CN217778619U - Primary composite spring structure for railway vehicle bogie - Google Patents
Primary composite spring structure for railway vehicle bogie Download PDFInfo
- Publication number
- CN217778619U CN217778619U CN202222232458.2U CN202222232458U CN217778619U CN 217778619 U CN217778619 U CN 217778619U CN 202222232458 U CN202222232458 U CN 202222232458U CN 217778619 U CN217778619 U CN 217778619U
- Authority
- CN
- China
- Prior art keywords
- supporting column
- seat
- supporting
- supporting seat
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Springs (AREA)
Abstract
A series of composite spring structures for a railway vehicle bogie comprises a support pillar and a fixed seat, wherein the support pillar and the fixed seat are respectively used for connecting a vehicle bogie frame and an axle box; a pressure steel spring is sleeved below the supporting column, a hollow supporting seat is fixed on the fixed seat, the outer edge and the inner hole of the supporting seat are in a step shape, and the pressure steel spring is sleeved on the upper part of the supporting seat and clamped between a shaft shoulder at the outer edge of the supporting seat and a disc at the upper end of the supporting column; the lower end of the supporting column is inserted with the upper end of the inner hole of the supporting seat, two rubber nodes which are arranged up and down are arranged between the inner hole of the supporting seat and the supporting column, a wear-resistant sleeve is respectively embedded in the central hole of each rubber node, the wear-resistant sleeve is in clearance fit with the supporting column, and a limiting sleeve is fixed at the lower end of the supporting column; a vertical buffer is arranged on the fixed seat and positioned at the lower part of the inner hole of the supporting seat. The beneficial effects are that: can effectively share vertical, horizontal and longitudinal load that receives in the real car is used, can effectively avoid the fatigue fracture problem of rubber body, increase of service life.
Description
Technical Field
The utility model relates to a rail vehicle damping field, concretely relates to rail vehicle bogie is with a compound spring structure.
Background
The primary spring is applied to the rail transit industry, is arranged between an axle box and a steering frame of a rail vehicle, provides vertical support for the steering frame and parts above the steering frame, transmits traction force and braking force of wheel pairs and the steering frame in the longitudinal direction, and provides flexible connection and limiting in the transverse direction. Therefore, the transverse, longitudinal and vertical fatigue performances of the primary spring are important assessment items for the reliability of the product.
At present, the primary spring structure is mainly divided into two types: the first type is a structure formed by a steel spring and a rubber pad which are arranged up and down; the second type is a conical rubber spring or a V-shaped rubber spring. The rubber pad and the conical rubber spring or the V-shaped rubber spring in the second type of structure are simultaneously subjected to vertical, transverse and longitudinal loads in the practical application; the stress working condition is complex and harsh; the problem of rubber fatigue cracking is easy to occur, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a vertical, horizontal and longitudinal load that can effectively share receive in the real car is used is provided, can effectively avoid the fatigue fracture of rubber body, increase of service life's rail vehicle bogie is with a compound spring structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a series of composite spring structures for a railway vehicle bogie comprises a support pillar and a fixed seat, wherein the support pillar and the fixed seat are respectively used for connecting a vehicle bogie frame and an axle box; the pressure steel spring is sleeved below the supporting column, and is characterized in that: a hollow supporting seat is fixed on the fixed seat, the outer edge and the inner hole of the supporting seat are both in a step shape, and the pressure steel spring is sleeved on the upper part of the supporting seat and clamped between a shaft shoulder at the outer edge of the supporting seat and a disc at the upper end of the supporting column; the lower end of the supporting column is inserted into the upper end of the inner hole of the supporting seat, two rubber nodes which are arranged up and down are arranged between the inner hole of the supporting seat and the supporting column, a wear-resistant sleeve is respectively embedded in a central hole of each rubber node, the wear-resistant sleeve is in clearance fit with the supporting column, and a limiting sleeve is fixed at the lower end of the supporting column and used for limiting the supporting column;
the lower part of the inner hole, which is positioned on the supporting seat above the fixing seat, is provided with a vertical buffer for realizing vertical spacing when the supporting column is under vertical load, and avoiding the pressure steel spring from generating large deformation.
Preferably, the rubber node is an integral structure formed by vulcanizing a metal inner sleeve, a metal outer sleeve and a rubber sleeve arranged between the metal inner sleeve and the metal outer sleeve.
As a further preference, the wear-resistant sleeve is formed by winding glass fibers so as to reduce the friction resistance and reduce the wear of the supporting column.
Preferably, the vertical buffer is an integrated structure formed by vulcanizing two metal plates arranged up and down and a rubber pad arranged between the two metal plates.
The utility model has the advantages that:
1. the existing primary spring structure is changed into a composite spring structure of a pressure steel spring and two rubber nodes, so that the complex working conditions that the rubber pad or the conical rubber spring in the original primary spring bears vertical, transverse and longitudinal loads at the same time can be effectively improved; the pressure steel spring is sleeved at the upper part of the supporting seat and clamped between a shaft shoulder at the outer edge of the supporting seat and a disc at the upper end of the supporting column, so that the vertical load mainly acts on the pressure steel spring; through being equipped with two rubber nodes of arranging from top to bottom between supporting seat hole and support column, make horizontal and longitudinal load mainly act on two rubber nodes, can effectively share vertical, horizontal and longitudinal load that receives in the real car is used, can effectively avoid the rubber body fatigue fracture problem among the traditional structure, increase of service life.
2. Because a series of springs mainly check the vertical rigidity to meet the consistency of the loading height, the pressure steel spring is sleeved on the upper part of the supporting seat and clamped between the shaft shoulder at the outer edge of the supporting seat and the disc at the upper end of the supporting column, so that the vertical rigidity is more stable, the influence of environmental factors is avoided, and the assembly requirement of the whole vehicle is easier to meet.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the installation of the present invention;
in the figure: support column 1, pressure steel spring 2, rubber node 3, wear-resisting cover 4, stop collar 5, set screw 6, vertical buffer 7, supporting seat 8, adjusting shim 9, fixing base 10, bogie frame 11, axle box 12.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-2, the present invention relates to a series of composite spring structures for railway vehicle bogie, which comprises a supporting column 1 and a fixing base 10 coaxially arranged up and down for connecting the vehicle bogie frame and the axle box respectively; the supporting column is characterized in that a pressure steel spring 2 is sleeved below the supporting column 1, a hollow supporting seat 8 is fixed on the fixed seat 10 through screws uniformly distributed on the circumference, the outer edge and the inner hole of the supporting seat 8 are both in a step shape, and the pressure steel spring 2 is sleeved on the upper portion of the supporting seat 8 and clamped between a shaft shoulder in the middle of the outer edge of the supporting seat 8 and a disc at the upper end of the supporting column 1. The utility model discloses a rubber joint structure, including support column 8 hole, rubber node 3, metal inner sleeve 303, metal overcoat 301, rubber sleeve 302, two rubber nodes 3 that arrange from top to bottom are equipped with between support column 8 hole and support column 1, rubber node 3 is the integrative structure that forms by the vulcanization of metal inner sleeve 303, metal overcoat 301 and the rubber sleeve 302 of establishing between metal inner sleeve and metal overcoat, and two rubber nodes 3 are installed through metal overcoat 301 and 8 hole interference fit of support seat respectively, and block respectively in two circular bead departments on support seat 8 hole upper portion.
A wear-resistant sleeve 4 is respectively embedded in the central hole of each rubber node 3, and the wear-resistant sleeve 4 is in clearance fit with the support column 1; a limiting sleeve 5 is fixed at the lower end of the supporting column 1 through a fixing screw 6, and the outer diameter of the limiting sleeve 5 is consistent with that of the metal inner sleeve 303 of the rubber node 3 and used for limiting the supporting column 1. The wear-resistant sleeve 4 is formed by winding glass fibers, so that the friction resistance is reduced, the wear of the support column 1 is reduced, the vertical movement of the support column 1 is not restricted, and transverse and longitudinal loads can be effectively transmitted.
The lower part of the inner hole of the supporting seat 8 on the fixing seat 10 is provided with a vertical buffer 7 for realizing vertical limitation when the supporting column 1 is under vertical load and avoiding the pressure steel spring 2 from generating large deformation. The vertical buffer 7 is an integrated structure formed by vulcanizing two metal plates which are arranged up and down and a rubber pad arranged between the two metal plates. The shoulder at the upper end of the fixed seat 10 is sleeved with an adjusting gasket 9, and the adjusting gasket 9 is clamped between the fixed seat 10 and the supporting seat 8 and used for adjusting the installation height of the series of composite springs to meet the assembly requirements of the whole vehicle.
When the automobile bogie is installed, the supporting column 1 and the fixed seat 10 are respectively inserted into the installation holes of the automobile bogie frame 11 and the axle box 12; when the device works, the pressure steel spring 2 is sleeved at the upper part of the supporting seat 8 and clamped between a shaft shoulder at the outer edge of the supporting seat 8 and a disc at the upper end of the supporting column 1, so that the vertical load mainly acts on the pressure steel spring 2; through two rubber nodes 3 that arrange from top to bottom being equipped with between 8 holes in supporting seat and support column 1, make horizontal and vertical load mainly act on two rubber nodes 3, can effectively share vertical, horizontal and vertical load that receives in the real car is used, can effectively avoid the fatigue fracture problem of the rubber body in the traditional structure, increase of service life.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A series of composite spring structures for a railway vehicle bogie comprises a support pillar and a fixed seat, wherein the support pillar and the fixed seat are respectively used for connecting a vehicle bogie frame and an axle box; the pressure steel spring is sleeved below the supporting column and is characterized in that: a hollow supporting seat is fixed on the fixed seat, the outer edge and the inner hole of the supporting seat are both in a step shape, and the pressure steel spring is sleeved on the upper part of the supporting seat and clamped between a shaft shoulder at the outer edge of the supporting seat and a disc at the upper end of the supporting column; the lower end of the supporting column is inserted with the upper end of the inner hole of the supporting seat, two rubber nodes which are arranged up and down are arranged between the inner hole of the supporting seat and the supporting column, a wear-resistant sleeve is respectively embedded in a central hole of each rubber node, the wear-resistant sleeve is in clearance fit with the supporting column, and a limiting sleeve is fixed at the lower end of the supporting column and used for limiting the supporting column;
the lower part of the inner hole of the supporting seat on the fixing seat is provided with a vertical buffer for realizing vertical limit when the supporting column is under vertical load and avoiding the pressure steel spring from generating large deformation.
2. A series of compound spring structures for a railway car truck as claimed in claim 1, wherein: the rubber node is an integrated structure formed by vulcanizing a metal inner sleeve, a metal outer sleeve and a rubber sleeve arranged between the metal inner sleeve and the metal outer sleeve.
3. A series of compound spring structures for a railway car truck as claimed in claim 1, wherein: the wear-resistant sleeve is formed by winding glass fibers so as to reduce friction resistance and reduce wear of the supporting column.
4. A series of compound spring structures for a railway car truck as claimed in claim 1, wherein: the vertical buffer is an integrated structure formed by vulcanizing two metal plates which are arranged up and down and a rubber pad arranged between the two metal plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222232458.2U CN217778619U (en) | 2022-08-24 | 2022-08-24 | Primary composite spring structure for railway vehicle bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222232458.2U CN217778619U (en) | 2022-08-24 | 2022-08-24 | Primary composite spring structure for railway vehicle bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217778619U true CN217778619U (en) | 2022-11-11 |
Family
ID=83906686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222232458.2U Active CN217778619U (en) | 2022-08-24 | 2022-08-24 | Primary composite spring structure for railway vehicle bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217778619U (en) |
-
2022
- 2022-08-24 CN CN202222232458.2U patent/CN217778619U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109878545B (en) | Tramcar and bogie | |
| CN110329301B (en) | Narrow-gauge vehicle bogie and manufacturing method thereof | |
| CN203372249U (en) | Large-axle-load railway vehicle bogie | |
| CN103625493A (en) | Large-axle-load railway vehicle bogie | |
| CN107351860A (en) | A kind of quasi- zero stiffness central mounting device of stepless changing | |
| CN111559404A (en) | Bogie for engineering truck and engineering truck | |
| CN112519827B (en) | Bogie crossbeam, bogie and rail vehicle | |
| CN111674419A (en) | Articulated bogie with embedded vibration and noise reduction device | |
| CN103661463A (en) | High speed railway wagon bogie | |
| CN111516723A (en) | Novel large-axle-weight railway freight car three-axle bogie borne by full side bearing | |
| CN210436948U (en) | Rear axle bush of non-independent suspension | |
| CN217778619U (en) | Primary composite spring structure for railway vehicle bogie | |
| CN112026824A (en) | Axle box positioning method, axle box overhead node and railway vehicle | |
| CN115195802A (en) | Primary composite spring structure for railway vehicle bogie | |
| CN203902571U (en) | Frame of rapid railway freight car bogie | |
| CN218971714U (en) | Novel auxiliary frame bushing with buffer block | |
| CN203372253U (en) | Railway vehicle steering frame brake mounting structure | |
| CN114394120B (en) | High dynamic performance railway wagon bogie | |
| CN212605150U (en) | Articulated bogie with embedded vibration and noise reduction device | |
| CN213262381U (en) | Bogie of high-speed large-shaft heavy electric transmission rail engineering truck | |
| CN212605151U (en) | Novel large-axle-weight railway freight car three-axle bogie borne by full side bearing | |
| CN212473463U (en) | Flexible framework type bogie and railway vehicle | |
| CN201736759U (en) | Composite suspension frame device of hollow rubber spring for steering axle of truck | |
| CN204956500U (en) | Coach bogie | |
| CN210859636U (en) | Conical spring for hoisting equipment under vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |