CN202987176U - Side bearing for railway freight car - Google Patents
Side bearing for railway freight car Download PDFInfo
- Publication number
- CN202987176U CN202987176U CN 201220667094 CN201220667094U CN202987176U CN 202987176 U CN202987176 U CN 202987176U CN 201220667094 CN201220667094 CN 201220667094 CN 201220667094 U CN201220667094 U CN 201220667094U CN 202987176 U CN202987176 U CN 202987176U
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- Prior art keywords
- side bearing
- groove
- roller shaft
- cover plate
- rectangle
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- Withdrawn - After Issue
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Abstract
The utility model relates to a side bearing for a railway freight car, which is characterized by comprising a first side bearing and a second side bearing obliquely and symmetrically arranged on two side beams of a railway freight car steering frame, wherein the first side bearing comprises a side bearing body, a roller shaft and rollers; the second side bearing comprises the side bearing body, a side bearing cover plate and a wear plate; the side bearing body comprises a supporting table, a bearing table and two groups of elastic connecting pieces, wherein the supporting table comprises a bottom plate; a supporting block with one trapezoidal longitudinal section is fixedly arranged at the top of the bottom plate and is corresponding to a cylindrical bulge positioning table at the tops of the side beams; a circular through hole penetrating through the bottoms of the bottom plate and the supporting block is formed at the bottom of the supporting table; the bearing table is provided with a rectangular big through hole, a plurality of pairs of clamping grooves for the roller shaft to be placed in are formed at the tops of the front end surface and the rear end surface of the bearing table, and each pair of clamping grooves comprises a rectangular clamping groove and a semicircular clamping groove; the bearing table is arranged at the top of the supporting block; and the end surfaces of the left side and the right side of the supporting block are respectively connected with the end surface of the inner side of the bearing table through the two groups of elastic connecting pieces. The side bearing can be widely applied to railway vehicles.
Description
Technical field
The utility model relates to a kind of railway goods train bogie full side bearing bearing framing member, and is particularly a kind of about the railway truck side bearing.
Background technology
The bearing mode of roller bearing adapter stabilizer bar has the common carrying of cartridge carrying, cartridge and side bearing and full side bearing bearing etc. at present.Along with the raising of rolling stock running velocity, bearing mode also progressively by cartridge carrying to cartridge and side bearing jointly carry, the full side bearing bearing mode develops.For the railway truck that empty, loaded vehicle load differ greatly, particularly adopt full side bearing bearing high speed railway lorry, even the revolution resisting moment can meet the demands under complete vehicle curb condition, but under the loaded vehicle state, because the steering resistance square sharply increases, curving performance will worsen, and affects railway truck and normally uses.Therefore, when railway truck adopts full side bearing structure, to side bearing structure be optimized to adapt to and satisfy sky, the loaded vehicle performance requriements is essential.
Summary of the invention
For the problems referred to above, the purpose of this utility model be to provide a kind of can satisfy according to empty, loaded vehicle state automatically adjust, and be applicable to the railway truck side bearing that the high speed railway lorry adopts the full side bearing bearing structural requirement.
for achieving the above object, the utility model is taked following technical scheme: a kind of railway truck side bearing, it is characterized in that: it comprises that skew symmetry is arranged on the first side bearing and the second side bearing on railway goods train bogie two curb girders, described the first side bearing comprises side bearing body and roller, described roller is placed on described side bearing body top by a Roller Shaft, described the second side bearing comprises side bearing body, side bearing cover plate and wearing plate, described wearing plate is placed on described side bearing cover plate top, and described side bearing cover plate is plugged in described side bearing body top, described side bearing body comprises a brace table, one plummer and two groups of Flexible Connectors, described brace table comprises a base plate, described base plate top is fixedly installed a vertical section and is trapezoidal back-up block, corresponding with the cylindrical protrusions positioning table at described curb girder top, described brace table bottom arranges a manhole that runs through described base plate and back-up block bottom, described plummer arranges a rectangle large through-hole, before described plummer, rear both ends of the surface top is provided with places the some to draw-in groove of described Roller Shaft, every a pair of described draw-in groove comprises a rectangle draw-in groove and half circular draw-in groove, described plummer is arranged on described back-up block top, the left side of described back-up block, right both sides end face is connected with described plummer inner side end by one group of described Flexible Connector respectively.
The described Flexible Connector of each group is formed by connecting by some layers of rubber layer and several baffle intervals.
One end of described Roller Shaft is rectangular configuration, the two ends of described rectangular configuration vertically arrange respectively one for described Roller Shaft being carried out the flange of located lateral, described lip diameter is greater than the diameter of described roller, described roller sleeve is located on described Roller Shaft, the rectangular configuration of described Roller Shaft one end is placed in described rectangle draw-in groove, and the other end is placed in described semicircle draw-in groove.
