CN114394120B - High dynamic performance railway wagon bogie - Google Patents
High dynamic performance railway wagon bogie Download PDFInfo
- Publication number
- CN114394120B CN114394120B CN202210060814.9A CN202210060814A CN114394120B CN 114394120 B CN114394120 B CN 114394120B CN 202210060814 A CN202210060814 A CN 202210060814A CN 114394120 B CN114394120 B CN 114394120B
- Authority
- CN
- China
- Prior art keywords
- assembly
- swing bolster
- side frame
- spring
- hydraulic damper
- 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
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
- B61F5/12—Bolster supports or mountings incorporating dampers
- B61F5/127—Bolster supports or mountings incorporating dampers with fluid as a damping medium
-
- 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
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a high-dynamic-performance railway wagon bogie, which comprises two groups of wheel pair assemblies, two side frame assemblies, a swing bolster assembly, two elastic side bearing assemblies, a lower swinging device and a foundation braking device, wherein the two groups of wheel pair assemblies are arranged on the lower swinging device; bearings are respectively arranged at two ends of the wheel set assembly, and two ends of the side frame assembly are respectively arranged on the bearings positioned at the same side of the two groups of wheel set assemblies through axle box elastic suspension devices; the two elastic side bearing components are symmetrically arranged at two sides of the swing bolster component; two ends of the lower swinging device are respectively arranged between the two side frame components, and two ends of the swing bolster component are respectively arranged on the lower swinging device through the central spring component; a traction pull rod assembly, a vertical hydraulic damper and a transverse hydraulic damper are also arranged between the side frame assembly and the swing bolster assembly. The bogie provided by the invention has good dynamic performance and good stability, and meets the comfort requirements of special cargo transportation and long-term operation of personnel on the vehicle.
Description
Technical Field
The invention relates to the technical field of bogies, in particular to a high-dynamic-performance railway wagon bogie.
Background
The railway wagon bogie is a key component of the railway wagon and is also a relatively independent component in the composition of the vehicle, so that the railway wagon bogie has great adaptability to various vehicles. The general requirements for truck bogies are: simple structure, good dynamic performance, low manufacturing cost and convenient overhaul and maintenance.
The truck bogie commonly adopts a three-piece bogie, mainly comprises a side frame, a swing bolster, a wheel set, a wedge vibration damper, a foundation brake device, an anti-diamond device, a side bearing and the like, has a simple structure, is low in manufacturing and overhauling cost, and can meet the requirement of cargo transportation in dynamic performance.
With the development of social economy, partial cargo transportation needs better dynamic performance and escort personnel, the traditional truck bogie has poor stability and low stability index, and the requirements of cargo transportation and personnel long-term operation are not met.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide the high-dynamic-performance railway wagon bogie, which has good dynamic performance and stability and meets the comfort requirements of special cargo transportation and long-term operation of personnel on the railway wagon.
In order to achieve the aim, the high-dynamic-performance railway wagon bogie comprises two wheel set assemblies, two side frame assemblies, a swing bolster assembly, two elastic side bearing assemblies, a lower swinging device and a foundation braking device; bearings are respectively arranged at two ends of the wheel set assembly, and two ends of the side frame assembly are respectively arranged on the bearings positioned at the same side of the two groups of wheel set assemblies through axle box elastic suspension devices;
the two elastic side bearing components are symmetrically arranged at two sides of the swing bolster component; two ends of the lower swinging device are respectively arranged between the two side frame components, and two ends of the swing bolster component are respectively arranged on the lower swinging device through a central spring component;
the basic braking device is hung on a fulcrum seat formed by the swing bolster through a braking suspender; and a traction pull rod assembly, a vertical hydraulic damper and a transverse hydraulic damper are further arranged between the side frame assembly and the swing bolster assembly.
Further, the side frame assembly is provided with a side frame body with an upward opening in the middle, two ends of the side frame assembly are respectively provided with a side frame guide frame with a downward opening, and a side frame traction pull rod mounting seat is arranged above one of the side frame guide frames;
the top center of the swing bolster assembly is provided with a lower center plate, two sides of the lower center plate are respectively provided with a side bearing box, and the elastic side bearing assembly is correspondingly arranged on the side bearing boxes;
the swing bolster traction pull rod mounting seats are respectively arranged at two ends of the swing bolster assembly in an outward extending mode, and a traction pull rod assembly is connected between the side frame traction pull rod mounting seats and the swing bolster traction pull rod mounting seats positioned on the same side.
