CN111016950A - Swing bolster-free framework type bogie suitable for high-speed railway wagon - Google Patents
Swing bolster-free framework type bogie suitable for high-speed railway wagon Download PDFInfo
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- CN111016950A CN111016950A CN201911415719.0A CN201911415719A CN111016950A CN 111016950 A CN111016950 A CN 111016950A CN 201911415719 A CN201911415719 A CN 201911415719A CN 111016950 A CN111016950 A CN 111016950A
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- shock absorber
- box
- shaped
- seat
- round steel
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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
- B61F5/26—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
-
- 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
- B61F3/00—Types of bogies
- B61F3/02—Types of bogies with more than one axle
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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
- B61F5/04—Bolster supports or mountings
- B61F5/08—Bolster supports or mountings incorporating rubber springs
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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
- B61F5/26—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
- B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
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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
- B61F5/26—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
- B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
- B61F5/302—Leaf springs
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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
- B61F5/26—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
- B61F5/50—Other details
- B61F5/52—Bogie frames
Abstract
The invention discloses a swing-bolster-free framework type bogie suitable for a high-speed railway wagon, which comprises a framework assembly, four sets of rotating arm type axle box positioning devices and two sets of wheel sets; the framework assembly comprises a pair of box-type side beams, two round steel cross beams, two longitudinal connecting beams and a guide pin; a secondary rubber pile mounting platform is arranged in the middle of each box-type side beam, and a secondary rubber pile spring is arranged on the secondary rubber pile mounting platform; a transverse hydraulic damper is arranged between the guide pin assembly and the two longitudinal connecting beams, and a traction pull rod assembly is arranged between the guide pin assembly and the round steel beam; an anti-snake-shaped shock absorber is arranged on the outer side of the framework; the end parts of the pair of box-type side beams are connected with two sets of wheel sets through four sets of rotating arm type axle box positioning devices; and a plurality of sets of disc-shaped braking devices are arranged between each round steel beam and the axle formed by each set of wheel pairs. The bogie can meet the requirement of the railway wagon on the running speed of 200 km/h.
Description
Technical Field
The invention relates to a truck bogie, in particular to a swing bolster-free framework type truck suitable for a high-speed railway truck.
Background
At present, the research on the express freight car bogie has a lot of progress, and most of the research focuses on the bogie meeting the running speed of 160 km/h. In order to meet the requirement of domestic railway freight, a high-speed wagon bogie meeting the maximum running speed of more than 200km/h needs to be further developed on the basis of a 160km/h bogie.
The existing fast freight car bogie adopts a welding framework type bogie, and mainly comprises three types: the positioning frame bogie of the Reynolds shock absorber with the shaking table structure, the rubber pile guide column type positioning frame bogie without the shaking table swing bolster upper arranged and the rubber spring positioning frame bogie without the shaking table swing bolster upper arranged.
Chinese patent CN 200620034959.8 (publication No. CN 200945865Y) discloses a fast railway wagon bogie, belonging to a swing-platform-free swing bolster overhead type framework bogie, wherein a primary suspension device adopts a metal liquid rubber composite spring and an axle box for positioning, a secondary suspension device between the swing bolster and the framework adopts a rubber pile spring, a normally-contacted double-acting roller elastic side bearing is adopted, and two groups of disc brakes are adopted.
Chinese patent CN 01275171.5 (publication No. CN 2517641Y) discloses a high-speed truck bogie, also belonging to a swing-platform-free bolster overhead type frame bogie, which adopts rubber spring guide pillar type positioning, and two side beams are connected together by two cross beams to form an "H" type frame, and also adopts disc brake.
The two fast-moving bogies adopt a tray type axle box positioning structure, the axle box springs adopt metal liquid rubber composite springs, the three-dimensional rigidity is difficult to match, the defects that the snakelike moving capability of the wheel set is poor, the high-speed running stability is poor, the long-term high-speed running reliability and the maintenance economy are poor and the like after abrasion due to the adoption of abrasion pieces are overcome, and the highest running speed is 160 km/h.
Chinese patent application CN 201110440779.5 (publication No. CN 102490755A) discloses a 'high-speed railway wagon bogie', which adopts a swing-bolster-free swing-arm type framework bogie and can meet the requirement of the running speed of 200km/h axle weight of 16.5 t. The two side beams of the bogie are connected with the two small beams through the central large beam, and the central large beam is arranged although the swing bolster is omitted, so that the weight and the manufacturing difficulty of the bogie are increased.
Chinese patent application CN201310681744.X (publication number CN 103661463A) discloses a high-speed railway wagon bogie, which also adopts a swing arm type framework bogie without a swing bolster and can meet the requirement of the running speed of 200 km/h. According to the bogie of the passenger car, the secondary spring adopts an air spring structure, the structure is complex, the installation and the maintenance are not convenient, and the manufacturing, the maintenance and the maintenance cost of the bogie are increased.
Disclosure of Invention
The invention aims to provide a swing bolster-free framework type bogie which is light in weight, can meet the requirement of the running speed of 200km/h and is suitable for a high-speed railway wagon.
In order to achieve the purpose, the swing-bolster-free framework type bogie suitable for the high-speed railway wagon comprises a framework assembly, four sets of swing arm type axle box positioning devices and two sets of wheel sets; the framework assembly comprises a pair of box-type side beams, two round steel cross beams, two longitudinal connecting beams and a guide pin, wherein two ends of each round steel cross beam are respectively fixed on one box-type side beam to form an H-shaped structure; the longitudinal connecting beam and the guide pin are arranged in a space enclosed by the pair of box-shaped side beams and the two round steel cross beams; the middle part of each box-type side beam is U-shaped and is called a middle U-shaped section; a secondary rubber pile mounting platform is arranged at the lower concave part of the middle U-shaped section, and a secondary rubber pile spring is arranged on the secondary rubber pile mounting platform; the top of the secondary rubber pile spring is provided with a positioning boss matched with a positioning hole on the truck body; the guide pin assembly is positioned in the middle of the pair of box-type side beams, and two sides of the guide pin assembly are respectively provided with a first transverse shock absorber mounting seat; the two longitudinal connecting beams are respectively positioned on one side formed by the guide pins, and second transverse shock absorber mounting seats are respectively arranged on the longitudinal connecting beams; each first transverse shock absorber mounting seat is connected with one second transverse shock absorber mounting seat through a transverse hydraulic shock absorber; a first traction pull rod seat is arranged at the lower part of the guide pin assembly, a second traction pull rod seat is arranged at the lower part of one round steel crossbeam, and a traction pull rod assembly is arranged between the first traction pull rod seat and the second traction pull rod seat; the outer side of the framework is provided with an anti-snake-shaped vibration absorber, and the anti-snake-shaped vibration absorber is connected with a truck body and plays roles in inhibiting snake-shaped vibration and improving the critical speed of the bogie; the end parts of the pair of box-type side beams are connected with two sets of wheel sets through four sets of rotating arm type axle box positioning devices; and a plurality of sets of disc-shaped braking devices are arranged between each round steel beam and the axle formed by each set of wheel pairs, so that the braking force of the bogie is ensured.
Preferably, each longitudinal connecting beam comprises an upper arc-shaped cover plate, a lower arc-shaped cover plate and a middle clapboard connected between the upper arc-shaped cover plate and the lower arc-shaped cover plate; the second transverse shock absorber mounting seat is arranged on the outer side of the middle of the upper arc-shaped cover plate.
Preferably, two ends of the longitudinal connecting beam are welded with the two round steel cross beams, and the outer side of the longitudinal connecting beam is welded with the box-type side beam through a rib plate.
Preferably, the middle part of one side of the longitudinal connecting beam, which is close to the guide pin assembly, is provided with a transverse stopping seat, and the middle part of one side of the round steel beam, which is not provided with the second traction pull rod seat, which is close to the guide pin assembly, is provided with a longitudinal stopping seat. The transverse stop seat and the longitudinal stop seat are used for installing flexible stops so as to limit the transverse and longitudinal displacement of the wagon body relative to the bogie.
Preferably, the round steel cross beam formed by the framework is arranged in a long-short mode, two ends of the long round steel cross beam penetrate through the two box-shaped side beams and extend outwards for a certain length, and the extending part is provided with an anti-snaking shock absorber mounting seat; one end of the anti-snake-shaped shock absorber is connected with the anti-snake-shaped shock absorber mounting seat on the round steel cross beam through the elastic spherical hinge, and the other end of the anti-snake-shaped shock absorber is connected with the anti-snake-shaped shock absorber connecting seat on the vehicle body underframe to form an anti-snake-shaped shock absorber connecting structure of the inclined strut.