The rectangle large through-hole of corresponding described plummer, the bottom surrounding of described side bearing cover plate is provided with a projection contiguous block, and the top of described side bearing cover plate arranges a rectangle big groove, described rectangle big groove center arranges a cylindrical boss, the bottom centre of described side bearing cover plate arranges a cylindrical projections limiting stopper, and described wearing plate center arranges a manhole; The projection contiguous block of described side bearing cover plate is plugged in described rectangle big groove, and the manhole of described wearing plate passes cylindrical boss and described rectangle big groove interference fit.
Four jiaos, the described side bearing cover plate top breach that is respectively arranged with the described rectangle big groove of connection.
One trapezoidal hole that runs through forward and backward both ends of the surface is set on described back-up block.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model comprises that skew symmetry is arranged on the first side bearing and the second side bearing on railway goods train bogie two curb girders, the first side bearing comprises side bearing body, Roller Shaft and roller, the second side bearing comprises side bearing body, side bearing cover plate and wearing plate, vertical stiffness during loaded vehicle approximately doubles during than empty wagons, under complete vehicle curb condition, the upper plane of wearing plate is higher than the upper plane of roller, the second side bearing is carried car body, and friction pair is cliding friction; Under the loaded vehicle state, the first side bearing and the second side bearing body carry car body jointly, friction pair is the combination of cliding friction and friction of rolling, friction force between car body and bogie truck is for becoming friction coefficient, therefore the utility model can make the steering resistance square of car body and bogie truck automatically adjust according to empty, loaded vehicle state, and particularly loaded vehicle steering resistance square can remain on a suitable level.2, plummer of the present utility model top is provided with some to being used for placing the draw-in groove of Roller Shaft, every a pair of draw-in groove comprises a rectangle draw-in groove and half circular draw-in groove, and an end of Roller Shaft is provided with rectangular configuration, the both sides of rectangular configuration are provided with flange, therefore can prevent effectively that Roller Shaft from rotating and translation, the support vehicles safe in operation.3, the utility model connects plummer and brace table by two groups of Flexible Connectors, and Flexible Connector only is arranged in vertical (vehicle operating direction) gap of brace table and plummer, therefore railway truck acquisition lateral stiffness is less, longitudinal rigidity is very large, vertical stiffness is moderate, can finely be applicable to the high speed railway lorry and adopt the full side bearing bearing structural requirement.4, the side bearing cover plate bottom centre of the second side bearing of the present utility model is provided with the cylindrical projections limiting stopper, limit by the brace table top longitudinal travel to the cylindrical projections limiting stopper, therefore can guarantee that excessive longitudinal travel does not occur rolling stock, prevent that Flexible Connector from deforming.Therefore the utility model can be widely used in rolling stock.
Description of drawings
Fig. 1 is the structural representation of the first side bearing of the present utility model;
Fig. 2 is the structural representation of the second side bearing of the present utility model;
Fig. 3 is the schematic top plan view of the first side bearing of the present utility model;
Fig. 4 is the schematic top plan view of the second side bearing of the present utility model;
Fig. 5 is side bearing body structure schematic diagram of the present utility model;
Fig. 6 is that schematic diagram is looked on a side bearing body of the present utility model left side;
Fig. 7 is side bearing body schematic top plan view of the present utility model;
Fig. 8 is perspective view of the present utility model;
Fig. 9 is Roller Shaft structural representation of the present utility model;
Figure 10 is that schematic diagram is looked on a Roller Shaft of the present utility model left side;
Figure 11 is the use shape body schematic diagram of side bearing of the present utility model on the curb girder of bogie truck.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Fig. 1～4, the utility model comprises that skew symmetry is arranged on the first side bearing and the second side bearing on the curb girder of railway goods train bogie two ends, and the first side bearing comprises side bearing body 1, Roller Shaft 2 and roller 3, and roller 3 is placed on side bearing body 1 top by Roller Shaft 2; The second side bearing comprises side bearing body 1, side bearing cover plate 4 and wearing plate 5, and wearing plate 5 is placed on side bearing cover plate 4 tops, and side bearing cover plate 4 is plugged in side bearing body 1 top.
