CN113715860A - Bogie and brake hanging seat thereof - Google Patents

Abstract

The invention relates to a bogie and a brake hanging seat thereof, wherein the bogie comprises a frame structure formed by enclosing two cross beams and two side beams, and the brake hanging seat of the bogie comprises a first hanging seat body and a second hanging seat body; the first hanging seat body comprises a first mounting part and a first hanging part, and the first mounting part is fixed with the cross beam; the second hanging seat body comprises a second mounting part and a second hanging part, and the second mounting part is fixed with the side beam; the first hanging part and the second hanging part are both positioned outside the frame and between the two side beams, and the first hanging part and the second hanging part are used for hanging the same brake clamp. The stress state of the cross beam and the side beam can be improved, the structural strength requirements on the cross beam and the side beam are reduced, and therefore cost is reduced.

Description

Bogie and brake hanging seat thereof

Technical Field

The invention relates to the technical field of railway vehicles, in particular to a bogie and a brake hanging seat of the bogie.

Background

At present, the braking device of the railway vehicle is basically hung on a bogie beam or a side beam in a concentrated manner, the stress is concentrated, the stress state of the bogie beam or the side beam is poor, the requirement on the structural strength of the beam or the side beam is high, and the cost is high.

How to improve the stress state of the cross beam and the side beam and reduce the requirement on the structural strength of the cross beam and the side beam so as to reduce the cost is a technical problem which needs to be solved urgently by the technical personnel in the field.

Disclosure of Invention

The invention aims to provide a bogie and a brake hanging seat of the bogie, which can improve the stress state of a cross beam and a side beam, reduce the structural strength requirement on the cross beam and the side beam and further reduce the cost.

In order to solve the technical problem, the invention provides a brake hanging seat of a bogie, wherein the bogie comprises a frame structure formed by enclosing two cross beams and two side beams, and the brake hanging seat comprises a first hanging seat body and a second hanging seat body; the first hanging seat body comprises a first mounting part and a first hanging part, and the first mounting part is fixed with the cross beam; the second hanging seat body comprises a second mounting part and a second hanging part, and the second mounting part is fixed with the side beam; the first hanging part and the second hanging part are both positioned outside the frame and between the two side beams, and the first hanging part and the second hanging part are used for hanging the same brake clamp.

A braking hanging seat for hanging same braking clamp is including setting firmly in the first portion of hanging of crossbeam and setting firmly in the second portion of hanging of curb girder, so set up, can optimize the whole stress state of framework, avoids the crossbeam or the condition of curb girder concentrated atress, reduces the structural strength requirement to crossbeam and curb girder to reduce cost.

Optionally, the first hanging seat body and the second hanging seat body are both made of composite materials.

Optionally, the first hanging seat body includes a hanging beam and an abutting portion, one end of the abutting portion is connected to a side end surface of the hanging beam to form the first mounting portion, and the side end surface of the hanging beam and the abutting portion can be respectively attached and fixed to the cross beam; the hanging beam extends towards one side far away from the first mounting part along the length direction of the hanging beam and is provided with the first hanging part.

Optionally, a reinforcing structure is further disposed between the hanging beam and the abutting portion on a side facing the first hanging portion.

Optionally, the end face of one side of the hanging beam, which is far away from the abutting part, is further provided with a reinforcing part along the length direction of the hanging beam, the cross section of the reinforcing part is of a structure shaped like a Chinese character 'ji', and two side walls of the opening end of the structure shaped like a Chinese character 'ji' are attached and fixed with the end face of the hanging beam.

Optionally, the first lifting seat body comprises a first pavement area, a second pavement area, a third pavement area, a fourth pavement area, a fifth pavement area and a sixth pavement area; the first pavement area is arranged along the length direction of the hanging beam; the second laying area is arranged on the upper end face of the hanging beam and is of a structure in a shape like a Chinese character 'ji', two side edges of an opening end of the structure in the shape like the Chinese character 'ji' are respectively attached and fixed with the first laying area, and a reinforced cavity can be formed by enclosing the first laying area and the second laying area; the cross section of the third paving layer is of a triangular structure, the fourth paving layer is of an L-shaped structure, the fifth paving layer is of an arc-shaped structure, one side edge of the L-shaped structure is fixedly attached to the first paving layer, the other side edge of the L-shaped structure is fixedly attached to the outer wall of the arc-shaped structure, the outer wall of the arc-shaped structure is fixedly attached to the first paving layer, the fourth paving layer and the fifth paving layer can be enclosed to form a first accommodating cavity, the third paving layer is located in the first accommodating cavity, and three edges of the third paving layer are fixedly attached to the first paving layer, the fourth paving layer and the fourth paving layer respectively; the sixth laying layer area is filled in the first accommodating cavity.

Optionally, the first, second, third, fourth and fifth layup areas each employ a ply structure of prepreg at 0 °, +45 °, -45 °, 90 °/90 °, -45 °, +45 °, 0 °.