Preferably, two ends of the box-type side beam are provided with an axle box spring mounting cylinder, a rotating arm seat and a vertical shock absorber mounting seat; the rotating arm type axle box positioning device comprises an axle box body, an elastic suspension system and a vertical hydraulic shock absorber, wherein the axle box body comprises a positioning rotating arm, a clamping hoop, an axle box end cover, an axle box spring bearing platform, a vertical shock absorber support and an antiskid unit adapter; the elastic suspension system is installed between the axle box spring installation barrel and the axle box spring bearing platform, the positioning rotating arm is installed on the rotating arm seat through an elastic positioning node, and the vertical hydraulic shock absorber is installed between the vertical shock absorber installation seat and the vertical shock absorber support.
Preferably, the ends of the two round steel cross beams are respectively fixed on two sides of the middle U-shaped section of the pair of box-shaped side beams.
Preferably, the traction link assembly is composed of a traction link body and a traction link node, and the traction link node is made of a composite of metal and rubber so as to release vertical and transverse movement.
Preferably, the disc brake device adopts an axle disc type brake, and comprises a brake hanging seat arranged on a round steel cross beam, a brake clamp arranged on the brake hanging seat, and a brake disc arranged on an axle formed by wheel pairs. In addition, the disc brake device also comprises a unit brake cylinder, an electronic antiskid device, a load type empty and load vehicle regulating valve and the like, adopts the conventional structure in the field, does not belong to the improvement content of the invention, and is omitted.
Preferably, the secondary rubber pile spring is a rubber steel plate laminated spring and is installed on the secondary rubber pile installation platform through a bolt. The rubber steel plate laminated spring has a sandwich structure formed by alternately laminating steel plates and rubber, and provides high vertical bearing capacity and low transverse rigidity for the bogie.
Compared with the prior art, the invention has the beneficial effects that:
1) the bogie adopts the swing bolster-free framework type bogie, and the framework forms an H-shaped structure through the two box-shaped side beams and the two round steel cross beams, so that the quality of the bogie is reduced, the structural performance is stable, and the structure is simple and convenient to manufacture and maintain.
2) The secondary spring adopts a secondary rubber stack spring structure, the rubber stack is a layered sandwich structure combined by a steel plate and rubber, large vertical rigidity and small transverse rigidity are adopted, and by utilizing multi-layer rubber combination, the secondary spring has high vertical bearing capacity and provides larger horizontal shearing displacement capacity, can realize that the small transverse rigidity improves the transverse dynamic performance of the vehicle, and has the advantages of simple structure, convenient maintenance and low cost.
3) And the second system of the bogie is additionally provided with an anti-snake-shaped shock absorber, so that snake-shaped motion of the bogie can be effectively inhibited, and the critical speed of the bogie is improved.
4) A plurality of sets of disc-shaped braking devices are adopted to provide enough braking force for the bogie, and the safe braking distance of the vehicle is ensured.
5) The bogie axle box adopts a rotating arm type positioning structure, and the rotating arm type positioning device enables the wheel pair to have proper longitudinal and transverse positioning rigidity by adjusting the rigidity of the elastic rubber node, has reliable structure, can effectively control the snaking motion of the wheel pair and the bogie, and meets the dynamic performance of high-speed running of vehicles.
6) For the reasons stated above, the truck without swing bolster framework can meet the requirement of running speed of more than 200 km/h.
Drawings
Fig. 1 is a schematic front view of a truck without a swing bolster structure according to the present invention.
Fig. 2 is a schematic top view of the truck in fig. 1 without a bolster frame.
FIG. 3 is a schematic diagram of the structure of the framework of FIG. 1.
FIG. 4 is a cross-sectional view of the secondary rubber mass of FIG. 3.
Fig. 5 is a schematic view of the connection structure of the anti-serpentine shock absorber in fig. 1.
Fig. 6 is a schematic structural view of the round steel beam in fig. 3.
Fig. 7 is a schematic structural view of the wheel set assembly of fig. 1.
Fig. 8 is a structural view of the longitudinal coupling beam of fig. 3.
Fig. 9 is a schematic structural view of the guide pin assembly of fig. 3.
Fig. 10 is a schematic structural view of the box-type side member in fig. 3.
Fig. 11 is a schematic view of a connection structure of a traction link of the truck without the bolster frame in fig. 1.
Fig. 12 and 13 are schematic structural views (different viewing angles) of the axle box positioning device in fig. 1.
In the above figures, the parts corresponding to the numbers are as follows:
the anti-snake-shaped shock absorber 110, the traction pull rod assembly 120 and the transverse hydraulic shock absorber 130;
a frame assembly 200 comprising: the structure comprises box-type side beams 210, an outer web 211, an inner web 211a, an upper cover plate 212, a lower cover plate 213, a middle U-shaped section 214, a secondary rubber pile mounting platform 214a, an axle box spring mounting cylinder 215, a vertical shock absorber mounting seat 216, a swivel arm seat 217, a positioning baffle 218, a round steel beam 220, a brake hanging seat 221, an air passage mounting seat 222, a second traction pull rod seat 223, an anti-snake shock absorber mounting seat 224, a longitudinal stop seat 225, a longitudinal connecting beam 230, an upper arc cover plate 231, a lower arc cover plate 232, a middle partition plate 233, a second transverse shock absorber mounting seat 234, a transverse stop seat 235, a guide pin assembly 240, a first transverse shock absorber mounting seat 241 and a first traction pull rod seat 242;
the secondary rubber pile spring 300 includes: a base 301, a partition plate 302, rubber 303 and a positioning umbilicus 304;
jib-type axlebox positioning device 400 includes: the device comprises an axle box body 410, an axle box end cover 411, a positioning rotating arm 420, an axle box spring bearing platform 421, an elastic suspension system 450, an inner steel spring 452, an outer steel spring 453, a primary rubber spring 454, a clamping hoop 460, a vertical hydraulic shock absorber 470, an antiskid unit adapter 480 and a vertical shock absorber support 490;
a disc brake device 600.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 13, the present embodiment provides a truck for a fast transport truck with a maximum running speed of 200km/h or more, which employs a structure without a swing bolster, and includes 1 frame assembly 200, 2 secondary rubber stacking springs 300, 4 sets of swing arm type axle box positioning devices 400, 2 sets of wheel pair assemblies 500, 6 sets of disc brake devices 600, and 2 anti-snake dampers 110.
Wherein:
as shown in fig. 3, the frame assembly is of a conventional H-shaped structure, and includes two box-type side beams 210, two round steel cross beams 220, a pair of longitudinal connecting beams 230, and a set of guide pin assemblies 240.
As shown in fig. 3 and 4, the secondary rubber stack spring 300 includes a base 301, a diaphragm 302, a rubber 303, and a positioning umbilicus 304 at the top. The bottom 301 of the secondary rubber pile spring is fastened to the secondary rubber pile mounting platform 214a of the box-type side member 210 by bolts. The partition plates 302 and the rubber 303 of the secondary rubber stack spring are arranged in a laminated manner and are shaped like a sandwich structure, so that the secondary rubber stack spring 300 has higher vertical stiffness and lower transverse stiffness. The positioning umbilicus 304 is matched with a positioning hole on the vehicle body to play a positioning role.
As shown in fig. 3 and 5, the anti-snake damper 110 is disposed at an end of the round steel beam 220 constituting the frame. One end of the anti-snake-shaped shock absorber 110 is clamped into the anti-snake-shaped shock absorber mounting seat 224 of the round steel beam and is fastened through two bolts, and the other end of the anti-snake-shaped shock absorber 110 is connected with the anti-snake-shaped shock absorber connecting seat of the vehicle body through a spherical hinge.
As shown in fig. 3 and 6, two round steel beams 220 formed by the framework sequentially penetrate through the inner and outer double webs (including the outer web 211 and the inner web 211a) of the two box-shaped side beams 210, and the round steel beams 220 are connected with the inner and outer double webs by annular welding seams. Meanwhile, each round steel beam 220 is provided with 3 braking hanging seats 221; the brake hanging seat 221 and the round steel beam 220 adopt lap welding seams which need to be polished into circular arc transition; the braking hanging seat is of a four-point positioning structure and is connected with the braking clamp through 4 bolts. Two round steel crossbeams 220, one long and one short, are welded with an anti-snake shock absorber mounting base 224 respectively at two ends of the long round steel crossbeam. In addition, the round steel beam 220 is provided with a longitudinal stopper 225 at the center, and is connected by a lap weld. An air channel mounting seat 222 is arranged on the inner side surface of the round steel beam 220, and the air channel mounting seats 222 are connected through lap welding seams. And a second traction pull rod seat 223 is arranged below one round steel crossbeam 220, and the second traction pull rod seats 223 are connected by using lap welding.
As shown in fig. 7, the wheelset assembly 500 includes 2 RC22 type axles 501 and 4 HCS type wheels 502. The diameter of the wheel is 915mm, and an LM type tread conforming to TB/T449 is adopted; the wheel material is CL60 steel, the axle material is LZ45CrV steel, and the brake disc material is vermicular cast iron or forged steel. Three brake disks 503 are mounted on the axle 501, and together with brake clamps and the like on the brake hanger 221, a disc brake device 600 is formed.
As shown in fig. 3 and 8, the longitudinal connecting beam 230 is arranged between the two round steel beams 220 and is of a plate welding structure, and is in lap welding with the two round steel beams 220 through the upper arc-shaped cover plate 231, the lower arc-shaped cover plate 232 and the middle partition plate 233, and the lap welding is subjected to polishing arc transition into a dovetail shape; a second transverse shock absorber mounting seat 234 is welded at the middle position of the arc-shaped cover plate 231 on the two longitudinal connecting beams and close to the outer side; a transverse stop seat 235 is welded on the inner side of the middle partition plate of the longitudinal connecting beam.
As shown in fig. 3 and 9, a guide pin assembly 240 is provided at the center of the frame assembly 200, the guide pin assembly 240 is a welded plate structure, and first transverse damper mounting seats 241 are provided on both side surfaces of the guide pin assembly 240, and the two transverse hydraulic dampers 130 are fastened and mounted by bolts together with the second transverse damper mounting seats 234 on the longitudinal connecting beam 230. As shown in fig. 11, the first tie rod seat 242 at the lower part of the guide pin assembly 240 is connected to the second tie rod seat 223 of a round bar beam 220 through the tie rod assembly 120. The traction pull rod assembly 120 is composed of a traction pull rod body and a traction pull rod node, and the traction pull rod node is a composite member of metal and rubber.
As shown in fig. 3 and 10, the box-type side sill includes an outer web 211, an inner web 211a, an upper panel 212, and a lower panel 213. The upper and lower arc-shaped cover plates of the box-type side beam are welded into a whole through splicing welding seams, and then welded with the outer web 211 and the inner web 211a to form a box-type structure. In this embodiment, the middle of the box-shaped side beam 210 is concave and U-shaped, and is a middle U-shaped section 214, a secondary rubber stack mounting platform 214a is welded to the bottom surface of the middle U-shaped section 214, and a splicing welding seam is adopted with the upper cover plate 212 of the box-shaped side beam, so that the secondary rubber stack spring 300 can be conveniently mounted. Journal box spring mounting cylinders 215 are arranged between upper and lower arc-shaped cover plates at both end portions of the box-type side beams 210, the lower box-type side beam cover plates 213 are provided with holes having the same inner diameter as the journal box spring mounting cylinders 215 at the same positions, and a series of journal box springs (elastic suspension systems 450) are mounted in cylindrical inner cavities formed by the journal box springs; the weighing valve mounting seat 215a is arranged above any one of the four axle box spring mounting cylinders 215 so as to mount the weighing valve, and meanwhile, the vertical shock absorber mounting seat 216 is arranged on the outer end face of the axle box spring mounting cylinder 215.
As shown in fig. 12 and 13, the rocker-arm pedestal positioning device 400 includes an axle housing 410, a resilient suspension system 450, and a vertical hydraulic damper 470. The main body of the axle box body 410 is formed by enclosing a positioning rotating arm 420 and a clamping hoop 460 and then fastening the enclosing parts through bolts. The cavity of the axle box body 410 is provided with a wheel pair bearing, the outer end of the cavity of the axle box body 410 is provided with an axle box end cover 411, and one side of the axle box body 410 is provided with an antiskid unit adapter 480 for installing an antiskid unit.
An axle box spring bearing platform 421 is arranged on the upper top surface of the rotating end of the positioning rotating arm 420, the elastic suspension system 450 is arranged between the axle box spring bearing platform 421 and the axle box spring mounting barrel 215 at the end part of the box-type side beam 210, and the vertical hydraulic damper 470 is arranged between a vertical damper support 490 arranged at the rear end of the axle box body 410 and a vertical damper mounting seat 216 at the end part of the box-type side beam 210; the fixed end of the positioning swivel arm 420 is connected with a swivel arm base 217 below the side of the middle U-shaped section 214 of the box-type side beam 210 through an elastic positioning node assembly 430.
The elastic suspension system 450 comprises an annular rubber buffer cushion, an inner steel spring 452 and an outer steel spring 453 which are pressed against the annular rubber buffer cushion in a parallel mode, and a series of rubber springs 454 which are lined in the inner steel spring 452, wherein the tops of the series of rubber springs 454 are positioned on the upper end faces of the inner steel spring 452 and the outer steel spring 453, the bottoms of the series of rubber springs 454 penetrate through the inner steel spring 452 and are positioned between a circular hole in the middle of the annular rubber buffer cushion and the bottom face of the bearing platform, and the cross section of the series of rubber springs 454 is in a T shape.
The positioning rotating arm 420 is connected with the rotating arm seat 217 of the box-type side beam 210 through a snap-in structure, two ends of an elastic positioning node of the positioning rotating arm 420 are respectively clamped into grooves on two side surfaces of the rotating arm seat 217 and are sealed by a positioning baffle plate 218, and the positioning baffle plate 218 is fastened on the rotating arm seat 217 through 2 bolts. The elastic rubber node and the rotating arm seat 217 of the box-type side beam 210 adopt a snap-in structure, the structure is simple and reliable, and the assembly process requirement is greatly improved. The end face of the positioning rotating arm 420 is provided with a lifting stop shoulder, and a wheel set lifting matched with the lifting stop shoulder is arranged on the vertical shock absorber mounting seat 216 of the box-type side beam 210.
The middle part of the clamp hoop 460 is hollowed into an infrared shaft temperature detection hole, so that the shaft temperature detection of ground equipment such as 5T and the like is facilitated, and the defect that the existing truck framework type bogie primary axle box cannot adopt an infrared temperature measurement technology during line operation is overcome. A rubber dustproof sleeve is lined between the infrared shaft temperature detection hole and the wheel set bearing, so that dust and dirt are effectively prevented from permeating from the middle part of the clamping hoop 460; the positioning rotating arm 420 and the clamp 460 are respectively sealed with the bearing rear stop by a labyrinth seal structure, so that the dustproof and oil-pollution-proof capability of the shaft box body 410 is effectively improved.
Claims (10)
1. A no-swing-bolster framework type bogie suitable for a high-speed railway wagon comprises a framework assembly (200), four sets of swing-arm type axle box positioning devices (400) and two sets of wheel pair assemblies (500); the method is characterized in that:
the framework assembly (200) comprises a pair of box-type side beams (210), two round steel cross beams (220), two longitudinal connecting beams (230) and a guide pin assembly (240), wherein two ends of each round steel cross beam (220) are respectively fixed on one box-type side beam (210) to form an H-shaped structure; the longitudinal connecting beam (230) and the guide pin assembly (240) are arranged in a space surrounded by the pair of box-shaped side beams (210) and the two round steel cross beams (220);
the middle part of each box-type side beam (210) is U-shaped and is called as a middle U-shaped section (214); a secondary rubber pile mounting platform (214a) is arranged at the lower concave part of the middle U-shaped section (214), and a secondary rubber pile spring (300) is arranged on the secondary rubber pile mounting platform (214 a); a positioning boss (304) matched with a positioning hole in the wagon body is arranged at the top of the secondary rubber pile spring (300);
the guide pin assembly (240) is positioned in the middle of the pair of box-type side beams (210), and two sides of the guide pin assembly are respectively provided with a first transverse shock absorber mounting seat (241); the two longitudinal connecting beams (230) are respectively positioned on one side of the guide pin assembly (240), and second transverse shock absorber mounting seats (234) are respectively arranged on the two longitudinal connecting beams; each first transverse damper mounting base (241) is connected with a second transverse damper mounting base (234) through a transverse hydraulic damper (130);
a first traction pull rod seat (242) is arranged at the lower part of the guide pin assembly (240), a second traction pull rod seat (223) is arranged at the lower part of one round steel crossbeam (220), and a traction pull rod assembly (120) is arranged between the first traction pull rod seat (242) and the second traction pull rod seat (223);
an anti-snake-shaped shock absorber (110) is arranged on the outer side of the framework assembly (200);
the ends of the pair of box-type side beams (210) are connected with two sets of wheel sets (500) through four sets of rotating arm type axle box positioning devices (400);
and a plurality of sets of disc-shaped braking devices (600) are arranged between each round steel beam (220) and the axle (501) of each set of wheel pair assembly (500).
2. The swing bolster-less frame bogie for high speed railway freight cars according to claim 1, wherein: each longitudinal connecting beam (230) comprises an upper arc-shaped cover plate (231), a lower arc-shaped cover plate (232) and a middle clapboard (233) connected between the upper arc-shaped cover plate and the lower arc-shaped cover plate; the second transverse shock absorber mounting seat (234) is arranged on the outer side of the middle of the upper arc-shaped cover plate (231).
3. A swing bolster-less frame bogie for high speed railway freight cars as claimed in claim 2, wherein: two ends of the longitudinal connecting beam (230) are welded with the two round steel cross beams (220), and the outer side of the longitudinal connecting beam is welded with the box-type side beam (210) through a rib plate.
4. A swing bolster-less frame bogie for high speed railway freight cars as claimed in claim 2, wherein: the middle part of one side of the longitudinal connecting beam (230) close to the guide pin assembly (240) is provided with a transverse stopping seat (235), and the middle part of one side of the round steel beam (220) close to the guide pin assembly (240) without the second traction pull rod seat (223) is provided with a longitudinal stopping seat (225).
5. A swing bolster free frame bogie for high speed railway freight cars according to any one of claims 1 to 4, characterized in that: the round steel cross beam (220) of the framework assembly (200) is arranged in a long-short mode, two ends of the long round steel cross beam (220) penetrate through the two box-type side beams (210) and extend outwards for a certain length, and the extending part is provided with an anti-snake-motion shock absorber mounting seat (224); one end of the anti-snake-shaped shock absorber (110) is connected with an anti-snake-shaped shock absorber mounting seat (224) on the round steel cross beam (220) through an elastic spherical hinge, and the other end of the anti-snake-shaped shock absorber mounting seat is connected with an anti-snake-shaped shock absorber connecting seat on the underframe of the vehicle body to form an anti-snake-shaped shock absorber connecting structure of the inclined strut.
6. A swing bolster free frame bogie for high speed railway freight cars according to any one of claims 1 to 4, characterized in that: two ends of the box-type side beam (210) are provided with an axle box spring mounting cylinder (215), a vertical shock absorber mounting seat (216) and a rotating arm seat (217); the rotating arm type axle box positioning device (400) comprises an axle box body (410), an elastic suspension system (450) and a vertical hydraulic shock absorber (470), wherein the axle box body (410) comprises a positioning rotating arm (420), a clamping hoop (460), an axle box end cover (411), an axle box spring bearing platform (421), a vertical shock absorber support (490) and an antiskid device adapter (480); the elastic suspension system (450) is installed between the axle box spring installation barrel (215) and the axle box spring bearing platform (421), the positioning rotating arm (420) is installed on the rotating arm seat (217) through the elastic positioning node assembly (430), and the vertical hydraulic shock absorber (470) is installed between the vertical shock absorber installation seat (216) and the vertical shock absorber support (490).
7. A swing bolster free frame bogie for high speed railway freight cars according to any one of claims 1 to 4, characterized in that: the ends of the two round steel cross beams (220) are respectively fixed on two sides of the middle U-shaped section (214) of the pair of box-shaped side beams (210).
8. A swing bolster free frame bogie for high speed railway freight cars according to any one of claims 1 to 4, characterized in that: the traction pull rod assembly (120) is composed of a traction pull rod body and a traction pull rod node, and the traction pull rod node is a composite piece of metal and rubber.
9. A swing bolster free frame bogie for high speed railway freight cars according to any one of claims 1 to 4, characterized in that: the disc-shaped brake device (600) adopts an axle disc type brake and comprises a brake hanging seat (221) arranged on the round steel cross beam (220), a brake clamp arranged on the brake hanging seat (221) and a brake disc (503) arranged on an axle (501) of the wheel pair assembly (500).
10. A swing bolster free frame bogie for high speed railway freight cars according to any one of claims 1 to 4, characterized in that: the secondary rubber stack spring (300) is a rubber steel plate laminated spring and is installed on the secondary rubber stack installation platform (214a) through bolts.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415719.0A CN111016950A (en) | 2019-12-31 | 2019-12-31 | Swing bolster-free framework type bogie suitable for high-speed railway wagon |
| EP20909890.4A EP4086136A4 (en) | 2019-12-31 | 2020-07-28 | Bolster-less framed bogie suitable for high-speed freight wagon |
| PCT/CN2020/105308 WO2021135198A1 (en) | 2019-12-31 | 2020-07-28 | Bolster-less framed bogie suitable for high-speed freight wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415719.0A CN111016950A (en) | 2019-12-31 | 2019-12-31 | Swing bolster-free framework type bogie suitable for high-speed railway wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111016950A true CN111016950A (en) | 2020-04-17 |
Family
ID=70201199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911415719.0A Pending CN111016950A (en) | 2019-12-31 | 2019-12-31 | Swing bolster-free framework type bogie suitable for high-speed railway wagon |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4086136A4 (en) |
| CN (1) | CN111016950A (en) |
| WO (1) | WO2021135198A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135198A1 (en) * | 2019-12-31 | 2021-07-08 | 中车长江车辆有限公司 | Bolster-less framed bogie suitable for high-speed freight wagon |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044016A (en) * | 2021-12-09 | 2022-02-15 | 中车山东机车车辆有限公司 | Welding bogie for rail engineering vehicle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863566A (en) * | 1981-10-12 | 1983-04-15 | 株式会社ブリヂストン | Pad spring device for railway rolling stock |
| DE4037672A1 (en) * | 1990-11-27 | 1992-06-04 | Man Ghh Schienenverkehr | RAIL VEHICLE |
| CN2517641Y (en) | 2001-12-17 | 2002-10-23 | 齐齐哈尔铁路车辆(集团)有限责任公司 | High speed van steering bogie |
| JP2007069820A (en) * | 2005-09-08 | 2007-03-22 | Sumitomo Metal Ind Ltd | Bogie for railway vehicle |
| CN200945865Y (en) | 2006-07-19 | 2007-09-12 | 中国南车集团眉山车辆厂 | Fast railway freight-car turning bracket |
| CN201457403U (en) * | 2009-07-17 | 2010-05-12 | 长春轨道客车股份有限公司 | Air spring truck frame without swing bolster |
| CN102923153A (en) * | 2011-08-13 | 2013-02-13 | 南车青岛四方机车车辆股份有限公司 | Bogie of high-speed motor train unit |
| CN102490755B (en) | 2011-12-23 | 2014-11-26 | 济南轨道交通装备有限责任公司 | Bogie for high-speed rail wagon |
| CN103661463B (en) | 2013-12-13 | 2016-08-31 | 齐齐哈尔轨道交通装备有限责任公司 | A kind of bogie for high-speed rail wagon |
| WO2016124023A1 (en) * | 2015-02-05 | 2016-08-11 | 中车青岛四方机车车辆股份有限公司 | High-speed rail vehicle bogie |
| CN111016950A (en) * | 2019-12-31 | 2020-04-17 | 中车长江车辆有限公司 | Swing bolster-free framework type bogie suitable for high-speed railway wagon |
-
2019
- 2019-12-31 CN CN201911415719.0A patent/CN111016950A/en active Pending
-
2020
- 2020-07-28 WO PCT/CN2020/105308 patent/WO2021135198A1/en unknown
- 2020-07-28 EP EP20909890.4A patent/EP4086136A4/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135198A1 (en) * | 2019-12-31 | 2021-07-08 | 中车长江车辆有限公司 | Bolster-less framed bogie suitable for high-speed freight wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4086136A1 (en) | 2022-11-09 |
| EP4086136A4 (en) | 2024-01-24 |
| WO2021135198A1 (en) | 2021-07-08 |
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