CN110949437A - Rolling friction type core disc device of rail sightseeing train and rail sightseeing train - Google Patents
Rolling friction type core disc device of rail sightseeing train and rail sightseeing train Download PDFInfo
- Publication number
- CN110949437A CN110949437A CN201911346614.4A CN201911346614A CN110949437A CN 110949437 A CN110949437 A CN 110949437A CN 201911346614 A CN201911346614 A CN 201911346614A CN 110949437 A CN110949437 A CN 110949437A
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- Prior art keywords
- core disc
- disc
- circular
- groove
- core
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Classifications
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- 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
- B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
-
- 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
- B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
- B61F5/18—King-bolts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a rolling friction type core disc device of a rail sightseeing train and the rail sightseeing train, wherein the core disc device comprises a core disc pin, and a sleeper beam, a lower core disc seat, a lower core disc, a rolling body, an upper core disc and an upper core disc seat which are sequentially stacked, the lower core disc seat is welded on the sleeper beam, the lower core disc is fixedly connected with the lower core disc seat through a bolt, the upper core disc is fixedly connected with the upper core disc seat through a bolt, the core disc pin sequentially penetrates through the central positions of the upper core disc and the lower core disc from top to bottom, the lower end of the core disc pin is provided with a nut, the rolling body is clamped between the upper core disc and the lower core disc, and the upper core disc and the lower core disc can rotate relatively around the core disc pin. The core disc device is simple and reliable in structure and flexible in rotation, the rolling bodies are arranged between the lower core disc and the upper core disc, and the upper core disc and the lower core disc rotate relatively through the rolling bodies, so that the friction force during relative rotation is effectively reduced, and the service lives of the friction piece, the upper core disc and the lower core disc are prolonged.
Description
Technical Field
The invention relates to the technical field of a rail sightseeing train, in particular to a rolling friction type core disc device of the rail sightseeing train and the rail sightseeing train.
Background
With the rapid development of economy in China, the tourism industry has also developed tremendously, wherein the rail sightseeing train becomes an attractive landscape in the tourism industry. People are more and more directed to a new tour and sightseeing mode: people can enjoy the scenic spots and the historic sites in each tourist attraction by taking the rail sightseeing train. With the ever-increasing market demand in the future, the development of rail sightseeing trains will be better and better.
As shown in figure 1, a bogie of a sightseeing train is connected with a train body through a core disc device, when the train turns, an upper core disc and a lower core disc of the core disc device can rotate relatively, so that a certain angle of dislocation can be realized between the bogie at the lower end of the core disc device and the train body at the upper end of the core disc device when the train turns, and the train can turn flexibly. The friction gasket is arranged between the lower core disc and the upper core disc of the existing core disc device, the lower core disc and the upper core disc are not directly contacted but respectively rotate and rub with the friction plate, and the friction gasket is replaced after being seriously abraded, so that the upper core disc and the lower core disc can be effectively protected, and the service lives of the upper core disc and the lower core disc are prolonged.
However, in the core disc device, when the upper core disc and the lower core disc rotate, sliding friction exists between the upper core disc and the friction pad has a large contact area and a large friction force during sliding friction, so that the friction pad, the upper core disc and the lower core disc are quickly worn and need to be frequently stopped and replaced, and the use and maintenance cost is high.
Disclosure of Invention
The invention aims at least solving one of the technical problems in the prior art, and particularly creatively provides a rolling friction type core disc device of a rail sightseeing train and the rail sightseeing train, wherein the core disc device is provided with a rolling body between a lower core disc and an upper core disc, so that when the train turns, the upper core disc and the lower core disc rotate relatively through the rolling body, the friction force during the relative rotation is effectively reduced, the abrasion of a friction piece between the upper core disc and the lower core disc is reduced, the service lives of the friction piece, the upper core disc and the lower core disc are prolonged, the maintenance frequency and the use and maintenance cost are effectively reduced, the problems that when the upper core disc and the lower core disc rotate in the prior art, the upper core disc and the lower core disc are in sliding friction, the contact area during the sliding friction is large, the friction force is also large, and therefore, the friction gaskets are abraded quickly and need to be frequently stopped and replaced are solved, high use and maintenance cost.