Optionally, the sixth ply region comprises at least one of a unidirectional pre-tensioned belt, a pre-tensioned yarn bundle, and an aramid honeycomb.

Optionally, the first hanging part further includes two first mounting holes disposed on the hanging beam, the two first mounting holes are disposed at intervals along the width direction of the hanging beam, a sleeve made of a metal material is fixedly disposed in each first mounting hole, and the sleeve is fixedly bonded to the first mounting holes.

Optionally, the sleeve includes first barrel and second barrel, first barrel with the second barrel penetrates by both ends respectively in the first mounting hole, just first barrel with the second barrel be equipped with respectively with the limit structure of the terminal surface butt of first mounting hole.

Optionally, the cross section of the second mounting part is a U-shaped structure, and the inner wall of the U-shaped structure can be attached and fixed to the outer wall of the side beam; and a hanging part extends from the top wall of the U-shaped structure to one side of the other side beam along the width direction of the top wall, and the second hanging part is arranged on the hanging part.

Optionally, the side wall and the top wall of the second mounting portion are respectively provided with a fixing hole and fixed with the side wall of the side beam through a fastener.

Optionally, the second hanging part comprises a mounting bolt and a hanger, and the hanger is provided with a second mounting hole for mounting the brake clamp; the hanging part is provided with a through hole, the top of the hanging part is provided with a threaded hole, and the mounting bolt can penetrate through the through hole and is matched and fixed with the threaded hole.

Optionally, the outer wall of the hanger is further provided with a limiting protrusion, and the top of the hanger can penetrate into the through hole to the limit protrusion and the lower end face of the through hole are abutted.

Optionally, the number of the through holes and the number of the hanging pieces are two respectively, the two through holes are arranged at intervals along the length direction of the cross beam, and the hanging portion is further provided with a gap between the two through holes.

Optionally, a flange structure is further disposed on an edge of one side of the hanging portion, which is far away from the second mounting portion, along a length direction of the hanging portion.

Optionally, the second lifting seat body comprises a first laying layer and a second laying layer, the cross sections of the first laying layer and the second laying layer are both in a U-shaped structure, and the width of the first laying layer is greater than that of the second laying layer; the second laying layer is positioned in the first laying layer, and one side wall and the top wall of the second laying layer are respectively attached and fixed with one side wall and the top wall of the first laying layer to form the hanging part; and the other side wall of the second laying layer, the other side wall of the first laying layer and the top wall of the first laying layer are enclosed to form a second mounting part with a U-shaped section.

Optionally, the hanging part further comprises a third layer of paving, a fourth layer of paving and a fifth layer of paving; the cross section of the third laying layer is of a triangular structure, the fourth laying layer is fixedly attached to the second laying layer and is enclosed with the second laying layer to form a second accommodating cavity, the second accommodating cavity is matched with the third laying layer, and the third laying layer is positioned in the second accommodating cavity and is fixedly attached to the second laying layer and the fourth laying layer respectively; the fifth layer laying area is filled in the second accommodating cavity.

Optionally, the first, second, third and fourth layup layers each employ a layup layer structure of prepreg at 0 °, +45 °, -45 °, 90 °/90 °, -45 °, +45 °, 0 °.

Optionally, the fifth laid layer comprises at least one of unidirectional pre-tensioned tape, pre-tensioned yarn bundles and aramid honeycombs.

The invention also provides a bogie comprising a brake spider as described above.

The technical effect of the bogie with the brake hanging seat is similar to that of the brake hanging seat, and for saving space, the detailed description is omitted.

Drawings

FIG. 1 is a schematic structural view of a brake hanger of a bogie provided by an embodiment of the invention in an installed state;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the first hanging seat body;

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a cross-sectional view of FIG. 3;

FIG. 6 is a schematic view of a layer structure of the first crane base;

FIG. 7 is a schematic structural view of the second hanger body;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a cross-sectional view A-A of FIG. 8;

fig. 10 is a side view of fig. 8.

In the accompanying fig. 1-4, the reference numerals are illustrated as follows:

1-a cross beam;

2-side beam;

3-a first hanging body, 31-a first mounting part, 32-a first hanging part, 33-a hanging beam, 331-a reinforcing piece, 332-a reinforcing cavity, 34-an abutting part, 35-a reinforcing structure, 36-a sleeve, 361-a first barrel and 362-a second barrel;

41-a first layer area, 42-a second layer area, 43-a third layer area, 44-a fourth layer area, 45-a fifth layer area, 46-a sixth layer area;

5-a second hanging seat body, 51-a second mounting part, 511-a fixing hole, 52-a second hanging part, 53-a mounting bolt, 54-a hanging part, 541-a limiting bulge, 542-a second mounting hole, 543-a threaded hole, 55-a hanging part, 551-a notch, 552-a flanging structure, 56-a reinforcing area and 57-a hanging area;

