CN209795498U - Axle box, frame and bogie - Google Patents

Abstract

The utility model provides an axle box, framework and bogie. The axle box is used for mounting a wheel pair and comprises an axle box body, a lifting lug seat and a lifting lug, wherein the lifting lug seat is connected with the axle box body, the lifting lug is connected with the lifting lug seat, and the lifting lug is provided with a first stop surface and is used for being matched with a stop when the framework is lifted; when the framework is lifted upwards, the framework is in contact fit with the first stop surface, and the lifting lug is pulled upwards to drive the axle box and the wheel pair to move upwards together. The technical scheme of the utility model axle box among the prior art has been solved to the technical scheme does not have the relation of connection between axle box and the framework in vertical direction to lead to the problem of bogie handling difficulty.

Description

axle box, frame and bogie

Technical Field

The utility model relates to a railway freight car technical field particularly, relates to an axle box, framework and bogie.

Background

The bogie typically comprises a frame, axle boxes on which the wheel sets are mounted, wheel pairs and axle box suspensions, the axle boxes being connected to the frame by the axle box suspensions.

However, in the prior art, the axle boxes and the frame are not connected in the vertical direction and are only contacted by gravity, so when the bogie is hoisted in the manufacturing and transportation processes of the bogie, all wheel pairs of the bogie need to be hoisted simultaneously by ropes, and when the axle boxes and the frame are not connected in the vertical direction, the bogie with three or more axles is very difficult to operate, unsafe factors exist, and the separation of the bogie and the damage of the axle are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an axle box, framework and bogie to do not have the relation of connection between axle box and the framework among the solution prior art in vertical direction, thereby lead to the problem of bogie handling difficulty.

In order to achieve the above object, according to an aspect of the present invention, there is provided an axle box for mounting a wheel pair, comprising: an axle box body; the lifting lug seat is connected with the axle box body; the lifting lug is connected with the lifting lug seat and is provided with a first stop surface which is used for being matched with the stop of the framework when the framework is lifted; when the framework is lifted upwards, the framework is in contact fit with the first stop surface, and the lifting lug is pulled upwards to drive the axle box and the wheel pair to move upwards together.

Furthermore, the lug seat and the axle box body are integrally cast or welded.

Furthermore, the lifting lug seat is provided with a first connecting hole, the lifting lug is provided with a second connecting hole which is arranged opposite to the first connecting hole, and the axle box further comprises a connecting piece which fixedly connects the lifting lug with the lifting lug seat through the first connecting hole and the second connecting hole.

Furthermore, a lifting lug seat is connected with the top of the axle box body, a first end of the lifting lug is connected with the lifting lug seat, and a second end of the lifting lug extends towards one side far away from the axle box body along the vertical direction; the lifting lug comprises a connecting section and a stopping section which are connected in the direction away from the axle box body, the width of the stopping section in the first horizontal direction is larger than that of the connecting section in the first horizontal direction, and part of the lower surface of the stopping section forms a first stopping surface.

Furthermore, part of the lower surface of the stopping section is connected with the connecting section, the connecting section is connected with the middle of the stopping section, and the rest lower surfaces of the stopping section, which are positioned on the two sides of the connecting section, form a first stopping surface.

furthermore, the end face, far away from the connecting section, of the stopping section is an arc surface protruding towards one side far away from the connecting section.

According to the utility model discloses an on the other hand provides a framework, and the framework is used for lifting by crane the cooperation with foretell axle box, and the framework includes: a frame body; the bracket is arranged on the framework body and is provided with a second stop surface which is used for being matched with the lifting lug in a hoisting mode, and the second stop surface is arranged at a distance from the first stop surface and is positioned below the first stop surface; when the framework is lifted upwards, the second stop surface is in contact fit with the first stop surface, and the lifting lug is pulled upwards to drive the axle box and the wheel pair to move upwards together.

Furthermore, the framework is used for being matched with the axle box in a hoisting mode, the bracket is provided with a yielding opening, the connecting section of the lifting lug of the axle box penetrates through the yielding opening, and a second stop surface is formed on the upper surface of part of the bracket.

Further, the bracket is the setting of U type, and the bracket includes the bottom plate and two limiting plates of being connected with the both ends of bottom plate, lets the mouth offer on the bottom plate, and the part upper surface of bottom plate forms the second backstop face, and bottom plate and two limiting plates enclose into installation space, and the backstop section of the lug of axle box is located installation space.

