CN211417264U

CN211417264U - Traction pull rod device for railway express freight car bogie

Info

Publication number: CN211417264U
Application number: CN201922424904.8U
Authority: CN
Inventors: 肖光毅; 徐勇; 刘凤伟; 黎巧能
Original assignee: CRRC Yangtze Co Ltd
Current assignee: CRRC Yangtze Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-04
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a railway express freight car bogie draw rod device, the device are including drawing the pull rod body, the one end of drawing the pull rod body is provided with first installation through-hole, the other end of drawing the pull rod body is provided with second installation through-hole, run through in the first installation through-hole and be provided with first elasticity ball pivot, run through in the second installation through-hole and be provided with second elasticity ball pivot, first elasticity ball pivot is through first mount pad and framework crossbeam fixed connection, second elasticity ball pivot is through second mount pad and bolster fixed connection. The utility model discloses a draw the rubber elasticity ball pivot that the pull rod device set up at the both ends of drawing the pull rod body, be the rigidity contact with the connection position of framework and bolster, at the operation in-process no relative motion, avoided the not hard up and screw rod crackle's of fastener that similar traditional passenger train bogie screw rod draws the pull rod device to appear at the operation in-process condition.

Description

Traction pull rod device for railway express freight car bogie

Technical Field

The utility model relates to a technical field of bogie draw bar device, concretely relates to railway express delivery freight car bogie draw bar device.

Background

At present, the longitudinal force of a railway freight car bogie is mainly transmitted in two modes, one mode is an integral framework type bogie, the longitudinal force is directly transmitted to a framework through a center plate, the other mode is a bogie with a swing bolster and a framework or a side frame in a split mode, the longitudinal force is transmitted to the swing bolster through the center plate firstly, and then is transmitted to the framework or the side frame through the swing bolster. The express freight car bogie cancels the second friction contact, and the measure needs to adopt a special structure to complete the transmission of longitudinal force from the swing bolster to the framework.

The transmission of longitudinal force between traditional passenger train bogie truck bloster and the framework is all realized through two traction link device, this traction link device installs between the side that the framework is constituteed and truck bloster both ends upper portion, traction link both ends adopt the helicitic texture, traction link passes the framework and constitutes and the traction link mount pad on the truck bloster, fasten through the nut, be equipped with the rubber pad between nut and traction link mount pad, when can realizing truck bloated lateral shifting, traction link does not take place to hold back the dead condition. Because the elastic element is arranged between the fastening pieces, the loosening condition of the nut is easy to occur in the long-term operation process, the vehicle performance is influenced, and meanwhile, the connection reliability is influenced due to the fact that the thread parts at the two ends of the traction pull rod are easy to crack under the longitudinal impact load.

Chinese utility model patent publication No. CN 203958165U discloses a railway express wagon bogie draw bar device. The traction pull rod device is mainly suitable for a railway wagon high-speed bogie with a swing bolster underlying structure, the traction pull rods are installed below two side beams of the bogie in pairs, and a traction pull rod installation seat of the traction pull rod device is connected with the bottoms of the side beams of a framework in a welding mode. However, this traction bar arrangement is not suitable for use in situations where the bolster is positioned above the frame. Furthermore, the welding of the traction tie mounts to the lower regions of the side beams belongs to the high stress regions of the frame, through which longitudinal traction forces are transmitted, which is detrimental to the structural reliability of the frame.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned background art, provide a railway express delivery freight car bogie draw link device, this railway express delivery freight car bogie draw link device is through the elasticity ball pivot that sets up at the both ends of drawing the pull rod body, has avoided the not hard up not enough with the screw rod crackle of fastener that appears in the operation process, has guaranteed the security and the reliability of operation.

In order to achieve the above object, the utility model provides a pair of railway express freight car bogie draw link device for set up in pairs between two framework crossbeams and the bolster of railway express freight car bogie, its special character lies in: the novel swing bolster is characterized by comprising a traction pull rod body, wherein a first installation through hole is formed in one end of the traction pull rod body, a second installation through hole is formed in the other end of the traction pull rod body, a first elastic spherical hinge penetrates through the first installation through hole, a second elastic spherical hinge penetrates through the second installation through hole, the first elastic spherical hinge is fixedly connected with a framework cross beam through a first installation seat, and the second elastic spherical hinge is fixedly connected with a swing bolster through a second installation seat.

Furthermore, the first elastic spherical hinge comprises a first central column body, first hanging protrusions are symmetrically arranged on the end faces of two sides of the first central column body, and first through holes are formed in the first hanging protrusions.

Furthermore, the shape of the first center column is matched with that of the first mounting through hole, and the first center column is embedded into the first mounting through hole and is in interference fit with the first mounting through hole.

Furthermore, first hang protruding outwards to extend and wear out first installation through-hole suspension, first hang protruding through retaining member and first mount pad fixed connection.

Furthermore, the second elastic spherical hinge comprises a second central cylinder, second suspension protrusions are symmetrically arranged on two side end faces of the second central cylinder, and second through holes are formed in the second suspension protrusions.

Furthermore, the shape of the second center column is matched with that of the second mounting through hole, and the second center column is embedded into the second mounting through hole and is in interference fit with the second mounting through hole.

Furthermore, the second hangs the arch and outwards extends and wears out the suspension of second installation through-hole, the second hangs the arch and passes through retaining member and second mount pad fixed connection.

Furthermore, the first mounting seat comprises an arc-shaped top seat, the top end of the arc-shaped top seat is fixedly attached to the outer ring of the framework beam, two first connecting bases are arranged at the bottom end of the arc-shaped top seat at intervals, and each first connecting base is provided with a first connecting shaft hole;

the end that the pull rod body has first center cylinder sets up between two first connection bases, is located the homonymy be fixed through the retaining member between first clearing hole and the first connecting axle hole.

Furthermore, the second mounting seat comprises a plane top seat, the top end of the plane top seat is fixed with the bottom end face of the swing bolster, two second connecting bases are arranged at the bottom end of the plane top seat at intervals, and each second connecting base is provided with a second connecting shaft hole;

the end of the traction pull rod body, which is provided with a second central cylinder, is arranged between the two second connecting bases, and the second through hole and the second connecting shaft hole which are positioned at the same side are fixed through a locking piece.

Further, the locking member is a bolt or a rivet.

Compared with the prior art, the utility model has the advantages of as follows:

one of them, the utility model discloses a draw the elasticity ball pivot that the pull rod device set up at the both ends of drawing the pull rod body, be the rigidity contact with the connection position of framework crossbeam and truck bloster, at the operation in-process no relative motion, avoided similar traditional passenger train bogie screw to draw the not hard up and screw rod crackle's of fastener that the pull rod device appears at the operation in-process the circumstances, guaranteed the security and the reliability of operation.

And secondly, the utility model discloses a traction pull rod device's traction pull rod mount pad (first mount pad and second mount pad) sets up on the crossbeam and the bolster that stretch out the framework curb girder outside, and this position is the low stress region of framework and bolster, is fit for bearing the vertical load of vehicle operation in-process alone, is favorable to the structural strength of framework and bolster, and it arranges the railway express freight car bogie that the position is suitable for bolster overhead structure.

Thirdly, the utility model discloses a draw the pull rod device to be connected through bolt or rivet respectively with the draw the pull rod mount pad that sets up on framework crossbeam and the bolster, avoid among the prior art screw thread formula to draw the pull rod and appear the cracked not enough of pull rod.

Drawings

FIG. 1 is a schematic structural view of a traction link device of a bogie of a railway express wagon in a use state;

FIG. 2 is an enlarged schematic view of the draft link assembly of the truck of the railway truck of FIG. 1;

FIG. 3 is an enlarged schematic view of the drag link body of FIG. 2;

FIG. 4 is an enlarged schematic structural view of the first elastic spherical hinge in FIG. 3;

in the figure: framework crossbeam 1, the bolster 2, draw pull rod body 3 (first installation through-hole 3.1, second installation through-hole 3.2), first elasticity ball pivot 4 (first center cylinder 4.1, first suspension arch 4.2, first clearing hole 4.3), second elasticity ball pivot 5 (second center cylinder 5.1, second suspension arch 5.2, second clearing hole 5.3), first mount pad 6 (arc footstock 6.1, first connecting base 6.2, first connecting shaft hole 6.3), second mount pad 7 (plane footstock 7.1, second connecting base 7.2, second connecting shaft hole 7.3), retaining member 8.

Detailed Description

The following detailed description will be given with reference to the embodiments, but they are not intended to limit the present invention, and are given by way of example only. While the advantages of the invention will be apparent and readily appreciated by the description.

A railway express freight car bogie traction rod device as shown in the figure for set up in pairs between two framework crossbeam 1 and the bolster 2 of railway express freight car bogie, including traction pull rod body 3, the one end of traction pull rod body 3 is provided with first installation through-hole 3.1, the other end of traction pull rod body 3 is provided with second installation through-hole 3.2, run through in first installation through-hole 3.1 and be provided with first elasticity ball pivot 4, run through in second installation through-hole 3.2 and be provided with second elasticity ball pivot 5, first elasticity ball pivot 4 is through first mount pad 6 and framework crossbeam 1 fixed connection, second elasticity ball pivot 5 is through second mount pad 7 and bolster 2 fixed connection. The first elastic spherical hinge 4 and the second elastic spherical hinge 5 are made of rubber materials. Like this, at first elastic spherical hinge 4 and the second elastic spherical hinge 5 that the both ends of drawing pull rod body 3 set up, be the rigidity contact with the connection site of framework crossbeam and bolster, there is not relative motion at the operation in-process, avoided the not hard up and screw rod crackle's of fastener that similar traditional passenger train bogie screw rod draws pull rod device appears at the operation in-process the condition, guaranteed the security and the reliability of operation.

Among the above-mentioned technical scheme, first elasticity ball pivot 4 includes first center cylinder 4.1, and the both sides terminal surface symmetry of first center cylinder 4.1 is provided with first arch 4.2 that hangs, is provided with first through hole 4.3 on the first arch 4.2 that hangs. The shape of the first central column 4.1 is matched with the shape of the first mounting through hole 3.1, and the first central column 4.1 is embedded into the first mounting through hole 3.1 and is in interference fit with the first mounting through hole. First protruding 4.2 of hanging outwards extends and wears out first installation through-hole 3.1 suspension, and first protruding 4.2 of hanging is through retaining member 8 and first mount pad 6 fixed connection.

In the above technical scheme, the second elastic spherical hinge 5 includes a second central column 5.1, the two side end faces of the second central column 5.1 are symmetrically provided with second suspension protrusions 5.2, and the second suspension protrusions 5.2 are provided with second through holes 5.3. The shape of the second central column 5.1 is matched with the shape of the second mounting through hole 3.2, and the second central column 5.1 is embedded into the second mounting through hole 3.2 and is in interference fit with the second mounting through hole. The second hangs protruding 5.2 and outwards extends and wears out second installation through-hole 3.2 suspension, and second hangs protruding 5.2 and passes through retaining member 8 and second mount pad 7 fixed connection.

In the technical scheme, the first mounting seat 6 comprises an arc-shaped top seat 6.1, the top end of the arc-shaped top seat 6.1 is fixedly attached to the outer ring of the framework beam 1, two first connecting bases 6.2 are arranged at the bottom end of the arc-shaped top seat 6.1 at intervals, and a first connecting shaft hole 6.3 is formed in each first connecting base 6.2; one end of the traction pull rod body 3, which is provided with a first central column 4.1, is arranged between the two first connecting bases 6.2, and the first through hole 4.3 and the first connecting shaft hole 6.3 which are positioned at the same side are fixed through a locking piece 8.

In the technical scheme, the second mounting base 7 comprises a planar top base 7.1, the top end of the planar top base 7.1 is fixed with the bottom end face of the swing bolster 2, two second connecting bases 7.2 are arranged at intervals at the bottom end of the planar top base 7.1, and a second connecting shaft hole 7.3 is formed in each second connecting base 7.2; the end of the traction pull rod body 3 with the second central column 5.1 is arranged between the two second connecting bases 7.2, and the second through hole 5.3 positioned at the same side is fixed with the second connecting shaft hole 7.3 through the locking piece 8. The locking member 8 is a bolt or a rivet. Thus, the utility model discloses a first mount pad 6 and second mount pad 7 of traction pull rod device set up on stretching out crossbeam and the bolster in the framework curb girder outside, and this position is the low stress region of framework and bolster, is fit for bearing the longitudinal load of vehicle operation in-process alone, is favorable to the structural strength of framework and bolster, and it arranges the railway express freight car bogie that the position is suitable for the bolster overhead structure.

While the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a railway express freight wagon bogie traction rod device for set up in pairs between two framework crossbeam (1) and truck bloster (2) of railway express freight wagon bogie, its characterized in that: including traction pull rod body (3), the one end of traction pull rod body (3) is provided with first installation through-hole (3.1), the other end of traction pull rod body (3) is provided with second installation through-hole (3.2), run through being provided with first elasticity ball pivot (4) in first installation through-hole (3.1), run through being provided with second elasticity ball pivot (5) in second installation through-hole (3.2), first elasticity ball pivot (4) are through first mount pad (6) and framework crossbeam (1) fixed connection, second elasticity ball pivot (5) are through second mount pad (7) and bolster (2) fixed connection.

2. The railway express freight car truck draw link apparatus of claim 1, wherein: the first elastic spherical hinge (4) comprises a first center column body (4.1), wherein first hanging protrusions (4.2) are symmetrically arranged on the end faces of the two sides of the first center column body (4.1), and first through holes (4.3) are formed in the first hanging protrusions (4.2).

3. The railway express freight car truck draw link apparatus of claim 2, wherein: the shape of the first central column (4.1) is matched with that of the first mounting through hole (3.1), and the first central column (4.1) is embedded into the first mounting through hole (3.1) and is in interference fit with the first mounting through hole.

4. The railway express freight car truck draw link apparatus of claim 3, wherein: first hang protruding (4.2) and outwards extend and wear out first installation through-hole (3.1) suspension, first hang protruding (4.2) through retaining member (8) and first mount pad (6) fixed connection.

5. The railway express freight car truck draw link apparatus of claim 4, wherein: the second elastic spherical hinge (5) comprises a second central cylinder (5.1), second suspension protrusions (5.2) are symmetrically arranged on the end faces of the two sides of the second central cylinder (5.1), and second through holes (5.3) are formed in the second suspension protrusions (5.2).

6. The railway express freight car truck draw link apparatus of claim 5, wherein: the shape of the second central column (5.1) is matched with that of the second mounting through hole (3.2), and the second central column (5.1) is embedded into the second mounting through hole (3.2) and is in interference fit with the second mounting through hole.

7. The railway express freight car truck draw link apparatus of claim 6, wherein: the second hangs arch (5.2) and outwards extends and wears out second installation through-hole (3.2) suspension, second hangs arch (5.2) and passes through retaining member (8) and second mount pad (7) fixed connection.

8. The traction rod device of the railway express wagon bogie as recited in any one of claims 2 to 7, wherein: the first mounting seat (6) comprises an arc-shaped top seat (6.1), the top end of the arc-shaped top seat (6.1) is fixedly attached to the outer ring of the framework beam (1), two first connecting bases (6.2) are arranged at the bottom end of the arc-shaped top seat (6.1) at intervals, and a first connecting shaft hole (6.3) is formed in each first connecting base (6.2);

the one end setting that pulls pull rod body (3) has first center cylinder (4.1) is between two first connection bases (6.2), is located the homonymy be fixed through retaining member (8) between first clearing hole (4.3) and the first shaft hole of connecting (6.3).

9. The traction rod device of the railway express wagon bogie as recited in any one of claims 5 to 7, wherein: the second mounting seat (7) comprises a plane top seat (7.1), the top end of the plane top seat (7.1) is fixed with the bottom end face of the swing bolster (2), two second connecting bases (7.2) are arranged at the bottom end of the plane top seat (7.1) at intervals, and a second connecting shaft hole (7.3) is formed in each second connecting base (7.2);

the one end setting that pulls pull rod body (3) has second center cylinder (5.1) is between two second connection bases (7.2), is located the homonymy be fixed through retaining member (8) between second through hole (5.3) and the second connection shaft hole (7.3).

10. The railway express freight car truck draw link apparatus of claim 9, wherein: the locking piece (8) adopts a bolt or a rivet.