As shown in Fig. 5～8, side bearing body 1 comprises a brace table 11, a plummer 12 and two groups of Flexible Connectors 13; Brace table 11 is one-body molded, comprise that square base plate 111 and a vertical section is trapezoidal back-up block 112, back-up block 112 is fixedly installed on base plate 111 tops, in order to alleviate the weight of brace table integral body, one trapezoidal hole 113 that runs through forward and backward both ends of the surface is set on back-up block 112, for corresponding with the cylindrical protrusions positioning table at two curb girders middle parts of railway goods train bogie, a manhole 114 that runs through base plate 111 and back-up block 112 bottoms is set on brace table 11 bottoms.Plummer 12 is a square rectangular block, the interior rectangle large through-hole 121 that arranges of plummer 12, the forward and backward both ends of the surface top of plummer 12 is provided with places the some to draw-in groove 122 of Roller Shaft 2, and every a pair of draw-in groove 122 comprises rectangle draw-in groove 1221 and half circular draw-in groove 1222.Each group Flexible Connector 13 is comprised of some layers of rubber layer 131 and several dividing plates 132 intervals, namely between every adjacent two layers rubber layer 131, dividing plate 132 is set.Plummer 12 is arranged on brace table 11 tops, and the left and right both ends of the surface of back-up block 112 connect with the inboard relative both ends of the surface of plummer 12 by one group of Flexible Connector 13 respectively, and namely Flexible Connector 13 is arranged in vertical (vehicle operating direction) gap of brace table 11 and plummer 12.
As Fig. 9, shown in Figure 10, in above-described embodiment, a side of Roller Shaft 2 is rectangular configuration 21, and the two ends of rectangular configuration 21 vertically arrange respectively one for Roller Shaft 2 being carried out the flange 22 of located lateral, and flange 22 diameters are greater than the diameter of roller 3; During use, roller 3 is set on Roller Shaft 2, and the rectangular configuration 21 of Roller Shaft 2 one ends is placed in rectangle draw-in groove 1221, and Roller Shaft 2 other ends are placed in semicircle draw-in groove 1222.
As Fig. 2, shown in Figure 4, in the various embodiments described above, the rectangle large through-hole 121 of corresponding plummer 12, side bearing cover plate 4 is square, projection contiguous block 41 is established in the bottom surrounding setting of side bearing cover plate 4, and the top of side bearing cover plate 4 is provided with a rectangle big groove 42, and rectangle big groove 42 centers arrange a cylindrical boss 43, the bottom centre of side bearing cover plate 4 arranges a cylindrical projections limiting stopper 44, and wearing plate 5 centers arrange a manhole 51; During use, the projection contiguous block 41 of side bearing cover plate 4 is plugged in rectangle big groove 42, and the manhole of wearing plate 5 passes cylindrical boss 43 and rectangle big groove 42 interference fit.In order to facilitate picking and placeing conveniently of wearing plate 5, four jiaos, side bearing cover plate 5 top is communicated with the rectangle big groove and is provided with breach 45.
As shown in figure 11, when the utility model uses, two the first side bearings and two the second side bearing skew symmetries are placed on the curb girder 6 of railway goods train bogie, under complete vehicle curb condition, the top of the wearing plate 5 of two the second side bearings is higher than the upper plane of the roller 3 of the first side bearing, therefore only the side bearing wear plate at the bottom of wearing plate 5 and railway truck car contacts, and friction pair is cliding friction, and two the second side bearings are carried railway truck; Under the loaded vehicle state, two the first side bearings and two the second side bearings are carried railway truck jointly, roller 3 and wearing plate 5 contacts with side bearing wear plate at the bottom of the car of railway truck simultaneously, friction pair is the combination of cliding friction and friction of rolling, thereby make the steering resistance square between lorry body and bogie truck remain on a suitable level, adapt to the railway truck high-speed motion.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts and connection mode etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement all should not got rid of outside protection domain of the present utility model.
Claims (10)
1. railway truck side bearing, it is characterized in that: it comprises that skew symmetry is arranged on the first side bearing and the second side bearing on railway goods train bogie two curb girders, described the first side bearing comprises side bearing body and roller, described roller is placed on described side bearing body top by a Roller Shaft, described the second side bearing comprises side bearing body, side bearing cover plate and wearing plate, described wearing plate is placed on described side bearing cover plate top, and described side bearing cover plate is plugged in described side bearing body top, described side bearing body comprises a brace table, one plummer and two groups of Flexible Connectors, described brace table comprises a base plate, described base plate top is fixedly installed a vertical section and is trapezoidal back-up block, corresponding with the cylindrical protrusions positioning table at described curb girder top, described brace table bottom arranges a manhole that runs through described base plate and back-up block bottom, described plummer arranges a rectangle large through-hole, before described plummer, rear both ends of the surface top is provided with places the some to draw-in groove of described Roller Shaft, every a pair of described draw-in groove comprises a rectangle draw-in groove and half circular draw-in groove, described plummer is arranged on described back-up block top, the left side of described back-up block, right both sides end face is connected with described plummer inner side end by one group of described Flexible Connector respectively.
2. a kind of railway truck side bearing as claimed in claim 1 is characterized in that: the described Flexible Connector of each group is formed by connecting by some layers of rubber layer and several baffle intervals.
3. a kind of railway truck side bearing as claimed in claim 1, it is characterized in that: an end of described Roller Shaft is rectangular configuration, the two ends of described rectangular configuration vertically arrange respectively one for described Roller Shaft being carried out the flange of located lateral, described lip diameter is greater than the diameter of described roller, described roller sleeve is located on described Roller Shaft, the rectangular configuration of described Roller Shaft one end is placed in described rectangle draw-in groove, and the other end is placed in described semicircle draw-in groove.
4. a kind of railway truck side bearing as claimed in claim 2, it is characterized in that: an end of described Roller Shaft is rectangular configuration, the two ends of described rectangular configuration vertically arrange respectively one for described Roller Shaft being carried out the flange of located lateral, described lip diameter is greater than the diameter of described roller, described roller sleeve is located on described Roller Shaft, the rectangular configuration of described Roller Shaft one end is placed in described rectangle draw-in groove, and the other end is placed in described semicircle draw-in groove.
5. as claimed in claim 1 or 2 or 3 or 4 a kind of railway truck side bearing, it is characterized in that: the rectangle large through-hole of corresponding described plummer, the bottom surrounding of described side bearing cover plate is provided with a projection contiguous block, and the top of described side bearing cover plate arranges a rectangle big groove, described rectangle big groove center arranges a cylindrical boss, the bottom centre of described side bearing cover plate arranges a cylindrical projections limiting stopper, and described wearing plate center arranges a manhole; The projection contiguous block of described side bearing cover plate is plugged in described rectangle big groove, and the manhole of described wearing plate passes cylindrical boss and described rectangle big groove interference fit.
6. as claimed in claim 1 or 2 or 3 or 4 a kind of railway truck side bearing is characterized in that: four jiaos, described side bearing cover plate top is respectively arranged with the breach that is communicated with described rectangle big groove.
7. a kind of railway truck side bearing as claimed in claim 5 is characterized in that: four jiaos, described side bearing cover plate top is respectively arranged with the breach that is communicated with described rectangle big groove.
8. as claim 1 or 2 or 3 or 4 or 7 described a kind of railway truck side bearings, it is characterized in that: a trapezoidal hole that runs through forward and backward both ends of the surface is set on described back-up block.
9. a kind of railway truck side bearing as claimed in claim 5 is characterized in that: a trapezoidal hole that runs through forward and backward both ends of the surface is set on described back-up block.
10. a kind of railway truck side bearing as claimed in claim 6 is characterized in that: a trapezoidal hole that runs through forward and backward both ends of the surface is set on described back-up block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220667094 CN202987176U (en) | 2012-12-06 | 2012-12-06 | Side bearing for railway freight car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220667094 CN202987176U (en) | 2012-12-06 | 2012-12-06 | Side bearing for railway freight car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202987176U true CN202987176U (en) | 2013-06-12 |
Family
ID=48558382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220667094 Withdrawn - After Issue CN202987176U (en) | 2012-12-06 | 2012-12-06 | Side bearing for railway freight car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202987176U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963383A (en) * | 2012-12-06 | 2013-03-13 | 南车二七车辆有限公司 | Side bearing for rail wagon |
| WO2015172187A1 (en) * | 2014-05-15 | 2015-11-19 | Ross Equipment Australia | Elastomeric element for a side bearing |
| CN111661092A (en) * | 2020-07-01 | 2020-09-15 | 中车眉山车辆有限公司 | Side bearing body assembly of large-load railway wagon |
| 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 |
-
2012
- 2012-12-06 CN CN 201220667094 patent/CN202987176U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963383A (en) * | 2012-12-06 | 2013-03-13 | 南车二七车辆有限公司 | Side bearing for rail wagon |
| CN102963383B (en) * | 2012-12-06 | 2015-08-12 | 南车二七车辆有限公司 | A kind of railway truck side bearing |
| WO2015172187A1 (en) * | 2014-05-15 | 2015-11-19 | Ross Equipment Australia | Elastomeric element for a side bearing |
| CN111661092A (en) * | 2020-07-01 | 2020-09-15 | 中车眉山车辆有限公司 | Side bearing body assembly of large-load railway wagon |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Longxuan Rubber Co., Ltd. Assignor: South Locomotive Erqi Vehicle Co., Ltd. Contract record no.: 2014990000054 Denomination of utility model: Side bearing for rail wagon Granted publication date: 20130612 License type: Exclusive License Record date: 20140127 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20150812 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |