CN213168086U - Rocking arm mount pad, bogie framework and rail vehicle - Google Patents

Abstract

The utility model provides a rocking arm mount pad, bogie framework and rail vehicle belongs to rail vehicle technical field. The rotary arm mounting seat comprises a mounting seat main body and a rotary arm extending seat; the mounting seat main body is provided with a welding part used for welding with the middle section of the side beam, and the welding part is provided with a first welding end; the rotating arm extension seat is provided with a second welding end used for being welded with the first welding end and a welding surface used for being matched and welded with the bottom surface of a connecting part between the middle section and the end section of the side beam. The bogie frame comprises two side beams, and two groups of rotating arm mounting seats are welded at two ends of each side beam respectively; each group is provided with two parallel rotating arm mounting seats. The railway vehicle comprises the bogie frame. The utility model provides a rocking arm mount pad, bogie framework and rail vehicle have add in the mount pad main part and have established rocking arm extension seat, increased the rocking arm mount pad when installing to the bogie framework with the area of contact of bogie framework, avoided stress concentration.

Description

Rocking arm mount pad, bogie framework and rail vehicle

Technical Field

The utility model belongs to the technical field of rail vehicle, more specifically say, relate to a rocking arm mount pad, bogie framework and rail vehicle.

Background

The bogie frame is a running part of a railway vehicle, is one of the most key components of the subway vehicle, directly determines the safety and the comfort of the vehicle operation, and has higher and higher requirements on the performance of the railway vehicle, particularly the bogie frame, particularly under the working condition of high-speed and heavy-load operation. The frame is a main framework of the bogie frame, is the most central component on the bogie frame, and plays roles of connecting various functional components, transmitting and bearing load and the like.

The jib mount is an important component of the bogie frame. Most of the existing rotating arm mounting bases are integrally formed structures, and the manufacturing process is generally forging or casting. The requirement of the rotating arm mounting seat of the high-speed heavy-load vehicle is high, and the welding part of the rotating arm mounting seat and a bogie frame is a weak link in strength calculation analysis or fatigue test. The bogie frame has limited design space, unreasonable structure and greatly influenced strength.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a rocking arm mount pad, bogie framework and rail vehicle aims at solving present rocking arm mount pad and the welding department of bogie framework comparatively weak, influences the technical problem of bogie framework intensity.

On one hand, the rotating arm mounting base comprises a mounting base main body and a rotating arm extending base; the mounting seat main body is provided with a welding part used for welding with the middle section of the side beam, and the welding part is provided with a first welding end; the rotating arm extension seat is provided with a second welding end used for being welded with the first welding end and a welding surface used for being matched and welded with the bottom surface of the connecting part between the middle section and the end section of the side beam.

Further, the mounting seat main body comprises a main board and a mounting part which is arranged at the bottom of the main board and used for mounting a rotating arm; the mounting part is rectangular, and two top corners positioned above the mounting part are arranged in a round angle manner; the welding part is arranged on the top surface of the main board; the mainboard is close to be provided with on one side of first welding end and encircle the corresponding fillet of installation department and outside convex arcwall face.

Further, the width of the installation part is 170-180mm, and the radius of the arc-shaped surface is 60-80 mm.

One of the above technical solutions has the following beneficial effects: compared with the prior art, the rotary arm extension seat is additionally arranged on the mounting seat main body, the contact area between the rotary arm mounting seat and a bogie frame when the rotary arm mounting seat is mounted to the bogie frame is increased, stress dispersion is realized, stress concentration at the welding position of the mounting seat main body and the bogie frame is avoided, and the strength of the bogie frame, the safety of train operation and the comfort are ensured. In addition, the rotating arm mounting base provided by the technical scheme adopts a split assembly structure, and the assembly and the welding are more convenient. And the whole rotating arm mounting base has compact structure, small occupied space and high strength.

In another aspect, a bogie frame is provided, which comprises two side beams, and the swivel arm mounting bases are welded on the two side beams.

Furthermore, the outer sides of the two side beams are respectively provided with an integrated seat; the integrated base is provided with a first snake-shaped resistant mounting base on one side and a side rolling resistant mounting base on the other side; the two anti-side-rolling installation seats arranged on the two integration seats are used for mutually matching and installing the same anti-side-rolling torsion bar device, the two second anti-snake-shaped installation seats arranged on the two integration seats are used for being in one-to-one correspondence with the two first anti-snake-shaped installation seats arranged on two sides of a bogie, and the corresponding first anti-snake-shaped installation seats and the second anti-snake-shaped installation seats are used for matching and installing the same anti-snake-shaped shock absorber.

Furthermore, a fixing part for fixing the upper part of the integration seat is arranged on an upper cover plate of the side beam, a supporting part for supporting the integration seat is arranged on a lower cover plate, the supporting part is positioned below the fixing part, and the supporting part, the fixing part and the side beam part positioned between the supporting part and the fixing part are encircled to form the integration seat mounting seat for mounting the integration seat.

Further, the integration seat and each part which encloses the integration seat mounting seat are respectively welded.

Further, the second anti-snake-shaped mounting seat comprises two columns which are parallel to each other and arranged at acute angles with the integrated seat, and each column is provided with a first through hole which axially penetrates through the corresponding column and the integrated seat.

Further, anti side roll mount pad includes that two are parallel to each other and all follow the outside support that extends of horizontal direction, two the support divide to be located the second is resisted the both sides of snakelike mount pad, just the extension of support is served and is provided with and runs through along vertical direction the second through-hole of support.

One of the above technical solutions has the following beneficial effects: compared with the prior art, the rotating arm mounting base has basically the same technical effect, and is not repeated herein.

In another aspect, a rail vehicle is provided comprising the truck frame.

One of the above technical solutions has the following beneficial effects: compared with the prior art, the bogie frame structure has basically the same technical effect, and is not repeated herein.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a swivel arm mount provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bogie frame according to an embodiment of the present invention;

FIG. 3 is a side elevational view of the truck frame of FIG. 2;

fig. 4 is a schematic perspective view of an integrated base according to an embodiment of the present invention;

fig. 5 is a schematic top view of the integrated socket shown in fig. 4.

In the figure: 100. a rotating arm mounting base; 110. a mount body; 111. welding the part; 113. a first weld end; 114. a main board; 115. an installation part; 116. an arc-shaped surface; 120. a rotating arm extension seat; 121. a second weld end; 122. welding a surface; 200. a side beam; 210. an upper cover plate; 220. a lower cover plate; 230. a fixed part; 240. a support portion; 300. an integrated base; 310. a second serpentine-shaped resistant mount; 311. a cylinder; 312. a first through hole; 320. an anti-roll mount; 321. a support; 322. a second via.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a rotating arm mounting base 100 according to an embodiment of the present invention will now be described. The swivel arm mount 100 includes a mount body 110 and a swivel arm extension 120. The mount main body 110 has a welded portion 111 for welding with the middle section of the side member 200, and the welded portion 111 has an inner end and a first welded end 113. The swivel arm extension block 120 has a second welding end 121 for welding with the first welding end 113 of the welding part 111, and a welding surface 122 for fitting and welding with a bottom surface of a connection part between the middle section and the end section of the side member 200. The inner end herein refers to an end of the welded portion 111 away from the end of the side member 200 when the boom mount 100 is welded to the side member 200, and the first welded end 113 refers to an end of the welded portion 111 close to the end of the side member 200 when the boom mount 100 is welded to the side member 200.

A bogie frame in a railway vehicle generally comprises two side beams 200 arranged in parallel spaced apart relationship and a cross beam arranged in parallel between the two side beams 200. Wherein, curb girder 200 includes the interlude and locates two end section at interlude both ends separately, and the both ends of interlude are connected with corresponding end section through connecting portion respectively, and the both ends of interlude all upwards perk. The prior art swivel arm mount 100 is typically welded to the bottom of the end of the middle section of the side member 200, i.e., the bottom of the raised portion.

The operation steps of applying the swivel arm mount 100 provided by the present embodiment are:

firstly, the mounting seat main body 110 is welded to the bottom of the middle section of the side beam 200, then the rotating arm extension seat 120 is placed at the bottom of the joint between the middle section and the end section of the side beam 200, the position of the rotating arm extension seat 120 is adjusted to enable the second welding end 121 of the rotating arm extension seat to be opposite to the second welding end 121 of the mounting seat main body 110, then the rotating arm extension seat 120 is welded on the side beam 200, and finally the second welding end 121 of the rotating arm extension seat 120 is welded with the first welding end 113 of the mounting seat main body 110.

The embodiment of the utility model provides a rocking arm mount pad 100 compares with prior art, has added on mount pad main part 110 and has established rocking arm extension seat 120, has increased rocking arm mount pad 100 and has installed the area of contact to the bogie framework when to the bogie framework, has realized the stress dispersion, has avoided stress concentration in the welding department of mount pad main part 110 with the bogie framework, has guaranteed the intensity of bogie framework, the security and the travelling comfort of train operation.

In addition, the swivel arm mounting base 100 provided by the embodiment adopts a split assembly structure, so that the assembly and the welding are more convenient. And the whole rotating arm mounting base 100 has compact structure, small occupied space and high strength.

The mount main body 110 includes a main plate 114 and a mounting portion 115 provided at the bottom of the main plate 114 for mounting the swivel arm, and the mounting portion 115 protrudes to both sides in the thickness direction of the main plate 114. The mounting portion 115 is used to couple with the boom. Wherein, the welding part 111 is arranged on the top surface of the main board 114; the installation portion 115 is rectangular, two top corners located above are arranged in a round angle mode, and an arc-shaped surface 116 which surrounds the corresponding round angle of the installation portion 115 and protrudes outwards is arranged on one side, close to the first welding end 113 of the welding portion 111, of the main board 114. In the prior art, an inward groove is formed on a side of the main plate 114 close to the first welding end 113 of the welding portion 111 at a position corresponding to a rounded corner of the mounting portion 115 at the outer side. This embodiment removes the groove, and provides an arc surface 116 that surrounds the corresponding rounded corner of the mounting portion 115 and protrudes outward on the side of the main plate 114 near the first welding end 113 of the welding portion 111, so as to increase the strength of the mounting base body 110, and further effectively increase the strength of the bogie frame after the jib mounting base 100 is mounted on the side sill 200, thereby improving the safety of train operation.

In addition, the width of the mounting portion 115 in the prior art is 140-150mm, and in order to further increase the strength of the boom mount 100, the width of the mounting portion 115 is increased to 170-180 mm. While the radius of the arc-shaped face 116 is set to 60-80mm which is not much different from the radius of the fillet of the mounting portion 115 to ensure a large mechanical strength of the main plate 114.

The embodiment of the utility model provides a still provide a bogie frame. Referring to fig. 2-5, the truck frame includes two side beams 200. The swiveling jib mounting base 100 is welded to each of the two side beams 200. Specifically, two sets of the swivel arm mounts 100 are welded to two ends of each side beam 200. Each set is provided with two mutually parallel swivel arm mounts 100.

The embodiment of the utility model provides a bogie frame has adopted above-mentioned rocking arm mount pad 100, has played basically the same technological effect, no longer gives unnecessary details here.

In addition, the anti-snaking mounting seat and the anti-rolling torsion bar mounting seat in the existing bogie frame are two mounting seats which are independently arranged, so that the occupied space is large, and the installation is inconvenient. To address this problem, the present embodiment provides an integrated socket 300 that integrates an anti-snake mount and an anti-roll torsion bar mount. Referring to fig. 4 and 5, as an embodiment of the bogie frame provided by the present invention, an integration seat 300 is respectively disposed at the outer sides of the two side beams 200. A second anti-snake mount 310 is provided on one side of the integrated base 300 and an anti-roll mount 320 is provided on the other side. Two anti-side-rolling installation bases 320 arranged on the two integration bases 300 are used for mutually matching and installing the same anti-side-rolling torsion bar device, two second anti-snake-shaped installation bases 310 arranged on the two integration bases 300 are used for being in one-to-one correspondence with two first anti-snake-shaped installation bases arranged on two sides of a bogie, and the corresponding first anti-snake-shaped installation bases and the second anti-snake-shaped installation bases 310 are used for being matched and installed with the same anti-snake-shaped shock absorber.

During installation, install two integration bases 300 respectively on the lateral wall of two curb girders 200 earlier, install two first anti snakelike mount pads respectively in the both sides of bogie simultaneously for two first anti snakelike mount pads and divide two second anti snakelike mount pads 310 one-to-one that locate on two integration bases 300. Then, two ends of the same anti-rolling torsion bar device are respectively installed on the anti-rolling installation seats 320 of the two integration seats 300, and the anti-snake-shaped shock absorbers are respectively installed on two sides of the bogie frame. When installing anti snakelike bumper shock absorber, install the second on integrated seat 300 anti snakelike mount pad 310 of anti snakelike bumper shock absorber's one end on, the other end that will resist snakelike bumper shock absorber then is fixed in on the first snakelike mount pad that lies in same one side.

Specifically, the integration seat 300 is located between two sets of boom mounts 100 and is disposed adjacent to one set of boom mounts 100. Wherein the second anti-snake mount 310 is located on a side away from the boom mount 100 and the anti-roll mount 320 is located on a side close to the boom mount 100.

The integrated seat 300 has the advantages of dual purposes, compact structure and small occupied space, and can effectively inhibit the snaking motion and the rolling motion of the vehicle, thereby ensuring the safety and the comfort of train operation. The number of the installation seats on the bogie frame can be effectively reduced by using the integrated seat, and the installation speed of the anti-rolling installation seat and the anti-snake-shaped installation seat is improved.

In order to stably mount the integrator base 300, in the above embodiment, the fixing portion 230 for fixing the upper portion of the integrator base 300 is additionally provided to the upper cover 210 of the side member 200, and the support portion 240 for supporting the integrator base 300 is additionally provided to the lower cover 220 of the side member 200. The supporting portion 240 is located below the fixing portion 230. The support portion 240, the fixing portion 230, and the side sill 200 portion between the support portion 240 and the fixing portion 230 enclose a package tray mount for mounting the package tray 300. The arrangement of the integration seat mounting seat is that the integration seat 300 improves the mounting space and the stable support.

During installation, the integration seat 300 is placed on the integration seat installation seat, and then the integration seat 300 is welded with the integration seat installation seat, so that the stable connection between the integration seat 300 and the integration seat installation seat is realized.

To further ensure the stability of the connection structure between the integration socket 300 and the integration socket mounting seat, the integration socket 300 and the parts surrounding the integration socket mounting seat may be welded separately.

Referring to fig. 4 and 5, as an embodiment of the bogie frame provided by the present invention, the second anti-snake-shaped mounting seat 310 includes two columns 311 parallel to each other and disposed at an acute angle with the integration seat, and each column 311 is provided with a first through hole 312 axially penetrating through the corresponding column 311 and the integration seat 300.

When the anti-snake-shaped shock absorber is installed, the relative position of the anti-snake-shaped shock absorber and the second anti-snake-shaped mounting seat 310 is fastened through bolts. During the fastening, earlier place anti snakelike mount pad 310 on the second with anti snakelike bumper shock absorber for the mounting hole on the anti snakelike bumper shock absorber aligns with the first through-hole 312 that is located on cylinder 311, later inserts the bolt in the combination hole that mounting hole and first through-hole 312 constitute, makes the tip of bolt wear out by the other end of combination hole, later revolves the nut to wearing out of bolt serve, realize anti snakelike bumper shock absorber and the second fastening of resisting snakelike mount pad 310.

Referring to fig. 4 and 5, as an embodiment of the bogie frame provided by the present invention, the anti-roll mounting seat 320 includes two supporting seats 321 parallel to each other and extending outward along the horizontal direction, the two supporting seats 321 are respectively disposed at two sides of the second anti-snake mounting seat 310, and the extending end of the supporting seat 321 is provided with a second through hole 322 penetrating through the supporting seat 321 along the vertical direction.

Two supports 321 are respectively arranged on two sides of the snake-shaped mounting seat, so that when the snake-shaped shock absorber is mounted, the used nuts can be placed in the space between the two supports 321, the space utilization rate is improved, and the size of the space occupied by the integrated seat 300 is reduced.

When assembling the integrated base adopted in this embodiment, the column 311 is assembled to the base 300, and the two are welded and fixed, and if necessary, adjusted and repaired; then, the support 321 is assembled on the base 300, and the two are welded and fixed, and adjustment and repair are performed if necessary; after the whole assembly is welded, a first through hole 312 is processed on the second snake-shaped resisting mounting seat 310, and a second through hole 322 is processed on the side rolling resisting mounting seat 320, so that the problems that inclined holes cannot be processed on a framework and equipment resources are occupied are solved.

The embodiment of the utility model provides a still provide a rail vehicle. The rail vehicle comprises a bogie frame.

The embodiment of the utility model provides a rail vehicle has adopted above-mentioned bogie framework, has played basically the same technological effect, no longer gives unnecessary details here.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Rocking arm mount pad, its characterized in that: comprises a mounting seat main body and a rotary arm extension seat; the mounting seat main body is provided with a welding part used for welding with the middle section of the side beam, and the welding part is provided with a first welding end; the rotating arm extension seat is provided with a second welding end used for being welded with the first welding end and a welding surface used for being matched and welded with the bottom surface of the connecting part between the middle section and the end section of the side beam.

2. A swivel arm mount according to claim 1, wherein: the mounting seat main body comprises a main board and a mounting part which is arranged at the bottom of the main board and used for mounting a rotating arm; the mounting part is rectangular, and two top corners positioned above the mounting part are arranged in a round angle manner; the welding part is arranged on the top surface of the main board; the mainboard is close to be provided with on one side of first welding end and encircle the corresponding fillet of installation department and outside convex arcwall face.

3. A swivel arm mount according to claim 2, wherein: the width of the installation part is 170-180mm, and the radius of the arc-shaped surface is 60-80 mm.

4. Bogie frame, including two curb girders, its characterized in that: the swivel arm mounting base of any one of claims 1-3 is welded to both of the side beams.

5. The bogie frame of claim 4, wherein: the outer sides of the two side beams are provided with integrated seats; the integrated base is provided with a first snake-shaped resistant mounting base on one side and a side rolling resistant mounting base on the other side; the two anti-side-rolling installation seats arranged on the two integration seats are used for mutually matching and installing the same anti-side-rolling torsion bar device, the two second anti-snake-shaped installation seats arranged on the two integration seats are used for being in one-to-one correspondence with the two first anti-snake-shaped installation seats arranged on two sides of a bogie, and the corresponding first anti-snake-shaped installation seats and the second anti-snake-shaped installation seats are used for matching and installing the same anti-snake-shaped shock absorber.

6. The bogie frame of claim 5, wherein: the integrated seat comprises a side beam, and is characterized in that a fixing part used for fixing the upper part of the integrated seat is arranged on an upper cover plate of the side beam, a supporting part used for supporting the integrated seat is arranged on a lower cover plate, the supporting part is positioned below the fixing part, and the supporting part, the fixing part and the side beam part positioned between the supporting part and the fixing part are encircled to form an integrated seat mounting seat used for mounting the integrated seat.

7. The bogie frame of claim 6, wherein: the integrated base and all parts which surround the integrated base mounting base are respectively welded.

8. The bogie frame of claim 5, wherein: the second snake-shaped resistant mounting seat comprises two columns which are parallel to each other and arranged at acute angles with the integrated seat, and each column is provided with a first through hole which penetrates through the corresponding column and the integrated seat along the axial direction.

9. The bogie frame of claim 8, wherein: anti side roll mount pad includes that two are parallel to each other and all follow the outside support that extends of horizontal direction, two the support branch is located the second is resisted the both sides of snakelike mount pad, just the extension of support is served and is provided with and runs through along vertical direction the second through-hole of support.

10. Rail vehicle, its characterized in that: comprising a bogie frame according to any of the claims 4-9.

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