CN110920655A - Axle box cross connection type express freight car bogie - Google Patents

Axle box cross connection type express freight car bogie Download PDF

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Publication number
CN110920655A
CN110920655A CN201911326309.9A CN201911326309A CN110920655A CN 110920655 A CN110920655 A CN 110920655A CN 201911326309 A CN201911326309 A CN 201911326309A CN 110920655 A CN110920655 A CN 110920655A
Authority
CN
China
Prior art keywords
axle box
cross
bogie
swing bolster
axle
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.)
Pending
Application number
CN201911326309.9A
Other languages
Chinese (zh)
Inventor
廖军
祝笈
王爱民
吴畅
涂东
杨军
张显锋
罗汉江
李冬
张光才
韩金刚
张锐
刘兵
王云贵
李嘉乐
冯成礼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Meishan Co Ltd
Original Assignee
CRRC Meishan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CRRC Meishan Co Ltd filed Critical CRRC Meishan Co Ltd
Priority to CN201911326309.9A priority Critical patent/CN110920655A/en
Publication of CN110920655A publication Critical patent/CN110920655A/en
Pending legal-status Critical Current

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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
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • 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
    • B61F5/06—Bolster supports or mountings incorporating metal 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
    • B61F5/08—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
    • B61F5/26—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
    • B61F5/305—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes 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
    • B61F5/26—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
    • B61F5/308—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating damping devices

Abstract

The invention discloses an axle box cross-connection type express freight truck bogie which comprises an axle shaft composition, a framework, axle box suspension devices, a swing bolster, a basic brake device, a side bearing, an empty-load truck adjusting device and a central suspension device, wherein the axle box suspension devices are respectively installed at two ends of the axle shaft composition; the cross connecting device comprises two pull rods which are arranged below the swing bolster in a cross mode, and two tail ends of each pull rod are hinged with the axle box suspension device of the bogie through elastic spherical hinges. The invention strengthens the restraint of the front wheel set and the rear wheel set, increases the shearing rigidity between the wheel sets, greatly improves the critical speed of the hunting instability of the bogie, ensures the operation stability and can release the swing restraint of the wheel sets by adopting the axle boxes with softer rigidity for the axle box cross connecting device, reduces the wheel rail acting force, the wheel rail abrasion and the operation noise, and improves the integral dynamic performance of the vehicle.

Description

Axle box cross connection type express freight car bogie
Technical Field
The invention relates to a design technology of railway freight transportation equipment, in particular to a design technology of an axle box cross connection type express freight car bogie, belonging to the technical field of railway vehicle design and manufacture.
Background
At present, the speed of a main type bogie of a railway wagon in China generally reaches 120km/h, but the higher speed is limited by a bogie structure, for example, the traditional three-piece bogie has large unsprung mass, increased wheel rail acting force, serious wheel rail abrasion, serious suspension device abrasion, deteriorated dynamic performance of the bogie along with the rise of the speed, increased vibration acceleration of a vehicle and reduced stability. And meanwhile, the stability and the safety of the vehicle cannot meet the requirements. With the increase of the transportation amount of high value-added goods on railways, particularly the development of rapid container transportation, the development of a rapid freight car bogie with higher speed, small wheel rail abrasion and noise and excellent dynamic performance is urgently expected.
Disclosure of Invention
The invention discloses an axle box cross connection type express freight truck bogie according to the defects of the prior art. The invention aims to solve the problem of providing the axle box cross connection type express freight car bogie which meets the development requirement of railway express freight, has higher running speed, excellent dynamic performance, small wheel rail abrasion and noise and more reasonable combined structure.
The invention is realized by the following technical scheme:
axle box cross connection formula express delivery freight car bogie, the bogie includes that the shaft is constituteed, framework, axle box linkage, bolster, basic brake equipment, side bearing, empty and heavy car adjusting device and central suspension, still includes vertical draw gear, vertical damping device and horizontal damping device, its characterized in that: the two ends of the wheel shaft assembly are respectively provided with an axle box suspension device, the framework is located above the four axle box suspension devices, and the four axle box suspension devices are in cross connection through cross connection devices of the underlying structures.
The cross connecting device of the underlying structure comprises two pull rods which are arranged below the swing bolster in a cross mode, and two tail ends of each pull rod are hinged with the axle box suspension device of the bogie through elastic spherical hinges.
The central suspension device is an elastic element formed by vulcanizing a metal plate and rubber.
The axle box suspension device comprises an axle box body and rubber springs, wherein the axle box body is matched and connected with an axle formed by wheel shafts, the rubber springs are arranged on two sides of the axle box body, a pull rod mounting seat is arranged at the end part of the axle box body so as to facilitate the maintenance and assembly of an axle box pull rod, and a vertical shock absorber mounting seat is arranged at the upper part of the axle box body so as to facilitate the installation and maintenance of a vertical shock absorber.
The axle box rubber spring adopts a combined rubber pile structure, the stiffness curve of the axle box rubber spring has a nonlinear characteristic, and the combined structure of the inner rubber spring and the outer rubber spring can ensure that the vehicle can obtain different vertical, transverse and longitudinal three-way stiffness in the empty state and the heavy state, particularly the vehicle can obtain larger vertical deflection in the empty state, and the dynamic performance of the vehicle in the empty state is improved.
The framework is connected with the axle box suspension device through a rubber spring; and the vertical shock absorber mounting seat on the upper part of the shaft box body is connected with the side beam of the framework through a vertical shock absorber.
The frame is formed by welding two side beams of two groups of box beam structures and two cross beams of tubular structures penetrating through the side beams into a whole, all members arranged on the frame are fixedly arranged by welding, and a bearing platform for mounting a central suspension device is arranged on the inner side of the middle part of each side beam.
Each component comprises a unit braking system hanging seat, a traction device mounting seat, a transverse shock absorber mounting seat, a brake pipe hanging seat, a hanging bearing platform, a transverse stopping mounting seat, a spherical hinge mounting seat and a vertical shock absorber mounting seat framework.
And an empty-load vehicle adjusting device is arranged on the side beam on one side of the framework.
And the two ends of the middle part of each cross beam of the framework are respectively provided with a longitudinal traction device and a transverse vibration damper which are connected with the swing bolster.
The swing bolster is welded by adopting a template to form a box girder structure, and the template comprises an upper cover plate, a web plate and a lower cover plate; the length of the swing bolster is smaller than the size of the center distance of the steering frame journal, and the swing bolster is arranged on the inner side of the steering frame; the cross section of the swing bolster is a U-shaped combined two-wing structure with the middle part lower than the two ends.
The upper surface of the swing bolster U-shaped structure is provided with a lower center plate, the lower surface of the swing bolster U-shaped structure is provided with a transverse shock absorber mounting seat, the end parts of two wings of the swing bolster U-shaped structure are provided with side bearing boxes, and the two wings and the U-shaped transition section of the lower surface of the swing bolster U-shaped structure are provided with traction device mounting seats.
The bogie is provided with a system of vibration damping system which is formed by matching an axle box suspension device and a vertical vibration damping device so as to reduce the vibration acceleration of the vehicle during running.
The side beams are welded by adopting mould plates to form a box girder structure, and the mould plates comprise an upper cover plate, a web plate and a lower cover plate; the cross section of the side beam is a U-shaped combined two-wing structure with the middle part lower than the two ends; the inner side of the U-shaped structure is provided with a suspension bearing platform which is integrated with the lower cover plate.
And the middle parts of the upper planes of the U-shaped structures of the two side beams of the bogie frame are provided with transverse stoppers.
The vertical vibration damper is arranged at the upper part of the axle box suspension device of each side beam, the lower end of the vertical vibration damper is hinged and fixed with the axle box suspension device, the upper end of the vertical vibration damper is hinged with the side beam through a hinged seat, and the vertical vibration damper is arranged at a certain angle with the axle box, so that not only can vertical vibration damping force be provided, but also certain transverse vibration damping force can be provided, and the vibration damping capacity of the bogie is improved.
The four axle box suspension devices of the bogie are in cross connection through the cross connection devices, so that the hunting instability critical speed of the empty vehicle running is improved, and the running noise of the vehicle passing through a curve line is reduced; the cross pull rod is connected with the axle box pull rod mounting seat through riveting, and the same pull rod connects two axle boxes at opposite angles together; the pull rod is of a segmented welding structure, and elastic hinges are arranged to realize elastic connection; an adjusting gasket is arranged between the pull rod and the axle box mounting seat, so that the axle box pull rod is convenient to assemble and abrasion is reduced.
Two side beams of the bogie frame are provided with inner side suspension bearing platforms, so that the bearing span of the swing bolster is short, and the loaded working condition is better.
The bogie adopts a structural mode that the central suspension device is arranged on the inner side of the framework, so that the length of the swing bolster is shorter, the weight is lighter, and the structure is simpler;
the transverse stopping block of the bogie is arranged in the middle of the upper planes of the two side beams of the framework.
The invention has the beneficial effects that: the bogie adopts an axle box cross connecting device, so that the restraint of front and rear wheel sets is strengthened, the shearing rigidity between the wheel sets is increased, the critical speed of the hunting instability of the bogie is greatly improved, and meanwhile, the action of a certain wheel set radial device is played, the action of the wheel set attack angle and the wheel rail power can be reduced, the running noise of the wheel set is reduced, the curve passing performance of the bogie is improved, and the line adaptability of the bogie is enhanced; the adoption of the axle box cross connecting device of the underlying structure enables the bogie to be suspended by adopting the axle box with softer rigidity, thereby ensuring the running stability of the bogie; meanwhile, the flexible axle box suspension can release the oscillating constraint of the wheel pair, so that the wheel-rail acting force, the wheel-rail abrasion and the running noise are reduced, and the overall dynamic performance of the vehicle is improved. The method is suitable for various rapid freight trains such as a railway movable wall box wagon, a ceiling wagon, a container flat car and the like with 1435mm standard gauge in China.
Drawings
Fig. 1 is a front view of the inventive truck.
Fig. 2 is a top view of the inventive truck.
Fig. 3 is a side view of the inventive bogie.
Fig. 4 is a bottom view of the inventive truck.
Fig. 5 is a schematic view of a truck axle box cross-connect of the present invention.
FIG. 6 is a schematic view of a shock absorbing system of the bogie of the present invention.
Fig. 7 is a schematic view of the truck frame of the present invention.
Fig. 8 is a schematic view of the truck built-in center suspension of the present invention.
Fig. 9 is a schematic view of the mounting of the lateral stops of the truck of the present invention to the frame.
The labels in the figure are: 1-wheel axle composition, 2-frame, 2.1-side beam, 2.2-suspension bearing platform, 2.3-transverse stop mounting seat, 3-axle box suspension device, 3.1-rubber spring, 4-swing bolster, 5-foundation brake device, 6-cross connection device, 7-side bearing, 8-empty vehicle adjusting device, 9-central suspension device, 10-longitudinal traction device, 11-vertical vibration damping device, 12-transverse vibration damping device, 13-antiskid device and 14-transverse stop.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.
With reference to the attached drawings.
As shown in the figure, the axle box cross-connection type express freight truck bogie comprises an axle shaft assembly 1, a framework 2, an axle box suspension device 3, a swing bolster 4, a foundation brake device 5, a side bearing 7, an empty and heavy truck adjusting device 8, a central suspension device 9, a longitudinal traction device 10, a vertical vibration damper 11 and a transverse vibration damper 12, wherein the axle box suspension devices 3 are respectively installed at two ends of the axle shaft assembly 1, the framework 2 is located above the four axle box suspension devices 3, and the four axle box suspension devices 3 are in cross connection through cross connection devices 6.
The cross connecting device 6 comprises two pull rods which are arranged below the swing bolster in a cross mode, and two tail ends of each pull rod are hinged with the axle box suspension device 3 of the bogie through elastic spherical hinges.
The central suspension 9 is an elastic element formed by vulcanizing a metal plate and rubber.
The axle box suspension device 3 comprises an axle box body which is matched and connected with an axle formed by wheel shafts, and rubber springs 3.1 arranged on two sides of the axle box body, wherein a pull rod mounting seat is arranged at the end part of the axle box body for facilitating the maintenance and assembly of an axle box pull rod, and a vertical shock absorber mounting seat is arranged at the upper part of the axle box body for facilitating the installation and maintenance of a vertical shock absorber.
The axle box rubber spring 3.1 adopts a combined rubber pile structure, the rigidity curve has nonlinear characteristics, and the combined structure of the inner rubber spring 3.1 and the outer rubber spring 3.1 can ensure that the vehicle can obtain different vertical, transverse and longitudinal three-way rigidity in the empty and heavy vehicle states, particularly the vehicle can obtain larger vertical deflection in the empty vehicle state, and the dynamic performance of the vehicle in the empty vehicle state is improved.
The framework is connected with the axle box suspension device 3 through a rubber spring 3.1; the vertical shock absorber mounting seat on the upper portion of the axle box body is connected with the side beam of the framework through a vertical shock absorber 11.
The framework 2 is formed by welding two groups of side beams of box beam structures and two tubular cross beams penetrating through the side beams into a whole, all members arranged on the framework are fixedly arranged by welding, and a bearing platform for mounting a central suspension device 9 is arranged on the inner side of the middle part of each side beam.
Each component comprises a unit braking system hanging seat, a traction device mounting seat, a transverse shock absorber mounting seat, a brake pipe hanging seat, a hanging bearing platform, a transverse stopping mounting seat, a spherical hinge mounting seat and a vertical shock absorber mounting seat framework.
The swing bolster 4 is welded by adopting a template to form a box girder structure, and the template comprises an upper cover plate, a web plate and a lower cover plate; the length of the swing bolster is smaller than the size of the center distance of the steering frame journal, and the swing bolster is arranged on the inner side of the steering frame framework 2; the cross section of the swing bolster 2 is a U-shaped combined two-wing structure with the middle part lower than the two ends.
The upper surface of the swing bolster U-shaped structure is provided with a lower center plate, the lower surface of the swing bolster U-shaped structure is provided with a transverse shock absorber mounting seat, the end parts of two wings of the swing bolster U-shaped structure are provided with side bearing boxes, and the two wings and the U-shaped transition section of the lower surface of the swing bolster U-shaped structure are provided with traction device mounting seats.
The bogie is provided with a series of damping systems which are formed by matching the axle box suspension devices 3 and the vertical damping devices 11 so as to reduce the vibration acceleration when the vehicle runs.
The side beam 2.1 adopts a box beam structure formed by welding mould plates, and each mould plate comprises an upper cover plate, a web plate and a lower cover plate; the cross section of the side beam 2.1 is a U-shaped combined two-wing structure with the middle part lower than the two ends; the inner side of the U-shaped structure is provided with a suspension bearing platform 2.2 which is integrated with the lower cover plate.
The middle part of the upper plane of the U-shaped structures of the two side beams of the bogie frame is provided with a transverse stop 14.
The vertical vibration damper 11 is arranged at the upper part of the axle box suspension device 3 of each side beam 2.1, the lower end of the vertical vibration damper is hinged and fixed with the axle box suspension device 3, the upper end of the vertical vibration damper is hinged with the side beam 2.1 through a hinged seat, the vertical vibration damper 11 is arranged at a certain angle with the axle box, and therefore the vertical vibration damper not only can provide vertical vibration damping force, but also can provide certain transverse vibration damping force, and therefore the vibration damping capacity of the bogie is improved.
The four axle box suspension devices 3 of the bogie are in cross connection through cross connection devices 6 so as to improve the hunting instability critical speed of the empty vehicle running and reduce the running noise of the vehicle when the vehicle passes through a curve line; the cross pull rod is connected with the axle box pull rod mounting seat through riveting, and the same pull rod connects two axle boxes at opposite angles together; the pull rod is of a segmented welding structure, and elastic hinges are arranged to realize elastic connection; an adjusting gasket is arranged between the pull rod and the axle box mounting seat, so that the axle box pull rod is convenient to assemble and abrasion is reduced.
As shown in fig. 1 to 5, the axle box cross-connecting type express freight car bogie of the invention comprises an axle shaft assembly 1, a frame 2, an axle box suspension device 3, a swing bolster 4, a foundation brake device 5, a cross-connecting device 6, a side bearing 7, an empty-load car adjusting device 8, a central suspension device 9, a longitudinal traction device 10, a vertical vibration damping device 11, a transverse vibration damping device 12, an anti-skid device 13 and a transverse stopper 14.
Axle box suspension devices 3 are installed at two ends of a wheel axle assembly 1, a framework 2 is located above four axle box suspension devices 3, a central suspension device 9 is installed between the framework 2 and a swing bolster 4, the central suspension device 9 is installed on a suspension bearing platform 2.2 of the framework 2, a basic brake device 5 is installed on the framework 2 through a suspension seat, cross connection devices 6 are in cross connection with the four axle box suspension devices 3, side bearings 7 are located at two ends of the swing bolster 4, an empty-load vehicle adjusting device 8 is installed inside side beams 2.1 of the framework 2, two end heads of a longitudinal traction device 10 and a transverse damping device 12 are respectively connected with installation seats on the framework 2 and the swing bolster 4, two end heads of a vertical damping device 11 are respectively connected with the installation seats on the framework 2 and the axle box suspension devices 3, an antiskid device 13 is configured on each wheel axle box assembly 1, and the antiskid device 13 is installed outside the axle box suspension.
As shown in fig. 6, the bogie-series damping system is composed of the pedestal suspension device 3 and the vertical damping device 11, wherein the upper end of the vertical damping device 11 is coupled to the damper mount on the frame 2.
As shown in fig. 7 and 8, a suspension platform 2.2 is provided inside each of the two side beams 2.1 of the frame 2 for mounting the central suspension unit 9, and the bolster 4 is placed over the two central suspension units 9.
As shown in fig. 9, the lateral stops 14 are mounted to the side members 2.1 of the frame 2 by lateral stop mounts 2.3.

Claims (10)

1. The utility model provides an axle box cross connection formula express delivery freight car bogie, the bogie includes that the shaft is constituteed, framework, axle box linkage, truck bloster, basic brake equipment, side bearing, empty and heavy vehicle adjusting device and central linkage, still includes vertical draw gear, vertical damping device and horizontal damping device, its characterized in that: the two ends of the wheel shaft assembly are respectively provided with an axle box suspension device, the framework is located above the four axle box suspension devices, and the four axle box suspension devices are in cross connection through cross connection devices of the underlying structures.
2. The axlebox cross connect pickup truck according to claim 1, wherein: the cross connecting device of the underlying structure comprises two pull rods which are arranged below the swing bolster in a cross mode, and two tail ends of each pull rod are hinged with the axle box suspension device of the bogie through elastic spherical hinges.
3. The axlebox cross connect pickup truck according to claim 2, wherein: the axle box suspension device comprises an axle box body which is matched and connected with an axle formed by wheel shafts, and rubber springs on two sides of the axle box body, wherein a vertical shock absorber mounting seat is arranged at the upper part of the axle box body; the axle box rubber spring adopts a combined rubber pile structure and adopts a combined structure of an inner rubber spring and an outer rubber spring.
4. The axlebox cross connect pickup truck according to claim 3, wherein: the frame is formed by welding side beams of two groups of box beam structures and cross beams of two tubular structures penetrating through the side beams into a whole, and all members arranged on the frame are fixedly arranged by welding; each component comprises a unit braking system hanging seat, a traction device mounting seat, a transverse shock absorber mounting seat, a brake pipe hanging seat, a hanging bearing platform, a transverse stopping mounting seat, a spherical hinge mounting seat and a vertical shock absorber mounting seat framework.
5. An axlebox cross connect pickup truck according to claim 3 or 4, wherein: the swing bolster is welded by adopting a template to form a box girder structure, and the template comprises an upper cover plate, a web plate and a lower cover plate; the length of the swing bolster is smaller than the size of the center distance of the steering frame journal, and the swing bolster is arranged on the inner side of the steering frame; the cross section of the swing bolster is a U-shaped combined two-wing structure with the middle part lower than the two ends.
6. The axlebox cross connect pickup truck according to claim 5, wherein: the upper surface of the swing bolster U-shaped structure is provided with a lower center plate, the lower surface of the swing bolster U-shaped structure is provided with a transverse shock absorber mounting seat, the end parts of two wings of the swing bolster U-shaped structure are provided with side bearing boxes, and the two wings and the U-shaped transition section of the lower surface of the swing bolster U-shaped structure are provided with traction device mounting seats.
7. The axlebox cross connect pickup truck according to claim 5, wherein: the bogie is provided with a system of damping system which is formed by matching an axle box suspension device and a vertical damping device.
8. The axlebox cross connect pickup truck according to claim 5, wherein: the side beams are welded by adopting mould plates to form a box girder structure, and the mould plates comprise an upper cover plate, a web plate and a lower cover plate; the cross section of the side beam is a U-shaped combined two-wing structure with the middle part lower than the two ends; the inner side of the U-shaped structure is provided with a suspension bearing platform which is integrated with the lower cover plate.
9. The axlebox cross connect pickup truck according to claim 8, wherein: and the middle parts of the upper planes of the U-shaped structures of the two side beams of the bogie frame are provided with transverse stoppers.
10. The axlebox cross connect pickup truck according to claim 8, wherein: the vertical vibration damper is arranged at the upper part of the axle box suspension device of each side beam, the lower end of the vertical vibration damper is hinged and fixed with the axle box suspension device, and the upper end of the vertical vibration damper is hinged with the side beam through a hinge seat.
CN201911326309.9A 2019-12-20 2019-12-20 Axle box cross connection type express freight car bogie Pending CN110920655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911326309.9A CN110920655A (en) 2019-12-20 2019-12-20 Axle box cross connection type express freight car bogie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911326309.9A CN110920655A (en) 2019-12-20 2019-12-20 Axle box cross connection type express freight car bogie

Publications (1)

Publication Number Publication Date
CN110920655A true CN110920655A (en) 2020-03-27

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Application Number Title Priority Date Filing Date
CN201911326309.9A Pending CN110920655A (en) 2019-12-20 2019-12-20 Axle box cross connection type express freight car bogie

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Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021120622A1 (en) * 2019-12-20 2021-06-24 中车眉山车辆有限公司 High-speed railway wagon bogie capable of independent power generation
WO2021238717A1 (en) * 2020-05-25 2021-12-02 中车眉山车辆有限公司 New railway wagon three-axle bogie with heavy axle load and full side bearing loading
CN114670887A (en) * 2022-04-12 2022-06-28 中车眉山车辆有限公司 Framework suitable for from electricity generation railway freight car bogie
RU213042U1 (en) * 2022-03-25 2022-08-22 Общество с ограниченной ответственностью "РЕЙЛ1520 АЙ ПИ"(ООО "РЕЙЛ1520 АЙ ПИ") BOOT BEAM OF A FREIGHT CAR

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021120622A1 (en) * 2019-12-20 2021-06-24 中车眉山车辆有限公司 High-speed railway wagon bogie capable of independent power generation
WO2021238717A1 (en) * 2020-05-25 2021-12-02 中车眉山车辆有限公司 New railway wagon three-axle bogie with heavy axle load and full side bearing loading
RU213042U1 (en) * 2022-03-25 2022-08-22 Общество с ограниченной ответственностью "РЕЙЛ1520 АЙ ПИ"(ООО "РЕЙЛ1520 АЙ ПИ") BOOT BEAM OF A FREIGHT CAR
RU213042U9 (en) * 2022-03-25 2022-09-15 Общество с ограниченной ответственностью "РЕЙЛ1520 АЙ ПИ"(ООО "РЕЙЛ1520 АЙ ПИ") BOOT BEAM OF A FREIGHT CAR
CN114670887A (en) * 2022-04-12 2022-06-28 中车眉山车辆有限公司 Framework suitable for from electricity generation railway freight car bogie

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