According to a further aspect of the present invention, there is provided a bogie comprising the axle box described above and the frame described above.

By applying the technical scheme of the utility model, the axle box and framework structure is optimized, a new bogie is designed, the axle box body is provided with the lifting lug, the framework body is provided with the bracket, the lifting lug is provided with a first stop surface, the bracket is provided with a second stop surface, and the second stop surface is arranged at an interval with the first stop surface and is positioned below the first stop surface; like this, when needs lift by crane the bogie, lift by crane the framework earlier, the bracket upward movement of framework is one section distance, and the second backstop face up to the bracket cooperates with the first backstop face contact of lug to upwards stimulate the lug, the lug drives the common upward movement of lug seat and axle box body, and the axle box body drives the wheel pair upward movement, thereby realizes that the whole of bogie lifts by crane, avoids lifting by crane in-process bogie damage.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

Fig. 1 shows a schematic structural view of a bogie according to an alternative embodiment of the invention;

FIG. 2 is a schematic view showing the assembled relationship of the lifting lug and the bracket of the bogie shown in FIG. 1;

FIG. 3 is a schematic front view of the axle box of the truck of FIG. 1 without the lifting lugs;

FIG. 4 is a schematic left side view of the axle housing of FIG. 2 without the shackle;

Fig. 5 is a schematic view showing an assembled relationship of a frame body, a bracket and a pedestal of the bogie in fig. 1.

wherein the figures include the following reference numerals:

100. An axle box; 10. an axle box body; 20. a lug seat; 21. a first connection hole; 30. lifting lugs; 31. a connecting section; 32. a stop section; 321. a first stop surface; 322. a circular arc surface; 40. a connecting member; 200. a frame; 1. a frame body; 2. a bracket; 3. a let position port; 4. a base plate; 41. a second stop surface; 5. a limiting plate; 6. an installation space; 300. a guide frame; 400. a spring; 500. wheel sets.

Detailed Description

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Do not have the relation of connection in vertical direction between axle box and the framework in order to solve among the prior art to lead to the problem of bogie handling difficulty, the utility model provides an axle box, framework and bogie.

As shown in fig. 1 to 5, the present application provides a bogie, which comprises a frame 200, a pedestal 300, a spring 400, an axle housing 100, and a wheel set 500, wherein the pedestal 300 is welded to the frame 200, the wheel set 500 is mounted on the axle housing 100, the spring 400 is placed on both sides of the axle housing 100, the frame 200 is in contact fit with the upper plane of the spring 400 through the pedestal 300, and the frame 200 and the axle housing 100 can move relative to each other in the vertical direction, so that the impact in the vertical direction can be alleviated, and the effect of damping vibration can be achieved. The axle box 100 comprises an axle box body 10, a lifting lug seat 20 and a lifting lug 30, wherein the lifting lug seat 20 is connected with the axle box body 10, the lifting lug 30 is connected with the lifting lug seat 20, and the lifting lug 30 is provided with a first stop surface 321 which is matched with the framework 200 in a stop manner when being lifted; the frame 200 comprises a frame body 1 and a bracket 2, the bracket 2 being arranged on the frame body 1, the bracket 2 having a second stop surface 41 for lifting engagement with the lifting lug 30, the second stop surface 41 being arranged spaced apart from the first stop surface 321 and below the first stop surface 321. The second stop surface 41 and the first stop surface 321 are arranged at intervals, so that the phenomenon that the framework 200 and the axle box 100 cannot move relatively in the vertical direction in the use process of the bogie, and the vibration damping function of the bogie is influenced is avoided; and when the bogie needs to be integrally lifted, when the framework 200 is lifted upwards, the bracket 2 of the framework 200 moves upwards for a certain distance until the second stop surface 41 of the bracket 2 is in contact fit with the first stop surface 321 of the lifting lug 30, the bracket 2 pulls the lifting lug 30 upwards, and the lifting lug 30 drives the lifting lug seat 20, the axle box body 10 and the wheel pair 500 to move upwards together, so that the integral lifting of the bogie is realized, and the damage to the bogie in the lifting process is avoided.

This application is through optimizing axle box 100 and framework 200's structure, set up lug 30 on axle box body 10, set up bracket 2 on framework body 1, lug 30 and bracket 2 cooperation form anti-disengaging mechanism, lift by crane framework 200, lift axle box 100 and wheel pair 500 jointly through anti-disengaging mechanism, the operation degree of difficulty of bogie handling has been reduced, prevent that the bogie separation from droing, the potential safety hazard of bogie handling in-process has been eliminated, avoid the axletree of wheel pair 500 to be harmd at the handling in-process.

As shown in fig. 1 to 4, the present application provides an axle box, comprising an axle box body 10, a lifting lug seat 20 and a lifting lug 30, wherein the lifting lug seat 20 is connected with the axle box body 10, the lifting lug 30 is connected with the lifting lug seat 20, and the lifting lug 30 has a first stop surface 321 for stop cooperation with a frame 200 when being lifted; when the frame 200 is lifted upwards, the frame 200 is in contact with the first stop surface 321, and pulls the lifting lug 30 upwards, so as to drive the axle box and the wheel pair 500 to move upwards together.

Optionally, the shackle seat 20 is welded to the axle housing body 10. In this way, the conventional axle box can be modified by using the conventional axle box for the axle box body 10, and the production cost of the axle box 100 can be reduced.

Alternatively, the shackle seat 20 is cast integrally with the axle housing body 10. In this way, the connection stability between the lifting lug seat 20 and the axle box body 10 is good, and the problem that the lifting lug seat 20 and the axle box body 10 are broken at the welding position in the lifting process of the bogie can be avoided.

Alternatively, the shackle 30 may be detachably coupled to the shackle seat 20 in consideration of the convenience of processing and manufacturing costs of the axle housing 100 and the assembly of the axle housing 100 to the frame 200. Thus, the bogie adopts a modular design, and the lifting lugs 30 can be detached, replaced and the like.

As shown in fig. 1 to 4, the shackle seat 20 has a first coupling hole 21, the shackle 30 has a second coupling hole disposed opposite to the first coupling hole 21, and the axle housing further includes a coupling member 40, and the coupling member 40 fixedly couples the shackle 30 to the shackle seat 20 through the first coupling hole 21 and the second coupling hole.

Alternatively, the connecting member 40 is a bolt.

As shown in fig. 1 to 4, the lifting lug seat 20 is connected to the top of the axle box body 10, a first end of the lifting lug 30 is connected to the lifting lug seat 20, and a second end of the lifting lug 30 extends towards a side away from the axle box body 10 along a vertical direction; the lifting lug 30 includes a connecting section 31 and a stopping section 32 connected in a direction away from the axle box body 10, the width of the stopping section 32 in the first horizontal direction is larger than that of the connecting section 31, and a part of the lower surface of the stopping section 32 forms a first stopping surface 321. Thus, when the frame 200 is lifted, the frame 200 pushes up against the first stop face 321 of the stop section 32, thereby pulling the lifting lug 30 upward to move the axle box and the wheel pair 500 together upward.

As shown in fig. 4, two lifting lug seats 20 are respectively arranged on two sides of the axle box body 10, and two lifting lugs 30 are respectively mounted on the two lifting lug seats 20; accordingly, as shown in fig. 1, brackets 2 are connected to the side frames of the frame body 1 of the frame 200, and one bracket 2 is provided at each of both sides of the side frame of the frame body 1; two lifting lugs 30 located at both sides of the pedestal body 10 are respectively fitted to brackets 2 located at both sides of the side frame of the frame body 1. Alternatively, the frame body 1 has two side frames, and the two axle boxes 100 are connected to the two side frames of the frame body 1, respectively. Thus, the number and positions of the lug seat 20, the lug 30, and the bracket 2 are set appropriately according to the structures of the axle box 100 and the frame 200, and it is ensured that the axle box 100 can be pulled up smoothly and reliably when the frame 200 is lifted.

In an alternative embodiment shown in fig. 1, the bogie is a three-axle bogie. The two guide frames 300 are oppositely arranged at the bottom of the framework body 1 of the framework 200, the two oppositely arranged guide frames 300 form a group of guide frame assemblies, and the three groups of guide frame assemblies are arranged at the bottom of the framework body 1 at intervals; bracket 2 is connected to a side surface of frame body 1 of frame 200, and a plurality of connection brackets 2 are provided above guide frame 300 so as to correspond to each other. In an embodiment of the application, not shown, the bogie is a two-axle bogie or a multi-axle bogie, the same principle as a three-axle bogie.

As shown in fig. 2, part of the lower surface of the stopping section 32 is connected to the connecting section 31, the connecting section 31 is connected to the middle of the stopping section 32, and the remaining lower surfaces of the stopping section 32 on both sides of the connecting section 31 form first stopping surfaces 321. In this way, the structure of the first stop surface 321 is optimized in consideration of the force condition of the stop section 32, so that the lifting lug 30 can be smoothly pulled upward.

In consideration of the stress concentration problem, the size of the stopping section 32 at the connecting position with the connecting section 31 is larger than the size of the connecting position without connecting the connecting section 31 at both ends, so that the structural strength of the lifting lug 30 is ensured, the lifting lug 30 is prevented from being pulled apart at the connecting position of the connecting section 31 and the stopping section 32 when the lifting lug 30 is pulled upwards, and the production cost of the lifting lug 30 is reduced.

As shown in fig. 2, an end surface of the stopping section 32 away from the connecting section 31 is a circular arc surface 322 protruding toward a side away from the connecting section 31. Therefore, the structural strength of the lifting lug 30 is guaranteed to be considered, the stop section 32 is prevented from having obvious edges and corners, and the appearance aesthetic feeling of the lifting lug 30 is improved.

In an alternative embodiment of the present application, not shown, the shackle 30 is welded to the shackle seat 20.

In an alternative embodiment of the present application, not shown, the shackle 30, shackle seat 20 and axle housing body 10 are integrally cast.

As shown in fig. 1, 2 and 5, the present application further provides a frame 200 for lifting engagement with the axle box, the frame including a frame body 1 and a bracket 2, the bracket 2 being disposed on the frame body 1, the bracket 2 having a second stop surface 41 for lifting engagement with the lifting lug 30, the second stop surface 41 being spaced apart from the first stop surface 321 and being located below the first stop surface 321; when the frame is lifted upwards, the second stop surface 41 engages with the first stop surface 321 and pulls the lifting lug 30 upwards, so as to move the axle box and the wheel pair 500 together upwards.

alternatively, the bracket 2 is welded to the frame body 1.

As shown in fig. 2 and 5, the bracket 2 has a slot 3, the connecting section 31 of the lifting lug 30 of the axle box is arranged at the slot 3, the stopping section 32 of the lifting lug 30 is positioned above a part of the bracket 2, and a part of the upper surface of the bracket 2 forms a second stopping surface 41. In this way, when the frame 200 is lifted, the bracket 2 of the frame 200 moves upwards, the second stop surface 41 is in contact fit with the first stop surface 321, i.e. part of the upper surface of the bracket 2 is in contact fit with part of the lower surface of the stop section 32, and the bracket 2 pushes the stop section 32 upwards, so that the lifting lug 30 is pulled upwards.

As shown in fig. 2 and 5, bracket 2 is U-shaped, bracket 2 includes a bottom plate 4 and two limiting plates 5 connected to two ends of bottom plate 4, a slot 3 is opened on bottom plate 4, a second stopping surface 41 is formed on a part of the upper surface of bottom plate 4, bottom plate 4 and two limiting plates 5 enclose an installation space 6, and stopping section 32 of lifting lug 30 of axle box 100 is located in installation space 6. When backstop section 32 is giving way in 3 internal drunkenness, limiting plate 5 can play and carry out spacing effect to backstop section 32, in addition, through setting up installation space 6, can make things convenient for the rapid Assembly of lug 30 and bracket 2.

as shown in fig. 5, the relief port 3 is a groove formed in the side end surface of the bottom plate 4 away from the frame body 1, and the groove extends to the upper and lower end surfaces of the bottom plate 4. Thus, when assembling the bogie, the frame 200 is first placed on the axlebox body of the axlebox 100 through the guide frame 300 and the spring 400, the bracket 2 and the lifting lug seat 20 are oppositely arranged, and then the lifting lug 30 is clamped into the groove from the side and then fixedly connected with the lifting lug seat 20.

Optionally, the abdicating opening 3 is a through hole, so that, when assembling the bogie, the framework 200 is firstly placed on the axlebox body of the axlebox 100 through the guide frame 300 and the spring 400, the bracket 2 and the lifting lug seat 20 are oppositely arranged, and the lifting lug 30 is fixedly connected with the lifting lug seat 20 after extending into the through hole from top to bottom.

The application provides an axle box, framework and bogie, has solved bogie hoist and mount difficulty problem, and the hoist and mount operation of the bogie of being convenient for has prevented axle box and framework separation or drop when the bogie handling effectively, avoids the bogie to lift by crane or fall back the in-process and causes the damage to the bearing.

the application provides a concrete structure of axle box and framework is not limited to the embodiment that illustrates, as long as can realize that the framework is lifted by crane the back, can drive the axle box upwards common motion can.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An axle box for mounting a wheel pair (500), comprising:

An axle box body (10);

the lug seat (20), the lug seat (20) is connected with the axle box body (10);

A lifting lug (30), wherein the lifting lug (30) is connected with the lifting lug seat (20), and the lifting lug (30) is provided with a first stop surface (321) which is used for being matched with a stop when the framework is lifted; when the framework is lifted upwards, the framework is in contact fit with the first stop surface (321), and the lifting lug (30) is pulled upwards to drive the axle box and the wheel pair (500) to move upwards together.

2. An axle box according to claim 1, wherein the lug seat (20) is cast integrally with the axle box body (10) or the lug seat (20) is welded to the axle box body (10).

3. An axle box according to claim 1 or 2, wherein the ear seat (20) has a first attachment hole (21), the ear (30) has a second attachment hole arranged opposite to the first attachment hole (21), the axle box further comprising a connecting member (40), the connecting member (40) fixedly connecting the ear (30) to the ear seat (20) through the first attachment hole (21) and the second attachment hole.

4. an axle box according to claim 3, wherein the lug seat (20) is connected to the top of the axle box body (10), the first end of the lug (30) being connected to the lug seat (20), the second end of the lug (30) extending in a vertical direction towards a side remote from the axle box body (10); the lifting lug (30) comprises a connecting section (31) and a stopping section (32) which are connected along the direction far away from the axle box body (10), the width of the stopping section (32) in the first horizontal direction is larger than that of the connecting section (31), and part of the lower surface of the stopping section (32) forms the first stopping surface (321).

5. An axle box according to claim 4, wherein part of the lower surface of the stop section (32) is connected to the connecting section (31) and the connecting section (31) is connected to the middle of the stop section (32), the remaining lower surfaces of the stop section (32) on both sides of the connecting section (31) forming the first stop surface (321).

6. An axlebox according to claim 4 or 5, characterized in that the end surface of the stop section (32) remote from the connecting section (31) is a circular arc surface (322) protruding towards the side remote from the connecting section (31).

7. A framework for lifting engagement with an axlebox of any one of claims 1 to 6, the framework comprising:

A frame body (1);

The bracket (2) is arranged on the framework body (1), the bracket (2) is provided with a second stop surface (41) used for being in lifting fit with a lifting lug (30), and the second stop surface (41) is arranged at a distance from the first stop surface (321) and is positioned below the first stop surface (321); when the framework is lifted upwards, the second stop surface (41) is in contact fit with the first stop surface (321), and the lifting lug (30) is pulled upwards to drive the axle box and the wheel pair (500) to move upwards together.

8. The framework of claim 7, for lifting cooperation with an axlebox according to claim 5, the bracket (2) having a relief opening (3), the connecting section (31) of the lifting lug (30) of the axlebox being arranged through the relief opening (3), a part of the upper surface of the bracket (2) forming the second stop surface (41).

9. The framework of claim 8, wherein the bracket (2) is provided in a U-shape, the bracket (2) comprises a bottom plate (4) and two limiting plates (5) connected to two ends of the bottom plate (4), the relief opening (3) is provided in the bottom plate (4), a part of the upper surface of the bottom plate (4) forms the second stop surface (41), the bottom plate (4) and the two limiting plates (5) enclose an installation space (6), and the stop section (32) of the lifting lug (30) of the axle box is located in the installation space (6).

10. A bogie, characterised in that it comprises an axlebox according to any one of claims 1 to 6 and a frame according to any one of claims 7 to 9.