Further, a side frame vertical hydraulic damper mounting seat is arranged in the middle of the outer side of the side frame assembly, and swing bolster vertical hydraulic damper mounting seats are respectively arranged at two ends of the swing bolster assembly;
and a vertical hydraulic damper is connected between the side frame vertical hydraulic damper mounting seat and the swing bolster vertical hydraulic damper mounting seat positioned on the same side.
Further, side frame transverse hydraulic damper mounting seats are symmetrically arranged in the middle of the inner wall of the side frame body of the side frame assembly, and swing bolster transverse hydraulic damper mounting seats are arranged on two outer side surfaces of the swing bolster assembly;
and a transverse hydraulic damper is connected between the side frame transverse hydraulic damper mounting seat and the swing bolster transverse hydraulic damper mounting seat positioned on the same side.
Further, swing bolster traction pull rod mounting seats at two ends of the swing bolster assembly are arranged in a diagonal line relative to the central axis of the lower heart plate;
the swing bolster vertical hydraulic damper mounting seats at the two ends of the swing bolster assembly are arranged in a diagonal line relative to the central axis of the lower center plate;
the swing bolster transverse hydraulic damper mounting seats on the two side surfaces of the swing bolster assembly are arranged in a diagonal line relative to the central axis of the lower center plate.
Further, two ends of the bottom of the swing bolster assembly are respectively provided with a swing bolster cylinder, and two ends of the top of the lower swing device are respectively provided with a spring tray which is arranged corresponding to the swing bolster cylinder;
the top of the central spring assembly is arranged in a swing bolster cylinder body of the swing bolster assembly, and the bottom of the central spring assembly is arranged in a spring tray of the lower swing device.
Further, the bottom of the swing bolster assembly is also provided with two first transverse elastic stops which are symmetrically arranged, and the top of the lower swing device is also provided with two second transverse elastic stops which are correspondingly arranged with the first transverse elastic stops.
Further, two ends of the bottom of the lower swinging device are respectively provided with a swinging seat positioned below the spring tray, and a swinging seat support is arranged below the swinging seat; the middle part of the side frame is provided with a mounting platform for mounting the lower swinging device.
Still further, the axle box elastic suspension device comprises an axle box spring arranged at the top of the bearing saddle, and longitudinal elastic pads arranged at two sides of the bearing saddle;
the traction pull rod assembly comprises a traction pull rod body, mounting holes are formed in two ends of the traction pull rod body, and elastic spherical hinges are assembled in each mounting hole.
Further, the central spring assembly comprises a spring group formed by an outer circle spring and an inner circle spring, an upper clamping plate is arranged at the top end of the spring group, a lower clamping plate is arranged at the bottom end of the spring group, a locking piece penetrating through the middle part of the spring group is arranged between the upper clamping plate and the lower clamping plate, and the locking piece is used for applying pretightening force to the spring group; an elastic pad is arranged between the lower clamping plate and a spring group formed by the outer circle spring and the inner circle spring;
the locking piece comprises a bolt and a slotted nut, wherein the rod part of the bolt penetrates through the middle part of the lower clamping plate, upwards extends through the spring group and then penetrates out of the middle part of the upper clamping plate to be in locking connection with the slotted nut.
Compared with the prior art, the invention has the following advantages:
the high dynamic performance railway wagon bogie is provided with the traction pull rod assembly, the vertical hydraulic shock absorber and the transverse hydraulic shock absorber, has good dynamic performance and good stability, effectively solves the defects of low stability index and poor riding comfort of personnel of the traditional wagon bogie, and can meet the comfort requirements of special cargo transportation and long-term operation of personnel on the wagon.
And one end of the vertical hydraulic damper is arranged on a side frame vertical hydraulic damper mounting seat in the side frame assembly, and the other end of the vertical hydraulic damper is arranged on a swing bolster vertical hydraulic damper mounting seat in the swing bolster assembly, so that damping required by vehicle vibration is provided, vertical vibration of a vehicle can be effectively attenuated, and vehicle dynamic performance is improved.
And thirdly, one end of the transverse hydraulic damper is arranged on a side frame transverse hydraulic damper mounting seat in the side frame assembly, and the other end of the transverse hydraulic damper is arranged on a swing bolster transverse hydraulic damper mounting seat in the swing bolster assembly, so that damping required by vehicle vibration is provided, the transverse vibration of the vehicle can be effectively damped, and the dynamic performance of the vehicle is improved.