In order to achieve the above object, according to a first aspect of the present invention, the present invention provides a rolling friction type core disc device for a rail-bound sightseeing train, the core disc device includes a sleeper beam, a lower core disc seat, a lower core disc, a rolling element, an upper core disc seat and a core disc pin, the sleeper beam, the lower core disc seat, the lower core disc, the upper core disc and the upper core disc seat are sequentially stacked from bottom to top, the lower core disc seat is welded on the sleeper beam, the lower core disc is fixedly connected with the lower core disc seat through a bolt, the upper core disc is fixedly connected with the upper core disc seat through a bolt, the core disc pin sequentially penetrates through the central positions of the upper core disc and the lower core disc from top to bottom, a nut is disposed at the lower end of the core disc pin, the rolling element is interposed between the upper core disc and the lower core disc, and the upper core disc and the lower core disc can relatively rotate around the core disc pin.
The core disc device is simple and reliable in structure and flexible in rotation, and the rolling bodies are arranged between the lower core disc and the upper core disc, so that when a train turns, the upper core disc and the lower core disc rotate relatively through the rolling bodies, and the friction force during relative rotation is effectively reduced, so that the abrasion of a friction piece between the upper core disc and the lower core disc is reduced, the service lives of the friction piece, the upper core disc and the lower core disc are prolonged, and the maintenance frequency and the use and maintenance cost are effectively reduced.
Preferably, the rolling element includes a plurality of steel balls, the bottom surface of the upper core plate is provided with a circular upper groove coaxial with the core plate pin, the top surface of the lower core plate is provided with a circular lower groove corresponding to the circular upper groove, the steel balls are arranged in a space enclosed by the circular upper groove and the corresponding circular lower groove, and the inner walls of the circular upper groove and the circular lower groove are matched with the steel balls. The lower core disc and the upper core disc are provided with a plurality of steel balls, and the surface contact of the original friction spacer type core disc device is changed into point contact, so that the rotating friction force between the upper core disc and the lower core disc is reduced, and the abrasion of the lower core disc and the upper core disc during relative rotation is effectively reduced.
Preferably, the vertical cross sections of the circular upper groove and the circular lower groove are both semicircular, and the diameter of the semicircle formed by the vertical cross section of the circular upper groove is equal to that of the semicircle formed by the vertical cross section of the circular lower groove. Through the cooperation of the circular upper groove with the semicircular vertical cross section, the circular lower groove with the semicircular vertical cross section and the steel ball, the stability of the whole device during rotation is improved.
Preferably, the number of the circular upper grooves and the number of the circular lower grooves are two. Through setting up two rings of steel balls, improve the supporting effect, whole device's stability when effectively guaranteeing to rotate.
Preferably, the top surface of the lower core plate is provided with an annular groove coaxial with the core plate pin, the bottom surface of the upper core plate is provided with an annular protrusion matched with the annular groove, the circular lower groove is arranged on the concave surface of the annular groove, and the circular upper groove is arranged on the convex surface of the annular protrusion. Set up like this for lower core plate cover locates the core plate bottom surface, and the steel ball is difficult to run out when rotating on the one hand, and on the other hand is more stable when making lower core plate and last core plate rotate relatively.
Preferably, a cotter pin is arranged on the core disc pin below the nut. The nut is limited by the split pin, so that the nut is prevented from loosening and falling off.
Preferably, both ends of the sleeper beam are provided with side bearing pins. The vehicle body is supported through the side bearing pin, and the stability of the vehicle body during steering is guaranteed.
According to a second aspect of the invention, the invention provides a rail sightseeing train, which comprises a bogie and a train body, and further comprises the rail sightseeing train rolling friction type core disc device of the first aspect of the invention, wherein a sleeper beam of the rail sightseeing train rolling friction type core disc device is transversely and fixedly arranged on the bogie, and an upper core disc seat of the rail sightseeing train rolling friction type core disc device is fixedly arranged on the bottom surface of the train body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a structure in which a bogie and a car body of a sightseeing train are connected by a core device;
FIG. 2 is a schematic top view of a rolling friction type core disc assembly of a railway sightseeing train in accordance with a preferred embodiment of the invention;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of a portion of a rolling friction type core disc device of a railway sightseeing train in accordance with a preferred embodiment of the invention;
FIG. 5 is a schematic front view of a rolling friction type core plate assembly of a railway sightseeing train mounted on a bogie in accordance with a preferred embodiment of the present invention;
FIG. 6 is a schematic top view of the structure of FIG. 5;
fig. 7 is a schematic sectional structure view of B-B of fig. 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
According to an aspect of the present invention, as shown in fig. 2 to 7, the core disc device 100 includes a sleeper beam 1, a lower core disc seat 2, a lower core disc 3, rolling bodies 4, an upper core disc 5, an upper core disc seat 6, and core disc pins 7, the sleeper beam 1, the lower core disc seat 2, the lower core disc 3, the upper core disc 5, and the upper core disc seat 6 are sequentially stacked from bottom to top, the lower core disc seat 2 is welded to the sleeper beam 1, the lower core disc 3 is fixedly connected to the lower core disc seat by bolts, the upper core disc 5 is fixedly connected to the upper core disc seat 6 by bolts 8, the core disc pins 7 sequentially penetrate through the upper core disc 5 and the lower core disc 3 from top to bottom, nuts 9 are provided at lower ends of the core disc pins 7, the rolling bodies 4 are interposed between the upper core disc 5 and the lower core disc 3, and the upper core disc 5 and the lower core disc 3 are relatively rotatable around the core disc pins 7.
The core disc device 100 is simple and reliable in structure and flexible in rotation, the rolling bodies 4 are arranged between the lower core disc 3 and the upper core disc 5, so that when a train turns, the upper core disc 5 and the lower core disc 3 rotate relatively through the rolling bodies 4, the friction force during relative rotation is effectively reduced, the abrasion of a friction piece between the upper core disc 5 and the lower core disc 3 is reduced, the service lives of the friction piece, the upper core disc 5 and the lower core disc 3 are prolonged, and the maintenance frequency and the use and maintenance cost are effectively reduced.
In this embodiment, the rolling element 4 includes a plurality of steel balls 401, a circular upper groove 501 coaxial with the core pin 7 is disposed on the bottom surface of the upper core 5, a circular lower groove 301 is disposed at a position corresponding to the circular upper groove 501 on the top surface of the lower core 3, the steel balls 401 are disposed in a space defined by the circular upper groove 501 and the corresponding circular lower groove 301, and inner walls of the circular upper groove 501 and the circular lower groove 301 are both adapted to the steel balls 401. By arranging the steel balls 401 between the lower core plate 3 and the upper core plate 5, the surface contact of the original friction spacer type core plate device 100 is changed into point contact, so that the rotating friction force between the upper core plate 5 and the lower core plate 3 is reduced, and the abrasion of the lower core plate 3 and the upper core plate 5 during relative rotation is effectively reduced.
In the present embodiment, the vertical cross-sections of the upper circular groove 501 and the lower circular groove 301 are both semicircular, and the diameter of the semicircle in the vertical cross-section of the upper circular groove 501 is equal to the diameter of the semicircle in the vertical cross-section of the lower circular groove 301. Through the matching of the circular upper groove 501 with the semicircular vertical cross section, the circular lower groove 301 with the semicircular vertical cross section and the steel ball 401, the stability of the whole device during rotation is improved.
In the present embodiment, the number of the circular upper grooves 501 and the number of the circular lower grooves 301 are two. Through setting up two rings of steel balls 401, improve the supporting effect, whole device's stability when effectively guaranteeing to rotate.
In this embodiment, the top surface of the lower core plate 3 is provided with an annular groove 302 coaxial with the core plate pin 7, the bottom surface of the upper core plate 5 is provided with an annular protrusion 502 matched with the annular groove 302, the circular lower groove 301 is arranged on the concave surface of the annular groove 302, and the circular upper groove 501 is arranged on the convex surface of the annular protrusion 502. Set up like this for lower core plate 3 cover is located 5 bottom surfaces of core plate, and steel ball 401 is difficult to run out when rotating on the one hand, and on the other hand is more stable when making lower core plate 3 and last core plate 5 relative rotation.