61-a first laid layer, 62-a second laid layer, 63-a third laid layer, 64-a fourth laid layer, 65-a fifth laid layer;

7-braking the clamp.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

The embodiment of the invention provides a bogie and a braking hanging seat of the bogie, wherein the bogie comprises a framework and the braking hanging seat, the braking hanging seat is used for hanging a braking clamp 7, the framework comprises two cross beams 1 and two side beams 2, and the two cross beams 1 and the two side beams 2 are enclosed to form a frame structure. Specifically, the brake hanging seat comprises a first hanging seat body 3 and a second hanging seat body 5, wherein the first hanging seat body 3 comprises a first mounting part 31 and a first hanging part 32, the first mounting part 31 and the first hanging part 32 are fixedly connected or are of an integrated structure, and the first mounting part 31 is fixed with the cross beam 1; the second hanger body 5 includes a second mounting portion 51 and a second hanging portion 52, the second mounting portion 51 and the second hanging portion 52 are fixedly connected or are in an integral structure, and the second mounting portion 51 is fixed with the side beam 2; the first hanging portion 32 and the second hanging portion 52 are located outside the frame and between the two side members 2, and the first hanging portion 32 and the second hanging portion 52 are used for hanging the same brake caliper 7.

That is to say, the brake hanging seat for hanging the same brake clamp 7 comprises the first hanging part 32 fixedly arranged on the cross beam 1 and the second hanging part 52 fixedly arranged on the side beam 2, so that the whole stress state of the framework can be optimized, the condition that the cross beam 1 or the side beam 2 is stressed in a concentrated manner is avoided, the structural strength requirements on the cross beam 1 and the side beam 2 are reduced, and the cost is reduced.

Furthermore, the first hanging seat body 3 and the second hanging seat body 5 are both made of composite materials, and compared with the case that the first hanging seat body and the second hanging seat body are made of metal materials, the performance can be improved, and meanwhile, the overall structure is light.

In the above embodiment, as shown in fig. 1, the cross beam 1 has a square cross section, the first hanger body 3 further includes a hanging beam 33 and an abutting portion 34, one end of the abutting portion 34 is connected to a side end surface of the hanging beam 33 and encloses to form the first mounting portion 31, the first mounting portion 31 includes a mounting surface having an L-shaped structure, an inner side wall (a side end surface of the hanging beam 33 and a side wall of the abutting portion 34) of the L-shaped structure can be attached and fixed to two adjacent side walls of the cross beam 1, and the hanging beam 33 extends in a length direction thereof to a side away from the first mounting portion 31 and is provided with the first hanging portion 32. The installation face of L type structure can be with the cross-section be the lateral wall laminating of the crossbeam 1 of square structure, then accessible fastener etc. mode realizes fixedly to guarantee that the effect between first installation department 31 and the crossbeam 1 is stable. Of course, in this embodiment, the specific structure of the first mounting portion 31 is not limited, for example, the first mounting portion 31 may be configured to include a mounting surface with a U-shaped structure, so as to be attached and fixed to three side surfaces of the cross beam 1, and the whole structure may be simplified by attaching and fixing two side surfaces while ensuring stable fixing.

The hanging beam 33 extends along the length direction thereof to a side far away from the first mounting portion 31 and is provided with the first hanging portion 32, or the first hanging portion 32 may be fixedly connected with the hanging beam 33 or the abutting portion 34, and when the hanging beam 33 extends and is provided with the first hanging portion 32, the manufacturing process can be simplified and the overall structural strength can be ensured.

Further, a reinforcing structure 35 is further provided between the hanging beam 33 and the abutting portion 34 toward the side of the first hanging portion 32, that is, one end of the abutting portion 34 is fixed to the side end surface of the hanging beam 33, the first mounting portion 31 fixed to the cross beam 1 is formed on one side of the abutting portion 34, and the reinforcing structure 35 is provided on the other side of the abutting portion 34, as shown in fig. 3, the reinforcing structure 35 is a reinforcing rib provided between the hanging beam 33 and the abutting portion 34, and the reinforcing rib smoothly passes between the hanging beam 33 and the abutting portion 34, or the reinforcing rib may be a reinforcing plate, and both ends of the reinforcing rib may be connected and fixed to the hanging beam 33 and the abutting portion 34, respectively, which is not particularly limited.

In the above embodiment, as shown in fig. 3 to 5, a reinforcing member 331 is further provided on an end surface of the suspension beam 33 on a side away from the abutting portion 34 in a longitudinal direction thereof, the reinforcing member 331 has a cross-sectional structure in which both side walls of an open end of the structure are fixed in contact with the end surface of the suspension beam 33. The n-shaped structure is fixedly arranged on the end face of the hanging beam 33 and encloses the end face and the end face to form a reinforcing cavity 332, and the reinforcing cavity 332 is arranged along the length direction of the hanging beam 33, so that the overall structural strength of the hanging beam 33 can be improved, and the situations of bending and the like can be avoided. Of course, in this embodiment, the reinforcing member 331 may be provided as a solid structure (without a cavity), and the reinforcing cavity 332 may ensure structural strength and make the overall structure lighter.