Fourth, the two ends of the swing bolster assembly of the high dynamic performance railway wagon bogie are respectively arranged on the lower swinging device through the central spring assembly, so that the high dynamic performance railway wagon bogie can be used for installing springs with large deflection, further improves the deflection of the springs, can limit the displacement of the springs, and improves the transverse movement positioning rigidity.
Fifth, the high dynamic performance railway wagon bogie of the invention is also provided with two first transverse elastic stops and second transverse elastic stops which are symmetrically arranged, so that the transverse oversized transverse movement can be limited, and the transverse impact can be reduced.
And the bearing saddle of the axle box elastic suspension device is located on a bearing formed by the wheel sets to rotate, the top of the axle box spring and the longitudinal elastic pad are arranged in the side frame guide frame to form an elastic positioning structure formed by the wheel sets, so that proper longitudinal and transverse positioning rigidity is provided for the wheel sets, and excellent stability of snaking motion and good curve passing performance are ensured.
The central spring assembly of the invention compresses the spring assembly to a preset height by adopting the upper clamping plate, the lower clamping plate and the fastening piece, the central spring assembly has very large vertical deflection, and the elastic pad can effectively isolate high-frequency vibration of the vehicle and improve the stability of the vehicle.
And eighth, one end of the traction pull rod assembly is connected with the side frame traction pull rod mounting seat by adopting a high-strength bolt, and the other end of the traction pull rod assembly is connected with the swing bolster traction pull rod mounting seat by adopting a high-strength bolt, so that the longitudinal force between the side frame assembly and the swing bolster assembly is transmitted.
Drawings
FIG. 1 is a schematic structural view of a high dynamic performance railway freight car truck;
FIG. 2 is a schematic view of a side frame assembly;
FIG. 3 is a schematic view of a bolster assembly;
FIG. 4 is a schematic view of the swing bolster of FIG. 3 at another angle;
FIG. 5 is a schematic view of the structure of the lower swing device;
FIG. 6 is a schematic view of the construction of an axle housing elastic suspension device;
FIG. 7 is a schematic view of the structure of the center spring assembly;
FIG. 8 is a schematic view of a traction link assembly;
in the figure: wheel set assembly 1, side frame assembly 2 (side frame body 2.1, side frame guide frame 2.2, side frame traction pull rod mounting seat 2.3, side frame vertical hydraulic damper mounting seat 2.4, side frame horizontal hydraulic damper mounting seat 2.5, mounting platform 2.6), swing bolster assembly 3 (lower core plate 3.1, side bearing box 3.2, swing bolster traction pull rod mounting seat 3.3, swing bolster vertical hydraulic damper mounting seat 3.4, swing bolster horizontal hydraulic damper mounting seat 3.5, swing bolster cylinder 3.6, first horizontal elastic stop 3.7), elastic side bearing assembly 4, lower swinging device 5 (spring tray 5.1, second horizontal elastic stop 5.2), foundation brake device 6, bearing 7, axle box elastic suspension device 8 (bearing saddle 8.1, axle box spring 8.2, longitudinal elastic pad 8.3), central spring assembly 9 (outer circle spring 9.1, inner circle spring 9.2, upper clamp plate 9.3, lower clamp plate 9.4, locking piece 9.5, 9.51, grooved elastic pad 9.52, 10.10), ball joint vibration damper mounting hole 10, hydraulic damper mounting hole 10.11, hydraulic damper body 10.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to examples, but they are not to be construed as limiting the invention. While at the same time becoming clearer and more readily understood by way of illustration of the advantages of the present invention.
The high dynamic performance railway wagon bogie as shown in fig. 1 comprises two groups of wheel set assemblies 1, two side frame assemblies 2, a swing bolster assembly 3, two elastic side bearing assemblies 4, a lower swinging device 5 and a foundation braking device 6; the wheel set assembly 1 comprises an axle and two wheels, bearings 7 are respectively arranged at two ends of the wheel set assembly, and two ends of the side frame assembly 2 are respectively arranged on the bearings 7 positioned at the same side of the two wheel set assemblies 1 through axle box elastic suspension devices 8;
the two elastic side bearing components 4 are symmetrically arranged at two sides of the swing bolster component 3; two ends of the lower swinging device 5 are respectively arranged between the two side frame components 2, and two ends of the swing bolster component 3 are respectively arranged on the lower swinging device 5 through a central spring component 9; the basic brake device 6 is hung on a fulcrum seat of the swing bolster assembly 3 through a brake suspension rod, and the basic brake device 6 comprises two brake beams, a middle pull rod, a traveling lever and a fixed lever, and is used for transmitting the braking force of a vehicle so that the vehicle stops within a specified distance. A traction pull rod assembly 10, a vertical hydraulic damper 11 and a transverse hydraulic damper 12 are also arranged between the side frame assembly 2 and the swing bolster assembly 3.
