CN213799624U - Vehicle frame - Google Patents

Abstract

The utility model belongs to the technical field of the rail transit, especially, relate to a frame. The frame comprises a base frame, the base frame comprises a main longitudinal beam, a plurality of center pin holes are formed in the main longitudinal beam at intervals, the center pin holes and the center pins are arranged in a one-to-one correspondence mode, the lower ends of the center pins penetrate through the corresponding center pin holes in a movable mode, the lower ends of the center pins are connected with a swing bolster, the swing bolster is located below the base frame, and a plurality of elastic pieces are arranged between the swing bolster and the main longitudinal beam. The utility model discloses can improve the stress level of frame, improve the fatigue life of frame.

Description

Vehicle frame

Technical Field

The utility model belongs to the technical field of the rail transit, especially, relate to a frame.

Background

The suspension type rail transit system adopts a box-shaped section rail beam with an opening at the bottom, a vehicle frame runs below the rail beam, and the vehicle frame and the rail beam are connected by a bogie.

In the prior art, the swing bolster of the bogie is mostly located above the frame, the upper end of the center pin of the central suspension device movably penetrates through the swing bolster, and the lower end of the center pin of the central suspension device is connected with the frame located below the bogie.

In the course of implementing the present invention, the applicant has found that there are at least the following disadvantages in the prior art:

in the prior art, the assembly mode of the center pin and the frame can cause the stress concentration at the joint of the center pin and the frame, so that the reduction of the overall fatigue performance of the frame is reduced, and therefore, the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a frame to the core pin that the connected mode of the core pin that the central suspension device's among the solution prior art center pin and frame caused concentrates with the junction stress of frame, the technical problem of the whole fatigue performance of reduction frame that brings.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a vehicle frame, the frame includes basic frame, basic frame includes the main longitudinal grider, the interval is provided with a plurality of king pin holes on the main longitudinal grider, king pin hole and king pin one-to-one set up, the lower extreme activity of king pin passes the correspondence the king pin hole, the lower extreme of king pin is connected with the bolster, the bolster is located basic frame's below, the bolster with be provided with a plurality of elastic components between the main longitudinal grider.

Furthermore, the main longitudinal beam is provided with support box girders corresponding to the center pin holes, the center pin hole is formed in the middle of each support box girder, and the plurality of elastic pieces are arranged between the swing bolster and the support box girders.

Still further, the elastic members are provided in four numbers, and the four elastic members are spaced around a central axis of the center pin hole of the center pin.

Furthermore, the supporting box girder comprises a top plate, a supporting plate and a connecting plate, the top plate and the supporting plate are arranged oppositely, the periphery of the top plate is connected with the periphery of the supporting plate through the connecting plate to form a box-shaped structure, the top plate and the supporting plate are provided with center pin holes for center pins to pass through, the main longitudinal beam fixedly passes through the connecting plate, and the box-shaped structure is divided into two cavities by the main longitudinal beam.

Further, the supporting box girder further comprises a first reinforcing plate, a second reinforcing plate and a third reinforcing plate, wherein each reinforcing plate is arranged in the cavity and is transversely arranged, the cavity is divided into two cavities and each cavity is internally provided with the second reinforcing plate and the third reinforcing plate, the second reinforcing plate and the third reinforcing plate are of a cross structure, the bottom of the second reinforcing plate and the bottom of the third reinforcing plate are provided with notches, the supporting plate is provided with avoiding holes corresponding to the notches, and the upper end of the elastic part is correspondingly connected to one notch through an elastic part seat.

Further, every the elastic component seat all includes bottom plate and elastic support navel, the elastic support navel is fixed to be set up the middle part of the bottom surface of bottom plate, the bottom plate is fixed to be set up on the breach that corresponds, the hole of dodging that the fagging set up was passed to the elastic support navel, the upper end of elastic component is connected on the elastic support navel.

Furthermore, both sides of the second reinforcing plate and the third reinforcing plate at the notch are inclined planes, and the elastic umbilical part is in a frustum shape.

Furthermore, the frame also comprises two stopping assemblies arranged in the supporting box girder, each stopping assembly comprises two transverse stopping assemblies and two longitudinal stopping assemblies, the two transverse stopping assemblies are arranged on the two transverse sides of the center pin, the two longitudinal stopping assemblies are arranged on the two longitudinal sides of the center pin, and the two longitudinal stopping assemblies are arranged on the two longitudinal sides of the center pin.

Further, the transverse stoppers are vertically provided with two layers.

Furthermore, the longitudinal two sides of the bottom of the supporting box girder are both bent downwards to form bent parts, and each bent part is provided with a rotary stop.

The utility model has the advantages that:

the utility model discloses a vehicle frame, this vehicle frame includes basic frame, basic frame includes the main longitudinal grider, the interval is provided with a plurality of center pin holes on the main longitudinal grider, center pin hole and center pin one-to-one set up, the center pin hole that corresponds is passed in the lower extreme activity of center pin, the lower extreme of center pin is connected with the bolster, the bolster is located basic frame's below, be provided with a plurality of elastic components between bolster and the main longitudinal grider, the basic frame of center pin and frame does not have lug connection like this, and through the setting of elastic component, make center pin and frame form flexonics, the rigid impact influence that the center pin among the prior art and the basic frame lug connection of frame brought has been avoided, in order to improve the stress level of frame, improve the fatigue life of frame.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a suspended rail transit system according to an embodiment of the present invention;

FIG. 2 is a schematic illustration of the vehicle of FIG. 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic structural view of the truck of FIG. 2;

FIG. 5 is a schematic structural view of the framework of FIG. 4;

FIG. 6 is a schematic view of the drive mechanism of FIG. 4;

FIG. 7 is a schematic illustration of the construction of the bolster of FIG. 4;

FIG. 8 is an internal schematic view of the bolster of FIG. 7;

FIG. 9 is a schematic structural view of the first web of FIG. 8;

FIG. 10 is a schematic view of the mounting of the spring mount;

FIG. 11 is a schematic view of the central suspension of FIG. 4;

FIG. 12 is a side view schematic of FIG. 10;

FIG. 13 is a schematic structural view of the vehicle frame of FIG. 1;

FIG. 14 is a schematic view of the support box girder of FIG. 13 with the top plate removed;

fig. 15 is a schematic structural view of the supporting box girder of fig. 13 with the bracing plate removed.

In the drawings: a track beam-a, a pier column-b, an integrated unit-c, a vehicle frame-100, a bogie-200, an electric traction device-300, a driving mechanism-1, a guide wheel-2, a stabilizing wheel-3, a framework-4, an upper chord beam-41, a brake hanging seat 410, a longitudinal baffle-411, a safety rope seat-412, a connecting beam-42, a first motor mounting block-421, a second motor mounting block 422, a first thread hole-423, a lower chord beam-43, a second thread hole-431, a central beam-44, a buckle plate-441, a wheel set mounting seat-45, a responder mounting seat-46, a current collector mounting seat-47, a pin bush-48, an abrasion plate-49, a swing bolster-5, an upper cover plate-51, a lower cover plate-52, a second web plate-53, a first web plate-54, an arc plate-541, a splicing seam-542, a pin sleeve-56, a longitudinal stop-57, a first elastic supporting seat 58, a bottom plate-581, an elastic supporting navel-582, a second rib plate-59, a third rib plate-510, a first rib plate-511, a central suspension device-6, a center pin-61, a swing damper-62, a vertical damper-63 elastic piece-64, a transverse stop-65, a connecting pin-66, a backing plate-67, a limit cap-68, a longitudinal stop-69, a safety rope-7, a current collector-8, a brake disc-9, a basic frame 10, a traveling wheel-11, a gear box-12, a brake disc mounting seat-13, a coupler-14, a traction motor 15 and a gear box bolt-16, the main longitudinal beam-17, the center pin hole-18, the supporting box beam 19, the top plate-191, the supporting plate-192, the connecting plate-193, the first reinforcing plate-194, the second reinforcing plate-195, the third reinforcing plate-196, the second elastic element seat-20, the bending part-21, the rotation stop-22, the first cross beam-23, the side longitudinal rod-24, the connecting rod-25, the second cross beam-26, the lock-27 and the connecting seat-28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a suspension type track traffic system.

Fig. 1 is the utility model discloses a suspension type track traffic system's of embodiment structural schematic diagram, combines fig. 1, and this system includes vehicle and track roof beam a, and track roof beam a supports through pier stud b, and the vehicle includes frame 100 and a plurality of bogie 200, and a plurality of bogie 200 can walk on track roof beam a, relies on a plurality of bogie 200 to connect between frame 100 and the track roof beam a, under the drive of bogie 200, can drive frame 100 and move below track roof beam a.

With reference to fig. 1, in an embodiment of the present invention, the bottom of the frame 100 may be provided with an integrated unit c, which may be a train or a container with goods, so as to drive the train or the container to move, thereby completing the transportation of passengers or goods.

Fig. 2 is a schematic structural view of the vehicle in fig. 1, and fig. 3 is a schematic top view of fig. 2. With reference to fig. 2 and 3, a vehicle according to an embodiment of the present invention includes a frame 100 and a bogie 200, and an electric traction device 300 is provided on the frame 2.

Fig. 4 is a schematic structural diagram of the bogie in fig. 2, and in combination with fig. 4, the bogie of the embodiment of the present invention includes a driving mechanism 1, a guide wheel 2, a stabilizing wheel 3, a frame 4, a bolster 5, a central suspension device 6, a safety rope 7, a current collector 8, and a brake disc 9.

Fig. 5 is a schematic structural diagram of the framework in fig. 4, and with reference to fig. 5, the framework 4 of this embodiment includes an upper chord beam 41, a lower chord beam 43 and a connection beam 42, the upper chord beam 41 and the lower chord beam 43 are vertically and relatively disposed, and the connection beams 42 disposed at a plurality of intervals are connected between the upper chord beam 41 and the lower chord beam 43, so that the framework 4 of the bogie of the embodiment of the present invention is a vertically extending structure, and compared with the structure of a bogie in the prior art, the transverse dimension of the bogie can be reduced, so as to reduce the structural dimension of the bogie, reduce the weight of the bogie, and further reduce the structural dimensions of the pier columns of the track beam and the support track beam, and reduce the amount of steel, so as to achieve the purpose of reducing the line construction cost.

With reference to fig. 5, in the embodiment of the present invention, a transponder mounting seat 46 and a current collector mounting seat 47 are provided at an interval on the top of the upper chord beam 41, the current collector 8 is installed on the current collector mounting seat 47, and a transponder is installed on the transponder mounting seat 46.

Referring to fig. 5, in the present embodiment, longitudinal stoppers 411 are provided at both longitudinal ends of the upper chord member 41, and when the longitudinal stoppers 411 contact stoppers provided on the rail beam, the bogie stops.

With reference to fig. 5, in the embodiment of the present invention, the two connecting beams 42 are provided, two connecting beams 42 are relatively disposed at the two ends of the upper chord beam 41 and the lower chord beam 43, and the middle portion of the upper chord beam 41 and the middle portion of the lower chord beam 43 are connected by two opposite central beams 44, so as to reinforce the structure, thus the whole frame is formed into a structure shaped like a Chinese character 'mu'.

Further, in the embodiment of the present invention, both ends of the upper chord beam 41 can be welded or fixedly connected to the top middle of the connecting beam 42 by an integrated forming method, both ends of the lower chord beam 43 are bent upwards to form a bending portion, and the bending portion at both ends of the lower chord beam 43 can also be fixedly connected to the bottom middle of the connecting beam 42 by a welding or integrated forming method, so as to enlarge the vertical dimension of the component and provide an installation space for the installation of other components.

Referring to fig. 5, in the embodiment of the present invention, a buckle plate 441 is further disposed between each of the center beams 44 and the lower chord beams 43 to further strengthen the structure between the center beams 44 and the lower chord beams 43.

Further, with reference to fig. 5, the buckle plate 441 of the embodiment of the present invention is disposed at the joint of the central beam 44 and the lower chord beam 43, and the two buckle plates 441 corresponding to the central beam 44 can be symmetrically disposed opposite to each other.

Fig. 6 is the structural schematic diagram of actuating mechanism in fig. 4, combine fig. 4-fig. 6, the utility model discloses actuating mechanism 1 along vertically having set gradually a plurality ofly, actuating mechanism 1 and tie-beam 42 one-to-one set up, every actuating mechanism 1 all includes traction motor 15, gear box 12 and walking wheel 11, traction motor 15 is fixed to be set up on the tie-beam 42 that corresponds with actuating mechanism 1, traction motor 15's output and gear box 12's input are connected, gear box 12 fixed connection is on last chord member 41, gear box 12 has two outputs, two outputs of gear box 12 are along horizontal setting, all correspond on every output of gear box 12 and be provided with a walking wheel 11.

In particular, in the embodiment of the present invention, two driving mechanisms 1 and two connecting beams 42 are correspondingly provided.

With reference to fig. 4-6, in this embodiment, the connecting beam 42 may be square, the inner side of the side portion of the connecting beam 42 is provided with a first motor mounting block 421, the inner side of the top portion of the connecting beam 42 is provided with a second motor mounting block 422, the traction motor 15 of the driving mechanism 1 of the bogie is fixedly disposed inside the connecting beam 42 through the first motor mounting block 421 and the second motor mounting block 422, the bottom portion of the upper chord beam 41 is provided with two wheel set mounting seats 45, and the guide wheel and the stabilizing wheel of each driving mechanism 1 of the bogie are correspondingly mounted on one wheel set mounting seat 45.

With reference to fig. 6, the output end of the traction motor 15 of the embodiment of the present invention is connected to the input end of the gear box 12 through the shaft coupling 14, the brake disc mounting seat 13 is disposed on the shaft coupling 14, and the brake disc 9 is mounted on the brake disc mounting seat 13.

With reference to fig. 4-6, in the embodiment of the present invention, the braking hanging seat 410 is disposed at the bottom of the upper beam 41 at an interval, the braking device is installed on the braking hanging seat 410, and the output end of the braking device acts on the brake disc 9, so as to achieve the purpose of braking the output of the traction motor 15.

Referring to fig. 4 to 6, in the embodiment of the present invention, the top surface of the gear case 12 of each driving mechanism 1 may be fixedly connected to the bottom of the upper chord member 41 by a plurality of gear case bolts 16 to assemble the driving mechanism 1 on the frame 4.

With reference to fig. 4 and 5, in the embodiment of the present invention, the bottom of the upper chord beam 41 is provided with the wheel set mounting seat 45 corresponding to the driving mechanism, the lateral sides of each wheel axle mounting seat 45 are provided with a set of auxiliary wheels, the auxiliary wheels include the stabilizing wheel 3 located at the upper end and the guide wheel 2 located at the lower end, and the guide wheel 2 and the stabilizing wheel 3 are matched with the corresponding track of the track beam a to improve the stability of the vehicle during operation.

Further, in the embodiment of the present invention, the span between the stabilizing wheels 3 on both sides of each axle mounting seat 45 is smaller than the span between the guide wheels 2 on both sides, so as to facilitate the vehicle to smoothly pass through the curved path.

With reference to fig. 4 and 5, in the embodiment of the present invention, the connecting beam 42 and the lower chord 43 are both hollow structures, the connecting beam 42 is provided with the first threading hole 423, the lower chord 43 is provided with the second threading hole 431, the connecting beam 42 and the lower chord 43 play a role of a wire slot, and the wire slot is used for guiding the pipeline on the bogie 200 to the frame 100, so as to avoid the pipeline touching the track beam.

Combine fig. 4 and fig. 5, the utility model discloses it is provided with two safety rope seats 412 still to separate on the lower chord beam 43, and safety rope seat 412 and the setting of safety rope 7 one-to-one, and the mid-mounting of safety rope 7 is on the safety rope seat 412 that corresponds, and the both ends of safety rope 7 can be followed framework lower chord beam top and frame below and passed, plays the guard action to the safety accident that the core pin, the connecting pin fracture of following arouses to the security when improving the vehicle operation.

Further, with reference to fig. 5, two safety rope seats 412 according to the embodiment of the present invention may be disposed on the opposite sides of the two buckle plates 441.

With reference to fig. 5, in the embodiment of the present invention, a through hole is formed in the middle of the lower chord beam 43, a pin sleeve 48 is fixedly disposed in the through hole, and a wear plate 49 is disposed on the lower chord beam 43, and the wear plate 49 is located outside the through hole and between the two central beams 44.

With reference to fig. 4, the utility model discloses a swing bolster 5 hangs at the middle part of lower chord 43 through central suspension device 6, wherein, central suspension device 6 includes king pin 61, the upper end of king pin 61 is provided with spacing cap 610, spacing cap is located wearing plate 49, pin bush 48 is passed through to the upper end of king pin 61, and through the effect of spacing cap, make the upper end of king pin 61 hang on lower chord 43, swing bolster 5 connects the lower extreme at king pin 61, and swing bolster 5 is located the below of frame 100, can connect the vehicle with the bogie.

Fig. 7 is a schematic structural diagram of the swing bolster in fig. 4, and with reference to fig. 7, the utility model discloses a swing bolster 5 is located the below of the framework 4 of bogie, and the middle part of swing bolster 5 is provided with the connecting hole along the vertical, and the lower extreme of core pin 61 is rotationally connected in the connecting hole to realize the connection of core pin 61 with swing bolster 5.

The embodiment of the utility model provides an in, the upper end of core pin 61 can be little clearance fit with pin bushing 48 to hang and establish on framework 4's lower chord beam 43, again because the bolster 5 is spacing to core pin 61 lower extreme, can reduce the length of core pin 61, with the amplitude of oscillation that reduces core pin 61, and then the amplitude of oscillation that can reduce the frame, with the opening size that reduces the track roof beam, reach and reduce pier stud structural dimension, with the purpose that reaches reduction pier stud and track roof beam weight.

Fig. 8 is an internal structure diagram of the bolster in fig. 7, and with reference to fig. 7 and 8, the bolster 5 of the embodiment of the present invention includes an upper cover plate 51, a lower cover plate 52 and a web, the upper cover plate 51 and the lower cover plate 52 are vertically disposed relatively, the periphery of the upper cover plate 51 and the periphery of the lower cover plate 52 are connected by the web to form a box-shaped structure, and a through hole for passing the center pin 61 is provided in the middle of the upper cover plate 51.

Referring to fig. 7, the upper cover plate 51 and the lower cover plate 52 according to the embodiment of the present invention are narrowed at the middle of the longitudinal sides thereof to reduce the weight of the bolster 5.

Further, combine fig. 7 and 8, the web of the embodiment of the present invention includes first web 54 and second web 53, first web 54 is waist shape, the length direction of this waist shape is vertical, first web 54 is provided with two, two first webs 54 set up between upper cover plate 51 and lower cover plate 52 along horizontal relative, second web 53 through a plurality of intervals setting between two first webs 54 connects, this kind of mode of setting is under guaranteeing that bolster 5 has sufficient joint strength, accomplish the lightweight.

With reference to fig. 7 and 8, the second web 53 of the embodiment of the present invention is divided into two sets of plates along the longitudinal direction, the middle portion of each second web 53 is provided with a coaxial mounting hole, a connecting pin 66 is installed in the mounting hole, the lower end of the center pin 61 is disposed between the two sets of second webs 53, and the middle portion of the connecting pin 66 rotatably passes through the lower end of the center pin 61, so as to realize the rotatable connection between the lower end of the center pin 61 and the swing bolster 5.

Further, with reference to fig. 4, 7 and 8, the utility model discloses can be provided with the round pin sleeve 56 in the mounting hole, the round pin sleeve 56 in the mounting hole that corresponds is passed in the both ends of connecting pin 66 is fixed, and reducible core pin 61 is to the wearing and tearing of mounting hole like this, through the change of round pin sleeve 56, can improve the life of bolster.

Further, in the embodiment of the present invention, locking members are disposed at both ends of the connecting pin 66, and the locking members are disposed at the outer ends of the pin sleeves 56 at the same end, so as to assemble the connecting pin 66 on the swing bolster.

The utility model discloses retaining member can be for locking screw etc, the embodiment of the utility model provides a do not restrict to this.

Fig. 9 is the schematic structure diagram of first web in fig. 8, the joint map, the utility model discloses every first web 54 is two circular arc boards 541 welds and forms, forms two concatenation seams 542 after two circular arc boards 541 welds, and two concatenation seams 542 skew symmetry set up to avoid producing with the horizontal muscle 59 of second below interfering.

With reference to fig. 7, in the embodiment of the present invention, two first elastic element seats 58 are respectively disposed at two longitudinal ends of the bolster 5, fig. 10 is an installation schematic diagram of the elastic element seats, and with reference to fig. 10, in this embodiment, each first elastic element seat 58 includes a bottom plate 581 and an elastic supporting umbilical 582, and the elastic supporting umbilical 582 is fixedly disposed in the middle of the top surface of the bottom plate 581.

Further, combine fig. 8 and fig. 10, in the embodiment of the present invention, all be provided with first gusset 511 in every first web 54, first gusset 511 transversely cuts apart into two cavities with first web 54, all set up second gusset 59 and third gusset 510 in every cavity, second gusset 59 and third gusset 510 are cross structure, the top of second gusset 59 and third gusset 510 has the breach, upper cover plate 51 is provided with the hole of dodging that corresponds with the breach, elastic support navel 582 and breach correspond the setting, bottom plate 581 of first elastic component seat 58 is fixed to be set up on the breach that corresponds, elastic support navel 582 passes the hole of dodging that upper cover plate 51 set up and bottom plate 581 corresponds, in order to realize the installation of first elastic component seat 58 on bolster 5.

The embodiment of the utility model provides an in, second gusset 59 and third gusset 510 are the inclined plane in the both sides of breach department, and the elastic component navel is the frustum form to be used for avoiding installing the rubber that elastic component 64 on first elastic support 58 caused under the heavy-duty car operating mode and bulging outward, and then can prevent that rubber and metalwork from producing the friction and receiving the damage.

With reference to fig. 8, in the present embodiment, the side portions of the two first webs 54 that face away from each other are provided with the shock absorber mounting seats 55 for mounting the shock absorbers, and the two ends of the longitudinal side of the bolster 5 are provided with the longitudinal stoppers 57 for preventing the bolster from being damaged by external impact during swinging.

Fig. 11 is a schematic structural diagram of the center suspension device in fig. 4, fig. 12 is a schematic side view of fig. 11, and with reference to fig. 4, fig. 11 and fig. 12, the center suspension device 6 of the embodiment of the present invention further includes a sway damper 62, a vertical damper 63, an elastic member 64, a transverse stopper 65, a connecting pin 66, a pad plate 67, a longitudinal stopper 69 and the bolster 5, in addition to the center pin 61.

Referring to fig. 11, in the embodiment of the present invention, the limit 68 disposed at the upper end of the center pin 61 may be integrally formed with the center pin 61 or welded to the center pin.

In this embodiment, the limiting cap 68 may be a waist-shaped cap, and the length direction of the limiting cap 68 is transverse.

With reference to fig. 11 and 12, the utility model discloses swing shock absorber 62 is provided with two, and two swing shock absorbers 62's upper end is connected respectively at the horizontal both ends of spacing cap, and two swing shock absorbers 62's lower extreme is connected on the frame, and bolster 5 sets up in the frame below.

Preferably, in the present embodiment, the two roll dampers 62 are splayed, and the angle between the central axis of the roll damper 62 and the top surface of the frame is preferably 60 °.

With reference to fig. 11 and 12, in the embodiment of the present invention, two vertical shock absorbers 63 are also provided, the vertical shock absorbers 63 and the shock absorber mounting seats 55 are arranged in a one-to-one correspondence manner, the lower ends of the vertical shock absorbers 63 are connected to the corresponding shock absorber mounting seats 55, and the upper ends of the two vertical shock absorbers 63 are connected to the two transverse ends of the frame.

The embodiment of the utility model provides a through the setting of rocking shock absorber 62 and vertical shock absorber 63, can improve the damping performance when the vehicle operation, the center pin of rocking shock absorber 62 wherein is a slant, provides simultaneously and rocks and vertical damping, if vehicle functioning speed is lower, can cancel vertical shock absorber 63.

In the embodiment of the present invention, the lower end of the center pin 61 passes through the frame, and it is mutually engaged with the connecting pin 66, so that the lower end of the center pin 61 is rotatably connected to the connecting hole of the bolster 5.

With reference to fig. 11 and 12, the elastic member 64 according to the embodiment of the present invention is provided in a plurality of numbers, the elastic members 64 are disposed at intervals around the central axis of the center pin 61, and both ends of the elastic member 64 are respectively connected between the bolster and the frame.

Specifically, the lower end of the elastic element 64 of the present embodiment is assembled in the first elastic support navel 582 on the first elastic support base 58, and the upper end of the elastic element 64 is connected to the bottom of the frame, so that the aim of the vehicle during operation can be buffered, the center pin and the frame can be not directly connected, and the center pin and the frame can form a flexible connection through the arrangement of the elastic element, thereby avoiding the rigid impact influence caused by the direct connection between the center pin and the frame in the prior art, improving the stress level of the frame, and improving the fatigue life of the frame.

Additionally, the utility model discloses elastic component and swing bolster all set up in the frame below to can not increase the whole height of vehicle, thereby make vehicle lateral swing rigidity little, the frame has very little shake head, sideslip and side roll rigidity, and the dynamic behavior is excellent, and can make the atress of frame and swing bolster be pressure, and welding seam fatigue performance is good with the suspension security.

With reference to fig. 11 and 12, in the embodiment of the present invention, the transverse stoppers 65 and the longitudinal stoppers 69 constitute the stopper assembly, the stopper assembly is mounted on the frame, the transverse stoppers 65 are provided with two relative stops, the two transverse stoppers 65 are disposed on the two transverse sides of the center pin 61, the longitudinal stoppers 69 are disposed on the two relative stops, and the two longitudinal stoppers 69 are disposed on the two longitudinal sides of the center pin 61 to limit the rotation angle of the center pin.

Preferably, the two lateral stops 65 of the stop assembly in the embodiment of the present invention are vertically disposed to improve the capability of limiting the lateral displacement swing of the frame.

Referring to fig. 12, in the present embodiment, the center pin 61 is provided with spigots at both sides of the lower end thereof in the longitudinal direction, each of the spigots is provided with a backing plate 67, the connecting pin 66 passes through the two backing plates 67, and the backing plates 16 can prevent friction between the second web and the center pin 61, thereby reducing the strength and the service life of the center pin 61.

Because the utility model discloses the king pin 61 hangs at the middle part of underslung beam 43, and king pin 61 is the bottom of installing at framework 4 promptly, compares the king pin 61 among the prior art and installs the technical scheme at framework 4 top, can reduce the length of king pin 61, shortens to below 600mm by original 2m, not only can reduce its manufacturing cost by a wide margin, can also reduce the additional moment of bending that the king pin received when the vehicle operation by a wide margin, improves the security.

Additionally, the embodiment of the utility model provides an in the framework is through actuating mechanism operation on the track roof beam, and the bolster is located the frame below, and the rethread is spacing to the core pin both ends, can restrict the swing range of bolster and frame, can reduce the opening size of track roof beam, reaches and reduces pier stud structural dimension to reach the purpose that reduces pier stud and track roof beam weight, in order sparingly to use the steel, reduce cost.

Fig. 13 is the structure schematic diagram of the frame of fig. 1, combine fig. 13, the utility model discloses frame 100 includes basic frame 10, this basic frame 10 includes main longitudinal grider 17, main longitudinal grider 17 can adopt the fish belly sill structure that the high both ends in middle are low, the interval is provided with a plurality of king pin holes 18 on the main longitudinal grider, king pin hole 18 and king pin 61 one-to-one set up, the king pin hole 18 that corresponds is passed in the lower extreme activity of king pin 61, the lower extreme of king pin 18 is connected with bolster 5, bolster 5 is located basic frame's below, be provided with a plurality of above-mentioned elastic component 55 between bolster 5 and the main longitudinal grider 17.

Specifically, in the present embodiment, two corresponding center pin holes 18 and two corresponding center pins 61 are provided, and the elastic members 55 may be springs, which are provided with four elastic members 5, which are spaced around the center axis of the center pin hole 18.

Referring to fig. 12, in the present embodiment, the main longitudinal beam 17 has supporting box girders 19 corresponding to the center pin holes 18, one center pin hole 18 is provided in the middle of each supporting box girder 19, and a plurality of elastic members 55 are provided between the bolster 5 and the supporting box girder 19.

The embodiment of the utility model provides an in, the king-pin is responsible for being connected between the framework of bogie and the truck bloster, the elastic component is responsible for the vertical holding power between truck bloster and the frame, bolster and frame are connected, and the elastic component can be the rubber spring, provide vertical damping function, the terminal surface can twist reverse relatively in certain angle within range about it, and when the bogie drove the truck bloster and turn to, can take place the distortion, the frame turns to thereupon, in order to adapt to the turning to of bogie, and can form the dispersion support to the frame, in order to improve frame stress level, improve the fatigue life of frame.

As described above, in the present embodiment, four elastic members 64 are provided, and four elastic members 64 are provided at intervals around the central axis of the center pin hole 18.

Fig. 14 is a structural view of the supporting box girder of fig. 13 with the top plate removed, fig. 15 is a structural view of the supporting box girder of fig. 13 with the gusset removed, and in conjunction with fig. 12-14, the supporting box girder 19 of the present embodiment includes a top plate 191, a gusset 192 and a connecting plate 193, the top plate 191 and the gusset 192 are disposed opposite to each other, the periphery of the top plate 191 and the periphery of the gusset 192 are connected by the connecting plate 193 to form a box-shaped structure, the top plate 191 and the gusset 192 are each provided with a center pin hole 18 through which a center pin passes, and the main longitudinal girder 17 is fixed through the connecting plate 193 to realize the assembly of the supporting box girder 19 on the main longitudinal girder 17, wherein the main longitudinal girder 17 divides the box-shaped structure into two cavities.

With reference to fig. 14 to 15, the supporting box girder 19 of the present embodiment further includes a first reinforcing plate 194, a second reinforcing plate 195 and a third reinforcing plate 196, the first reinforcing plate 194 is disposed in each cavity, the first reinforcing plate 194 is disposed along the transverse direction, the cavity where the first reinforcing plate 194 is disposed is divided into two chambers, the second reinforcing plate 195 and the third reinforcing plate 196 are disposed in each chamber, the second reinforcing plate 195 and the third reinforcing plate 196 are in a cross structure, and the first reinforcing plate 194, the second reinforcing plate 195 and the third reinforcing plate 196 can reinforce the structure of the supporting box girder.

In this embodiment, the second reinforcing plate 195 and the third reinforcing plate 196 have notches at the bottom thereof, the supporting plate 192 has avoiding holes corresponding to the notches, and the upper end of each elastic member 64 is correspondingly connected to one notch through the second elastic member seat 20, so as to mount the elastic member 64 on the supporting box girder.

The structure of the second elastic element seat 20 and the first elastic element seat 58 of this embodiment is the same, and all include bottom plate and elastic support navel, the fixed middle part that sets up in the bottom surface of bottom plate of elastic support navel, the fixed setting of bottom plate of second elastic element seat 20 is on the breach that corresponds, and the elastic support navel of second elastic element seat passes the hole of dodging that fagging 192 set up, and the upper end of elastic element 64 is connected on the elastic support navel.

Similarly, in this embodiment, the two sides of the second reinforcing plate 195 and the third reinforcing plate 196 at the notch are both inclined surfaces, and the elastic part umbilicus is in a frustum shape, so as to avoid the rubber bulge caused by the elastic part 64 mounted on the second elastic support seat 20 under the heavy vehicle working condition, and further prevent the rubber and the metal part from being damaged due to friction.

Further, in conjunction with fig. 13-15, the stop assembly of the present embodiment is disposed within the support box rail 19 of the vehicle frame to limit the longitudinal and lateral rotation angles of the vehicle frame.

With reference to fig. 13-15, in this embodiment, two longitudinal sides of the bottom of the supporting box beam 19 are bent downward to form bent portions 21, and each bent portion is provided with a rotation stop 22 to enhance the rotation limiting function of the base frame, so as to limit the rotation angle of the frame, prevent adverse effects caused by direct collision between the frame and the bolster when the frame swings, and improve the reliability of vehicle operation.

Referring to fig. 14 and 15, in the present embodiment, the support box beam 19 is provided with the connection seats 28 at both lateral ends thereof, and the lower ends of the two rocking dampers 62 are connected to the connection seats 28 provided at both lateral ends of the support box beam 19, respectively.

With reference to fig. 12, the base frame of the present embodiment further includes first cross members 23, two first cross members 23 are disposed on two longitudinal sides of each supporting box beam 19, and the middle portions of the two first cross members 23 are connected by the main longitudinal beam 17, so that the load-bearing capacity of the vehicle frame can be improved.

Further, in this embodiment, a groove is provided in the middle of each first cross beam 23, and the main longitudinal beam 17 may be fixedly embedded in the grooves in the middle of the plurality of first cross beams 23 in a welding manner.

With reference to fig. 12, in this embodiment, the base frame further includes side vertical bars 24 and connecting rods 25, the ends of the first cross beams 23 located on the same side are connected by the side vertical bars 24, and the side vertical bars 24 and the main longitudinal beam 17 are connected by a plurality of connecting rods 25 arranged at intervals, so as to further improve the bearing capacity of the vehicle frame.

Referring to fig. 12, in this embodiment, the base frame further includes a plurality of second cross members 26, inner ends of the plurality of second cross members 26 are vertically connected to the sides of the main longitudinal member 17, and outer ends of the plurality of second cross members 26 are connected to the side longitudinal members 24, so as to further improve the carrying capacity of the frame.

Further, the electric traction device 300 of this embodiment may be disposed on the second beam 26, and both ends of the first beam 23 may be disposed with locks 27 for connecting train cars or containers with goods, and the locks 27 may be the container transfer anti-falling device in chinese patent No. 2018222496756, which is not described in detail herein.

To sum up, the embodiment of the utility model provides a shown suspension type track traffic system, its structure that sets vertical extension to the component of bogie to hang the upper end of king-pin at the middle part of the lower chord roof beam of the framework of bogie, the frame is passed to the lower extreme of king-pin, and rotationally connect on the swing bolster, thereby the length of reducible king-pin, reduce the swing that the vehicle was marchd, and then can improve the pier stud structural dimension of track roof beam and support track roof beam, with the reduction with the steel volume, reduce the line construction cost, have fine practical value.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the limitation of any form, any of the commonly known people in the technical field, if the present invention does not depart from the technical features of the present invention, the present invention utilizes the present invention to make the equivalent embodiment of local change or modification, and does not depart from the technical features of the present invention, which all still belongs to the technical features of the present invention.

Claims (10)

1. The utility model provides a frame, its characterized in that, the frame includes basic frame, basic frame includes the main longitudinal beam, the interval is provided with a plurality of center pin holes on the main longitudinal beam, center pin hole and center pin one-to-one set up, the lower extreme activity of center pin passes the correspondence center pin hole, the lower extreme of center pin is connected with the bolster, the bolster is located basic frame's below, the bolster with be provided with a plurality of elastic component between the main longitudinal beam.

2. The vehicle frame of claim 1, wherein said main side rails have support box rails corresponding to said center pin holes, one center pin hole being provided in a central portion of each of said support box rails, and a plurality of said elastic members are provided between said bolster and said support box rails.

3. The vehicle frame of claim 2 wherein said resilient members are provided in four, four said resilient members being spaced about a central axis of a center pin hole of said center pin.

4. The vehicle frame of claim 3, wherein the support box girder comprises a top plate, a bracing plate and a connecting plate, the top plate and the bracing plate are arranged oppositely, the periphery of the top plate and the periphery of the bracing plate are connected through the connecting plate to form a box-shaped structure, the top plate and the bracing plate are provided with center pin holes for passing center pins, the main longitudinal beam is fixedly passed through the connecting plate, and the main longitudinal beam divides the box-shaped structure into two cavities.

5. The frame according to claim 4, wherein the support box beam further comprises a first reinforcing plate, a second reinforcing plate and a third reinforcing plate, each cavity is internally provided with the first reinforcing plate, the first reinforcing plate is transversely arranged, the first reinforcing plate divides the cavity into two chambers, each chamber is internally provided with the second reinforcing plate and the third reinforcing plate, the second reinforcing plate and the third reinforcing plate are in a cross structure, the bottoms of the second reinforcing plate and the third reinforcing plate are provided with notches, the supporting plate is provided with avoiding holes corresponding to the notches, and the upper end of the elastic element is correspondingly connected to one notch through an elastic element seat.

6. The frame of claim 5, wherein each elastic member seat comprises a bottom plate and an elastic support navel, the elastic support navel is fixedly arranged in the middle of the bottom surface of the bottom plate, the bottom plate is fixedly arranged on the corresponding notch, the elastic support navel penetrates through the avoiding hole formed in the supporting plate, and the upper end of the elastic member is connected to the elastic support navel.

7. The vehicle frame of claim 5, wherein the second reinforcement plate and the third reinforcement plate are beveled on both sides at the notch, and the spring umbilicus is frustoconical.

8. The frame according to any one of claims 2 to 7, further comprising a stop assembly mounted in the support box rail, the stop assembly comprising two transverse stops and two longitudinal stops, the two transverse stops being disposed on opposite lateral sides of the kingpin, the two longitudinal stops being disposed on opposite longitudinal sides of the kingpin.

9. The vehicle frame of claim 8, wherein the lateral stops are vertically disposed in two tiers.

10. The frame according to any one of claims 2 to 7, wherein both longitudinal sides of the bottom of the supporting box girder are bent downward to form bent portions, and each of the bent portions is provided with a rotation stopper.

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