CN216833664U - Swing bolster assembly for railway wagon bogie - Google Patents
Swing bolster assembly for railway wagon bogie Download PDFInfo
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- CN216833664U CN216833664U CN202220142530.XU CN202220142530U CN216833664U CN 216833664 U CN216833664 U CN 216833664U CN 202220142530 U CN202220142530 U CN 202220142530U CN 216833664 U CN216833664 U CN 216833664U
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- bolster
- swing bolster
- swing
- bolster body
- elastic stop
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Abstract
The utility model discloses a bolster subassembly for a railway freight car bogie, which comprises a bolster body, wherein a lower center plate is arranged at the center of the top of the bolster body, and two ends of the top of the bolster body are respectively provided with a side bearing box; a fixed lever fulcrum seat is arranged on the side surface of the top of the swing bolster body; and two ends of the bottom of the swing bolster body are respectively provided with a swing bolster cylinder body for mounting a spring. The bolster cylinder has a hollow cylindrical receiving cavity for receiving the end of the spring. The bottom of the swing bolster body is further provided with two symmetrically arranged transverse elastic stop mounting seats, and the transverse elastic stop mounting seats extend downwards to form a protruding structure. And the outer side surface of the transverse elastic stop mounting seat is provided with a transverse elastic stop. The utility model discloses bolster subassembly for rail wagon bogie can be used for installing the spring of the big amount of deflection, and can restrict the displacement of spring, improves sideslip location rigidity.
Description
Technical Field
The utility model relates to a technical field of swing bolster, concretely relates to swing bolster subassembly for railway freight car bogie.
Background
The spring deflection of the current railway freight car bogie is generally below 70mm, the damping mode is generally wedge friction damping, and a bolster spring is arranged on the plane of the end part of a bolster.
With the increasing requirements of some special vehicles on dynamic performance, the spring deflection needs to be further improved, and hydraulic dampers need to be installed, however, the existing swing bolster structure cannot meet the installation requirements of the special vehicles.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned background art, provide a bolster subassembly for rail wagon bogie, this bolster subassembly not only can install the spring and the hydraulic shock absorber of the big amount of deflection, can also restrict the horizontal too big sideslip of spring to can reduce horizontal impact.
In order to achieve the purpose, the swing bolster assembly for the railway wagon bogie comprises a swing bolster body, wherein a lower center plate is arranged at the center of the top of the swing bolster body, and two side bearing boxes are respectively arranged at two ends of the top of the swing bolster body; a fixed lever fulcrum seat is arranged on the side surface of the top of the swing bolster body; and two ends of the bottom of the swing bolster body are respectively provided with a swing bolster cylinder body for mounting a spring.
Further, the bolster cylinder has a hollow cylindrical receiving cavity for receiving the end of the spring.
Further, the bottom of the swing bolster body is further provided with two symmetrically arranged transverse elastic stop mounting seats, and the transverse elastic stop mounting seats extend downwards to form a protruding structure.
Further, a transverse elastic stop is arranged on the outer side surface of the transverse elastic stop mounting seat.
Furthermore, the two transverse elastic stop mounting seats are positioned between the two swing bolster cylinders provided with the springs; the two transverse elastic stop mounting seats and the two swing bolster cylinders are symmetrically arranged relative to the central axis of the lower center plate.
Furthermore, the end parts of the two ends of the swing bolster body are provided with traction pull rod installation seats which extend outwards.
Further, the end parts of the two ends of the swing bolster body are also provided with first shock absorber installation seats.
Furthermore, a traction pull rod mounting seat at one end of the swing bolster body and a traction pull rod mounting seat at the other end of the swing bolster body are arranged in a diagonal manner relative to the central axis of the lower center plate;
the first shock absorber mounting seat at one end of the swing bolster body and the first shock absorber mounting seat at the other end of the swing bolster body are arranged diagonally relative to the central axis of the lower center plate.
And furthermore, second shock absorber mounting seats are respectively arranged on the side surfaces of two sides of the swing bolster body.
Furthermore, the second shock absorber mounting seats on the two side surfaces of the swing bolster body are arranged diagonally relative to the central axis of the lower center plate.
Compared with the prior art, the utility model has the advantages of as follows:
one of them, the utility model discloses truck bloster body bottom both ends of truck bloster subassembly for rail wagon bogie are provided with the truck bloster barrel respectively, can be used for installing the spring of big amount of deflection, have further promoted the amount of deflection of spring, and can restrict the displacement of spring, improve sideslip location rigidity.
And secondly, the utility model discloses the bottom of bolster subassembly bolster body for rail wagon bogie still is provided with the horizontal elasticity backstop mount pad of two symmetrical arrangement, and the lateral surface of horizontal elasticity backstop mount pad is provided with horizontal elasticity backstop, can restrict horizontal too big sideslip to can reduce horizontal impact.
Thirdly, the utility model discloses traction pull rod mount pad, first shock absorber mount pad and second shock absorber mount pad of bolster subassembly for the railway freight car bogie adopt oblique diagonal angle to arrange, can be used for installing hydraulic shock absorber.
Drawings
FIG. 1 is a schematic illustration of a bolster assembly for a railway freight car truck;
FIG. 2 is a schematic bottom view of the bolster assembly for the railway freight car truck of FIG. 1;
in the figure: the swing bolster comprises a swing bolster body 1, a lower center plate 2, a side bearing box 3, a fixed lever fulcrum seat 4, a swing bolster cylinder 5, a containing cavity 5.1, a transverse elastic stop mounting seat 6, a transverse elastic stop 7, a traction pull rod mounting seat 8, a first shock absorber mounting seat 9 and a second shock absorber mounting seat 10.
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.
The bolster assembly for the railway wagon bogie as shown in fig. 1 comprises a bolster body 1, wherein a lower center plate 2 is arranged at the center of the top of the bolster body 1, and two side bearing boxes 3 are respectively arranged at two ends of the top of the bolster body 1; the side face of the top of the swing bolster body 1 is provided with a fixed lever fulcrum seat 4, and the fixed lever fulcrum seat 4 is used for being hinged with a brake lever on a basic brake device. The two ends of the bottom of the swing bolster body 1 are respectively provided with a swing bolster cylinder 5 for mounting a spring. The bolster cylinder 5 has a hollow cylindrical receiving chamber 5.1 for receiving the spring end. The swing bolster cylinder body 5 can be used for installing a large-deflection spring, and one part of the spring is installed in the cylinder body, so that the deflection of the spring is further improved, the displacement of the spring can be limited, and the transverse movement positioning rigidity is improved.
Among the above-mentioned technical scheme, the bottom of truck bloster body 1 still is provided with two symmetrical arrangement's horizontal elastic stop mount pad 6, and horizontal elastic stop mount pad 6 downwardly extending forms protruding structure. The lateral surface of the lateral elastic stop mounting seat 6 is provided with a lateral elastic stop 7. The two transverse elastic stop mounting seats 6 are positioned between the two swing bolster cylinders 5 provided with springs; the two transverse elastic stop mounting seats 6 and the two swing bolster cylinders 5 are symmetrically arranged relative to the central axis of the lower center plate 2. The lateral spring stop 7 can limit the lateral excessive lateral movement and can reduce the lateral impact.
As shown in fig. 2, the ends of the two ends of the bolster body 1 are provided with traction tie installation seats 8 extending outwards, and the traction tie installation seats 8 can be used for installing traction ties. The end parts of the two ends of the swing bolster body 1 are also provided with first shock absorber installation seats 9. The traction pull rod mounting seat 8 at one end of the swing bolster body 1 and the traction pull rod mounting seat 8 at the other end of the swing bolster body 1 are arranged in a diagonal manner relative to the central axis of the lower center plate 2; the first shock absorber mounting seat 9 of the end part of one end of the swing bolster body 1 and the first shock absorber mounting seat 9 positioned at the end part of the other end of the swing bolster body 1 are arranged diagonally relative to the central axis of the lower center plate 2. And the side surfaces of two sides of the swing bolster body 1 are respectively provided with a second shock absorber mounting seat 10. The second shock absorber mounting seats 10 on the side surfaces of the two sides of the swing bolster body 1 are arranged diagonally relative to the central axis of the lower center plate 2. The first damper mount 9 and the second damper mount 10 may be used for mounting a hydraulic damper.
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 (10)
1. The utility model provides a railway freight car is bolster subassembly for bogie which characterized in that: the swing bolster comprises a swing bolster body (1), wherein a lower center plate (2) is arranged at the center of the top of the swing bolster body (1), and side bearing boxes (3) are respectively arranged at two ends of the top of the swing bolster body (1); a fixed lever fulcrum seat (4) is arranged on the side surface of the top of the swing bolster body (1); and two ends of the bottom of the swing bolster body (1) are respectively provided with a swing bolster cylinder (5) for mounting a spring.
2. A bolster assembly for a railway wagon bogie as recited in claim 1, wherein: the swing bolster cylinder (5) is provided with a hollow cylindrical accommodating cavity (5.1) for accommodating the end part of the spring.
3. A bolster assembly for a railway wagon bogie as recited in claim 2, wherein: the bottom of the swing bolster body (1) is further provided with two symmetrically arranged transverse elastic stop mounting seats (6), and the transverse elastic stop mounting seats (6) extend downwards to form a protruding structure.
4. A bolster assembly for a railway wagon bogie as recited in claim 3, wherein: and a transverse elastic stop (7) is arranged on the outer side surface of the transverse elastic stop mounting seat (6).
5. A bolster assembly for a railway wagon bogie as recited in claim 4, wherein: the two transverse elastic stop mounting seats (6) are positioned between the two swing bolster cylinders (5) provided with springs; the two transverse elastic stop mounting seats (6) and the two swing bolster cylinders (5) are symmetrically arranged relative to the central axis of the lower center plate (2).
6. A bolster assembly for a railway wagon bogie according to any one of claims 1 to 5, wherein: the end parts of two ends of the swing bolster body (1) are provided with traction pull rod mounting seats (8) which extend outwards.
7. A bolster assembly for a railway wagon bogie as recited in claim 6, wherein: the swing bolster is characterized in that first shock absorber mounting seats (9) are further arranged at the end parts of the two ends of the swing bolster body (1).
8. A bolster assembly for a railway wagon bogie as recited in claim 7, wherein: the traction pull rod mounting seat (8) at one end of the swing bolster body (1) and the traction pull rod mounting seat (8) at the other end of the swing bolster body (1) are arranged diagonally relative to the central axis of the lower center plate (2);
the first shock absorber mounting seat (9) at one end of the swing bolster body (1) and the first shock absorber mounting seat (9) at the other end of the swing bolster body (1) are arranged diagonally relative to the central axis of the lower center plate (2).
9. A bolster assembly for a railway wagon bogie as recited in claim 8, wherein: and the side surfaces of two sides of the swing bolster body (1) are respectively provided with a second shock absorber mounting seat (10).
10. A bolster assembly for a railway wagon bogie as recited in claim 9, wherein: the second shock absorber mounting seats (10) on the side surfaces of the two sides of the swing bolster body (1) are arranged diagonally relative to the central axis of the lower center plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220142530.XU CN216833664U (en) | 2022-01-19 | 2022-01-19 | Swing bolster assembly for railway wagon bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220142530.XU CN216833664U (en) | 2022-01-19 | 2022-01-19 | Swing bolster assembly for railway wagon bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833664U true CN216833664U (en) | 2022-06-28 |
Family
ID=82084772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220142530.XU Active CN216833664U (en) | 2022-01-19 | 2022-01-19 | Swing bolster assembly for railway wagon bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216833664U (en) |
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2022
- 2022-01-19 CN CN202220142530.XU patent/CN216833664U/en active Active
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