As shown in fig. 2 to 5, the side frame assembly 2 is provided with side frame bodies 2.1 with middle parts facing upwards, the side frame bodies 2.1 are of U-shaped open top chord-free structures, two ends of the side frame assembly 2 are respectively provided with side frame guide frames 2.2 facing downwards, and a side frame traction pull rod mounting seat 2.3 is arranged above one of the side frame guide frames 2.2; the center of the top of the swing bolster component 3 is provided with a lower center plate 3.1, two sides of the lower center plate 3.1 are respectively provided with a side bearing box 3.2, and an elastic side bearing component 4 is correspondingly arranged on the side bearing box 3.2; the elastic side bearing component 4 is arranged in the side bearing box 3.2 of the swing bolster component 3, so that stable rotation damping is provided for the vehicle, the vehicle is ensured to have good snaking stability, and in addition, the elastic side bearing component 4 has larger elastic deflection, so that the vehicle can be well adapted to a twisted line. The elastic side bearing component comprises an elastic side bearing body and a longitudinal locking oblique iron, and the vertical rigidity of the elastic side bearing component is 1.4-2.5MN/m.
The two ends of the swing bolster assembly 3 are respectively provided with a swing bolster traction pull rod mounting seat 3.3 which is arranged in an outward extending way, and a traction pull rod assembly 10 is connected between the side frame traction pull rod mounting seat 2.3 and the swing bolster traction pull rod mounting seat 3.3 positioned on the same side.
In the technical scheme, the middle part of the outer side of the side frame component 2 is provided with the side frame vertical hydraulic damper mounting seat 2.4, and the two ends of the swing bolster component 3 are respectively provided with the swing bolster vertical hydraulic damper mounting seat 3.4; a vertical hydraulic damper 11 is connected between the side frame vertical hydraulic damper mounting seat 2.4 and the swing bolster vertical hydraulic damper mounting seat 3.4 positioned on the same side, and the damping parameter of the vertical hydraulic damper is 60-100kN.s/m. One end of the vertical hydraulic damper 11 is arranged on a side frame vertical hydraulic damper mounting seat 2.4 in the side frame assembly 2, and the other end is arranged on a swing bolster vertical hydraulic damper mounting seat 3.4 of the swing bolster assembly 3, so that damping required by vehicle vibration is provided, vertical vibration of the vehicle can be effectively attenuated, and vehicle dynamic performance is improved.
In the technical scheme, the middle part of the inner wall of the side frame body 2.1 of the side frame assembly 2 is symmetrically provided with side frame transverse hydraulic damper mounting seats 2.5, and the two outer side surfaces of the swing bolster assembly 3 are provided with swing bolster transverse hydraulic damper mounting seats 3.5; a transverse hydraulic damper 12 is connected between the side frame transverse hydraulic damper mounting seat 2.5 and the swing bolster transverse hydraulic damper mounting seat 3.5 positioned on the same side, and the damping parameter of the transverse hydraulic damper is 10-30kN.s/m. One end of the transverse hydraulic damper 12 is arranged on a side frame transverse hydraulic damper mounting seat 2.5 in the side frame assembly 2, and the other end is arranged on a swing bolster transverse hydraulic damper mounting seat 3.5 of the swing bolster assembly 3, so that damping required by vehicle vibration is provided, the transverse vibration of the vehicle can be effectively attenuated, and the dynamic performance of the vehicle is improved.
In the technical scheme, the swing bolster traction pull rod mounting seats 3.3 at the two ends of the swing bolster assembly 3 are arranged in a diagonal line relative to the central axis of the lower center plate 3.1; the vertical hydraulic vibration damper mounting seats 3.4 of the swing bolster at the two ends of the swing bolster assembly 3 are arranged in a diagonal line relative to the central axis of the lower center plate 3.1; the mounting seats 3.5 of the swing bolster transverse hydraulic shock absorbers on the two side surfaces of the swing bolster assembly 3 are arranged in a diagonal line relative to the central axis of the lower heart plate 3.1.
In the technical scheme, two ends of the bottom of the swing bolster assembly 3 are respectively provided with a swing bolster cylinder 3.6, and two ends of the top of the lower swinging device 5 are respectively provided with a spring tray 5.1 which is arranged corresponding to the swing bolster cylinder 3.6; the top of the central spring assembly 9 is arranged in the swing bolster cylinder 3.6 of the swing bolster assembly 3, and the bottom of the central spring assembly 9 is arranged in the spring tray 5.1 of the lower swing device 5.
In the above technical scheme, the bottom of the swing bolster assembly 3 is further provided with two symmetrically arranged first transverse elastic stops 3.7, and the top of the lower swing device 5 is further provided with two second transverse elastic stops 5.2 which are arranged corresponding to the first transverse elastic stops 3.7.
In the above technical scheme, two ends of the bottom of the lower swinging device 5 are respectively provided with a swinging seat 5.3 positioned below the spring tray 5.1, and a swinging seat support 5.4 is arranged below the swinging seat 5.3; the middle part of the side frame assembly 2 is provided with a mounting platform 2.6 for mounting the lower swinging device 5. The spring tray and the shaking seat are connected into a whole through bolts, the shaking seat support 5.4 is arranged on the mounting platform of the lower swinging device of the side frame assembly 2, and forms a transverse swinging mechanism with the side frame assembly 2 and the axle box elastic suspension device 8, so that the two side frame assemblies 2 are provided with a transverse suspension rod capable of swinging synchronously, the transverse flexibility of a vehicle is improved, the transverse dynamic performance of the vehicle is improved, the transverse stability can be effectively improved, the wheel abrasion is reduced, the second transverse elastic stop 5.2 and the first transverse elastic stop 3.7 of the swing bolster assembly 3 form an integral transverse stop structure, the transverse overlarge transverse movement is limited, and the transverse impact can be reduced. The lower swinging device 5 is formed by profiling a high-strength steel plate, a second transverse elastic stop 5.2 is welded on the lower swinging device, the spring tray is of a cylinder structure, the swinging seat is a casting or forging, the two ends of the swinging seat are arc supporting structures, and the swinging seat is supported by an arc box-shaped structure.
As shown in fig. 6, the axle box elastic suspension device 8 comprises a bearing saddle 8.1, an axle box spring 8.2 is arranged at the top of the bearing saddle 8.1, and longitudinal elastic cushions 8.3 are arranged at two sides of the bearing saddle 8.1; the bearing saddle is a cast steel part, the top is provided with an axle box spring installation frame, two sides are inclined planes, a longitudinal elastic cushion is installed, the axle box spring is a steel and rubber component and is installed in the top frame of the bearing saddle, and the longitudinal elastic cushion is a steel and rubber component and is installed on two sides of the bearing saddle. The bearing saddle 8.1 of the axle box elastic suspension device 8 is located on the bearing of the wheel set assembly 2 to form rotation, the top of the axle box spring 8.2 and the longitudinal elastic pad 8.3 are arranged in the side frame guide frame to form an elastic positioning structure of the wheel set assembly 2, so that proper longitudinal and transverse positioning rigidity is provided for the wheel set, and excellent stability of snaking and good curve passing performance are ensured.
As shown in fig. 7, the central spring assembly 9 comprises a spring set formed by an outer circle spring 9.1 and an inner circle spring 9.2, an upper clamping plate 9.3 is arranged at the top end of the spring set, a lower clamping plate 9.4 is arranged at the bottom end of the spring set, a locking piece 9.5 penetrating through the middle part of the spring set is arranged between the upper clamping plate 9.3 and the lower clamping plate 9.4, and the locking piece 9.5 is used for exerting pretightening force on the spring set; an elastic pad 9.6 is arranged between the lower clamping plate 9.4 and a spring group formed by the outer circle spring 9.1 and the inner circle spring 9.2;
the locking piece 9.5 comprises a bolt 9.51 and a slotted nut 9.52, wherein the rod part of the bolt 9.51 passes through the middle part of the lower clamping plate 9.4, extends upwards through the spring group and then passes out of the middle part of the upper clamping plate 9.3 to be in locking connection with the slotted nut 9.52. The central spring assembly is compressed to a predetermined height by upper and lower clamping plates and fasteners. The central spring component 9 has very large vertical deflection, and the elastic pad 9.6 can effectively isolate high-frequency vibration of the vehicle and improve the stability of the vehicle. In the embodiment, the outer diameter of the outer circle spring is 350-500mm, the spring diameter is 25-50mm, the upper clamping plate and the lower clamping plate are steel plate profiled pieces with the thickness of 8-12mm, a groove with the depth of 40-60mm is formed in the middle, the elastic pad is of a hollow cylinder structure, and the vertical rigidity is 60-100MN/m.
As shown in fig. 8, the traction pull rod assembly 10 includes a traction pull rod body 10.1, mounting holes 10.2 are provided at two ends of the traction pull rod body 10.1, and an elastic spherical hinge 10.3 is assembled in each mounting hole 10.2. The elastic spherical hinge 10.3 is pressed in the mounting holes 10.2 at the two ends of the traction pull rod body 10.1 in an interference manner, the hole axis of a bolt of the elastic spherical hinge 10.3 is parallel to the length direction of the traction pull rod body 10.1, the radial rigidity of the elastic spherical hinge 10.3 is 15MN/m-45MN/m, the deflection angle range is +/-6 degrees, and the torsion angle range is +/-3 degrees; one end of the traction pull rod assembly 10 is connected with the side frame traction pull rod mounting seat 2.3 by adopting a high-strength bolt, and the other end of the traction pull rod assembly is connected with the swing bolster traction pull rod mounting seat 3.3 by adopting a high-strength bolt, so that the longitudinal force between the side frame assembly 2 and the swing bolster assembly 3 is transmitted.
The foregoing is merely exemplary embodiments of the present invention, and it should be noted that any changes and substitutions that would be easily recognized by those skilled in the art within the scope of the present invention are intended to be covered by the present invention, and the remaining details are not described in detail as prior art.
Claims (5)
1. A high dynamic performance railway wagon bogie, characterized by: comprises two groups of wheel pair components (1), two side frame components (2), a swing bolster component (3), two elastic side bearing components (4), a lower swinging device (5) and a basic braking device (6); bearings (7) are respectively arranged at two ends of the wheel set assembly (1), and two ends of the side frame assembly (2) are respectively arranged on the bearings (7) positioned at the same side of the two groups of wheel set assemblies (1) through axle box elastic suspension devices (8);
the two elastic side bearing components (4) are symmetrically arranged at two sides of the swing bolster component (3); two ends of the lower swinging device (5) are respectively arranged between the two side frame components (2), and two ends of the swing bolster component (3) are respectively arranged on the lower swinging device (5) through a central spring component (9);
the basic braking device (6) is hung on a fulcrum seat of the swing bolster assembly (3) through a braking suspender; a traction pull rod assembly (10), a vertical hydraulic damper (11) and a horizontal hydraulic damper (12) are further arranged between the side frame assembly (2) and the swing bolster assembly (3);
the side frame assembly (2) is provided with side frame bodies (2.1) with middle parts facing upwards, two ends of the side frame assembly (2) are respectively provided with side frame guide frames (2.2) facing downwards, and a side frame traction pull rod mounting seat (2.3) is arranged above one side frame guide frame (2.2);
the center of the top of the swing bolster assembly (3) is provided with a lower center plate (3.1), two sides of the lower center plate (3.1) are respectively provided with a side bearing box (3.2), and the elastic side bearing assembly (4) is correspondingly arranged on the side bearing boxes (3.2);
swing bolster traction pull rod mounting seats (3.3) which are arranged in an outward extending mode are respectively arranged at two ends of the swing bolster assembly (3), and a traction pull rod assembly (10) is connected between the side frame traction pull rod mounting seats (2.3) and the swing bolster traction pull rod mounting seats (3.3) which are positioned on the same side;
the middle part of the outer side of the side frame component (2) is provided with a side frame vertical hydraulic damper mounting seat (2.4), and two ends of the swing bolster component (3) are respectively provided with a swing bolster vertical hydraulic damper mounting seat (3.4);
a vertical hydraulic damper (11) is connected between the side frame vertical hydraulic damper mounting seat (2.4) and the swing bolster vertical hydraulic damper mounting seat (3.4) positioned on the same side;
the middle part of the inner wall of the side frame body (2.1) of the side frame assembly (2) is symmetrically provided with side frame transverse hydraulic damper mounting seats (2.5), and two outer side surfaces of the swing bolster assembly (3) are provided with swing bolster transverse hydraulic damper mounting seats (3.5);
a transverse hydraulic damper (12) is connected between the side frame transverse hydraulic damper mounting seat (2.5) and the swing bolster transverse hydraulic damper mounting seat (3.5) positioned on the same side;
the axle box elastic suspension device (8) comprises an bearing saddle (8.1), an axle box spring (8.2) is arranged at the top of the bearing saddle (8.1), and longitudinal elastic pads (8.3) are arranged at two sides of the bearing saddle (8.1);
the traction pull rod assembly (10) comprises a traction pull rod body (10.1), mounting holes (10.2) are formed in two ends of the traction pull rod body (10.1), and an elastic spherical hinge (10.3) is assembled in each mounting hole (10.2);
the central spring assembly (9) comprises a spring set formed by an outer circle spring (9.1) and an inner circle spring (9.2), an upper clamping plate (9.3) is arranged at the top end of the spring set, a lower clamping plate (9.4) is arranged at the bottom end of the spring set, a locking piece (9.5) penetrating through the middle of the spring set is arranged between the upper clamping plate (9.3) and the lower clamping plate (9.4), and the locking piece (9.5) is used for exerting pretightening force on the spring set; an elastic pad (9.6) is arranged between the lower clamping plate (9.4) and a spring group formed by the outer circular spring (9.1) and the inner circular spring (9.2);
the locking piece (9.5) comprises a bolt (9.51) and a slotted nut (9.52), wherein the rod part of the bolt (9.51) passes through the middle part of the lower clamping plate (9.4) to extend upwards, passes through the spring group and then passes out of the middle part of the upper clamping plate (9.3) to be in locking connection with the slotted nut (9.52).
2. The high dynamic performance rail wagon bogie of claim 1, wherein: the swing bolster traction pull rod mounting seats (3.3) at two ends of the swing bolster assembly (3) are arranged in a diagonal line relative to the central axis of the lower heart plate (3.1);
the swing bolster vertical hydraulic damper mounting seats (3.4) at two ends of the swing bolster assembly (3) are arranged in a diagonal line relative to the central axis of the lower center plate (3.1);
the swing bolster transverse hydraulic damper mounting seats (3.5) on the two side surfaces of the swing bolster assembly (3) are arranged in a diagonal line relative to the central axis of the lower center plate (3.1).
3. The high dynamic performance rail wagon bogie of claim 2, wherein: the two ends of the bottom of the swing bolster assembly (3) are respectively provided with a swing bolster cylinder (3.6), and the two ends of the top of the lower swing device (5) are respectively provided with a spring tray (5.1) which is arranged corresponding to the swing bolster cylinder (3.6);
the top of the central spring assembly (9) is arranged in the swing bolster cylinder body (3.6) of the swing bolster assembly (3), and the bottom of the central spring assembly (9) is arranged in the spring tray (5.1) of the lower swing device (5).
4. A high dynamic performance railway freight car truck as claimed in claim 3, wherein: the bottom of the swing bolster assembly (3) is also provided with two symmetrically arranged first transverse elastic stops (3.7), and the top of the lower swing device (5) is also provided with two second transverse elastic stops (5.2) which are arranged corresponding to the first transverse elastic stops (3.7).
5. The high dynamic performance rail wagon bogie of claim 4, wherein: two ends of the bottom of the lower swinging device (5) are respectively provided with a swinging seat (5.3) positioned below the spring tray (5.1), and a swinging seat support (5.4) is arranged below the swinging seat (5.3); the middle part of the side frame component (2) is provided with a mounting platform (2.6) for mounting the lower swinging device (5).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060814.9A CN114394120B (en) | 2022-01-19 | 2022-01-19 | High dynamic performance railway wagon bogie |
| PCT/CN2023/072672 WO2023138584A1 (en) | 2022-01-19 | 2023-01-17 | Railway freight wagon bogie having high dynamic performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060814.9A CN114394120B (en) | 2022-01-19 | 2022-01-19 | High dynamic performance railway wagon bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114394120A CN114394120A (en) | 2022-04-26 |
| CN114394120B true CN114394120B (en) | 2023-05-26 |
Family
ID=81230754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210060814.9A Active CN114394120B (en) | 2022-01-19 | 2022-01-19 | High dynamic performance railway wagon bogie |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114394120B (en) |
| WO (1) | WO2023138584A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114394120B (en) * | 2022-01-19 | 2023-05-26 | 中车长江运输设备集团有限公司 | High dynamic performance railway wagon bogie |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3313245A (en) * | 1964-08-10 | 1967-04-11 | Rockwell Mfg Co | Railway trucks |
| US6874426B2 (en) * | 2002-08-01 | 2005-04-05 | National Steel Car Limited | Rail road car truck with bearing adapter and method |
| EP2487087B8 (en) * | 2011-02-09 | 2016-06-22 | Kockums Engineering AB | An arrangement for height compensation of a railway wagon |
| CN103010247A (en) * | 2011-09-27 | 2013-04-03 | 齐齐哈尔轨道交通装备有限责任公司 | Bogie of railway vehicle and railway vehicle |
| CN102490751B (en) * | 2011-12-21 | 2014-10-22 | 南车长江车辆有限公司 | Shaft box suspension swing type bogie for rail wagon |
| CN106809233B (en) * | 2017-01-23 | 2018-11-30 | 中车长江车辆有限公司 | Railway red ball bogie |
| CN107336720B (en) * | 2017-08-11 | 2019-01-18 | 中车长春轨道客车股份有限公司 | The novel subway power truck that turning radius is 25 meters |
| CN108313085A (en) * | 2018-01-04 | 2018-07-24 | 中车长春轨道客车股份有限公司 | Six axis high floor light rail car end power truck with small curve negotiation ability |
| CN110562283B (en) * | 2019-10-21 | 2024-07-26 | 江苏凯宫隧道机械有限公司 | Spring assembly for carrying bogie of soil and method for assembling and disassembling spring assembly |
| CN112693491A (en) * | 2021-01-22 | 2021-04-23 | 中车长春轨道客车股份有限公司 | External subway bogie of axle box with integrated form truck bloster and lift by crane strutting arrangement |
| CN114394120B (en) * | 2022-01-19 | 2023-05-26 | 中车长江运输设备集团有限公司 | High dynamic performance railway wagon bogie |
-
2022
- 2022-01-19 CN CN202210060814.9A patent/CN114394120B/en active Active
-
2023
- 2023-01-17 WO PCT/CN2023/072672 patent/WO2023138584A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN114394120A (en) | 2022-04-26 |
| WO2023138584A1 (en) | 2023-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11084510B2 (en) | Bolster of bogie | |
| WO2017219556A1 (en) | Bogie | |
| CN110329301B (en) | Narrow-gauge vehicle bogie and manufacturing method thereof | |
| CN109878545B (en) | Tramcar and bogie | |
| CN110877624A (en) | Built-in trailer bogie of high-speed motor train unit axle box | |
| CN201198319Y (en) | Light weight high speed bogie without swing bolster | |
| CN112356871A (en) | Bogie for inner axle box of railway vehicle | |
| CN114394120B (en) | High dynamic performance railway wagon bogie | |
| WO2022120933A1 (en) | Bogie beam, bogie and rail vehicle | |
| CN113879353B (en) | Bogie for track engineering machinery with compact primary suspension | |
| CN2920770Y (en) | Wide rail welding bogie | |
| CN110667635A (en) | Built-in bogie frame of axle box | |
| CN101032967A (en) | Single axle bogie for track vehicle | |
| CN112406910B (en) | Suspension type rail transit system | |
| CN214356034U (en) | High-speed railway vehicle bogie | |
| CN111301468A (en) | Low-power-action bogie for wheel rail | |
| WO2021135198A1 (en) | Bolster-less framed bogie suitable for high-speed freight wagon | |
| CN101837792B (en) | Trailer bogie for metric rail | |
| CN112356869A (en) | High-speed railway vehicle bogie | |
| CN210760784U (en) | Built-in bogie frame of axle box | |
| CN214356037U (en) | Bogie for inner axle box of railway vehicle | |
| CN211809616U (en) | Swing bolster-free framework type bogie suitable for high-speed railway wagon | |
| CN114407957A (en) | Transverse elastic limiting device and bogie | |
| CN201198318Y (en) | Light weight high speed bogie without swing bolster | |
| CN112277967A (en) | Central suspension device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |