CN212605147U - Side bearing body assembly of large-load railway wagon - Google Patents
Side bearing body assembly of large-load railway wagon Download PDFInfo
- Publication number
- CN212605147U CN212605147U CN202021255364.1U CN202021255364U CN212605147U CN 212605147 U CN212605147 U CN 212605147U CN 202021255364 U CN202021255364 U CN 202021255364U CN 212605147 U CN212605147 U CN 212605147U
- Authority
- CN
- China
- Prior art keywords
- side bearing
- upper side
- bearing body
- roller
- stop
- 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
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a big load railway freight car side bearing body assembly. The device comprises an upper side bearing and a lower side bearing, wherein the upper side bearing comprises an upper side bearing seat, an adjusting base plate, a stop and an upper side bearing body which are fixedly connected from top to bottom in sequence, and a roller arranged in a groove formed by the upper side bearing body and the stop; three groups of rollers are arranged in parallel; the lower side bearing comprises an upper lining plate, an elastomer and a lower lining plate which are sequentially connected from top to bottom through vulcanization, and two fixing pins are arranged on the bottom surface of the lower lining plate; the roller rolling surfaces of the upper side bearing are in rolling contact with the upper liner plate surface of the lower side bearing. The utility model gives full play to the overall structural strength of the bogie frame, adopts four-point side bearing to bear, evenly distributes load, does not produce unbalance loading, and greatly reduces the design difficulty of the structural strength of the bogie; the upper side bearing and the lower side bearing are in constant contact rolling friction structure, so that a suitable turning resistance moment can be provided, the linear running stability and the curve passing capacity of the vehicle are ensured, and the vertical loads of the vehicle body and large-tonnage cargos are jointly borne and transferred.
Description
Technical Field
The utility model belongs to the technical field of the vehicle is made, in particular to big load railway freight car side bearing body assembly design structure.
Background
The side bearing of the railway wagon is an important component part on the wagon, and the part is connected with a wagon body and a bogie and plays roles of transferring load, providing turning resistance moment and the like.
The traditional railway freight car three-axle bogie mainly adopts a structural form that a center plate is intensively loaded (a side bearing is not loaded) or a center plate part is loaded (the center plate and the side bearing are loaded together), for a special large and heavy freight car, the loading mode is limited by factors such as car coupler, height between a floor surface and a rail surface and the like, the design space of the center plate loading structure is very limited, the loading condition is very severe, the design difficulty is very high, and the application of the center plate loading structure on a large freight car is limited.
Disclosure of Invention
An object of the utility model is to the problem that above-mentioned exists, a big load railway freight car side bearing body assembly is provided. The utility model discloses make full use of bogie frame overall structure intensity with automobile body load average assignment on the side bearing, can effectively improve the whole atress condition of bogie, under limited design space, provides an effective solution that transmits vehicle load.
The utility model discloses a following technical scheme realizes:
side bearing body assembly of heavy load railway freight car, its characterized in that: the side bearing body assembly comprises an upper side bearing and a lower side bearing;
the upper side bearing comprises an upper side bearing seat, an adjusting base plate, a stop and an upper side bearing body which are fixedly connected from top to bottom in sequence, and a roller arranged in a groove formed by the upper side bearing body and the stop; three groups of rollers are arranged in parallel;
the lower side bearing comprises an upper lining plate, an elastomer and a lower lining plate which are sequentially connected from top to bottom through vulcanization, and two fixing pins are arranged on the bottom surface of the lower lining plate;
the rolling surfaces of the rollers of the upper side bearing are in rolling contact with the surface of the upper liner plate of the lower side bearing.
Go up side bearing seat, adjustment backing plate, end shelves and go up the side bearing body and pass through bolted connection fixed, the adjustment backing plate can be dismantled and go up the clearance between the welt in roller and the lower side bearing in the side bearing through change thickness adjustment. The stop, the roller and the roller shaft can be driven to move vertically in a limiting way by changing the thickness of the adjusting cushion plate, so that the gap between the lower end of the roller and the upper liner plate is changed and adjusted.
The roller is sleeved on the roller shaft, tangential surfaces are axially arranged at two ends of the roller shaft, the roller can be rotatably embedded into a groove formed by the upper side bearing body and the stop, and the tangential surfaces at the two ends of the roller shaft are matched with the lower plane of the stop in a limiting manner.
The upper side bearing seat is fixedly connected with the bottom surface of the car body sleeper beam in a welding mode.
The bottom surface of the lower liner plate is provided with two fixed pins which are connected with the bogie in a positioning way.
The side bearing body assembly sets up four groups on every group heavy load railway freight car bogie, and four group side bearing body assemblies are circumference symmetric distribution around bogie center of rotation and arrange.
Compared with the prior art, the utility model, following technological effect has:
1. the overall structural strength of the bogie frame is fully exerted, the center plate single-point bearing of the traditional railway wagon is converted into four-point side bearing, the load is uniformly distributed, and the design difficulty of the structural strength of the frame is greatly reduced.
2. The upper side bearing and the lower side bearing are in rolling friction, so that a proper turning resistance moment can be provided, and the straight line running stability and the curve passing capacity of the vehicle are ensured.
3. The upper side bearing and the lower side bearing are in normal contact structures and bear and transfer vertical loads of the vehicle body and large-tonnage cargos together.
4. The four groups of side bearing assemblies are distributed in a circle around the rotation center line of the bogie, so that the vehicle body can not be subjected to unbalance loading or the upper and lower side bearings are separated when the vehicle body generates rotary motion relative to the bogie.
5. The utility model discloses other body structural design that bears is simple, reasonable, improves the stability and the life of whole car assembly.
Drawings
Fig. 1 is a schematic bottom view of the side bearing assembly of the present invention.
Figure 2 is the utility model discloses side bearing assembly axial view.
Fig. 3 is a cross-sectional structure diagram of the upper side bearing of the present invention.
Fig. 4 is a schematic diagram of the structure of the upper side bearing in longitudinal section.
FIG. 5 is a schematic view of an upper side bearing stop.
FIG. 6 is a schematic view of the upper side bearing roller and roller shaft configuration.
Fig. 7 is a schematic view of the lower side bearing of the present invention.
Fig. 8 is a schematic view of the mounting position of the side bearing assembly of the present invention on the bogie.
The labels in the figure are: 1 is an upper side bearing, 2 is a lower side bearing, 1.1 is an upper side bearing seat, 1.2 is an adjusting shim plate, 1.3 is a stop, 1.4 is an upper side bearing body, 1.5 is a roller, 1.6 is a roller shaft, 2.1 is a lower lining plate, 2.2 is an elastic body, 2.3 is an upper lining plate, and 2.4 is a fixing pin.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
With reference to the attached drawings.
As shown in the figure, the side bearing body assembly of the heavy-duty railway wagon comprises an upper side bearing 1 and a lower side bearing 2.
The upper side bearing 1.1 is connected with the vehicle body, the adjusting backing plate 1.2, the stop 1.3 and the upper side bearing body 1.4 are sequentially and fixedly connected below the upper side bearing 1.1, the roller 1.5 penetrates through the roller shaft 1.6 and can rotate around the roller shaft, and the roller 1.5 is in rolling contact with the lower side bearing 2.
The end part of the roller shaft 1.6 is provided with an axial plane structure which is contacted with the stop 1.3 to limit the vertical upward movement of the roller 1.5, the stop 1.3 and the upper side bearing body 1.4 are both processed with grooves, and the roller 1.5 is arranged in the groove.
The adjusting shim plate 1.2 is connected with the upper side bearing seat 1.1 through bolts, and the gap between the roller 1.5 in the upper side bearing 1 and the upper liner plate 2.3 in the lower side bearing 2 is adjusted by changing the thickness of the adjusting shim plate 1.2.
Lower liner plate 2.1 is connected with the bogie, goes up liner plate 2.3, elastomer 2.2 fixed connection in proper order in lower liner plate 2.1 top, and fixed pin 2.4 sets up in lower liner plate 2.1 surface.
As shown in fig. 1 and 2, the upper side bearing 1 is composed of an upper side bearing seat 1.1, an adjusting shim plate 1.2, a stop 1.3, an upper side bearing body 1.4, a roller 1.5 and a roller shaft 1.6, and the lower side bearing 2 is composed of a lower lining plate 2.1, an elastic body 2.2, an upper lining plate 2.3 and a fixing pin 2.4.