In the present embodiment, a cotter pin 10 is provided on the core pin 7 below the nut 9. The nut 9 is limited by arranging the split pin 10, and the nut 9 is prevented from loosening and falling off.
In the present embodiment, the bolster 1 is provided with side support pins 11 at both ends. The vehicle body is supported through the side bearing pin 11, and the stability of the vehicle body during steering is guaranteed.
According to a second aspect of the present invention, the present invention provides a railway sightseeing train, which comprises a bogie 200 and a train body, and further comprises a rolling friction type core disc device 100 of the railway sightseeing train according to the first aspect of the present invention, wherein a sleeper beam 1 of the core disc device 100 is transversely and fixedly arranged on the bogie 200, and an upper core disc seat 6 of the core disc device 100 is fixedly arranged on the bottom surface of the train body.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a there is rail sightseeing train rolling friction formula core disc device, its characterized in that, includes sleeper beam, lower core disc seat, core disc, rolling element, goes up core disc seat and core disc round pin, sleeper beam, lower core disc seat, core disc, last core disc and last core disc seat from supreme the folding in proper order down establish, core disc seat welds down on the sleeper beam, down core disc with core disc seat passes through bolt fixed connection down, go up core disc with last core disc seat passes through bolt fixed connection, core disc round pin from last to running through in proper order down go up the central point of core disc and core disc down puts, the lower extreme of core disc round pin is equipped with the nut, it is equipped with to press from both sides between core disc and the lower core disc the rolling element, go up core disc and core disc down can wind core disc round pin rotates relatively.
2. The rolling friction type core disc device of the rail sightseeing train according to claim 1, wherein the rolling element comprises a plurality of steel balls, the bottom surface of the upper core disc is provided with a circular upper groove coaxial with the core disc pin, the top surface of the lower core disc is provided with a circular lower groove corresponding to the circular upper groove, the steel balls are arranged in a space enclosed by the circular upper groove and the corresponding circular lower groove, and the inner walls of the circular upper groove and the circular lower groove are matched with the steel balls.
3. The rolling friction type core disc device of a railway sightseeing train according to claim 2, wherein the vertical cross-sections of the circular upper groove and the circular lower groove are both semicircular, and the diameter of the semicircle formed by the vertical cross-section of the circular upper groove is equal to the diameter of the semicircle formed by the vertical cross-section of the circular lower groove.
4. The rolling friction type core disc device of a railway sightseeing train according to claim 3, characterized in that the number of the circular upper grooves and the circular lower grooves is two.
5. The rolling friction type core disc device of a rail sightseeing train according to claim 4, wherein the top surface of the lower core disc is provided with an annular groove coaxial with the core disc pin, the bottom surface of the upper core disc is provided with an annular bulge matched with the annular groove, the circular lower groove is arranged on the concave surface of the annular groove, and the circular upper groove is arranged on the convex surface of the annular bulge.
6. The rolling friction type core plate device of the rail sightseeing train according to any one of claims 1 to 5, wherein a cotter pin is provided on the core plate pin below the nut.
7. The rolling friction type core disc device of a railway sightseeing train according to any one of claims 1 to 5, wherein the sleeper beam is provided with side bearing pins at both ends.
8. A rail sightseeing train comprises a bogie and a train body, and is characterized by further comprising the rail sightseeing train rolling friction type core disc device as claimed in any one of claims 1 to 7, wherein a sleeper beam of the rail sightseeing train rolling friction type core disc device is transversely and fixedly installed on the bogie, and an upper core disc seat of the rail sightseeing train rolling friction type core disc device is fixedly installed on the bottom surface of the train body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346614.4A CN110949437A (en) | 2019-12-24 | 2019-12-24 | Rolling friction type core disc device of rail sightseeing train and rail sightseeing train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346614.4A CN110949437A (en) | 2019-12-24 | 2019-12-24 | Rolling friction type core disc device of rail sightseeing train and rail sightseeing train |
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| Publication Number | Publication Date |
|---|---|
| CN110949437A true CN110949437A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911346614.4A Pending CN110949437A (en) | 2019-12-24 | 2019-12-24 | Rolling friction type core disc device of rail sightseeing train and rail sightseeing train |
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| CN (1) | CN110949437A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2237364A1 (en) * | 1972-07-29 | 1974-02-14 | Hoesch Werke Ag | SEGMENT BEARING FOR PIVOTLESS PIVOT |
| CN1412058A (en) * | 2002-12-10 | 2003-04-23 | 鞍钢附企冶金车辆厂 | Core disk for torpedo hot metal mixer car |
| CN201415681Y (en) * | 2009-05-31 | 2010-03-03 | 南车长江车辆有限公司 | Truck center plate and swing bloster connecting device for bogie truck of goods train |
| CN201472405U (en) * | 2009-05-08 | 2010-05-19 | 河北钢铁股份有限公司 | Bogie center disc of railway vehicle |
| CN201834022U (en) * | 2010-10-12 | 2011-05-18 | 无锡巨力重工股份有限公司 | Improved large core plate device of torpedo car |
| CN202115537U (en) * | 2011-06-20 | 2012-01-18 | 南车二七车辆有限公司 | Dustproof center plate for railway vehicle |
| CN202243511U (en) * | 2011-09-27 | 2012-05-30 | 南车长江车辆有限公司 | Bogie connecting device |
| CN203063953U (en) * | 2012-10-30 | 2013-07-17 | 株洲市源创科技有限公司 | 45-ton axle load metallurgy vehicle two-shaft bogie |
| CN205059627U (en) * | 2015-10-20 | 2016-03-02 | 晋西铁路车辆有限责任公司 | Welding framework formula bogie |
| CN105417452A (en) * | 2015-12-24 | 2016-03-23 | 中国神华能源股份有限公司 | Railway vehicle accessory replacing and lifting device |
| CN206427040U (en) * | 2016-12-23 | 2017-08-22 | 北京太格时代自动化系统设备有限公司 | A kind of operation platform cart |
| CN107554543A (en) * | 2017-10-13 | 2018-01-09 | 通号轨道车辆有限公司 | A kind of rail vehicle and its radial type tramcar bogie |
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2019
- 2019-12-24 CN CN201911346614.4A patent/CN110949437A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2237364A1 (en) * | 1972-07-29 | 1974-02-14 | Hoesch Werke Ag | SEGMENT BEARING FOR PIVOTLESS PIVOT |
| CN1412058A (en) * | 2002-12-10 | 2003-04-23 | 鞍钢附企冶金车辆厂 | Core disk for torpedo hot metal mixer car |
| CN201472405U (en) * | 2009-05-08 | 2010-05-19 | 河北钢铁股份有限公司 | Bogie center disc of railway vehicle |
| CN201415681Y (en) * | 2009-05-31 | 2010-03-03 | 南车长江车辆有限公司 | Truck center plate and swing bloster connecting device for bogie truck of goods train |
| CN201834022U (en) * | 2010-10-12 | 2011-05-18 | 无锡巨力重工股份有限公司 | Improved large core plate device of torpedo car |
| CN202115537U (en) * | 2011-06-20 | 2012-01-18 | 南车二七车辆有限公司 | Dustproof center plate for railway vehicle |
| CN202243511U (en) * | 2011-09-27 | 2012-05-30 | 南车长江车辆有限公司 | Bogie connecting device |
| CN203063953U (en) * | 2012-10-30 | 2013-07-17 | 株洲市源创科技有限公司 | 45-ton axle load metallurgy vehicle two-shaft bogie |
| CN205059627U (en) * | 2015-10-20 | 2016-03-02 | 晋西铁路车辆有限责任公司 | Welding framework formula bogie |
| CN105417452A (en) * | 2015-12-24 | 2016-03-23 | 中国神华能源股份有限公司 | Railway vehicle accessory replacing and lifting device |
| CN206427040U (en) * | 2016-12-23 | 2017-08-22 | 北京太格时代自动化系统设备有限公司 | A kind of operation platform cart |
| CN107554543A (en) * | 2017-10-13 | 2018-01-09 | 通号轨道车辆有限公司 | A kind of rail vehicle and its radial type tramcar bogie |
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Application publication date: 20200403 |