CN211519509U - Railway wagon bogie - Google Patents
Railway wagon bogie Download PDFInfo
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- CN211519509U CN211519509U CN201922348927.5U CN201922348927U CN211519509U CN 211519509 U CN211519509 U CN 211519509U CN 201922348927 U CN201922348927 U CN 201922348927U CN 211519509 U CN211519509 U CN 211519509U
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- wedge
- side frame
- friction
- inclined wedge
- swing bolster
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Abstract
The utility model discloses a railway freight car bogie, which comprises a wheel pair, a swing bolster assembly, a side frame assembly, a wedge vibration damper, a bearing saddle and a bearing spring, wherein the wedge vibration damper is positioned between a swing bolster abrasion plate and a side frame upright post abrasion plate composed of the side frame in the swing bolster assembly; the inclined wedge vibration damper comprises an inclined wedge, an inclined wedge friction plate and a vibration damping spring; the damping spring is arranged under the wedge and between the central square frame spring bearing table surface of the side frame; the width of the friction plate of the inclined wedge is the same as that of the main friction vertical surface of the inclined wedge, and the width of the main friction vertical surface of the inclined wedge is wider than that of the auxiliary friction surface of the inclined wedge. The inclined wedge which is wider in the main friction vertical surface attached to the side frame and narrower in the auxiliary friction surface attached to the swing bolster is adopted to adapt to the arrangement of damping springs on the swing bolster and the side frame which are narrower in interval, so that the side frame and the swing bolster spring bearing platform are of a narrower width structure, meanwhile, the inclined wedge damping device can still provide enough diamond deformation resisting rigidity for the bogie, and better operation quality and safety performance are obtained.
Description
Technical Field
The utility model relates to a railway freight car technical field, concretely relates to railway freight car bogie.
Background
Railway vehicle bogies are important components of railway freight cars. Due to the difference of the national conditions of various countries in the world, railway vehicles have the difference of axle weight, operation limits and line track gauge. Except that europe mainly adopts welded framework type bogie, satisfies quick railway transportation, other areas mainly adopt cast steel three major part formula freight transportation bogies. The cross-bracing bogie and the turning 8 series bogie in China are similar to Barber type bogies, and mainly adopt a side frame cross-bracing technology to improve the rhombus deformation resistance rigidity of the bogie so as to obtain higher snaking critical speed, but when the requirements on the development road of reducing self weight and increasing load of a railway wagon and speed are not high, the side frame cross-bracing technology bogie has the problems of complex technology, large self weight and high cost; the variable friction wedge vibration reduction technology is adopted, the working load of the empty wagon vibration reduction spring is increased, the running stability of the empty wagon can be improved, the outer diameter of the wedge spring is larger, the width of the wedge is correspondingly larger, the narrow-gauge requirement cannot be met, the main friction vertical surface of the wedge is widened, and the rhombus deformation resistant rigidity provided by the wedge is favorably improved. In addition, lever type braking or unit integrated braking with a braking lever deviating a certain angle from a longitudinal central plane of a vehicle is adopted, a safety rope sleeve ring made of a steel wire rope is usually adopted for drop-off prevention of the lower pull rod, or a lifting ring is welded on a braking beam to serve as a drop-off prevention structure scheme, so that the bogie is required to have large vertical clearance allowance from a bottom limiting limit, and the welding requirement is high.
Disclosure of Invention
The utility model aims at providing a railway freight car bogie to above-mentioned not enough of technique, effectively solved the slide wedge damping device of bogie in narrow limit within range and the little difficult problem in bearing spring space of arranging, can improve the anti diamond rigidity of bogie, improve vertical and the lateral movement stationarity of vehicle, improve the snaking critical speed of moving of bogie.
In order to realize the aim, the utility model designs a railway freight car bogie, which comprises a wheel pair, a swing bolster assembly, a side frame assembly, a foundation brake and a wedge vibration damper; the inclined wedge vibration reduction device comprises an inclined wedge, an inclined wedge friction plate and a vibration reduction spring; the width of the friction plate of the inclined wedge is the same as that of a main friction vertical surface of the inclined wedge, the width of the main friction vertical surface of the inclined wedge is wider than that of an auxiliary friction surface of the inclined wedge, and the auxiliary friction surface of the inclined wedge is in contact with a swing bolster abrasion plate installed on an inclined surface of a swing bolster notch formed by a swing bolster.
Furthermore, a circular truncated cone protruding from the middle of the wedge friction plate is arranged in a mounting hole of the main friction vertical surface of the wedge.
Furthermore, the upper part and the lower part of the main friction vertical surface of the inclined wedge are both provided with friction plate flanges for stopping the inclined wedge friction plates.
Furthermore, the notch structure of the swing bolster is a U-shaped notch structure contracted in a stepped mode, and the width of the outer side of the notch is wider than that of the inner side of the notch.
Furthermore, the damping spring is arranged between the right lower side of the wedge and a bearing table surface of a central square frame spring of the side frame consisting of the side frames.
Furthermore, the basic brake comprises a brake beam and brake levers connected with the brake beam, wherein the upper end of one brake lever is connected with a fulcrum of the brake lever; the anti-disengaging plate one end has the hole that can supply round pin to connect and be the flat board before the installation, the round pin passes the end hole of installation pull rod down, the round hole of anti-disengaging plate and brake lever lower part round hole in proper order, and the split pin is installed to the round pin tail end, and after the installation pull rod end back is leaned on to the parcel down to anti-disengaging plate sclausura one end is bent to wrap up in one side of the pull rod end until leaning on round pin head back.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses in the slide wedge vibration damper of railway freight car bogie, adopt the main friction vertical face broad with the side bearer laminating, with the narrower slide wedge of bolster laminating vice friction surface to adapt to damping spring and arrange on narrower bolster in interval and side bearer, in order to realize the narrower width structure of side bearer and bolster spring bearing platform, simultaneously, slide wedge vibration damper still can provide the bogie enough to resist the rhombus and warp rigidity, obtain better operation quality and security performance;
2. the foundation brake adopts the lower pull rod type brake arranged in the vertical plane of the longitudinal central symmetry plane of the vehicle, and adopts the anti-drop plate attached to the lower pull rod and the brake round pin, so that welding is not needed, the anti-drop safety of the lower pull rod is improved, and the bogie is easy to avoid the lower limit of a higher railway wagon;
3. the utility model discloses the slide wedge damping device of bogie in narrow limit within range has effectively been solved to the railway freight car bogie and has been arranged a little difficult problem in space with bearing spring, can improve the anti diamond rigidity of bogie, improves the vertical and the lateral movement stationarity of vehicle, improves the snaking critical speed of moving of bogie.
Drawings
FIG. 1 is a schematic structural view of a bogie of a railway wagon according to the present invention;
FIG. 2 is a schematic view of the side frame assembly of FIG. 1;
FIG. 3 is a schematic structural view of the wedge damper of FIG. 1;
FIG. 4 is a schematic view of the wedge structure of FIG. 3;
FIG. 5 is a schematic view of the bolster assembly of FIG. 1;
FIG. 6 is a schematic view of the bolster pocket configuration of FIG. 5;
FIG. 7 is a schematic view of the construction of a wedge mounted to the bolster pocket in FIG. 5;
FIG. 8 is a schematic view of the basic braking configuration of FIG. 1;
FIG. 9 is an exploded view of the anti-separation connection of the lower link of FIG. 6;
fig. 10 is a schematic view of the installation structure of the drop-off prevention connection of the lower link in fig. 6.
Wherein: the wheel pair 1, the side frame assembly 2 (wherein: the side frame 2.1, the chute wearing plate 2.2, the column wearing plate 2.3, the guide frame wearing plate 2.4, the central square frame spring bearing table surface 2.5, the central square frame 2.6), the wedge vibration damper 3 (wherein: the wedge 3.1, the vibration damper spring 3.2, the wedge friction plate 3.3, the auxiliary friction surface 3.4, the main friction vertical surface 3.5, the mounting hole 3.6, the friction plate flange 3.7), the bolster assembly 4 (wherein: the bolster wearing plate 4.1, the notch inner side 4.2, the notch outer side 4.3, the fixed lever fulcrum seat 4.4, the bolster 4.5), the foundation brake 5 (wherein: the brake beam 5.1, the anti-drop plate 5.2, the pull rod 5.3, the brake lever 5.4, the brake lever fulcrum 5.5, the brake shoe bolt 5.6, the brake shoe brake 5.7, the round pin 5.8, the open pin 5.9), the bearing 6, the load bearing spring 7, the saddle bearing assembly 9.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1, the railway wagon bogie comprises a wheel pair 1, a side frame assembly 2, a wedge vibration damper 3, a bolster assembly 4, a foundation brake 5, a bearing 6, a bearing spring 7, a side bearing assembly 8 and a bearing saddle 9; as shown in fig. 2, the side frame assembly 2 includes a side frame 2.1, a vertical column wearing plate 2.3 installed on a vertical surface of an upper portion of a central frame 2.6 of the side frame 2.1, a chute wearing plate 2.2 installed in a chute inside the side frame 2.1, and a guide frame wearing plate 2.4 installed in guide frames at two ends of the side frame 2.1, wherein the vertical column wearing plate 2.3 is fixed on the side frame 2.1 through a flat head folding head bolt, the chute wearing plate 2.2 is clamped into the chute, and the guide frame wearing plate 2.4 is upwards clamped into the guide frame. The bearings 6 are pressed at two ends of the wheel pair 1, the bearing saddles 9 are positioned on the bearing 6 devices, the right upper part of the bearing saddles 9 is contacted with a guide frame abrasion plate 2.4 in the side frame assembly 2, and the bearing springs 7 are arranged on a central square frame spring bearing table surface 2.5 of the side frame assembly 2; the two ends of the swing bolster 4.5 are arranged in the central square frame of the side frame 2.1 and fall on the bearing springs 7, the side bearing assemblies 8 are arranged in the casting side bearing boxes at the two ends of the swing bolster 4.5, and the wedge vibration damper 3 is positioned between the swing bolster wearing plate 4.1 and the upright post wearing plate 2.3 of the side frame 2.1 in the swing bolster assembly 4.
As shown in fig. 3 and 4, the wedge damper device 3 comprises a wedge 3.1, a wedge friction plate 3.3 and a damper spring 3.2; the damping spring 3.2 is arranged between the right lower part of the wedge 3.1 and the central square frame spring bearing table surface 2.5 of the side frame 2.1, and the auxiliary friction surface 3.4 of the wedge 3.1 is contacted with a swing bolster abrasion plate 4.4 arranged on the inclined surface of the notch of the swing bolster 4.5; the middle part of the wedge friction plate 3.3 protrudes into the mounting hole 3.6 of the main friction vertical surface 3.5 of the wedge 3.1, when the wedge friction plate 3.3 and the wedge 3.1 vertically oppose to the column abrasion plate 2.3 for relative movement, the upper and lower friction plate flanges 3.7 of the main friction vertical surface 3.5 of the wedge can stop the wedge friction plate 3.3, and the width of the wedge friction plate 3.3 is basically the same as the width of the main friction vertical surface 3.5 of the wedge 3.1. As shown in fig. 5 and 6, the main friction vertical surface 3.5 of the wedge 3.1 in the wedge vibration damper 3 has a wider width than the auxiliary friction surface 3.4, and the main friction vertical surface 3.5 of the wedge 3.1 is widened to improve the diamond-resistant rigidity provided by the vibration damper.
As shown in figure 5, a bolster wearing plate 4.1 is installed on a notch inclined plane at the end part of each bolster 4.5, the bolster wearing plate 4.1 is in contact with an auxiliary friction surface 3.4 of a wedge 3.1, and in the operation process, the bolster 4.5 transmits horizontal direction load to the wedge 3.1 through the notch inclined plane and a notch inner side surface, as shown in figure 7, the notch structure of the bolster 4.5 is a U-shaped notch structure with step shrinkage, the width of the inner side 4.2 of the notch is small, and the width of the outer side 4.3 of the notch is wider than that of the inner side so as to match the structure installation of the main friction vertical surface 3.5 widening of the wedge.
As shown in fig. 8, 9 and 10, 5 comprises a brake beam 5.1 and brake levers 5.4 connected with the brake beam 5.1 through round pins, wherein the upper end of one brake lever 5.4 is connected with a brake lever fulcrum 5.5 through a round pin, the lower end of the brake lever 5.4 is connected with the ends of an anti-drop plate 5.2 and a lower pull rod 5.3 through a round pin 5.8, the ends of the two sides of the brake beam 5.1 are attached to a chute wearing plate 2.2 of a side frame assembly 2 and can move along a side frame chute, the brake lever fulcrum 5.5 is connected with a fixed lever fulcrum seat 4.4 on one side surface of the center of a swing bolster 4.5 through a round pin, and a brake shoe 5.7 is installed on a shoe support on the two sides of the brake beam 5.1 through brake shoe bolts 5.6.
As shown in fig. 6, the anti-falling function of the anti-falling plate 5.2 is realized by using the structure and installation thereof, one end of the anti-falling plate 5.2 is provided with a hole for connecting a round pin 5.8, the anti-falling plate is a flat plate before installation, the round pin 5.8 sequentially passes through an end hole for installing a lower pull rod 5.3, a round hole of the anti-falling plate 5.2 and a round hole at the lower part of a brake lever 5.4, the tail end of the round pin 5.8 is provided with a cotter pin 5.9, one non-porous end of the anti-falling plate 5.8 is bent to wrap one side of the end of the lower pull rod 5.3 until the non-porous end is attached to the back of the head of the round pin 5.8, the anti-falling plate is reliably installed on the round pin, under the condition that the tail cotter pin is lost or broken and failed, the anti-falling function of the round pin 5.8 is realized by using the installation structure.
The utility model discloses bogie adaptation narrow gauge line and the railway clearance that corresponds, in slide wedge vibration damper, adopt the vertical face broad of main friction with the side bearer laminating, with the narrower slide wedge of vice friction surface of bolster laminating to adapt to damping spring and arrange on interval narrower bolster and side bearer, with the narrower width structure of realization side bearer and bolster spring bearing platform, simultaneously, slide wedge vibration damper still can provide the sufficient rhombus deformation rigidity that resists of bogie, obtains better operation quality and security performance. The foundation brake adopts the lower pull rod type brake arranged in the vertical plane of the longitudinal central symmetry plane of the vehicle, adopts the anti-drop plate attached to the lower pull rod and the brake round pin, does not need welding, improves the anti-drop safety of the lower pull rod, and enables the bogie to easily avoid the lower limit of a higher railway wagon.
The utility model relates to a bogie mainly use in narrow gauge track area, because of the railway clearance is narrow, vehicle lower part gauge clearance is not big, through bogie part rational in infrastructure overall arrangement, satisfying under the bogie part structural strength condition, realize bogie safe and reliable, operating performance is good, the maintenance is overhauld conveniently.
Claims (6)
1. A railway wagon bogie comprises a wheel pair (1), a swing bolster assembly (4), a side frame assembly (2), a foundation brake (5) and a wedge vibration damper (3); the inclined wedge vibration damper (3) comprises an inclined wedge (3.1), an inclined wedge friction plate (3.3) and a vibration damping spring (3.2); the method is characterized in that: the width of the wedge friction plate (3.3) is the same as that of a main friction vertical surface (3.5) of the wedge (3.1), the width of the main friction vertical surface (3.5) of the wedge (3.1) is wider than that of an auxiliary friction surface (3.4) of the wedge (3.1), and the auxiliary friction surface (3.4) of the wedge (3.1) is in contact with a swing bolster abrasion plate (4.4) installed on a swing bolster (4.5) notch inclined plane of the swing bolster component (4).
2. A railway wagon bogie as recited in claim 1, wherein: the middle part of the wedge friction plate (3.3) protrudes and is provided with a circular truncated cone which is arranged in a mounting hole (3.6) of the main friction vertical surface (3.5) of the wedge (3.1).
3. A railway wagon bogie as recited in claim 1, wherein: the upper part and the lower part of the main friction vertical surface (3.5) of the inclined wedge are both provided with friction plate flanges (3.7) for stopping the inclined wedge friction plates (3.3).
4. A railway wagon bogie as recited in claim 1, wherein: the notch structure of the swing bolster (4.5) is a U-shaped notch structure contracted in a stepped manner, and the width of the outer side (4.3) of the notch is wider than that of the inner side (4.2) of the notch.
5. A railway wagon bogie as recited in claim 1, wherein: the damping spring (3.2) is arranged between the right lower part of the wedge (3.1) and a side frame (2.1) central square spring bearing table surface (2.5) of the side frame assembly (2).
6. A railway wagon bogie as recited in claim 1, wherein: the basic brake (5) comprises a brake beam (5.1) and brake levers (5.4) connected with the brake beam (5.1), wherein the upper end of one brake lever (5.4) is connected with a brake lever fulcrum (5.5); anticreep board (5.2) one end has the hole that can supply round pin (5.8) to connect and is the flat board before the installation, round pin (5.8) pass the end hole of installation pull down rod (5.3), the round hole of anticreep board (5.2) and brake lever (5.4) lower part round hole in proper order, and split pin (5.9) are installed to round pin (5.8) tail end, the installation back anticreep board (5.2) sclausura one end is bent and is wrapped around pull rod (5.3) end one side down and lean on round pin (5.8) head back until leaning on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348927.5U CN211519509U (en) | 2019-12-24 | 2019-12-24 | Railway wagon bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348927.5U CN211519509U (en) | 2019-12-24 | 2019-12-24 | Railway wagon bogie |
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| Publication Number | Publication Date |
|---|---|
| CN211519509U true CN211519509U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922348927.5U Active CN211519509U (en) | 2019-12-24 | 2019-12-24 | Railway wagon bogie |
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| CN (1) | CN211519509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581239A (en) * | 2021-08-11 | 2021-11-02 | 郑州铁路职业技术学院 | Multifunctional bogie frame device for railway track car |
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2019
- 2019-12-24 CN CN201922348927.5U patent/CN211519509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581239A (en) * | 2021-08-11 | 2021-11-02 | 郑州铁路职业技术学院 | Multifunctional bogie frame device for railway track car |
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