阅读说明：本技术 一种转向架的牵引装置 (Traction device of bogie ) 是由 段泽斌 于云海 刘阳 姜斌 王卉子 徐练 于 2020-08-14 设计创作，主要内容包括：本发明涉及轨道车辆技术领域,具体地,涉及一种转向架的牵引装置。该牵引装置包括箱体、固定连接于所述箱体顶部的上端板、以及固定连接于所述箱体的加强结构；所述箱体为长方体形结构,并包括与所述上端板相对设置的底端板、以及固定连接于所述底端板和所述上端板之间的4个侧板；所述侧板之间沿周向依次首尾相连；所述上端板设置有用于连接车体的连接结构。该牵引装置能够在保证上、下车间的能量传递与结构强度的同时,较好的传递纵向冲击,并且在碰撞时可承受较大的冲击载荷。(The invention relates to the technical field of railway vehicles, in particular to a traction device of a bogie. The traction device comprises a box body, an upper end plate fixedly connected to the top of the box body and a reinforcing structure fixedly connected to the box body; the box body is of a cuboid structure and comprises a bottom end plate and 4 side plates, wherein the bottom end plate is arranged opposite to the upper end plate, and the 4 side plates are fixedly connected between the bottom end plate and the upper end plate; the side plates are sequentially connected end to end along the circumferential direction; the upper end plate is provided with a connecting structure for connecting a vehicle body. The traction device can better transmit longitudinal impact while ensuring the energy transmission and the structural strength between an upper car and a lower car, and can bear larger impact load when colliding.)

1. The traction device of the bogie is characterized by comprising a box body, an upper end plate fixedly connected to the top of the box body and a reinforcing structure fixedly connected to the box body;

the box body is of a cuboid structure and comprises a bottom end plate and 4 side plates, wherein the bottom end plate is arranged opposite to the upper end plate, and the 4 side plates are fixedly connected between the bottom end plate and the upper end plate; the side plates are sequentially connected end to end along the circumferential direction;

the upper end plate is provided with a connecting structure for connecting a vehicle body.

2. The draft gear according to claim 1, wherein said 4 side plates include two longitudinally extending and oppositely disposed side plates and two transversely extending and oppositely disposed side plates;

the reinforcing structure comprises at least one tubular reinforcing piece arranged along the longitudinal direction, and two ends of each tubular reinforcing piece are fixedly connected to the two transverse side plates respectively.

3. The draft gear according to claim 2, wherein said reinforcing structure further comprises a perforated web between said two lateral side plates, said perforated web being provided with perforations corresponding one-to-one to each of said tubular reinforcing members;

the tubular reinforcing part penetrates through the corresponding through hole and is fixedly connected with the rib plate with the hole;

the ribbed plate with holes is fixedly connected with the bottom end plate, the upper end plate and the two longitudinal side plates.

4. The traction device according to claim 3, further comprising a plurality of reinforcing rib plates distributed on the outer side surfaces of the two transverse side plates, wherein one side edge of each reinforcing rib plate is fixedly connected to the transverse side plate, and the other side edge of each reinforcing rib plate is fixedly connected to the bottom surface of the upper end plate.

5. The draft gear according to claim 4, wherein a plurality of said gussets are symmetrically distributed.

6. The towing attachment in accordance with claim 5 wherein the tubular reinforcement is a hollow round tube.

7. The towing attachment in accordance with claim 6 wherein the stiffener plates are right angle triangular plates or right angle trapezoidal plates.

8. Traction device according to claim 3, characterized in that at least one tubular reinforcement is 4 tubular reinforcements distributed in a matrix.

9. The towing attachment in accordance with claim 3 wherein the lateral side plates are provided with one-to-one clearance fit through holes with each of the tubular stiffeners;

the end parts of the tubular reinforcing parts are inserted into the corresponding through holes, and the end faces of the tubular reinforcing parts are flush with the outer surfaces of the transverse side plates of the corresponding ends.

10. The towing attachment in accordance with any one of claims 1 to 9 wherein the attachment structure is provided in two rows of mounting holes symmetrically arranged in the longitudinal direction, each row of mounting holes comprising a plurality of mounting holes evenly distributed in the transverse direction.

Technical Field

The application relates to the technical field of railway vehicles, in particular to a traction device of a bogie.

Background

The rail vehicle is an important traffic tie connecting cities, is gradually a main vehicle in the cities, and is also a main carrier for realizing goods transportation. The rail vehicle mainly comprises a vehicle body and a bogie arranged below the vehicle body, wherein the bogie is used for bearing the vehicle body and realizing walking and steering functions.

Conventional bogies consist primarily of a frame, wheel sets, traction devices, braking devices, damping devices, axle boxes, primary and secondary suspension devices. The frame is a main body structure of the bogie, and a general traction device is arranged at the center of the frame and used for realizing the limiting and energy transfer between the vehicle body and the frame. The existing traction device cannot bear large longitudinal impact load, and the traction device structure solves the problem that the traction device cannot bear large impact load in the longitudinal direction.

Disclosure of Invention

The embodiment of the application provides a traction device of a bogie, which can better transmit longitudinal impact while ensuring the energy transmission and the structural strength between an upper car and a lower car and can bear larger impact load during collision.

The embodiment of the application provides a traction device of a bogie, which comprises a box body, an upper end plate fixedly connected to the top of the box body and a reinforcing structure fixedly connected to the box body;

the box body is of a cuboid structure and comprises a bottom end plate and 4 side plates, wherein the bottom end plate is arranged opposite to the upper end plate, and the 4 side plates are fixedly connected between the bottom end plate and the upper end plate; the side plates are sequentially connected end to end along the circumferential direction;

the upper end plate is provided with a connecting structure for connecting a vehicle body.

Preferably, the 4 side plates comprise two longitudinal side plates extending along the longitudinal direction and oppositely arranged, and two transverse side plates extending along the transverse direction and oppositely arranged;

the reinforcing structure comprises at least one tubular reinforcing piece arranged along the longitudinal direction, and two ends of each tubular reinforcing piece are fixedly connected to the two transverse side plates respectively.

Preferably, the reinforcing structure further comprises a perforated rib plate located between the two transverse side plates, and the perforated rib plate is provided with perforations corresponding to the tubular reinforcing members one to one;

the tubular reinforcing part penetrates through the corresponding through hole and is fixedly connected with the rib plate with the hole;

the ribbed plate with holes is fixedly connected with the bottom end plate, the upper end plate and the two longitudinal side plates.

Preferably, the side plate structure further comprises a plurality of reinforcing rib plates distributed on the outer side surfaces of the two transverse side plates, one side of each reinforcing rib plate is fixedly connected to the transverse side plate, and the other side of each reinforcing rib plate is fixedly connected to the bottom surface of the upper end plate.

Preferably, a plurality of the reinforcing rib plates are symmetrically distributed.

Preferably, the tubular reinforcement is a hollow round tube.

Preferably, the reinforcing rib plate is a right-angled triangular plate or a right-angled trapezoidal plate.

Preferably, the at least one tubular reinforcement is 4 tubular reinforcements distributed in a matrix.

Preferably, the transverse side plate is provided with through holes which correspond to each tubular reinforcing piece one by one and are in clearance fit with each tubular reinforcing piece;

the end parts of the tubular reinforcing parts are inserted into the corresponding through holes, and the end faces of the tubular reinforcing parts are flush with the outer surfaces of the transverse side plates of the corresponding ends.

Preferably, the connecting structure is two rows of mounting holes symmetrically arranged along the longitudinal direction, and each row of mounting holes comprises a plurality of mounting holes uniformly distributed along the transverse direction.

Adopt the draw gear that provides in this application embodiment, have following beneficial effect:

above-mentioned draw gear adopts rectangular bodily form box structure, including box and fixed connection in the up end plate at box top, and be provided with fixed connection in the additional strengthening of box, can strengthen draw gear structural strength and rigidity on vertical through the box, and can further improve the structural strength and the rigidity of box through additional strengthening, therefore, compare with the draw gear of current center round pin structure, the draw gear of this application embodiment not only has simple structure's characteristics, but also can be guaranteeing to get on, when getting off energy transfer and structural strength between, better transmission is vertically strikeed, and can bear great impact load when the collision.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of a bogie according to an embodiment of the present application;

FIG. 2 is a top view of the truck provided in FIG. 1;

FIG. 3 is a side view of the truck provided in FIG. 2;

FIG. 4 is a schematic exploded view of the bogie provided in FIG. 1;

FIG. 5 is a schematic perspective view of the draft gear of the truck of FIG. 1;

fig. 6 is a schematic view of the draft gear provided in fig. 5 with longitudinal side plates removed.

Reference numerals:

1-a side beam; 2-a cross beam; 4-wheel pair; 6-secondary suspension device; 7-a traction device;

71-a connecting plate; 72-a baffle; 73-a rib plate; 74-upper end plate; 75-a bottom end plate; 76-side plate; 77-a tubular reinforcement; 78-rib plate with holes; 79-reinforcing rib plate;

741-a mounting hole; 761-longitudinal side plate; 762-transverse side panels.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the present embodiment, the longitudinal direction is the travel direction of the rail vehicle, i.e., the arrangement direction of the two wheel pairs 4; the transverse direction is the vehicle width direction of the railway vehicle, namely the axial direction of an axle in a wheel pair 4 of a bogie or the length extension direction of a cross beam 2 of a framework; the vertical direction is the height direction of the rail vehicle.

The embodiment of the application provides a traction device 7 of a bogie, the specific structure of the traction device 7 can refer to fig. 5 and 6, the specific structure of the bogie can refer to fig. 1, 2, 3 and 4, the bogie comprises a framework formed by two side beams 1 and two cross beams 2, a wheel pair 4 for supporting the framework and rotating along a track, the traction device 7 fixedly mounted on the cross beams 2, and a secondary suspension device 6 mounted at the top of the framework; the traction device 7 is used for connecting the vehicle body to the frame; a traction device mounting seat is fixedly connected between the cross beam 2 and the traction device 7, and the traction device 7 can be fixedly mounted on the cross beam 2 through the traction device mounting seat; the traction device mounting base can be used as a part of the cross beam 2 and also can be used as a part of the traction device 7; the traction device mounting base comprises two connecting plates 71 which are oppositely arranged, two baffles 72 which are oppositely arranged, and a plurality of ribbed plates 73 which are fixedly connected between the connecting plates 71 and the cross beam 2; the connecting plates 71 are arranged in parallel with the cross beams 2, one side of each cross beam 2 is fixedly connected with one connecting plate 71, and a space between the two connecting plates 71 can just accommodate the traction device 7; a baffle plate 72 is fixedly connected to the end parts of the two connecting plates 71 along the extending direction of the cross beam 2, the baffle plates 72 are perpendicular to the connecting plates 71, the traction device 7 is enclosed in a space formed by the baffle plates 72 and the connecting plates 71, and the displacement of the traction device 7 in the transverse direction and the longitudinal direction is limited; the traction device 7 comprises a box (not shown), an upper end plate 74 fixedly connected to the top of the box, and a reinforcing structure (not shown) fixedly connected to the box; the box body is of a cuboid structure and comprises a bottom end plate 75 arranged opposite to the upper end plate 74 and 4 side plates 76 fixedly connected between the bottom end plate 75 and the upper end plate 74; the side plates 76 are sequentially connected end to end along the circumferential direction; the 4 side plates 76 are sequentially connected end to form a rectangular cylinder structure, and the upper end plate 74 and the bottom end plate 75 are plugged at two ends of the rectangular cylinder structure; the upper end plate 74 is provided with a connecting structure for connecting the vehicle body. The traction device 7 is mounted and connected with the vehicle body through the upper end plate 74, the connecting structure arranged on the upper end plate 74 can be two rows of mounting holes 741 symmetrically arranged along the longitudinal direction, and each row of mounting holes 741 comprises a plurality of mounting holes 741 uniformly distributed along the transverse direction; as shown in fig. 1 and fig. 2, two rows of mounting holes 741 are provided in the upper end plate 74, the mounting holes 741 are used for bolts to pass through, the arrangement direction of each row of mounting holes 741 is the same as the extension direction of the cross beam 2, and the arrangement direction of the two rows of mounting holes 741 is the same as the arrangement direction of the two wheel pairs 4; the actual number of the installation holes 741 can be determined according to actual conditions.

Above-mentioned draw gear 7 adopts rectangular bodily form box structure, including box and fixed connection in the up end 74 at box top, and be provided with the additional strengthening of fixed connection in the box, can strengthen draw gear 7 structural strength and rigidity on vertical through the box, and can further improve the structural strength and the rigidity of box through additional strengthening, consequently, compare with draw gear 7 of current center round pin structure, draw gear 7 of the embodiment of the application not only has simple structure's characteristics, and can also be when guaranteeing energy transfer and structural strength between getting on and off, better transmission is vertically strikeed, and can bear great impact load when the collision.

In one specific embodiment, as shown in the configuration of fig. 5, the 4 side plates 76 of the towing means 7 include two longitudinal side plates 761 extending in the longitudinal direction and disposed oppositely, and two transverse side plates 762 extending in the transverse direction and disposed oppositely; the longitudinal side plates 761 and the transverse side plates 762 are vertically arranged, and the two longitudinal side plates 761 and the two transverse side plates 762 are connected together by welding to form a rectangular cylinder structure; the reinforcing structure includes at least one tubular reinforcing member 77 disposed in a longitudinal direction, and both ends of each tubular reinforcing member 77 are fixedly coupled to two lateral side plates 762, respectively. As shown in the structure of fig. 6, at least one of the tubular reinforcing members 77 constituting the reinforcing structure may be 4, and the 4 tubular reinforcing members 77 constitute a matrix distribution of two rows and two columns, and the tubular reinforcing member 77 may be a hollow circular tube, and one end of the tubular reinforcing member 77 is fixedly connected to one lateral side plate 762 of the two opposite lateral side plates 762, and the other end of the tubular reinforcing member is fixedly connected to the other lateral side plate 762 of the two opposite lateral side plates 762. The tubular reinforcing members 77 for reinforcing the structure of the box body can be provided with 1, 2, 3, 4 or more, in the embodiment of the present application, only the traction device 7 with 4 tubular reinforcing members 77 distributed in a matrix is taken as an example for description, and in the actual use process, the number, the distribution form and the size of the tubular reinforcing members 77 can be set according to actual requirements.

The tubular reinforcing member 77 disposed between the two lateral side plates 762 can further reinforce the structural strength and rigidity of the box body in the longitudinal direction, so that the structural strength and rigidity of the traction device 7 in the longitudinal direction can be improved, the impact load strength which can be borne by the traction device 7 during longitudinal collision can be improved, and the purpose of better transmitting longitudinal impact can be realized.

In order to further improve the structural strength and rigidity of the traction device 7, as shown in the structure of fig. 6, the reinforcing structure further includes a perforated rib 78 located between the two lateral side plates 762, the perforated rib 78 is provided with a through hole corresponding to each tubular reinforcing member 77 one by one; the tubular reinforcing part 77 passes through the corresponding through hole and is fixedly connected with the rib plate 78 with the hole; the ribbed plate 78 is fixedly connected to the bottom end plate 75, the upper end plate 74 and the two longitudinal side plates 761. As shown in the structure of fig. 6, a perforated rib plate 78 is further disposed in the box body, and the perforated rib plate 78 may be disposed at a position right in the middle of the two transverse side plates 762, that is, the two transverse side plates 762 are symmetrically disposed with the perforated rib plate 78 as a symmetry axis; the rib plate 78 with holes is provided with through holes for penetrating the tubular reinforcing member 77, and the tubular reinforcing member 77 and the through holes can be in clearance fit and are connected by welding; except for the fact that the perforated rib plate 78 is fixedly connected with the tubular reinforcing part 77, the top of the perforated rib plate 78 is fixedly connected with the upper end plate 74, the bottom of the perforated rib plate 78 is fixedly connected with the bottom end plate 75, and two side edges of the perforated rib plate 78 are fixedly connected with the two longitudinal side plates 761 which are oppositely arranged, so that the upper end plate 74, the two longitudinal side plates 761, the bottom end plate 75 and the tubular reinforcing part 77 are connected into an integral structure again through the perforated rib plate 78, the traction device 7 has enough strength and rigidity in the longitudinal direction, the transverse direction and the vertical direction, and the bearing requirement of the railway vehicle on the traction device 7 in the collision process can be met.

As shown in fig. 5 and 6, the traction device 7 further includes a plurality of rib plates 79 distributed on the outer side surfaces of the two lateral side plates 762, one side of each rib plate 79 is fixedly connected to the lateral side plate 762, and the other side is fixedly connected to the bottom surface of the upper end plate 74. The plurality of reinforcing rib plates 79 are symmetrically distributed, that is, reinforcing rib plates 79 are arranged at corresponding positions of the outer side faces of the two transverse side plates 762, and as shown in the structure of fig. 5, 3 reinforcing rib plates 79 are arranged on the outer side faces of the transverse side plates 762. The number and the position of the reinforcing rib plates 79 can be determined according to actual conditions. Further, a plurality of reinforcing ribs 79 may be provided on the outer surface of the longitudinal side plate 761. The stiffener plate 79 may be a right-angled triangular plate or a right-angled trapezoidal plate.

Through the plurality of reinforcing rib plates 79 arranged on the outer side faces of the transverse side plates 762, the reinforcing rib plates 79 are arranged along the longitudinal direction, and two side edges are respectively and fixedly connected to the transverse side plates 762 and the upper end plates 74, so that the structural strength and rigidity between the transverse side plates 762 and the upper end plates 74 are enhanced, and the structural strength of the upper end plates 74 and the box body is improved.

On the basis of the various embodiments, as shown in the structure of fig. 5 and 6, the transverse side plate 762 is provided with through holes which are in one-to-one correspondence with each tubular reinforcing member 77 and are in clearance fit with each other, that is, when 4 tubular reinforcing members 77 are arranged in the box body, 4 through holes are arranged on the transverse side plate 762; the end of the tubular reinforcement 77 is inserted into the corresponding through hole, and the end face of the tubular reinforcement 77 is flush with the outer surface of the lateral side plate 762 of the corresponding end.

Because the through hole for penetrating the tubular reinforcement 77 is formed in the transverse side plate 762, when the tubular reinforcement 77 is installed, one end of the tubular reinforcement 77 can penetrate through the through hole to be installed and fixed after the box body is formed, so that the assembly of the tubular reinforcement 77 on the box body is facilitated, meanwhile, the structural strength and rigidity of the box body in the longitudinal direction can be improved through the tubular reinforcement 77 penetrating in the longitudinal direction, the force of bearing the impact load by the traction device 7 in the longitudinal direction can be improved, and the transmission of the impact load by the traction device 7 in the longitudinal direction can be improved.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.