In the above embodiment, as shown in fig. 6, the first hoist body 3 includes six layer areas, i.e., a first layer area 41, a second layer area 42, a third layer area 43, a fourth layer area 44, a fifth layer area 45, and a sixth layer area 46, wherein the first layer area 41 is arranged along the length direction of the hoisting beam 33; the second laying area 42 is arranged on the upper end face of the hanging beam 33 and is of a zigzag structure, two side edges of the opening end of the zigzag structure are respectively attached and fixed with the first laying area 41, and a reinforcing cavity 332 can be formed between the first laying area 41 and the second laying area 42 in a surrounding manner; the cross section of the third paving layer 43 is roughly of a triangular structure, the fourth paving layer 44 is of an L-shaped structure, the fifth paving layer 45 is of an arc-shaped structure, one side edge of the L-shaped structure is fixedly attached to the first paving layer 41, the other side edge of the L-shaped structure is fixedly attached to the outer wall of the arc-shaped structure, the outer wall of the arc-shaped structure is fixedly attached to the first paving layer 41, the L-shaped structure and the arc-shaped structure can enclose to form a first accommodating cavity, the third paving layer 43 of the triangular structure is located in the first accommodating cavity, and three edges of the triangular structure are fixedly attached to the first paving layer 41, the fourth paving layer 44 and the fifth paving layer 45 respectively; the sixth layup area 46 is filled in the void of the first receiving cavity.

The cross section of the third pavement area 43 is substantially triangular, structural reinforcement is achieved through a cavity structure, the lightweight effect is guaranteed, and similarly, the reinforcing cavity 332 is formed by enclosing the first pavement area 41 and the second pavement area 42, so that the structural strength of the hanging beam 33 can be guaranteed, the situations such as bending can be avoided, the overall structure can be simplified, and the lightweight can be further achieved. The shape of each layer area is set according to the structure of the first hanging seat body 3, and the layer areas are fixed by glue joint, so that the manufacturing process can be simplified.

Specifically, the layering process of the first hanging seat body 3 is as follows:

(1) laying a third pavement zone 43 with a cross section in a generally triangular structure;

(2) attaching and adhesively securing one side of the fourth layup area 44 in the L-shaped configuration to the first side of the triangular configuration, while the other side of the L-shaped configuration is substantially aligned with the second side of the triangular configuration;

(3) paving a fifth paving layer area 45 in an arc-shaped structure, wherein the outer wall of the fifth paving layer area 45 is respectively attached and fixed with the side wall of the L-shaped structure and the third side edge of the triangular structure, and meanwhile, the outer wall of the arc-shaped structure also has an extension surface of which part is approximately positioned at the second side edge of the triangular structure;

at this time, the fourth and fifth pavement areas 44 and 45 are respectively located on both sides of the third pavement area 43, and the fourth and fifth pavement areas 44 and 45 respectively have extension surfaces partially substantially on the second side edge of the third pavement area 43;

(4) laying a second laying area 42, arranging the second laying area along the second side edge and the extending surface, and respectively attaching and fixing the second laying area 44, the third laying area 43 and the fifth laying area 45;

at this time, the second laying area 42, the fourth laying area 44 and the fifth laying area 45 can enclose to form a first accommodating cavity, and the triangular structure of the third laying area 43 is attached and fixed in the first accommodating cavity;

(5) laying a first laying area 41, wherein the cross section of the first laying area 41 is of a zigzag structure, two side flanges of the opening end of the zigzag structure are respectively attached and fixed with a second laying area 42, and a reinforcing cavity 332 is formed between the first laying area 41 and the second laying area 42;

(6) and finally, laying a sixth laying area 46, wherein the sixth laying area 46 is filled in the gap of the first accommodating cavity and is positioned among the second laying area 42, the third laying area 43, the fourth laying area 44 and the fifth laying area 45.

The sixth ply area 46 may be at least one of a unidirectional pre-tensioned tape, a pre-tensioned yarn bundle and an aramid honeycomb, and the fixation between the ply areas is fixed by gluing. In each of the ply areas, except for the sixth ply area 46, the rest ply areas adopt a ply structure of prepreg of 0 degrees, +45 degrees, -45 degrees, 90 degrees/90 degrees, -45 degrees, +45 degrees and 0 degrees, so as to ensure the overall structural strength.

In the above embodiment, the first hanging portion 32 includes two first mounting holes disposed on the hanging beam 33, the two first mounting holes are disposed at one side end of the hanging beam 33 far from the first mounting portion 31, the two first mounting holes are spaced apart along the width direction of the hanging beam 33, that is, the central connecting line of the two first mounting holes is parallel to the cross beam 1, a metal sleeve 36 is fixedly disposed in each first mounting hole, the sleeve 36 is fixedly bonded to the first mounting holes, and the brake caliper 7 can be fixed by the mounting bolts 53 passing through the sleeve 36. Because the first hanging part 32 is made of composite materials, the sleeve 36 made of metal materials is arranged in each first mounting hole, so that the first mounting hole is conveniently connected with the brake clamp 7 through the mounting bolt 53, the inner wall of the first mounting hole is prevented from being abraded by the mounting bolt 53, and the structural strength and the service life are ensured.

Further, sleeve 36 includes two barrels of first barrel 361 and second barrel 362, and wherein, first barrel 361 and second barrel 362 penetrate first mounting hole by both ends respectively in, and first barrel 361 and second barrel 362 are equipped with the limit structure with the terminal surface butt of first mounting hole respectively. In detail, as shown in fig. 5, the first cylinder 361 penetrates into the first mounting hole from the top end of the first mounting hole until the limiting structure arranged in the first cylinder 361 abuts against the upper end face of the first mounting hole, the second cylinder 362 penetrates into the first mounting hole from the bottom end of the first mounting hole until the limiting structure arranged in the second cylinder 362 abuts against the lower end face of the first mounting hole, the two cylinders (the first cylinder 361 and the second cylinder 362) are connected or close to each other in the first mounting hole, the two cylinders are fixed to the inner wall and the end face of the first mounting hole through glue, and the limiting structure arranged outside the first mounting hole is plugged with the end face of the first mounting hole through sealant.

In this embodiment, limit structure is the loop configuration who sets up along the circumference of barrel, and this limit structure can also be connected the time through construction bolt 53 and braking clamp 7 to the later stage when playing limiting displacement, plays the effect of support to construction bolt 53, avoids construction bolt 53's tip (or establishes metal washer in addition) and composite material's hanging beam 33 direct contact.

In the above embodiment, as shown in fig. 10, the second mounting portion 51 has a U-shaped cross section, an inner wall of the U-shaped cross section is fitted to the upper end surface of the side member 2, and the inner wall of the U-shaped cross section can be fitted and fixed to an outer wall of the side member 2, that is, the second mounting portion 51 is fitted and fixed to three side walls of the side member 2, respectively, so as to ensure the connection stability therebetween. The second mounting portion 51 has a U-shaped top wall with a hanging portion 55 extending in the width direction of the top wall in the direction of the other side member 2, and the hanging portion 55 has a second hanging portion 52, and the second hanging portion 52 is used for mounting the brake caliper 7. Of course, in this embodiment, the cross section of the second mounting portion 51 may be L-shaped to be attached and fixed to two side surfaces of the side beam 2, and the second hanger body 5 may be provided with two hanging points for hanging the brake caliper 7, and the two hanging points are spaced apart from each other along the length direction of the cross beam 1, so that when the second mounting portion 51 is U-shaped in cross section and attached and fixed to three side wall surfaces of the side beam 2, the stability of the fixing can be ensured.

In the above embodiment, as shown in fig. 7 and 8, the side wall and the top wall of the U-shaped structure are respectively provided with the fixing holes 511 and fixed to the side walls of the side member 2 by the fasteners, or alternatively, each of the side walls of the U-shaped structure and the side member 2 may be fixed to each other by bonding, and two of the side walls may be fixed to the side member 2 by the fasteners, respectively, and each of the side walls of the U-shaped structure and the side member 2 may be fixed to each other by the fasteners, so that the connection stability therebetween can be further ensured.

In the above embodiment, as shown in fig. 9, the second hanging portion 52 includes the mounting bolt 53 and the hanger 54, wherein the hanger 54 is provided with the second mounting hole 542 for mounting the brake caliper 7, the hanging portion 55 is provided with a through hole, the top of the hanger 54 is provided with the threaded hole 543 and the outer wall of the hanger 54 is provided with the limiting protrusion 541, the top of the hanger 54 penetrates into the through hole until the limiting protrusion 541 abuts against the lower end surface of the through hole, and the mounting bolt 53 is engaged with the threaded hole 543 from the other end of the through hole. That is to say, the top of hanger 54 is equivalent to a thread bush that is equipped with internal thread hole 543, and this thread bush stretches into in the through-hole from the one end of through-hole, and the bolt cooperates in order to realize fixedly from the other end of through-hole and screw hole 543, and is concrete, this second portion 52 of hanging still includes the gasket, and this gasket is located a side terminal surface of through-hole towards the bolt, and the gasket can press from both sides tightly in the both sides terminal surface of through-hole with spacing arch 541 respectively to realize fixedly.

Of course, the hanger 54 may not be provided with the limiting protrusion 541, the mounting bolt 53 may pass through the through hole and be fixed in cooperation with the threaded hole 543 in the top of the hanger 54, and the setting of the limiting protrusion 541 can further ensure the connection stability.

The number of the through holes and the number of the hanging parts 54 are two respectively, the two through holes are arranged at intervals along the length direction of the cross beam 1, meanwhile, the hanging part 55 is further provided with an opening 551, and the opening 551 is arranged between the two through holes to avoid wheel pairs and avoid interference. That is, the two first hanging portions 32 form one hanging point or two hanging points, and the two second hanging portions 52 form one hanging point, respectively, to hang the brake caliper 7 by a three-point hanging method or a four-point hanging method.

Further, as shown in fig. 7 and 10, a flanging structure 552 is further disposed along a length direction of one side edge of the hanging portion 55 away from the second mounting portion 51, and the flanging structure 552 can increase the structural strength of the hanging portion 55 and avoid the hanging portion 55 from bending and deforming. Of course, in this embodiment, the specific reinforcing manner of the hanging portion 55 is not limited, and a reinforcing cavity may be provided on the upper end surface of the hanging portion 55. Specifically, this turn-ups structure 552 can locate the one side that hangs portion 55 towards U type structure open end, also can locate the one side that hangs portion 55 and keep away from U type structure open end all can, in this embodiment, sets up this turn-ups structure 552 in the one side towards U type structure open end, can make overall structure more regular.

In the above embodiment, the second hoisting base body 5 includes the first laying layer 61 and the second laying layer 62, the cross sections of the first laying layer 61 and the second laying layer 62 are both U-shaped structures, and the width of the first laying layer 61 is greater than that of the second laying layer 62; the second laying layer 62 is positioned in the first laying layer 61, and a side wall and a top wall of the second laying layer 62 are respectively attached and fixed with a side wall and a top wall of the first laying layer 61 to form the suspension part 55; the other side wall of second laid layer 62, the other side wall of first laid layer 61 and the top wall of first laid layer 61 enclose second mounting portion 51 having a U-shaped cross section. That is to say, two paving layers that have different widths, the same length and the U-shaped cross section are placed in the paving layer with the larger width, and the sidewall and the top wall of one side of the two paving layers are attached and fixed to form the flanging structure 552, so that the reinforcement is realized, and the sidewall of the other side of the two paving layers forms a gap and encloses to form a U-shaped structure, which is the second mounting portion 51, and the overlapped portion of the two paving layers forms the hanging portion 55 and is provided with the second hanging portion 52. With such an arrangement, the second hanging seat body 5 has a simpler structure and can simplify the manufacturing process.

Further, the hanging portion 55 further includes a third layer of paving 63, a fourth layer of paving 64, and a fifth layer of paving 65; as shown in fig. 9, the cross section of the third paved layer 63 is triangular, the fourth paved layer 64 is fixedly attached to the second paved layer 62 and forms a second accommodating cavity with the second paved layer 62, the second accommodating cavity is matched with the third paved layer 63 with the triangular cross section, and the third paved layer 63 is located in the second accommodating cavity and is fixedly attached to the second paved layer 62 and the fourth paved layer 64 respectively; the fifth paved layer 65 is filled in the gap of the second accommodating cavity.

Specifically, as shown in fig. 7, the hanging portion 55 includes a reinforcing region 56 and a hanging region 57 along a longitudinal direction, wherein the reinforcing region 56 is located on a side facing the first hanging base body 3, the hanging region 57 is located on a side away from the first hanging base body 3, the hanging region 57 is provided with the through hole, the slit 551 and the second hanging portion 52, the third laying layer 63 is located in the reinforcing region 56, specifically, the cross section of the third laying layer 63 is a triangular structure, and a cavity (the axis of the cavity is arranged along a transverse direction) is provided therein, so as to reduce the overall weight while realizing the structural reinforcement, specifically, the first laying layer 61 and the second laying layer 62 extend from the reinforcing region 56 to the hanging region 57, the third laying layer 63 is located in the reinforcing region 56, one side edge of the third laying layer 63 is fixedly attached to the second laying layer 62, the other two side edges are fixedly attached to the fourth laying layer 64, two ends of the fourth laying layer 64 are fixedly attached to the second laying layer 62, and the middle of the fourth paved layer 64 is provided with a bend around the outer wall of the third paved layer 63 to wrap the third paved layer 63 in the second paved layer 62 and the fourth paved layer 64. The shape of each laying layer is set according to the structure of the second hoisting base body 5, and the laying layers are fixed by gluing, so that the manufacturing process can be simplified.

Specifically, the laying process of the second hanger body 5 is as follows:

(1) laying a third laying layer 63 with a cross section of a generally triangular structure;

(2) the bending part of the fourth paving layer 64 is fixedly attached to two side edges of the third paving layer 63, and meanwhile, two ends of the fourth paving layer 64 are in smooth transition with the other side edge of the third paving layer 63 respectively;

(3) paving the second paving layer 62 with a U-shaped structure in cross section, enabling an opening of the second paving layer 62 to face one side of the third paving layer 63 and one side of the fourth paving layer 64, and enabling the inner wall surface of the top wall of the second paving layer 62 to be respectively attached and fixed with the side edge of the third paving layer 63 and two ends of the second paving layer 62;

(4) paving the first paving layer 61 with a U-shaped structure in cross section, enabling an opening of the first paving layer 61 to face one side of the second paving layer 62, enabling one side wall of the first paving layer 61 to be attached to one side wall of the second paving layer 62, and enabling the inner wall surface of the top wall of the first paving layer 61 to be attached and fixed to the outer wall surface of the top wall of the second paving layer 62;

at this time, the other side wall of the second paved layer 62, the other side wall of the first paved layer 61, and the top wall of the first paved layer 61 enclose the second mounting portion 51 having a U-shaped cross section;

(6) and finally, paving a fifth paving layer 65, wherein the fifth paving layer 65 is filled in the gap of the second accommodating cavity and is positioned among the second paving layer 62, the third paving layer 63 and the fourth paving layer 64.

The fifth laying layer 65 can be at least one of a unidirectional pre-tightening belt, a pre-tightening yarn bundle and an aramid fiber honeycomb, and the fixing among the laying layers is fixed through gluing. In each of the above-described laid layers, except for the fifth laid layer 65, the rest of the laid layers are each of a prepreg laid layer structure of 0 °, +45 °, -45 °, 90 °/90 °, -45 °, +45 °, and 0 °, so as to ensure the overall structural strength.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims (21)

1. A braking hanging seat of a bogie comprises a frame structure formed by two cross beams (1) and two side beams (2) in an enclosing manner; the brake hanging seat is characterized by comprising a first hanging seat body (3) and a second hanging seat body (5);

the first hanging seat body (3) comprises a first mounting part (31) and a first hanging part (32), and the first mounting part (31) is fixed with the cross beam (1);

the second hanger body (5) comprises a second mounting part (51) and a second hanging part (52), and the second mounting part (51) is fixed with the side beam (2);

the first hanging part (32) and the second hanging part (52) are both located outside the frame and between the two side beams (2), and the first hanging part (32) and the second hanging part (52) are used for hanging the same brake clamp (7).

2. The brake hanging seat according to claim 1, characterized in that the first hanging seat body (3) and the second hanging seat body (5) are both made of composite material.

3. The brake hanging seat according to claim 2, characterized in that the first hanging seat body (3) comprises a hanging beam (33) and an abutting part (34), one end of the abutting part (34) is connected with the side end surface of the hanging beam (33) and forms the first mounting part (31), and the side end surface of the hanging beam (33) and the abutting part (34) can be respectively attached and fixed with the cross beam (1);

the hanging beam (33) extends to one side far away from the first mounting part (31) along the length direction and is provided with the first hanging part (32).

4. A brake lifting seat according to claim 3, characterised in that a reinforcing structure (35) is provided between the lifting beam (33) and the abutment (34) on the side facing the first suspension part (32).

5. The brake hanging seat according to claim 3, characterized in that a reinforcement (331) is further arranged along the length direction of the end surface of one side of the hanging beam (33) far away from the abutting part (34), the cross section of the reinforcement (331) is of a structure in a shape like a Chinese character 'ji', and two side walls of the open end of the structure in the shape like a Chinese character 'ji' are attached and fixed with the end surface of the hanging beam (33).

6. The brake hanger according to claim 5, characterized in that the first hanger body (3) comprises a first (41), a second (42), a third (43), a fourth (44), a fifth (45) and a sixth (46) layer;

the first pavement zone (41) is arranged along the length direction of the hanging beam (33);

the second paving layer (42) is arranged on the upper end face of the hanging beam (33) and is of a zigzag structure, two side edges of an opening end of the zigzag structure are respectively attached and fixed with the first paving layer (41), and a reinforcing cavity (332) can be formed between the first paving layer (41) and the second paving layer (42) in a surrounding mode;

the cross section of the third paving layer (43) is of a triangular structure, the fourth paving layer (44) is of an L-shaped structure, the fifth paving layer (45) is of an arc-shaped structure, one side edge of the L-shaped structure is fixedly attached to the first paving layer (41), the other side edge of the L-shaped structure is fixedly attached to the outer wall of the arc-shaped structure, the outer wall of the arc-shaped structure is fixedly attached to the first paving layer (41), the fourth paving layer (44) and the fifth paving layer (45) can enclose to form a first accommodating cavity, the third paving layer (43) is located in the first accommodating cavity, and three edges of the third paving layer (43) are fixedly attached to the first paving layer (41), the fourth paving layer (44) and the fourth paving layer (45) respectively;

the sixth layup area (46) is filled in the first accommodating cavity.

7. A brake hanger according to claim 6, wherein the first, second, third, fourth and fifth layup zones (41, 42, 43, 44, 45) each employ a lay-up structure of prepreg material of 0 °, +45 °, -45 °, 90 °/90 °, -45 °, +45 °, 0 °.

8. The brake hanger of claim 6 wherein the sixth layup area (46) comprises at least one of a unidirectional pre-tensioned belt, a pre-tensioned yarn bundle, and an aramid honeycomb.

9. The brake hanging seat according to any one of claims 2 to 8, characterized in that the first hanging part (32) further comprises two first mounting holes arranged on the hanging beam (33), the two first mounting holes are arranged at intervals along the width direction of the hanging beam (33), a sleeve (36) made of metal is fixedly arranged in each first mounting hole, and the sleeve (36) is fixedly bonded with the first mounting hole.

10. The brake hanging seat according to claim 9, characterized in that the sleeve (36) comprises a first cylinder (361) and a second cylinder (362), the first cylinder (361) and the second cylinder (362) respectively penetrate into the first mounting hole from two ends, and the first cylinder (361) and the second cylinder (362) are respectively provided with a limiting structure abutting against the end surface of the first mounting hole.

11. The brake hanging seat according to any one of claims 1 to 8, characterized in that the cross section of the second mounting part (51) is of a U-shaped structure, and the inner wall of the U-shaped structure can be attached and fixed with the outer wall of the side beam (2);

a hanging part (55) extends from the top wall of the U-shaped structure to one side of the other side beam (2) along the width direction of the top wall, and the second hanging part (52) is arranged on the hanging part (55).

12. The brake hanger of claim 11 wherein the side walls and the top wall of the second mounting portion (51) are provided with fixing holes (511), respectively, and are fixed to the side walls of the side beam (2) by fasteners.

13. The brake hanger of claim 11, characterized in that the second hanger (52) comprises a mounting bolt (53) and a hanger (54), the hanger (54) being provided with a second mounting hole (542) for mounting the brake clamp (7);

the hanging part (55) is provided with a through hole, the top of the hanging part (54) is provided with a threaded hole (543), and the mounting bolt (53) can penetrate through the through hole and is matched and fixed with the threaded hole (543).

14. The brake hanging seat according to claim 13, characterized in that the outer wall of the hanging member (54) is further provided with a limiting protrusion (541), and the top of the hanging member (54) can penetrate into the through hole until the limiting protrusion (541) abuts against the lower end surface of the through hole.

15. A brake hanger according to claim 14 wherein the number of through holes and hangers (54) is two, the two through holes being spaced apart along the length of the beam (1), and the suspension portion (55) further having a gap (551) between the two through holes.

16. The brake hanger of claim 13 wherein a flange structure (552) is further provided along the length of the side edge of the hanging portion (55) away from the second mounting portion (51).

17. The brake lifting saddle according to claim 16, characterized in that said second lifting saddle body (5) comprises a first laying layer (61) and a second laying layer (62), said first laying layer (61) and said second laying layer (62) each having a U-shaped cross section, and said first laying layer (61) having a width greater than that of said second laying layer (62);

the second laying layer (62) is positioned in the first laying layer (61), and one side wall and the top wall of the second laying layer (62) are respectively attached and fixed with one side wall and the top wall of the first laying layer (61) to form the suspension part (55);

the other side wall of the second laying layer (62), the other side wall of the first laying layer (61) and the top wall of the first laying layer (61) enclose a second mounting part (51) with a U-shaped cross section.

18. The brake pod of claim 17, wherein the suspension portion (55) further comprises a third layer of lay-up (63), a fourth layer of lay-up (64), and a fifth layer of lay-up (65);

the cross section of the third laying layer (63) is of a triangular structure, the fourth laying layer (64) is fixedly attached to the second laying layer (62) and forms a second accommodating cavity with the second laying layer (62) in a surrounding mode, the second accommodating cavity is matched with the third laying layer (63), and the third laying layer (63) is located in the second accommodating cavity and is fixedly attached to the second laying layer (62) and the fourth laying layer (64) respectively;

the fifth paving layer area (45) is filled in the second accommodating cavity.

19. A brake hanger according to claim 18, characterized in that the first and second and third and fourth laid layers (61, 62, 63, 64) each adopt a laid layer structure of prepreg of 0 °, +45 °, -45 °, 90 °/90 °, -45 °, +45 °, 0 °.

20. The brake spider of claim 18, wherein the fifth lay-up (65) comprises at least one of unidirectional pre-tensioned tape, pre-tensioned yarn bundles and aramid honeycombs.

21. A bogie characterised by comprising a brake spider as claimed in any one of claims 1 to 20.

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