CN106994981B - Central suspension device and railway wagon bogie - Google Patents
Central suspension device and railway wagon bogie Download PDFInfo
- Publication number
- CN106994981B CN106994981B CN201710356728.1A CN201710356728A CN106994981B CN 106994981 B CN106994981 B CN 106994981B CN 201710356728 A CN201710356728 A CN 201710356728A CN 106994981 B CN106994981 B CN 106994981B
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- CN
- China
- Prior art keywords
- spring
- rubber
- auxiliary
- damping
- swing bolster
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/08—Bolster supports or mountings incorporating rubber springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/12—Bolster supports or mountings incorporating dampers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses a central suspension device and a railway wagon bogie, which comprises: rubber spring assembly and friction type shock absorber, rubber spring assembly includes main spring, auxiliary spring and damping spring, the bottom plate has been put to main spring below, be provided with the several bracket on the bottom plate, auxiliary spring and damping spring set up respectively on the bracket, friction type shock absorber is located damping spring's top, main spring, auxiliary spring and damping spring include alternately stacked metal level and rubber layer respectively, be provided with the first locating pin that extends to the top in the main spring, be provided with the second locating pin that extends to the below in auxiliary spring and the damping spring. Through the mode, the central suspension device and the railway wagon bogie provided by the invention have the advantages that the main springs, the auxiliary springs and the damping springs are in modularized structures, different parameter combinations can be obtained, the convenience in mounting and dismounting is good, the structure is compact, the reliability is high, and the transverse rigidity is reduced.
Description
Technical Field
The invention relates to the field of railway wagon steering frames, in particular to a central suspension device and a railway wagon steering frame.
Background
The suspension device is one of the key components of railway vehicle bogies, and the performance and reliability of the suspension device are directly related to the running performance and safety of the vehicle system.
Railway wagon bogies require simple structure and convenient maintenance, so a central suspension device is generally adopted, and the central suspension device is generally composed of a plurality of groups of spiral steel springs and wedge dampers and is generally positioned at a central frame of a side frame, and has the following defects:
the method has the following defects: the spring is limited by space, materials, design parameters of the spring and other factors, so that the design difficulty is high;
and the second disadvantage is that: each bogie is provided with a plurality of groups of springs, so that the assembly and the disassembly are inconvenient;
and the third disadvantage is: the actual product parameters are difficult to ensure, and the selection and matching are needed in the assembly process, so that the production cost is increased;
fourth disadvantage: the breaking condition exists in the using process, so that the driving safety is threatened;
fifth disadvantage is: the transverse rigidity of the whole spring group is larger, and the running performance of the vehicle is reduced.
Disclosure of Invention
The invention mainly solves the technical problem of providing a central suspension device and a railway wagon bogie, which have the advantages of compact structure, reliability improvement, transverse rigidity reduction and convenience in loading and unloading.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a central suspension device comprising: rubber spring assembly and friction type shock absorber, rubber spring assembly includes main spring, auxiliary spring and damping spring, the bottom plate has been put to main spring below, be provided with the several bracket on the bottom plate, auxiliary spring and damping spring set up respectively on the bracket, friction type shock absorber is located damping spring's top, main spring, auxiliary spring and damping spring include alternately stacked metal level and rubber layer respectively, be provided with the first locating pin that extends to the top in the main spring, be provided with the second locating pin that extends to the below in auxiliary spring and the damping spring.
In a preferred embodiment of the invention, the main spring is located in the middle of the rubber spring assembly.
In a preferred embodiment of the invention, the secondary spring is higher than the primary spring.
In a preferred embodiment of the present invention, the friction damper is a wedge damper.
In a preferred embodiment of the invention, the damping spring is higher than the secondary spring.
In a preferred embodiment of the invention, the bracket is provided with a bracket at the bottom.
In a preferred embodiment of the present invention, the bracket is provided with a first positioning hole corresponding to the second positioning pin.
In order to solve the technical problems, the invention adopts another technical scheme that: the utility model provides a railway freight car bogie, includes the side bearer at central linkage, bolster and bolster both ends, be provided with central square frame in the side bearer, central linkage sets up respectively in central square frame, the bolster both ends extend to the central linkage top that corresponds respectively, be provided with the second locating hole that corresponds with first locating pin on the bolster, the bolster both sides are provided with the elasticity backstop that corresponds with the side bearer, the bolster tip is provided with the slot that corresponds with friction type shock absorber.
In a preferred embodiment of the present invention, the elastic stop includes a top plate, a rubber body, a fixing plate and a screw, the rubber body is disposed on the front surface of the fixing plate, the top plate is disposed at the front end of the rubber body, the screw is disposed on the back surface of the fixing plate, and stop seats corresponding to the screw are disposed on two sides of the swing bolster.
In a preferred embodiment of the present invention, side frame column wear plates corresponding to friction dampers are respectively disposed on both sides of the central frame.
The beneficial effects of the invention are as follows: the main spring, the auxiliary spring and the damping spring are composed of the metal layers and the rubber layers which are overlapped in a crossing mode, the modularized structure is adopted, the height adjustment in site construction is convenient, different parameter combinations can be obtained, the integrated structure is composed of the bottom plate and the bracket, the convenience in mounting and dismounting is good, the structure is compact, the reliability is high, the transverse rigidity is reduced, and the running stability of a vehicle is further improved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a central suspension device according to a preferred embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a schematic view of the secondary spring of FIG. 1;
FIG. 5 is a schematic view of the construction of a preferred embodiment of a railway truck steer carriage of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic end view of the bolster of FIG. 6;
fig. 8 is a schematic view of the structure of the elastic stopper in fig. 6.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 8, an embodiment of the present invention includes:
a railway wagon steering frame comprises a central suspension device, a swing bolster 13 and side frames 14 at two ends of the swing bolster 13, wherein a central square frame 19 is arranged in the side frames 14, the central suspension device is respectively arranged in the central square frame 19, and positioning is performed by using positioning grooves or flanges at the bottom of the central square frame 19.
The center suspension device includes: rubber spring assembly and friction type shock absorber 6, rubber spring assembly includes main spring 7, auxiliary spring 3 and damping spring 5, bottom plate 8 has been put to main spring 7 below, be provided with 6 brackets 2 on the bottom plate 8, main spring 7 is located rubber spring assembly's middle part, and 6 brackets 2 divide two rows to set up in main spring 7 both sides, and 2 damping spring 5 and 4 auxiliary spring 3 set up respectively on bracket 2, and damping spring 5 is located between 2 auxiliary springs 3 respectively, friction type shock absorber 6 is located damping spring 5's top, and is even respectively, and the symmetry is good.
The main spring 7, the auxiliary spring 3 and the damping spring 5 respectively comprise a metal layer 11 and a rubber layer 12 which are alternately laminated, the structure is modularized, the height adjustment in site construction is convenient, different parameter combinations can be obtained, and the integrated structure is formed by the bottom plate 8 and the bracket 2, and the structure is compact and convenient to install and detach. The bottom of the bracket 2 is provided with a bracket 1, the central suspension device is heavy, and the bracket 1 is convenient for lifting or forking the central suspension device.
The main spring 7 is internally provided with a first locating pin 4 extending to the upper part, the auxiliary spring 3 and the damping spring 5 are internally provided with a second locating pin 10 extending to the lower part, the bracket 2 is provided with a first locating hole 9 corresponding to the second locating pin 10, the locating is quick, the installation is convenient, and the first locating pin 4 and the second locating pin 10 promote the structural stability of the metal layer 11 and the rubber layer 12.
The two ends of the swing bolster 13 extend to the upper parts of the corresponding central suspension devices respectively, the swing bolster 13 is provided with a second positioning hole 16 corresponding to the first positioning pin 4, positioning of the swing bolster 13 and the central suspension devices is achieved, the two sides of the swing bolster 13 are provided with elastic stops 15 corresponding to the side frames 14, the end parts of the swing bolster 13 are provided with slots 18 corresponding to the friction type vibration dampers 6, and the friction type vibration dampers 6 are fixed with the swing bolster 13 through bolts.
The auxiliary spring 3 is higher than the main spring 7, and the damping spring 5 is higher than the auxiliary spring 3. The load of the empty car is borne by the auxiliary spring 3, the main spring 7 is not contacted with the swing bolster 13, so that larger deflection of the empty car spring can be obtained, the running performance of the empty car is improved, at the moment, the vibration reduction spring 5 is higher than the auxiliary spring 3, a certain pre-pressing amount exists, the vibration reduction spring 5 exists independently, the vibration reduction spring is compressed along with compression of the auxiliary spring 3, a certain supporting force is provided for the friction type vibration damper 6, the friction type vibration damper 6 is a wedge type vibration damper, and side frame upright post abrasion plates corresponding to the friction type vibration damper 6 are respectively arranged on two sides of the central square frame 19. Under the combined action of the damping springs 5, the inclined wedge dampers and the side frame column wearing plates, enough friction damping force is provided for the vehicle, and the vibration of the vehicle is reduced;
when the goods are transported, the whole rubber spring assembly bears the load of the vehicle due to the large load, so that the bearing capacity of the rubber spring assembly is ensured; at this time, since the damping springs 5 exist independently, the damping springs are compressed along with the compression of the main springs 7 and the auxiliary springs 3, a large supporting force is provided for the inclined wedge damper, and under the combined action of the damping springs 5, the inclined wedge damper and the side frame column wearing plates, a sufficient friction damping force is provided for the vehicle, and rubber has a good vibration isolation performance, so that the vertical performance of the vehicle is effectively improved. Because the whole spring group is a rubber spring, the transverse rigidity is smaller, the vibration coupling between the vehicle body and the bogie is better decoupled, the running stability and the stability of the vehicle are further improved, and the acting force of the wheel track is reduced.
The elastic stop 15 comprises a top plate 23, a rubber body 22, a fixing plate 21 and a screw rod 20, wherein the rubber body 22 is arranged on the front surface of the fixing plate 21, the top plate 23 is arranged at the front end of the rubber body 22, the screw rod 20 is arranged on the back surface of the fixing plate 21, and stop seats 17 corresponding to the screw rod 20 are arranged on two sides of the swing bolster 13. The elastic stop 15 arranged between the swing bolster 13 and the side frame 14 can softly limit the excessive transverse relative displacement between the swing bolster 13 and the side frame 14, so that the running safety of the vehicle is improved.
In summary, the central suspension device and the railway wagon bogie disclosed by the invention have the advantages of fewer spring design limiting conditions, simpler design, high manufacturing precision, higher approaching degree of objects to design intention, convenience in parameter control, convenience in parameter matching for different vehicles by adopting modularized design, convenience in assembly and disassembly, compact structure, effective utilization of space, small size limitation, capability of obtaining smaller transverse rigidity, capability of improving vehicle running performance, no breakage in the use process and higher reliability.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (8)
1. A center suspension device comprising: rubber spring assembly and friction type shock absorber, rubber spring assembly includes main spring, auxiliary spring and damping spring, the bottom plate has been put to main spring below, be provided with the several bracket on the bottom plate, auxiliary spring and damping spring set up respectively on the bracket, friction type shock absorber is located damping spring's top, main spring, auxiliary spring and damping spring include alternately stacked metal level and rubber layer respectively, be provided with the first locating pin that extends to the top in the main spring, be provided with the second locating pin that extends to the below in auxiliary spring and the damping spring, auxiliary spring is higher than main spring, damping spring is higher than auxiliary spring.
2. The center suspension of claim 1 wherein the main spring is located in the middle of the rubber spring assembly.
3. The central suspension device of claim 1, wherein the friction damper is a wedge damper.
4. The center suspension of claim 1, wherein the bracket bottom is provided with brackets.
5. The center suspension of claim 1, wherein the bracket has a first locating hole corresponding to the second locating pin.
6. A railway wagon bogie comprising a central suspension arrangement according to any one of claims 1 to 5, further comprising: the swing bolster is characterized by comprising a swing bolster and side frames at two ends of the swing bolster, wherein a central square frame is arranged in the side frames, central suspension devices are respectively arranged in the central square frames, the two ends of the swing bolster extend to the positions above the corresponding central suspension devices respectively, second positioning holes corresponding to the first positioning pins are formed in the swing bolster, elastic stopping blocks corresponding to the side frames are arranged at two sides of the swing bolster, and inserting grooves corresponding to friction type vibration absorbers are formed in the end portions of the swing bolster.
7. The railway wagon bogie according to claim 6, wherein the elastic stopper comprises a top plate, a rubber body, a fixing plate and a screw rod, the rubber body is arranged on the front surface of the fixing plate, the top plate is arranged at the front end of the rubber body, the screw rod is arranged on the back surface of the fixing plate, and stopper seats corresponding to the screw rod are arranged on two sides of the swing bolster.
8. The railway wagon bogie of claim 6, wherein the central frame is provided with side frame column wear plates on each side thereof corresponding to friction dampers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356728.1A CN106994981B (en) | 2017-05-19 | 2017-05-19 | Central suspension device and railway wagon bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356728.1A CN106994981B (en) | 2017-05-19 | 2017-05-19 | Central suspension device and railway wagon bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106994981A CN106994981A (en) | 2017-08-01 |
| CN106994981B true CN106994981B (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710356728.1A Active CN106994981B (en) | 2017-05-19 | 2017-05-19 | Central suspension device and railway wagon bogie |
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| Country | Link |
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| CN (1) | CN106994981B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10597049B2 (en) * | 2017-10-03 | 2020-03-24 | Amsted Rail Company, Inc. | Railway truck with elastomeric suspension |
| CN109435983B (en) * | 2018-11-27 | 2023-09-15 | 江苏瑞铁轨道装备股份有限公司 | Suspension type truck system |
| CN109465624A (en) * | 2018-12-25 | 2019-03-15 | 成都岁生科技有限责任公司 | A kind of steering dismantling equipment and bogie disassembling method |
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| CN106494445A (en) * | 2016-11-10 | 2017-03-15 | 青岛思锐科技有限公司 | Secondary spring component |
| CN206938767U (en) * | 2017-05-19 | 2018-01-30 | 江苏瑞铁轨道装备股份有限公司 | A kind of central mounting device and railway goods train bogie |
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| US1924237A (en) * | 1929-07-10 | 1933-08-29 | Glascodine Richard Thomson | Bogie truck for railway and like vehicles |
| CN2282519Y (en) * | 1996-07-27 | 1998-05-27 | 株洲时代橡塑实业有限责任公司 | Rubber metal laminated spring |
| EP0927673A1 (en) * | 1997-12-29 | 1999-07-07 | AMSTED Industries Incorporated | Friction shoe for freight car bogie |
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| CN103661464A (en) * | 2013-12-05 | 2014-03-26 | 南车眉山车辆有限公司 | Rapid freight car radial bogie |
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| CN105416330A (en) * | 2014-09-02 | 2016-03-23 | 阿母斯替德铁路公司 | Railway car truck with friction damping |
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|---|---|
| CN106994981A (en) | 2017-08-01 |
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