CN207617730U - The built-in compact bogie of axle box for railcar - Google Patents

Abstract

The built-in compact bogie of axle box for railcar belongs to the bogie device field for rail vehicle, it include two sets of driving devices, two sets of brake apparatus, two wheels to device, compact mold casting framework, compact secondary suspension system and two wheels to built-in profile shaft case apparatus, wheel includes axle to device and is arranged symmetrically in the wheel at its both ends, driving device includes traction electric machine and gear-box, and brake apparatus includes two groups of wheels to brake.The utility model substantially reduces bogie fixed wheelbase while ensureing structural strength, significantly reduce the warping rigidity of shake the head angular rigidity and the bogie of wheel pair, to reduce the radius of gyration of bogie, improve its small curve negotiation ability, the anticollision demand on horizontal shock-absorbing and curve bend can be met completely, and saved the old occupied space of horizontal buffer stopping seat.

Description

The built-in compact bogie of axle box for railcar

Technical field

The utility model belongs to the bogie device field for rail vehicle, and in particular to a kind of for railcar The built-in compact bogie of axle box.

Background technology

The framework of existing bogies for railway vehicles is typically axle box external bogie, as shown in Figure 1 to Figure 3, common Axle box external bogie be a kind of welded frame for the approximate H fonts being collectively formed by two crossbeams 1 and two curb girders 3, The basic composition of its framework includes two longerons, 2, two crossbeams 1 and is fixed on the curb girder 3 at 1 both ends of crossbeam, and six weld jointly It is connected into the framework agent structure of an approximate capital H type, each crossbeam 1 is hung including two seamless steel pipe 1-1, gear-boxes Seat 1-2, motor hanger 1-3 and one group of drawing pull bar seat 1-4, two seamless steel pipe 1-1 are parallel to each other, the spacing difference of the two By two parallel bridgings of longeron 2 and fix.Two crossbeams 1 and two longerons 2 surround to form a rectangular window mouth region jointly Domain.The rectangular window region is for accommodating and installing similar in the zigzag framework disclosed in Chinese patent CN 104442882 Heart window internally-arranged type drawing pull bar and traction seat, vertical centre axis Z parallel to each other and using bogie as rotation centerline into Row rotational symmetry is distributed, and two drawing pull bars of two groups of zigzags arrangement are hinged with corresponding drawing pull bar seat 1-4 respectively.Gear Case flap seat 1-2 and motor hanger 1-3 is respectively positioned on the outside of crossbeam 1, and one group of drawing pull bar seat 1-4 is fixed on the upper of 1 stage casing of crossbeam Just and between gear box bracket 1-2 and motor hanger 1-3.The both ends of longeron 2 are connected with two crossbeams 1 respectively, longeron 2 Upper end stage casing is equipped with the horizontal buffer stopping seat 2-1 of framework, is set there are one horizontal damper holder 2- in each 2 one end of longeron 2, horizontal buffer stopping seat 2-1 and horizontal damper holder 2-2 are directly arranged at the upper surface in framework rectangular window region, old Some horizontal buffer devices are bidirectional piston bar buffer structure, cause the framework of such H-type with framework central window can not Use sleeper beam structure.Two crossbeams 1 are pressed 180 ° of angle of circumference and are revolved each other using the vertical rotary shaft Z of framework as center of rotational symmetry Turn symmetrical, two longerons 2 are mutually rotating symmetrical with same rotation center and angle of circumference.Two horizontal damper holder 2-2 difference For installing a corresponding lateral damper.Curb girder 3 be by multi-sheets split group weld made of, cross section be rectangular section Box integral solder structure, it is air spring seat 3-1 and two cantilevers to generally include two, and two be in air spring seat 3-1 It is that air spring is coaxially connected that the two of portion's setting, which are that air spring mounting hole 3-1-1 is directly used in two, and two cantilevers distinguish positions It is the both ends of air spring mounting hole 3-1-1 in two, and stretches to form wing structure to both sides.Each cantilever includes system Dynamic flap seat 3-4, primary spring seat 3-3, wing bridge section 3-2, wheel shaft positioning seat 3-5, primary spring seat 3-3 by wing bridge section 3-2 with Two be the 3-1 connections of air spring seat, and braking flap seat 3-4 is fixed on the inside of wing bridge section 3-2, and wheel shaft positioning seat 3-5 is fixed on the wing The lower section of bridge section 3-2.Braking flap seat 3-4 is collectively formed by braking flap seat cantilever 3-4-1 and braking flap seat pedestal 3-4-2.Two systems The lateral wall of air spring seat 3-1 resists a snakelike damper flap seat 3-6 and anti-side rolling torsion rod seat 3-7 there are one being respectively fixedly connected. Two curb girders 3 are symmetrical about the integrally-built x-axis of bogie, and are respectively that air spring seat 3-1 is fixed on by respective two The both ends of two crossbeams 1.

However, the subway orbital environment that the bends such as subway are more, circuit turning radius is smaller is to the structure of bogie, strong The technical parameters such as degree, weight and smallest curve radius propose new high standards, for example, certain new subway project is set Meter require propose, the subway bogie frame under 30g equipment shock loadings, static strength be no more than yield strength 50%, The minimum curve of bogie is 36 meters by radius.And old axle box external H font welded frames as shown in Figure 1 to Figure 3, It is only capable of meeting the 100% relatively low requirement for being no more than material yield strength under 20g shock loadings, the biography of axle box external The layout that system frame construction leads to take turns the frameworks subsidiary bodies such as axle box wider to spacing, external, motor and gear-box can not be into one Step compression is compact, and the overall structure occupied space in turn resulting in bogie is big, the radius of gyration is big, quality is heavy, barycenter is high, and causes Such bogie minimum curve is at least 100 meters by radius, moreover, in order to ensure the structural strength of welded frame, steel plate Wall thickness is at least 20 millimeters, and the mean value of bogie frame overall weight is about 1.6 tons, and the axial span of two curb girder 3 is at least 1800 millimeters, these existing index parameters make traditional framework heaviness, roomy, the smallest curve radius of the axle box external It can not further reduce, cannot be satisfied the design requirement of novel subway circuit, and its weld fatigue intensity is also inevitable with the time Passage and gradually decline, it is cracked to even result in framework critical welding seams, is also unfavorable for traffic safety.

Furthermore the common framework central window internally-arranged type drawing pull bar as described in Fig. 1 to Fig. 3, horizontal buffer stopping seat 2-1 and horizontal damper holder 2-2 are respectively positioned on inside the rectangular window at bogie frame center, which makes the ruler of framework Very little further to reduce, so as to cause that can not further decrease the minimum curve of framework by radius, and two transverse directions subtract The layout type that the device that shakes is arranged on rectangular window diagonal line is usually only applicable to the larger axis of frame size and weight Case external bogie frame makes it possess more broad appurtenances layout since the structural strength of large scale framework is big Space loads torque larger suspension or boom structure.And two be that air spring seat 3-1 is directly laid out in 3 stage casing of curb girder, is made Curb girder directly bear two be air spring vertical vibration load, be unfavorable for the raising of framework service life.Resist snakelike vibration damping Device flap seat 3-6 and the equal symmetric configurations of anti-side rolling torsion rod seat 3-7 are in the outside of two sets of curb girders 3, to the intensity of framework stress structure It is required that it is larger, it is unfavorable for reducing framework weight and reduces the radius of gyration.

In addition, as shown in figure 4, the wheel of conventional rails car removes two basic wheel 6-1 and an axle 6- to device 6 Other than 2, the axis for the outboard end for generally using two conventional axle boxes 16 to be respectively arranged in corresponding axle 6-2 to device 6 is taken turns Case outlet structure, it is typically each directly fixed by the vertical circular cone metal-rubber spring or rigid spring of embedded conventional axle box 16 Bit architecture is linked with spring base 3-3, and the structure of conventional axle box 16 exposes to the outer ends axle 6-2, leads to its spacing span Larger, structure is not compact enough so that such old external axle box spacing transverse direction span is larger, and occupied space is more, is unfavorable for The raising that the minimum curve of bogie passes through performance.

For this reason, it may be necessary to redesign the built-in compact metro bogie of a novel axle box, sleeper beam structure is added simultaneously Consider drawing pull bar, lateral vibration absorbing device and two be air spring layout and assembly, to adapt to intercity subway item The new demand of mesh design.

Utility model content

It is only applicable to structural strength height, entirety in order to solve the existing axle box external bogie with central rectangular window The rail vehicles such as the EMU that quality is big, auxiliary device arrangement space is abundant and smallest curve radius is larger, in framework The frame construction of the H-type of heart window needs the traditional zigzag framework central window internally-arranged type drawing pull bar for being built in central rectangular window And traction seat causes it that two sets of outsides for being placed outside curb girder is needed to resist snakelike damper and anti-side rolling torsion rod seat and traditional zigzag Framework central window internally-arranged type drawing pull bar be used cooperatively with eliminate framework diagonally on the vibrations and along traveling side of toppling Upward snake is rocked, and thus causes the big axle box of such framework must be as wheel to outside, to cause the whole knot of bogie Structure occupied space is big, the radius of gyration is big, quality is heavy, barycenter is high, and such bogie minimum curve is caused to be at least by radius 100 meters, moreover, steel plate wall thickness needed for the weldering of its splicing group is at least 20 millimeters, the mean value of bogie frame overall weight is about 1.6 Ton, at least 1800 millimeters of the axial span of two curb girder, these existing index parameters make the biography of the axle box external Framework of uniting is heavy, roomy, and smallest curve radius can not further reduce, and cannot be satisfied the design requirement of novel subway circuit, and Its weld fatigue intensity is also inevitable to be declined over time and gradually, and it is cracked to even result in framework critical welding seams, It is unfavorable for traffic safety；And the structure of conventional axle box exposes to axle outer end, leads to its external axle box spacing transverse direction span Larger, occupied space is more, and structure is not compact enough；And old axle box external H font welded frames are only capable of meeting and be rushed in 20g 100% examination parameter of the yield strength under load no more than material is hit, traditional frame construction of axle box external makes it The technology of the design requirement of new metro project can not be met simultaneously in technical indicators such as intensity, weight and smallest curve radius Problem, the utility model provide a kind of built-in compact bogie of the axle box for railcar.

The utility model technical solution adopted for solving the technical problem is as follows：

The built-in compact bogie of axle box for railcar comprising two sets of driving devices, two sets of brake apparatus With two wheels to device, wheel includes axle to device and is arranged symmetrically in the wheel at its both ends, and driving device includes traction electricity Machine and gear-box, brake apparatus include two groups of wheels to brake, it is characterised in that：The built-in compact bogie of the axle box also wraps Compact mold casting framework, compact secondary suspension system and two wheels are included to built-in profile shaft case apparatus；

The compact mold casting framework includes crossbeam unit and two side rail elements, two side rail element parallel and symmetrical cloth The both sides of crossbeam unit are placed in, the cast technique of three is integrally formed；

The crossbeam unit is hollow rectangular box, and center is equipped with kingpin hole, and two motor hanger units are in The axis of heart pin hole is axle center, is arranged in two X axis lateral walls of crossbeam unit in rotational symmetry by the angle of circumference of degree each other On；Side rail element is hollow rectangular box comprising needle beam and two trapezoidal axle box postings in the middle part of curb girder, two trapezoidal Axle-box locating frame is symmetrically arranged in the both ends of needle beam in the middle part of curb girder, and three is integrally formed by casting technique；

Needle beam includes pantagraph current collector mounting base, sleeper beam connecting seat, two braking mounting bases, curb girder gears in the middle part of the curb girder Case flap seat and two sleeper beam backstops, seven are integrally formed by casting technique；Sleeper beam connecting seat is set to small cross in the middle part of curb girder The center of beam upper surface, pantagraph current collector mounting base are set to the center of needle beam lateral wall in the middle part of curb girder, two braking mounting bases pair It is arranged in the both sides of pantagraph current collector mounting base with claiming；

Opening down, slope surface side wall on a trapezoidal stringcourse small cross in the middle part of curb girder of the trapezoidal axle box posting Beam is connected and is integrally formed；The lower part of trapezoidal two slope surface side walls of axle box posting is equipped with coaxial horizontal perforation axle-box locating bar Axis hole；

The curb girder gear box bracket is arranged in positioned at the top of one of trapezoidal axle box posting stringcourse, and side The side wall end face of the open end of beam gear box bracket vertically another curb girder；

The each curb girder gear box bracket being located on two side rail elements, the two is using the axis of kingpin hole as axis The heart is arranged in the both sides of crossbeam unit in rotational symmetry by the angle of circumference of 180 degree each other；Two motor hanger cell distributions are in casting First and third quadrant of framework are made, and two curb girder gear box brackets are distributed in second and fourth quadrant of casting framework, often One side rail element is provided only with a sleeper beam backstop, and sleeper beam backstop is located at it and corresponds to needle beam and trapezoidal axle-box locating in the middle part of curb girder Above the interconnecting piece of both frames；Sleeper beam backstop on two side rail elements is located at the third and fourth quadrant of casting framework；

The side wall of traction electric machine motor hanger unit corresponding with one is connected, and gear-box passes through its gear-box screw rod Connecting seat curb girder gear box bracket corresponding with one is connected；

The wheel to built-in profile shaft case apparatus include trapezoidal axle box, two groups of ridge-shaped rubber spring pieces composition, positioning drawbar, Two rubber spring piece positioning checkpoints and semi-circular axle box anticollision gasket；The bottom in the stage casing and trapezoidal axle box of the positioning drawbar Face is flexibly connected；Two groups of ridge-shaped rubber spring piece compositions are parallel solid by a corresponding rubber spring piece positioning checkpoint respectively It is connected on a stringcourse of trapezoidal axle box；The lower end of rubber spring piece positioning checkpoint is connected with the upper bottom end of trapezoidal axle box, rubber The top that glue spring positioning clamp is made up of corresponding one group of ridge-shaped rubber spring piece its claw is along trapezoidal axle box Stringcourse lateral wall is to oblique outer side compression；The bottom of ridge-shaped rubber spring piece composition is seated on the pedestal of trapezoidal axle box；

The cross section of the trapezoidal axle box is isosceles trapezoid, and the center of trapezoidal axle box is equipped with the axle pilot hole of perforation；Make It is equipped with clamp installation screw for the top of the lateral wall of two stringcourses of trapezoidal axle box, the bottom of lateral wall is equipped with extension pedestal； Vertical anticollision backstop is equipped in the middle part of the upper bottom of trapezoidal axle box；Axle pilot hole outer diameter positioned at trapezoidal axle box inner side end is equipped with Semiorbicular anticollision gasket mounting base is equipped with round anticollision positioned at the axle pilot hole outer diameter of trapezoidal axle box end face outside and stops Gear；The middle part of rubber spring piece positioning checkpoint is connected by bolt and clamp installation screw；The both ends of positioning drawbar are inserted into respectively One corresponding axle-box locating bar axis hole is simultaneously connected with trapezoidal axle box posting；

The compact secondary suspension system includes lateral damper, homonymy externally positioned type double drawing pull bar, two hyperbolic capsules Air spring, compact sleeper beam, double bend anti-side rolling torsion rod and two vertical dampers, the compact sleeper beam include sleeper beam base Body, horizontal buffer, sleeper beam core cylinder, two drawing pull bar free bearings, two vertical damper pedestals, two anti-side rolling torsion rod seats, Two framework connection pedestals, two air spring mounting bases and two play flap seat, and sleeper beam matrix is rectangular configuration, and two are played flap seat It is fixed on the both ends of sleeper beam matrix；Sleeper beam core cylinder is vertically fixed on the center of sleeper beam matrix lower face, and horizontal buffer is fixed on The center of sleeper beam matrix upper surface；Two drawing pull bar free bearings are symmetrically fixed on the both ends of sleeper beam matrix same long side, each A vertical damper pedestal is the groove structure of upward opening, recess sidewall drawing pull bar hinge corresponding with one in the outer part Seat madial wall is connected；

Described two framework connection pedestals are symmetrically arranged in the bottom of sleeper beam matrix, framework with the central plane of sleeper beam matrix The distance values for connecting pedestal to the central plane of sleeper beam matrix are spacing of its homonymy flap seat to the central plane of sleeper beam matrix The half of value, the length of framework connection pedestal are two times of the width of sleeper beam matrix；Two air spring mounting bases are with sleeper beam base The central plane of body is symmetrically arranged in the upper end of sleeper beam matrix；Air spring mounting base be located at its closed on framework connection pedestal and Vertical damper pedestal is between the two；Each anti-side rolling torsion rod seat is fixed on a corresponding air spring mounting base outer diameter Edge, described two anti-side rolling torsion rod seats are respectively positioned on the side where an other long side for sleeper beam matrix；

The double bend anti-side rolling torsion rod includes two clamp connection seats, double bend horizontal long axis and the rolling of two vertical anti-side Torsion bar, two clamp connection seat symmetric coaxials are fixed on the horizontal segment both ends of double bend horizontal long axis, and each clamp connection seat is equal Anti-side rolling torsion rod seat corresponding with one is connected；Two vertical anti-side rolling torsion rods are right with one of double bend horizontal long axis both ends respectively Elbow is answered to be connected, two vertical anti-side rolling torsion rods are parallel and arrange upwards；

The piston rod both ends of the lateral damper are equipped with rubber nodal point, and one end of lateral damper piston rod is equipped with band Inclination angle is welded to connect pedestal, and the other end is equipped with lateral damper body end connecting seat；It is with angle be welded to connect pedestal with The framework connection pedestal of drawing pull bar side and the sleeper beam matrix lateral wall closed on are welded and are connected；Homonymy is external The stock both ends of the double drawing pull bars of type are equipped with rubber nodal point, the rubber that one end of a drawing pull bar passes through a Y direction Node drawing pull bar free bearing corresponding with one is horizontally hinged, and the other end passes through the rubber nodal point of Y direction and another Corresponding drawing pull bar free bearing and vehicle bottom vertical connection；

The vertical hinge of vertical damper pedestal corresponding with one, two hyperbolic capsules are empty respectively for described two vertical dampers Air spring mounting base corresponding with one is coaxially connected gas spring respectively.

The sleeper beam matrix of the compact secondary suspension system, two drawing pull bar free bearings, two vertical subtracts sleeper beam core cylinder Shake device pedestal, two anti-side rolling torsion rod seats, two frameworks connection pedestals, that two air spring mounting bases and two play flap seats is logical Casting integrated molding is crossed, the total weight of sleeper beam matrix is 460 kilograms, and casting wall thickness is 16 millimeters；Described two framework linkers The spacing of the vertical central plane of seat is 1095 millimeters；The spacing of two vertical central planes of drawing pull bar free bearing is 2370 millimeters； The spacing of two vertical central planes of vertical damper pedestal is 2010 millimeters；Two vertical central planes of anti-side rolling torsion rod seat Spacing is 1573 millimeters；The spacing of two framework connection vertical central planes of pedestal is 1116 millimeters；Two air spring installations The axis spacing of seat is 1556 millimeters；Two spacing for playing the vertical central plane of flap seat are 2340 millimeters.

The horizontal buffer includes pedestal square box, two groups of width adjustment pieces, two rubber shock-absorbing cushion blocks and two set of solder Backing plate, each described rubber shock-absorbing cushion block and a corresponding width adjustment piece are sequentially solid with a side wall of pedestal square box Even, two rubber shock-absorbing cushion blocks are mutually symmetrical；Other two side wall end face of pedestal square box solder pads corresponding with one respectively Plate welding is connected；The upper and lower edge of solder backing plate is respectively formed filler gap with the upper end cover of pedestal square box and corresponding side wall respectively； The lower end of pedestal square box is connected with the center weld of sleeper beam matrix upper surface.

The damping rubber block of the rubber shock-absorbing cushion block is sat up straight by transverse metal shell and is synthesized with rubber block vulcanization, and rubber subtracts The end of shake cushion block is protruded outward from the open end that transverse metal shell is sat up straight, and distance value outstanding is 1 centimetre.

The large span long rod structure that the drawing pull bar piston rod of the double drawing pull bars of the homonymy externally positioned type is 920 millimeters, The two is towards the positive direction of framework X-axis；With angle is welded to connect pedestal perpendicular to the sleeper beam matrix lateral wall closed on, and Be welded to connect pedestal and the angle of perpendicular with angle is 30 degree；Where two elbows of the double bend anti-side rolling torsion rod Plane tilts down, and the angle with perpendicular is 65 degree.

The steel plate wall thickness of the crossbeam unit and two side rail elements is 16 millimeters, and the span between two side rail elements is 1165 millimeters.

The stringcourse of the trapezoidal axle box and the angle of bottom are 79 degree；Two trapezoidal axle boxes on same axle Spacing is 1165 millimeters；The cross section of the lateral wall is V-shaped symmetrical, that middle part is connected, in V-shaped cross section Bicker degree is 106 degree.

Each ridge-shaped rubber spring piece of ridge-shaped rubber spring piece composition be cross section be it is symmetrical, The connected V-shaped in middle part, length, width and angle of dehiscing match with the end face outside of lateral wall；Multiple ridge-shaped rubbers The stacking of glue spring leaf, which is connected, forms a ridge-shaped rubber spring piece composition；Positioned at innermost layer ridge-shaped rubber spring piece with it is right The lateral wall matching answered fastens.

The utility model has the beneficial effects that：

The compact sleeper beam of the utility model for realizing car body and compact mold casting framework connection, the two it is hollow Cast structure can substantially loss of weight, the built-in axle of compact mold casting framework need to pacify completely while ensureing structural strength Loaded on the inside in trapezoidal axle box posting, to form a kind of built-in bogie layout structure of completely new axle box, due to this The curb girder spacing of compact mold casting framework is small, light-weight, causes its structure size and structural strength that significant changes occur；This is new Type framework is integrally formed by casting technique, only remains columnar center key seat in the geometric center of framework, but eliminate The middle part rectangular window formed, horizontal damper holder and framework transverse direction backstop are surrounded jointly by two crossbeams and two longerons Therefore equal original structures can substantially reduce bogie fixed wheelbase, two side rail elements while ensureing structural strength Between span be 1165 millimeters, significantly reduce wheel pair shake the head angular rigidity and bogie warping rigidity, to reduce turn To the radius of gyration of frame, its small curve negotiation ability is improved.

The new arrangement that horizontal buffer is located at sleeper beam overcentre effectively overcomes because compact mold casting framework reduces Arrangement space and cancel the problem of old horizontal damper holder caused by its center rectangular window has not existed, meanwhile, newly The horizontal buffer of design is small, intensity is high, is inserted into after the matching groove of vehicle body bottom frame, can meet laterally subtract completely Anticollision demand in shake and curve bend, and saved the old occupied space of horizontal buffer stopping seat.

The large span long rod structure that the drawing pull bar piston rod of the double drawing pull bars of homonymy externally positioned type is 920 millimeters, the two Towards the positive direction of framework X-axis；With angle is welded to connect pedestal perpendicular to the sleeper beam matrix lateral wall closed on, and band inclines The be welded to connect pedestal and the angle of perpendicular at angle are 30 degree, can make lateral damper become take into account vertical Z-direction and The bidirectional damping buffer unit of longitudinal Y direction, and the old length of lateral damper has substantially been saved, promote layout structure Compactedness.

Compared with being arranged vertically within the old zigzag drawing pull bar in bogie pivot center rectangular window, the utility model cloth The double drawing pull bars of the large span that is placed on the outside of framework, which are equivalent to, to be become larger-sized by entire compact sleeper beam and novel is pulled Rod structure, due to being significantly increased for torque so that the drawing pull bar structure can more effectively transmit stress.Two tractions are drawn The layout type for the X-direction that bar is advanced towards train can effectively inhibit the effect that car body rocks before and after the X-direction of traveling side Fruit.Plane where two elbows of double bend anti-side rolling torsion rod tilts down, can be by car body before the X-direction advanced Vertical shaking moment forms resultant force and transmits in torque and vertical Z-direction afterwards, is passing through the rubber in clamp connection seat respectively Glue node and the rubber nodal point of vertical anti-side rolling torsion rod end carry out energy-absorbing buffering, in two system of another angle auxiliary hyperbolic capsule The cushioning effect of air spring.The design enables compact sleeper beam and its attached damping part substantially saving device layout While space, good comprehensive damping, buffering effect is still played.Sleeper beam matrix is that the rectangular plate-like of casting and forming is close Sylphon structure is closed, contributes to loss of weight while ensureing structural strength, and be simultaneously double as the intake adit of compressed air Bent capsule air spring air feed；In addition, compared with dead weight is at least traditional subway power truck of 8 tonnes of same passenger carrying capacities, The built-in compact bogie of axle box of the railcar of the utility model and its whole appurtenances, which are integrally conducted oneself with dignity, is only about 5.5 Ton, therefore, substantially while saving traction power, is also effectively reducing the abrasion between track and wheel tread, To effectively extend the design service life of wheel pair and track.

With being on the increase for city underground circuit, underground line will not on the ground be built in addition with intersecting for circuit to increasing The influence for the ground built, the sweep on the following subway line will necessarily constantly reduce, the railcar of the utility model The built-in compact bogie of axle box will solve the vehicle that subway line sweep constantly becomes smaller and causes and run well Problem.

Description of the drawings

Fig. 1 is the dimensional structure diagram of old axle box external H-type welded frame；

Fig. 2 is the upward view of old axle box external H-type welded frame；

Fig. 3 is dimensional structure diagram of the old axle box external H-type welded frame under another visual angle；

Fig. 4 is dimensional structure diagram of the old wheel to device；

Fig. 5 is structural schematic diagram of the utility model for the built-in compact bogie of axle box of railcar；

Fig. 6 is the explosion assembling schematic diagram of Fig. 5；

Fig. 7 is the structural schematic diagram that the compact mold casting of the utility model is framed under perspective view；

Fig. 8 is the vertical view of the compact mold casting framework of the utility model；

Fig. 9 is the partial enlarged view of the parts I in Fig. 7；

Figure 10 is two wheel of the utility model to built-in profile shaft case apparatus and a wheel to the assembling schematic diagram of device；

Figure 11 is structural schematic diagram of the utility model wheel to built-in profile shaft case apparatus；

Figure 12 is the dimensional structure diagram of the trapezoidal axle box of the utility model；

Figure 13 is structural schematic diagram of the trapezoidal axle box of the utility model under another perspective view；

Figure 14 is the front view of the trapezoidal axle box of the utility model；

Figure 15 is the explosion assembling schematic diagram of Figure 11；

Figure 16 is the front view of the utility model ridge-shaped rubber spring piece composition；

Figure 17 is two wheels to built-in profile shaft case apparatus and a wheel to the assembling schematic diagram of device and side rail element；

Figure 18 is the partial enlarged view of the parts Figure 17 figure II；

Figure 19 is the dimensional structure diagram of the utility model compact secondary suspension system；

Figure 20 is the front view of the utility model compact secondary suspension system；

Figure 21 is the vertical view of the utility model compact secondary suspension system；

Figure 22 is the explosion assembling schematic diagram of Figure 19；

Figure 23 is the dimensional structure diagram in the case where looking up visual angle of the utility model compact secondary suspension system；

Figure 24 is the dimensional structure diagram of the utility model horizontal buffer；

Figure 25 is explosion assembling schematic diagram of the utility model horizontal buffer under perspective view；

Figure 26 is the stereogram of the utility model double bend anti-side rolling torsion rod；

Figure 27 is the explosion assembling schematic diagram of Figure 19；

Figure 28 is the right view of Figure 19；

Figure 29 is the assembling schematic diagram of the utility model compact mold casting framework and compact secondary suspension system.

Specific implementation mode

The utility model is described in further details below in conjunction with the accompanying drawings.

As shown in Fig. 4 to Figure 29, the built-in compact bogie of the axle box for railcar of the utility model includes Two sets of driving devices, 14, two sets of brake apparatus 15 and two wheels are to device 6, compact mold casting framework, compact secondary suspension system System and two wheels are to built-in profile shaft case apparatus 7.It includes the axle 6-2 and wheel 6- for being arranged symmetrically in its both ends to take turns to device 6 1, driving device 14 includes traction electric machine 14-1 and gear-box 14-2, and brake apparatus 15, to brake, is used including two groups of wheels Conventional hydraulic block brake.

Compact mold casting framework includes crossbeam unit 4 and two side rail elements 5, two 5 parallel and symmetrical cloth of side rail element The both sides of crossbeam unit 4 are placed in, the cast technique of three is integrally formed.

Crossbeam unit 4 be hollow rectangular box, center be equipped with kingpin hole 4-1, two motor hanger unit 4-2 with The axis of kingpin hole 4-1 is axle center, is arranged in two X-axis of crossbeam unit 4 in rotational symmetry by the angle of circumference of 180 degree each other On outside side wall.Side rail element 5 is hollow rectangular box comprising needle beam 5-1 and two trapezoidal axle boxes are fixed in the middle part of curb girder Position frame 5-2, two trapezoidal axle box posting 5-2 are symmetrically arranged in the both ends of needle beam 5-1 in the middle part of curb girder, and three is by founder Skill is integrally formed.

Needle beam 5-1 includes pantagraph current collector mounting base 5-1-1, sleeper beam connecting seat 5-1-2, two braking mounting bases in the middle part of curb girder 5-1-3, curb girder gear box bracket 5-1-4 and two sleeper beam backstop 5-1-5, seven are integrally formed by casting technique.Sleeper beam Connecting seat 5-1-2 is set to the center of the upper surfaces needle beam 5-1 in the middle part of curb girder, and pantagraph current collector mounting base 5-1-1 is set in curb girder The center of portion's needle beam 5-1 lateral walls, two braking mounting base 5-1-3 are symmetrically arranged at the two of pantagraph current collector mounting base 5-1-1 Side.

Trapezoidal axle box posting 5-2's is opening down, the small cross in the middle part of curb girder of the slope surface side wall on a trapezoidal stringcourse Beam 5-1 is connected and is integrally formed.The lower part of two slope surface side walls of trapezoidal axle box posting 5-2 is equipped with coaxial horizontal perforation axle box Locating rod axis hole 5-2-1.

Curb girder gear box bracket 5-1-4 is arranged in positioned at the top of one of trapezoidal axle box posting 5-2 stringcourse, and And the side wall end face of the open end of curb girder gear box bracket 5-1-4 vertically another curb girder.

Each curb girder gear box bracket 5-1-4 on two side rail elements 5, the two is with the axis of kingpin hole 4-1 Line is axle center, is arranged in the both sides of crossbeam unit 4 in rotational symmetry by the angle of circumference of 180 degree each other.It is flat with XY axis shown in Fig. 8 Face rectangular coordinate system is as basis of reference, if the rectangular area in the upper right corner dot o is first quartile, the right angle in the upper left corners dot o Region is the second quadrant, and sequentially the third and fourth quadrant of recursion counterclockwise, then：Two 4-2 points of motor hanger units It is distributed in first and third quadrant of casting framework, and two curb girder gear box bracket 5-1-4 are distributed in the second He of casting framework Fourth quadrant, each side rail element 5 are provided only with a sleeper beam backstop 5-1-5, and sleeper beam backstop 5-1-5 is located at it and corresponds in curb girder Above the interconnecting piece of both portion needle beam 5-1 and trapezoidal axle box posting 5-2.Sleeper beam backstop 5-1-5 on two side rail elements 5 It is located at the third and fourth quadrant of casting framework.

The side wall of traction electric machine 14-1 motor hanger unit 4-2 corresponding with one is connected, and gear-box 14-2 passes through its tooth Roller box screw rod connecting seat 14-2-1 curb girder gear box bracket 5-1-4s corresponding with one is connected.

Wheel includes trapezoidal axle box 7-1 to built-in profile shaft case apparatus 7, two groups of ridge-shaped rubber spring piece composition 7-2, positions and drag Bar 7-3, two rubber spring piece positioning checkpoint 7-4 and semi-circular axle box anticollision gasket 7-5.Position stage casing and the ladder of drawbar 7-3 The bottom surface of shape axle box 7-1 is flexibly connected.Two groups of ridge-shaped rubber spring piece composition 7-2 pass through a corresponding rubber bullet respectively On the parallel stringcourse for being fixed on trapezoidal axle box 7-1 of reed positioning checkpoint 7-4.The lower end of rubber spring piece positioning checkpoint 7-4 It is connected with the upper bottom end of trapezoidal axle box 7-1, rubber spring piece positioning checkpoint 7-4 is by its claw by corresponding one group of ridge-shaped Rubber spring piece form the top of 7-2 along trapezoidal axle box 7-1 stringcourse lateral wall to oblique outer side compression.Ridge-shaped rubber spring piece The bottom of composition 7-2 is seated on the pedestal of trapezoidal axle box 7-1.

The cross section of trapezoidal axle box 7-1 is isosceles trapezoid, and the center of trapezoidal axle box 7-1 is equipped with the axle pilot hole 7- of perforation 1-1.The top of lateral wall 7-1-2 as two stringcourses of trapezoidal axle box 7-1 is equipped with clamp installation screw 7-1-2-1, outside The bottom of wall 7-1-2 is equipped with extension pedestal 7-1-2-2.Vertical anticollision backstop 7-1-4 is equipped in the middle part of the upper bottom of trapezoidal axle box 7-1. Axle pilot hole 7-1-1 outer diameters positioned at trapezoidal axle box 7-1 inner side ends are equipped with semiorbicular anticollision gasket mounting base 7-1- 3, the axle pilot hole 7-1-1 outer diameters for being located at trapezoidal axle box 7-1 end face outsides are equipped with round anticollision backstop 7-1-5.Rubber bullet The middle part of reed positioning checkpoint 7-4 is connected by bolt and clamp installation screw 7-1-2-1.Position the both ends difference of drawbar 7-3 It is inserted into a corresponding axle-box locating bar axis hole 5-2-1 and is connected with trapezoidal axle box posting 5-2.

Compact secondary suspension system includes 9, two lateral damper 8, the double drawing pull bars of homonymy externally positioned type hyperbolic capsules skies Gas spring 10, compact sleeper beam 11, double bend anti-side rolling torsion rod 12 and two vertical dampers 13, compact sleeper beam 11 include pillow Beam matrix 11-1, horizontal buffer 11-2, sleeper beam core cylinder 11-3, two drawing pull bar free bearing 11-4, two vertical damper bases Seat 11-5, two anti-side rolling torsion rod seat 11-6, two framework connection pedestal 11-7, two air spring mounting base 11-8 and two Flap seat 11-9 is played, sleeper beam matrix 11-1 is rectangular plate-like sylphon structure, contributes to loss of weight while ensureing structural strength, and It is simultaneously 10 air feed of hyperbolic capsule air spring as the intake adit of compressed air.Two are played flap seat 11-9 and are fixed on sleeper beam matrix The both ends of 11-1.Sleeper beam core cylinder 11-3 is vertically fixed on the center of the lower faces sleeper beam matrix 11-1, and horizontal buffer 11-2 is connected Center in the upper surfaces sleeper beam matrix 11-1.It is long that two drawing pull bar free bearing 11-4 are symmetrically fixed on sleeper beam matrix 11-1 sames The both ends on side, each vertical damper pedestal 11-5 are the groove structure of upward opening, recess sidewall in the outer part with One corresponding drawing pull bar free bearing 11-4 madial wall is connected.

Two framework connection pedestal 11-7 are symmetrically arranged in sleeper beam matrix 11-1's with the central plane of sleeper beam matrix 11-1 Bottom, the distance values that framework connects pedestal 11-7 to the central plane of sleeper beam matrix 11-1 are that its homonymy plays flap seat 11-10 to pillow The length of the half of the distance values of the central plane of beam matrix 11-1, framework connection pedestal 11-7 is the width of sleeper beam matrix 11-1 Two times.Two air spring mounting base 11-8 are symmetrically arranged in sleeper beam matrix 11-1's with the central plane of sleeper beam matrix 11-1 Upper end.Air spring mounting base 11-8 be located at its closed on framework connection both pedestal 11-7 and vertical damper pedestal 11-5 it Between.Each anti-side rolling torsion rod seat 11-6 is fixed on a corresponding air spring mounting base 11-8 radial outer edge, and two anti- Side rolling torsion rod seat 11-6 is respectively positioned on the side where an other long side of sleeper beam matrix 11-1.

Double bend anti-side rolling torsion rod 12 includes two clamp connection seat 12-1, double bend horizontal long axis 12-3 and two vertical Anti-side rolling torsion rod 12-2, two clamp connection seat 12-1 symmetric coaxials are fixed on the horizontal segment two of double bend horizontal long axis 12-3 End, each clamp connection seat 12-1 anti-side rolling torsion rod seat 11-6 corresponding with one are connected.Anti-side rolling torsion rod 12-2 two vertical It is connected respectively with a corresponding elbow at the both ends double bend horizontal long axis 12-3, anti-side rolling torsion rod 12-2 two vertical is parallel and equal Arrangement upwards.The upper end of vertical anti-side rolling torsion rod 12-2 is hinged with vehicle bottom.

The both ends of lateral damper 8 are equipped with rubber nodal point, and one end of lateral damper is equipped with angle be welded to connect Pedestal 8-1, the other end are equipped with lateral damper body end connecting seat 8-2.The pedestal 8-1 that is welded to connect with angle is drawn with traction The framework connection pedestal 11-7 of 9 side of bar and the sleeper beam matrix 11-1 lateral walls closed on are welded and are connected.Homonymy The stock both ends of externally positioned type pair drawing pull bar 9 are equipped with rubber nodal point, and one end of a drawing pull bar 9 passes through a Y direction Rubber nodal point drawing pull bar free bearing 11-4 corresponding with one it is horizontally hinged, the rubber section that the other end passes through a Y direction Point drawing pull bar free bearing 11-4 corresponding with another and vehicle bottom vertical connection.

Two vertical dampers 13 vertical hinges of vertical damper pedestal 11-5 corresponding with one respectively, two hyperbolic capsules Air spring mounting base 11-8's air spring 10 corresponding with one is coaxially connected respectively.

Sleeper beam matrix 11-1, sleeper beam core cylinder 11-3, two drawing pull bar free bearing 11-4, two of compact secondary suspension system A vertical damper pedestal 11-5, two anti-side rolling torsion rod seat 11-6, two framework connection pedestal 11-7, two air spring peaces It fills seat 11-8 and two is played flap seat 11-10 by casting integrated molding, the total weight of sleeper beam matrix 11-1 is 460 kilograms, casting Wall building thickness is 16 millimeters.The spacing of two framework connection vertical central planes of pedestal 11-7 is 1095 millimeters.Two drawing pull bars The spacing of the vertical central planes of free bearing 11-4 is 2370 millimeters.The spacing of two vertical central planes of vertical damper pedestal 11-5 It is 2010 millimeters.The spacing of two vertical central planes of anti-side rolling torsion rod seat 11-6 is 1573 millimeters.Two frameworks connect pedestal The spacing of the vertical central planes of 11-7 is 1116 millimeters.The axis spacing of two air spring mounting base 11-8 is 1556 millimeters. Two spacing for playing the vertical central planes of flap seat 11-10 are 2340 millimeters.

Horizontal buffer 11-2 includes pedestal square box 11-2-1, two groups of width adjustment piece 11-2-2, two Rubber shock-absorbing pads Block 11-2-3 and two set of solder backing plate 11-2-4, each rubber shock-absorbing cushion block 11-2-3 and a corresponding width adjustment piece 11-2-2 is sequentially connected with a side wall of pedestal square box 11-2-1, and two rubber shock-absorbing cushion block 11-2-3 are mutually symmetrical.Base Solder backing plate 11-2-4 welding corresponding with one is connected respectively for other two side wall end face of seat square box 11-2-1.Solder backing plate The upper and lower edge of 11-2-4 is respectively formed filler gap with the upper end cover of pedestal square box 11-2-1 and corresponding side wall respectively.Pedestal side The lower end of box 11-2-1 is connected with the center weld of the upper surfaces sleeper beam matrix 11-1.

The damping rubber block of rubber shock-absorbing cushion block 11-2-3 sits up straight 11-2-3-1 and rubber block 11-2- by transverse metal shell 3-2 vulcanization synthesis, the open end of 11-2-3-1 is sat up straight outward in the end of rubber shock-absorbing cushion block 11-2-3 from transverse metal shell Prominent, distance value outstanding is 1 centimetre.Transverse metal shell is sat up straight 11-2-3-1 and is hit to the high intensity more than stroke-limit To position-limiting action, the rubber block 11-2-3-2 to protect it internal is from destroying.Horizontal buffer 11-2 is located in sleeper beam Square new arrangement effectively overcomes because axle box built-in ground iron casting bogie 4 reduces arrangement space and cancels wherein in the heart Not the problem of old horizontal buffer stopping seat 2-1 has not existed caused by heart rectangular window, meanwhile, newly-designed transverse direction is slow It rushes that device 11-2 is small, intensity is high, be easy to make and install, be inserted into after the matching groove of vehicle body bottom frame, can expire completely Anticollision demand on sufficient horizontal shock-absorbing and curve bend, and substantially saved the occupied space of old horizontal buffer.

The large span long rod structure that the drawing pull bar piston rod of homonymy externally positioned type pair drawing pull bar 9 is 920 millimeters, the two Towards the positive direction of framework X-axis.The with angle pedestal 8-1 that is welded to connect perpendicular to the sleeper beam matrix 11-1 lateral walls closed on, And be welded to connect pedestal 8-1 and the angle of perpendicular with angle is 30 degree.The design makes lateral damper 8 as taking into account The bidirectional damping buffer unit of vertical Z-direction and longitudinal Y direction, and the old length of lateral damper has substantially been saved, Promote the compactedness of layout structure.Compared with being arranged vertically within the old zigzag drawing pull bar in bogie pivot center rectangular window, The utility model is arranged in the large span on the outside of framework pair drawing pull bar 9 and is equivalent to becomes size by entire compact sleeper beam 11 The novel rod structure that is pulled of bigger, due to being significantly increased for torque so that the drawing pull bar structure can be transmitted more effectively Stress.Two drawing pull bars play inhibit car body before and after the X-direction of traveling side to a certain extent towards same direction The effect rocked.

Plane where two elbows of double bend anti-side rolling torsion rod 12 tilts down, and the angle with perpendicular is 65 Degree.The structure can be by car body along vertical shaking force rectangle in the front and back torque and vertical Z-direction of the X-direction advanced It is transmitted at resultant force, is passing through the rubber of rubber nodal point and the ends vertical anti-side rolling torsion rod 12-2 in clamp connection seat 12-1 respectively Node carries out energy-absorbing buffering, to realize that auxiliary vertical damper and hyperbolic capsule two are subtracting for air spring 10 in another angle Shake effect.Hyperbolic capsule two is that the FD1330-80 type hyperbolics capsule two that air spring 10 selects contitech company to produce is air bullet Spring.

The steel plate wall thickness of crossbeam unit 4 and two side rail elements 5 is 16 millimeters, and the span between two side rail elements 5 is 1165 millimeters.

The stringcourse of trapezoidal axle box 7-1 and the angle of bottom are 79 degree.Two trapezoidal axle boxes on same axle 6-2 The spacing of 7-1 is 1165 millimeters.The cross section of lateral wall 7-1-2 is V-shaped symmetrical, that middle part is connected, and V-shaped is cross-section The angle of dehiscing in face is 106 degree.

Ridge-shaped rubber spring piece composition 7-2 each ridge-shaped rubber spring piece be cross section be it is symmetrical, The connected V-shaped in middle part, length, width and end face outside of the angle with lateral wall 7-1-2 of dehiscing match.Multiple ridges The stacking of shape rubber spring piece, which is connected, forms a ridge-shaped rubber spring piece composition 7-2.Positioned at the ridge-shaped rubber bullet of innermost layer Reed is matched with corresponding lateral wall 7-1-2 and is fastened.

When the built-in compact bogie of the axle box for railcar of concrete application the utility model, horizontal buffer Subtracting in 11-2, double bend anti-side rolling torsion rod 12, vertical damper 13, lateral damper 8, homonymy externally positioned type pair drawing pull bar 9 Cylinder damping device general in the industry can be used in the motor unit that shakes.

As shown in Fig. 6 and Figure 29, gear-box 14-2 is coaxially fitted on the given positions axle 6-2 first, then will Two sets of trapezoidal axle box 7-1 are coaxially pressed by bearing and axle 6-2, then are respectively completed wheel to other on built-in profile shaft case apparatus 7 The assembling of component and to the ends axle 6-2 be pressed wheel 6-1, then by two sets complete it is pre-assembled after power wheel to mechanism divide It Zhuan Ru not be on side rail element 5 in corresponding four trapezoidal axle box posting 5-2.By traction electric machine 14-1 and motor hanger unit 4- 2, which are connected and are rotated coaxially with the stage casing of axle 6-2, connect, hereafter, by the adjacent side of the axially outer side of gear-box 14-2 Needle beam 5-1 madial walls are laterally connected in the middle part of beam, then the upper end of gear-box 14-2 and curb girder gear box bracket 5-1-4 is vertical solid Even, and by the both ends for positioning drawbar 7-3 it is connected respectively with corresponding framework locating rod axis hole 5-2-1.Hereafter, two sets are made respectively Dynamic device 15 is attached by the mounting base on the corresponding side rail element 5 of bolt, and is adjusted between brake shoe and wheel 6-1 Gap.

Then, by the sleeper beam core cylinder 11-3 of 11 lower section of compact sleeper beam by wearing away in sleeve and 4 center of crossbeam unit Heart pin hole 4-1 Fitted Axles connect, and respectively by two frameworks connection pedestal 11-7 of 11 lower section of compact sleeper beam and 3 stage casing pair of curb girder The sleeper beam connecting seat 5-1-2 answered is by the secondary cooperation of side bearing friction, hereafter, by horizontal buffer 11-2, double bend anti-side rolling torsion rod 12, double drawing pull bar 9 is corresponding to the docking structure on car body respectively connects for vertical damper 13, lateral damper 8, homonymy externally positioned type It connects, you can the compact mold casting framework of car body and the utility model is realized by the compact secondary suspension system of the utility model The two connects, and while substantially saving device layout space, still plays good comprehensive damping, buffering effect.

Claims (6)

1. the built-in compact bogie of axle box for railcar comprising two wheels are to device (6), two sets of driving devices (14) and two sets of brake apparatus (15), wheel includes axle (6-2) and the wheel (6- for being arranged symmetrically in its both ends to device (6) 1), driving device (14) includes traction electric machine (14-1) and gear-box (14-2), and brake apparatus (15) includes two groups of wheels to braking Device, it is characterised in that：The bogie further includes compact mold casting framework, compact secondary suspension system and two wheels to internally-arranged type Axle box device (7)；

The compact mold casting framework includes crossbeam unit (4) and two side rail elements (5), two side rail elements (5) it is parallel and The both sides of crossbeam unit (4) are symmetrically arranged in, the cast technique of three is integrally formed；

The crossbeam unit (4) is hollow rectangular box, and center is equipped with kingpin hole (4-1), two motor hanger units (4-2) is arranged in crossbeam unit in rotational symmetry by the angle of circumference of 180 degree each other using the axis of kingpin hole (4-1) as axle center (4) on two X axis lateral walls；Side rail element (5) is hollow rectangular box comprising needle beam (5-1) in the middle part of curb girder With two trapezoidal axle box postings (5-2), two trapezoidal axle box postings (5-2) are symmetrically arranged in needle beam (5- in the middle part of curb girder 1) both ends, three are integrally formed by casting technique；

Needle beam (5-1) includes pantagraph current collector mounting base (5-1-1), sleeper beam connecting seat (5-1-2), two brakings in the middle part of the curb girder Mounting base (5-1-3), curb girder gear box bracket (5-1-4) and two sleeper beam backstops (5-1-5), seven by casting technique one It is body formed；Sleeper beam connecting seat (5-1-2) is set to the center of upper surface needle beam (5-1) in the middle part of curb girder, pantagraph current collector mounting base (5- 1-1) be set to the center of needle beam (5-1) lateral wall in the middle part of curb girder, two braking mounting bases (5-1-3) be symmetrically arranged at by Flow the both sides of device mounting base (5-1-1)；

The trapezoidal axle box posting (5-2) it is opening down, slope surface side wall on a trapezoidal stringcourse is small in the middle part of curb girder Crossbeam (5-1) is connected and is integrally formed；The lower part of two slope surface side walls of trapezoidal axle box posting (5-2) is equipped with coaxial level and passes through Axis case locating rod axis hole (5-2-1)；

The curb girder gear box bracket (5-1-4) is arranged in positioned at the top of one of trapezoidal axle box posting (5-2) stringcourse End, and the side wall end face of the open end of curb girder gear box bracket (5-1-4) vertically another curb girder；

The each curb girder gear box bracket (5-1-4) being located on two side rail elements (5), the two is with kingpin hole (4- 1) axis is axle center, is arranged in the both sides of crossbeam unit (4) in rotational symmetry by the angle of circumference of 180 degree each other；Two motors Flap seat unit (4-2) is distributed in first and third quadrant of casting framework, and two curb girder gear box brackets (5-1-4) are distributed in Second and fourth quadrant of framework are cast, each side rail element (5) is provided only with a sleeper beam backstop (5-1-5), sleeper beam backstop (5-1-5) is located at it and corresponds to the interconnecting piece top of needle beam (5-1) and both trapezoidal axle box postings (5-2) in the middle part of curb girder；Two Sleeper beam backstop (5-1-5) on a side rail element (5) is located at the third and fourth quadrant of casting framework；

The side wall motor hanger unit (4-2) corresponding with one of the traction electric machine (14-1) is connected, and gear-box (14-2) is logical Its gear-box screw rod connecting seat (14-2-1) curb girder gear box bracket (5-1-4) corresponding with one is crossed to be connected；

The wheel to built-in profile shaft case apparatus (7) include trapezoidal axle box (7-1), two groups of ridge-shaped rubber spring pieces composition (7-2), Position drawbar (7-3), two rubber spring piece positioning checkpoints (7-4) and semi-circular axle box anticollision gasket (7-5)；The positioning is dragged The stage casing of bar (7-3) is flexibly connected with the bottom surface of trapezoidal axle box (7-1)；Two groups of ridge-shaped rubber spring piece compositions (7-2) point Not by the parallel stringcourse for being fixed on trapezoidal axle box (7-1) of a corresponding rubber spring piece positioning checkpoint (7-4)；Rubber The lower end of glue spring positioning clamp (7-4) is connected with the upper bottom end of trapezoidal axle box (7-1), rubber spring piece positioning checkpoint Corresponding one group of ridge-shaped rubber spring piece is formed the top of (7-2) along trapezoidal axle box (7-1) by (7-4) by its claw Stringcourse lateral wall is to oblique outer side compression；The bottom of ridge-shaped rubber spring piece composition (7-2) is seated the bottom of trapezoidal axle box (7-1) On seat；

The cross section of the trapezoidal axle box (7-1) is isosceles trapezoid, and the center of trapezoidal axle box (7-1) is equipped with the axle assembly of perforation Hole (7-1-1)；The top of lateral wall (7-1-2) as trapezoidal axle box (7-1) two stringcourses is equipped with clamp installation screw (7- 1-2-1), the bottom of lateral wall (7-1-2) is equipped with extension pedestal (7-1-2-2)；It is equipped with and hangs down in the middle part of the upper bottom of trapezoidal axle box (7-1) To anticollision backstop (7-1-4)；Axle pilot hole (7-1-1) outer diameter positioned at trapezoidal axle box (7-1) inner side end is equipped with semi-ring The anticollision gasket mounting base (7-1-3) of shape is located on axle pilot hole (7-1-1) outer diameter of trapezoidal axle box (7-1) end face outside Equipped with round anticollision backstop (7-1-5)；The middle part of rubber spring piece positioning checkpoint (7-4) passes through bolt and clamp installation screw (7-1-2-1) is connected；Positioning drawbar (7-3) both ends be inserted into respectively a corresponding axle-box locating bar axis hole (5-2-1) and with Trapezoidal axle box posting (5-2) is connected；

The compact secondary suspension system includes lateral damper (8), homonymy externally positioned type double drawing pull bar (9), two hyperbolics Capsule air spring (10), compact sleeper beam (11), double bend anti-side rolling torsion rod (12) and two vertical dampers (13), it is described tight The type sleeper beam (11) that gathers includes sleeper beam matrix (11-1), horizontal buffer (11-2), sleeper beam core cylinder (11-3), two drawing pull bar hinges Seat (11-4), two vertical damper pedestals (11-5), two anti-side rolling torsion rod seats (11-6), two framework connection pedestal (11- 7), two air spring mounting bases (11-8) and two flap seats (11-9), sleeper beam matrix (11-1) are rectangular configuration, and two are risen Flap seat (11-9) is fixed on the both ends of sleeper beam matrix (11-1)；Sleeper beam core cylinder (11-3) is vertically fixed under sleeper beam matrix (11-1) The center of end face, horizontal buffer (11-2) are fixed on the center of the upper surface sleeper beam matrix (11-1)；Two drawing pull bar free bearings (11-4) is symmetrically fixed on the both ends of sleeper beam matrix (11-1) same long side, each vertical damper pedestal (11-5) is The groove structure of upward opening, recess sidewall drawing pull bar free bearing (11-4) madial wall corresponding with one in the outer part are connected；

Described two framework connection pedestals (11-7) are symmetrically arranged in sleeper beam matrix with the central plane of sleeper beam matrix (11-1) The bottom of (11-1), the distance values that framework connects pedestal (11-7) to the central plane of sleeper beam matrix (11-1) are lifted by crane for its homonymy For seat (11-9) to the half of the distance values of the central plane of sleeper beam matrix (11-1), the length of framework connection pedestal (11-7) is pillow Two times of the width of beam matrix (11-1)；Two air spring mounting bases (11-8) are with the central plane pair of sleeper beam matrix (11-1) Claim the upper end for being arranged in sleeper beam matrix (11-1)；Air spring mounting base (11-8) is located at its closed on framework connection pedestal (11- 7) and vertical damper pedestal (11-5) is between the two；Each anti-side rolling torsion rod seat (11-6) is fixed on a corresponding sky Gas spring mounting base (11-8) radial outer edge, described two anti-side rolling torsion rod seats (11-6) are respectively positioned on the another of sleeper beam matrix (11-1) Side where an outer long side；

The double bend anti-side rolling torsion rod (12) includes two clamp connection seats (12-1), double bend horizontal long axis (12-3) and two A vertical anti-side rolling torsion rod (12-2), two clamp connection seat (12-1) symmetric coaxials are fixed on double bend horizontal long axis (12-3) Horizontal segment both ends, each clamp connection seat (12-1) anti-side rolling torsion rod seat (11-6) corresponding with one be connected；It is two vertical Anti-side rolling torsion rod (12-2) is connected with a corresponding elbow at the both ends double bend horizontal long axis (12-3) respectively, two vertical anti-side Rolling torsion bar (12-2) is parallel and arranges upwards；

The piston rod both ends of the lateral damper (8) are equipped with rubber nodal point, and one end of lateral damper piston rod is equipped with band Inclination angle is welded to connect pedestal (8-1), and the other end is equipped with lateral damper body end connecting seat (8-2)；Welding with angle The sleeper beam matrix that connection pedestal (8-1) connect pedestal (11-7) and close on a framework of drawing pull bar (9) side (11-1) lateral wall, which welds, to be connected；The stock both ends of the double drawing pull bars (9) of homonymy externally positioned type are equipped with rubber nodal point, one The horizontal hinge of rubber nodal point drawing pull bar free bearing (11-4) corresponding with one that one end of drawing pull bar (9) passes through a Y direction It connects, the other end passes through rubber nodal point drawing pull bar free bearing (11-4) corresponding with another of a Y direction and vehicle bottom Vertical connection；

Described two vertical dampers (13) vertical hinge of vertical damper pedestal (11-5) corresponding with one respectively, two double Air spring mounting base (11-8) corresponding with one is coaxial connected respectively for bent capsule air spring (10)；

The large span long rod structure that the drawing pull bar piston rod of the double drawing pull bars (9) of the homonymy externally positioned type is 920 millimeters, secondly Person is towards the positive direction of framework X-axis；It is with angle to be welded to connect pedestal (8-1) perpendicular to the sleeper beam matrix (11-1) closed on outside Side wall, and be welded to connect pedestal (8-1) and the angle of perpendicular with angle is 30 degree；The double bend anti-side rolling torsion rod (12) plane where two elbows tilts down, and the angle with perpendicular is 65 degree；

The steel plate wall thickness of the crossbeam unit (4) and two side rail elements (5) is 16 millimeters, between two side rail elements (5) Span is 1165 millimeters.

2. being used for the built-in compact bogie of axle box of railcar as described in claim 1, it is characterised in that：It is described tight Gather the sleeper beam matrix (11-1) of type secondary suspension system, sleeper beam core cylinder (11-3), two drawing pull bar free bearings (11-4), two hang down To damper pedestal (11-5), two anti-side rolling torsion rod seats (11-6), two framework connection pedestals (11-7), two air springs By casting integrated molding, the total weight of sleeper beam matrix (11-1) is 460 for mounting base (11-8) and two flap seats (11-9) Kilogram, casting wall thickness is 16 millimeters；The spacing of described two framework connection pedestal (11-7) vertical central planes is 1095 millimeters； The spacing of two vertical central planes of drawing pull bar free bearing (11-4) is 2370 millimeters；Two vertical damper pedestals (11-5) are hung down It it is 2010 millimeters to the spacing of central plane；The spacing of two vertical central planes of anti-side rolling torsion rod seat (11-6) is 1573 millis Rice；The spacing of two framework connection pedestal (11-7) vertical central planes is 1116 millimeters；Two air spring mounting base (11- 8) axis spacing is 1556 millimeters；Two spacing for playing flap seat (11-9) vertical central plane are 2340 millimeters.

3. being used for the built-in compact bogie of axle box of railcar as claimed in claim 1 or 2, it is characterised in that：Institute It includes pedestal square box (11-2-1), two groups of width adjustment pieces (11-2-2), two Rubber shock-absorbing pads to state horizontal buffer (11-2) Block (11-2-3) and two set of solder backing plates (11-2-4), each described rubber shock-absorbing cushion block (11-2-3) and a corresponding width It spends trimmer (11-2-2) to be sequentially connected with a side wall of pedestal square box (11-2-1), two rubber shock-absorbing cushion block (11-2- 3) it is mutually symmetrical；Other two side wall end face of pedestal square box (11-2-1) solder backing plate (11-2-4) corresponding with one respectively Welding is connected；The upper and lower edge of solder backing plate (11-2-4) respectively with the upper end cover of pedestal square box (11-2-1) and corresponding side wall It is respectively formed filler gap；The lower end of pedestal square box (11-2-1) is connected with the center weld of the upper surface sleeper beam matrix (11-1).

4. being used for the built-in compact bogie of axle box of railcar as claimed in claim 3, it is characterised in that：The rubber The damping rubber block of glue damping cushion (11-2-3) sits up straight (11-2-3-1) and rubber block (11-2-3-2) by transverse metal shell Vulcanization synthesis, the open end of (11-2-3-1) is sat up straight outward in the end of rubber shock-absorbing cushion block (11-2-3) from transverse metal shell Prominent, distance value outstanding is 1 centimetre.

5. being used for the built-in compact bogie of axle box of railcar as described in claim 1, it is characterised in that：The ladder The stringcourse of shape axle box (7-1) and the angle of bottom are 79 degree；Two trapezoidal axle boxes (7-1) on same axle (6-2) Spacing be 1165 millimeters；The cross section of the lateral wall (7-1-2) is V-shaped symmetrical, that middle part is connected, V-shaped The angle of dehiscing in cross section is 106 degree.

6. the built-in compact bogie of the axle box for railcar as described in claim 1 or 5, it is characterised in that：Institute Each the ridge-shaped rubber spring piece for stating ridge-shaped rubber spring piece composition (7-2) is that cross section is symmetrical, middle part Connected V-shaped, length, width and end face outside of the angle with lateral wall (7-1-2) of dehiscing match；Multiple ridge-shapeds The stacking of rubber spring piece, which is connected, forms a ridge-shaped rubber spring piece composition (7-2)；Positioned at the ridge-shaped rubber bullet of innermost layer Reed is matched with corresponding lateral wall (7-1-2) and is fastened.