

In each of the side beams 2 of the left and right side plate 7 are respectively provided with two mounting holes 17, beam 3 penetrating through the mounting hole 17 is inserted into the supporting seat spatial reed 2 internal, cross-beam 3 and the side beam 2 is welded and fixed, the two transverse beam 3 are arranged in parallel, in order to improve the stability and strength of the frame, the mounting hole 17 is arranged symmetrically in the left and right side members 2 of the middle part. In the two transverse beam 3 is provided with two longitudinal beams in the middle 4, two longitudinal beams 4 and the side beam 2 are arranged in parallel, can improve the framework 1 stability, avoid framework 1 deformation. Longitudinal beam 4 can adopt the existing structure, mounting the corresponding other structure or mounting seat.

As shown in Figure 1 and Figure 5 shows, in each beam 3 on the outer side, relative to the longitudinal beam 4 and the cross beam 3 is fixedly connected with the outer side of the position, through the brake seat 111 is fixed with a welding of the auxiliary beam 6, the brake seat 111 is formed by four boards box-type structure which is formed by the welding of, each plate is provided with a hole, can be in on the precondition of ensuring the strength, of lightening the overall weight, auxiliary beam 6 is a seamless steel pipe or box structure, the same weight can be reduced, in the utility model, the auxiliary beam 6 seamless steel pipe is recommended, each beam 3 through two brake seat 111 is fixed with a auxiliary beam 6.

In each auxiliary beam 6 is provided with three on the brake hanger 5, thereby realizing the shaft-disc brake. Brake hanger 5 installed in the auxiliary beam 6 on the outer side of, as shown in fig. 3 to fig. 5 is shown, the brake hanger 5 is composed of two vertical plate 12 and two pieces of sealing plate 13 of the box-type structure are welded to each other, seal plate 13 is variable radin of the curved surface of the forgings, the upper, and lower two closing plate 13 substantially the same as the shape of the main body of the cross section, is non-parallel, and the two vertical plate 12 welded to form a variable cross-section of the box-type structure, the brake hanger 5 having the large cross section of the end of the auxiliary beam 6 radian of phase matching, radin part and the auxiliary beam 6 is welded and fixed. Brake hanger 5 small simultaneouly is closed, the two sides of the closed end is provided with a pinch point structure 14, with the fixing clamp for the two pinch point, in the utility model, using closed forging 18 of the closed brake pinhole small simultaneouly, closed forging 18 to special-shaped forgings, two pinch point structure 14 and the closed forging 18 are integrally formed, is arranged at the two sides of the plugging, the fixed strength. The brake hanger 5 a closing plate at the bottom of the 13 upper, clamp point structure is fixed with a 3rd 15, of the with the fixing clamp for a 3rd pinch point, in the structure of the fixing clamp 1 three points hanging fixed. As shown in Figure 4, the structure of 3rd pinch point 15 and the brake hanger seat 5 integrally formed of the closing plate at the bottom of the, a special-shaped forging, on the other, of the brake hanger 5 for two different shape of the special-shaped forgings and welding of the steel plate structure, at the same time the reduction in welding stress, improving the brake hanger 5 the overall strength, and to achieve a brake caliper three-point hanging, in order to realize the localization of components. Through the auxiliary beam 6 fixed brake hanger 5, full use of the framework 1 in the space, and to avoid leads the circle part and 9 at the front end of the vertical damping device generating interference. In the utility model, in each auxiliary beam 6 is fixed with three brake hanger 5, the shaft-disc brake, in the practical application, can be arranged two brake hanger 5, the shaft-disc brake, or three brake hanger 5 in, the two shaft-disc brake, a disc brake, or the two disc brake, a brake shaft disc.

On the cross-beam 3 close to the side beam 2 is, provided with a tread cleaning device installation seat 16, tread cleaning device installation seat 16 there are four, are symmetrically mounted on the two beams 3 close to the side beam 2 is, the tread cleaning device for the cleaning work of the wheel. As shown in Figure 6 and Figure 7 shows, tread cleaning device installation seat 16 supporting structure is the main body of welding and sealing faces of the box-type structure open on one side, open end with the auxiliary beam 3 matching the circular arc structure, welding is fixed on the beam 3 on. Tread cleaning device installation seat 16 with the brake hanger structure of 5 similar, is composed of two vertical plates are welded to each other and two closing plate fixed to form the variable cross-section of the box-type structure. In the tread cleaning device installation seat 16 is welded on the top surface of the closing plate is fixed with the fixing screw hole, for fixing the tread cleaning device.

In one of the beam 1 are respectively fixed with the two ends of the anti-side-rolling torsion bar seat 19, the anti-side-rolling torsion bar seat 19 and the tread cleaning device installation seat 16 are symmetrically mounted on the two ends of the cross beam, tread cleaning device installation seat 16 on the cross-beam 3 is installed at the outer side of, the anti-side-rolling torsion bar seat 19 mounted on a corresponding inner side of the position of the, anti-side-rolling meet the requirements of the torsional rigidity of the torsion bar. Two anti-side-rolling torsion bar seat only in one cross beam is provided.

As shown in Figure 1, in each of the side wall of the longitudinal beam, are respectively provided with a vehicle driving device, the cross section of the driving device is inverted J-shaped. The structure of the driving device is integrally formed, by screw or welded on the side wall of the longitudinal beam. Two lifting device is arranged on the side wall of the longitudinal beams in opposite directions.

To sum up, the utility model provides a trailer bogie frame, brake suspended, connecting base, side sills, tread cleaning device installation seat are made of box-type structure, a beam, an auxiliary beam adopts hollow steel pipe, at the same time ensuring the strength, effectively reduce the overall weight of the framework, the purpose of the car; in effectively realize the installation of the vertical damper, at the same time realize the damping requirements, increasing the air side moment of the spring, the anti-side-rolling ability; brake hanger can realize a brake caliper three-point hanging mounting, enhance the stability of the brake caliper is mounted, at the same time realizing component production domesticization; 3rd pinch point with the brake structure integrally formed at the bottom of the pinhole as the special-shaped forgings, further improve the braking the stress situation of the pinhole, reduce the welding stress; using conventional welding technique to realize the fixed installation of the entire framework, reducing the production difficulty.

As mentioned above, given by the combination of the programme content, similar technology can be derived the programme. Where is not deviated from the technical scheme of the utility model the content, according to the present utility model has the technical essence to the above embodiment of any of the simple modification of the, equivalent to change and modification, are still belongs to the technical scheme of the utility model the range.