As shown in figure 3, an upper side bearing 1.1 is connected with a vehicle body, an adjusting backing plate 1.2, a stop 1.3 and an upper side bearing body 1.4 are sequentially and fixedly connected below the upper side bearing 1.1, a roller 1.5 penetrates through a roller shaft 1.6 and can rotate around the roller shaft, the roller 1.5 is in rolling contact with a lower side bearing 2, the end part of the roller shaft 1.6 is of a cylindrical side plane structure and is in contact with the stop 1.3 to limit the vertical upward movement of the roller 1.5, the stop 1.3 and the upper side bearing body 1.4 are both provided with grooves, and the roller 1.5 is arranged in the grooves.
As shown in fig. 3, 4 and 5, three square grooves are arranged in the middle of the stop 1.3, the lower plane of each groove is higher than the bottom surface of the stop 1.3, and the cylindrical parts at the two ends of the roller shaft 1.6 are processed into planes, namely, axial tangent planes, and are in contact with the lower plane of the square hole of the stop 1.3, so that the upward movement of the roller shaft 1.6 and the roller 1.5 is limited.
The adjusting base plate 1.2 is connected with the upper side bearing 1.1 through bolts, the gap between a roller 1.5 in the upper side bearing 1 and an upper liner plate 2.3 in the lower side bearing 2 is adjusted by changing the thickness of the adjusting base plate 1.2, the end part of a roller shaft 1.6 is of a cylindrical side plane structure and is in contact with a stop 1.3 to limit the vertical upward movement of the roller 1.5, the stop 1.3 and an upper side bearing body 1.4 are both provided with grooves, and the roller 1.5 is arranged in the grooves.
As shown in fig. 4, the lower liner plate 2.1 is connected to the bogie, the upper liner plate 2.3 and the elastic body 2.2 are sequentially and fixedly connected above the lower liner plate 2.1, and the fixing pin 2.4 fixes the position of the lower liner plate 2.1.
The lower lining plate 2.1, the elastic body 2.2 and the upper lining plate 2.3 are connected into a whole through vulcanization.
The side bearing assembly of the utility model has larger vertical rigidity and enough bearing capacity, four groups of side bearings are distributed in a circle around the rotation center line of the bogie, and the vehicle body is ensured not to be unbalanced loaded or the upper side bearing 1 and the lower side bearing 2 are disengaged when the vehicle body generates rotary motion relative to the bogie; rolling friction is formed between the upper side bearing 1 and the lower side bearing 2, so that a proper turning resistance moment can be provided, and the linear running stability and the curve passing capacity of the vehicle are ensured.
The installation process is as follows: firstly, welding an upper side bearing 1.1 to a corresponding position of a car body sleeper beam, ensuring the bottom surface of the upper side bearing 1.1 to be horizontal, then sequentially horizontally placing an adjusting base plate 1.2 and a stop 1.3 on the bottom surface of the upper side bearing 1.1, penetrating a roller shaft 1.6 into the middle of the roller 1.5, placing the roller shaft into a groove of an upper side bearing body 1.4, matching the horizontal plane of a cylindrical part at the end part of the roller shaft 1.6 with the plane of the stop 1.3, and pressing the roller 1.5 into the groove of the stop 1.3; the lower liner plate 2.1, the upper liner plate 2.3 and the elastomer 2.2 are integrated through vulcanization, and then the lower side bearing 2 is installed at a corresponding position of the bogie by using a fixing pin 2.4.
Claims (6)
1. The utility model provides a big load railway freight car side bearing body assembly which characterized in that: the side bearing body assembly comprises an upper side bearing and a lower side bearing;
the upper side bearing comprises an upper side bearing seat, an adjusting base plate, a stop and an upper side bearing body which are fixedly connected from top to bottom in sequence, and a roller arranged in a groove formed by the upper side bearing body and the stop; three groups of rollers are arranged in parallel;
the lower side bearing comprises an upper lining plate, an elastomer and a lower lining plate which are sequentially connected from top to bottom through vulcanization, and two fixing pins are arranged on the bottom surface of the lower lining plate;
the rolling surfaces of the rollers of the upper side bearing are in rolling contact with the surface of the upper liner plate of the lower side bearing.
2. The heavy duty railway wagon side bearing body assembly of claim 1, wherein: the upper side bearing seat, the adjusting base plate, the stop and the upper side bearing body are fixedly connected through bolts, and the adjusting base plate can be detached and can adjust the gap between the roller in the upper side bearing and the upper lining plate in the lower side bearing by changing the thickness.
3. A heavy duty railway wagon side bearing body assembly as defined in claim 2, wherein: the roller is sleeved on the roller shaft, tangential surfaces are axially arranged at two ends of the roller shaft, the roller can be rotatably embedded into a groove formed by the upper side bearing body and the stop, and the tangential surfaces at the two ends of the roller shaft are matched with the lower plane of the stop in a limiting manner.
4. A heavy duty railway wagon side bearing body assembly as defined in claim 3, wherein: the upper side bearing seat is fixedly connected with the bottom surface of the car body sleeper beam in a welding mode.
5. A side bearing body assembly of a heavy duty railway wagon as defined in any one of claims 1 to 4, wherein: two fixing pins are arranged on the bottom surface of the lower lining plate and are connected with the bogie in a positioning mode.
6. A heavy duty railway wagon side bearing body assembly as defined in claim 5, wherein: four groups of side bearing body assemblies are arranged on each group of large-load railway wagon bogie, and the four groups of side bearing body assemblies are circumferentially and symmetrically distributed around the rotation center line of the bogie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021255364.1U CN212605147U (en) | 2020-07-01 | 2020-07-01 | Side bearing body assembly of large-load railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021255364.1U CN212605147U (en) | 2020-07-01 | 2020-07-01 | Side bearing body assembly of large-load railway wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212605147U true CN212605147U (en) | 2021-02-26 |
Family
ID=74756576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021255364.1U Active CN212605147U (en) | 2020-07-01 | 2020-07-01 | Side bearing body assembly of large-load railway wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212605147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670592A (en) * | 2022-03-25 | 2022-06-28 | 江苏徐工工程机械研究院有限公司 | Heavy-load side bearing mechanism of bogie of road-rail dual-purpose vehicle and bogie |
-
2020
- 2020-07-01 CN CN202021255364.1U patent/CN212605147U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670592A (en) * | 2022-03-25 | 2022-06-28 | 江苏徐工工程机械研究院有限公司 | Heavy-load side bearing mechanism of bogie of road-rail dual-purpose vehicle and bogie |
| CN114670592B (en) * | 2022-03-25 | 2023-05-05 | 江苏徐工工程机械研究院有限公司 | Heavy-duty road-railway dual-purpose vehicle bogie side bearing mechanism and bogie |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021238717A1 (en) | New railway wagon three-axle bogie with heavy axle load and full side bearing loading | |
| CN112519824B (en) | Bogie and rail vehicle | |
| CN212605147U (en) | Side bearing body assembly of large-load railway wagon | |
| CN111674417A (en) | Large-load flat car | |
| CN112519827B (en) | Bogie crossbeam, bogie and rail vehicle | |
| CN201512369U (en) | Bearing traction pin mechanism capable of carrying out rotation with multiple freedom degree | |
| CN111674419A (en) | Articulated bogie with embedded vibration and noise reduction device | |
| CN201132546Y (en) | Front sheering bridge for mining vehicle | |
| WO2020073420A1 (en) | Railway wagon bogie vibration damping device capable of providing composite vibration damping force | |
| CN111661092A (en) | Side bearing body assembly of large-load railway wagon | |
| CN108945122B (en) | Multifunctional heavy-load transport vehicle | |
| CN212605151U (en) | Novel large-axle-weight railway freight car three-axle bogie borne by full side bearing | |
| CN102135134B (en) | Automobile hub bearing unit | |
| WO2022127133A1 (en) | Railway wagon bogie using disc brake | |
| CN108674443B (en) | Ground supporting vertical bearing device suitable for variable gauge bogie | |
| CN87200229U (en) | Fork lift trunk door-frame | |
| CN112519819A (en) | Bogie and rail vehicle | |
| CN112061154A (en) | Vehicle bogie fault rescue bearing trolley | |
| CN213501685U (en) | Quick replacing connector for mining vehicle | |
| CN215783807U (en) | Multi-roller bearing crawler type supporting device of ball mill | |
| CN221216899U (en) | Sliding trolley mechanism | |
| CN213138786U (en) | Side bearing structure of rail type tour and sightseeing train | |
| CN218931387U (en) | Knapsack ladder gyro wheel guide shoe | |
| CN114802325B (en) | Chassis assembly and vehicle body comprising same | |
| CN220227553U (en) | Take seat bearing installation component and handrail drive support frame subassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |