CN209159709U - Air suspension gas chamber, bogie assembly and the rail vehicle of bogie assembly - Google Patents

Abstract

The utility model discloses a kind of air suspension gas chamber of bogie assembly, bogie assembly and rail vehicles, the air suspension gas chamber of the bogie assembly, it include: the gas chamber ontology of both ends open, the gas chamber ontology is equipped with adjustment hole, and the first end of the gas chamber ontology is equipped with flange；First cover board, first cover board are connected with the flange, and to close the first end of the gas chamber ontology, and first cover board with car body for being connected；Second cover board, second cover board is connected with the second end of the gas chamber ontology, first cover board, the gas chamber ontology, second cover board limit discharge chamber, second cover board is equipped with the first through hole being connected to the gas chamber, and the gas chamber is connected to the air spring by the first through hole.The air suspension gas chamber of the utility model, the intrinsic gas pressure of gas chamber is adjustable, and structure is simple and convenient disassembly, convenient for carrying out the cleaning of impurity and steam, good airproof performance after being used for a long time.

Description

Air suspension gas chamber, bogie assembly and the rail vehicle of bogie assembly

Technical field

The utility model relates to rail vehicle manufacturing technology fields, more particularly, to a kind of air suspension of bogie assembly Gas chamber, the bogie assembly with the air suspension gas chamber and the rail vehicle with the bogie assembly.

Background technique

The laying cost of sit-astride Rail Transit System is far below subway traffic system, and the scope of application is wider.Wherein, Suspension between car body and bogie frame is the important load bearing component of Straddle type monorail vehicle, and the air of suspension is outstanding Hanging gas chamber can be used for adjusting the stiffness and strength of air spring.In the related technology, air suspension gas chamber after long-term use, gas chamber The accumulation of impurity and steam is inside easily caused, air suspension gas chamber in the related technology is monolithic construction, it is not easy to dismantle, so that Impurity and steam cannot be cleared up effectively, can adversely affect to the use of air spring, there are improved spaces.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of air suspension gas chamber of bogie assembly, and the air suspension air chamber structure is simple, easy to disassemble And good airproof performance.

According to the air suspension gas chamber of the bogie assembly of the utility model embodiment, comprising: the gas chamber sheet of both ends open Body, the gas chamber ontology are equipped with adjustment hole, and the first end of the gas chamber ontology is equipped with flange；First cover board, first cover board It is connected with the flange, to close the first end of the gas chamber ontology, and first cover board with car body for being connected；Second lid Plate, second cover board are connected with the second end of the gas chamber ontology, first cover board, the gas chamber ontology, described second Cover board limits discharge chamber, and second cover board is equipped with the first through hole being connected to the gas chamber, the gas chamber and the air bullet Spring is connected to by the first through hole.

According to the utility model embodiment air suspension gas chamber, the intrinsic gas pressure of gas chamber is adjusted, to change sky The stiffness and strength of gas spring, and then rigidity requirement of the rail vehicle under different loads state is adapted to, so that rail vehicle Car body is maintained at reasonable height, and gas chamber ontology is connected with the first cover board by threaded fastener, convenient disassembly, convenient for long-term Carry out the cleaning of impurity and steam after use, structure is simple and good airproof performance.

According to the air suspension gas chamber of the bogie assembly of the utility model one embodiment, further includes: sealing element, it is described Sealing element is folded between first cover board and the flange.

It is first cover board, described according to the air suspension gas chamber of the bogie assembly of the utility model one embodiment At least one of flange is equipped with seal groove, and the sealing element is set to the seal groove.

According to the air suspension gas chamber of the bogie assembly of the utility model one embodiment, the seal groove is annular, And first cover board is set to towards the side of the flange.

According to the air suspension gas chamber of the bogie assembly of the utility model one embodiment, first cover board is towards institute The side for stating gas chamber ontology is equipped with positive stop lug boss, and the periphery wall of the positive stop lug boss presses on the internal perisporium of the gas chamber ontology.

According to the air suspension gas chamber of the bogie assembly of the utility model one embodiment, the inner circumferential of the gas chamber ontology The first end of wall is equipped with limiting slot, and the positive stop lug boss protrudes into the limiting slot.

According to the air suspension gas chamber of the bogie assembly of the utility model one embodiment, the positive stop lug boss is ring Shape, the periphery wall of the positive stop lug boss press on the internal perisporium of the gas chamber ontology.

According to the air suspension gas chamber of the bogie assembly of the utility model one embodiment, further includes: limit described The connecting sleeve of first through hole, the connecting sleeve is projecting inward to the gas chamber, and the connecting sleeve is used for and the air bullet The connector of spring is connected.

According to the air suspension gas chamber of the bogie assembly of the utility model one embodiment, further includes: for installing the First mounting bracket of one damper, the second mounting bracket for installing the second damper and the third for installing baffle plate Mounting bracket, and first mounting bracket, second mounting bracket and the third mounting bracket with the gas chamber sheet Body, second cover board are connected.

It also proposed a kind of bogie assembly according to the utility model.

According to the bogie assembly of the utility model embodiment, including described in air spring and any of the above-described kind of embodiment The air suspension gas chamber of bogie assembly, the air spring are connected to the first through hole.

The utility model has also been proposed a kind of rail vehicle.

According to the rail vehicle of the utility model embodiment, it is provided with bogie assembly described in above-described embodiment

The bogie assembly, the rail vehicle and above-mentioned air suspension gas chamber are possessed compared with the existing technology Advantage is identical, and details are not described herein.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1-Fig. 4 is the structural schematic diagram according to the bogie assembly of the utility model embodiment；

Fig. 5 is the structural schematic diagram according to the anti-side roller structure of the utility model embodiment；

Fig. 6-Figure 10 is the structural schematic diagram according to the suspension of the utility model embodiment；

Figure 11 is the assembly according to the height adjustable structure, air suspension gas chamber and air spring of the utility model embodiment Figure；

Figure 12 is the structural schematic diagram according to the height adjustable structure of the utility model embodiment；

Figure 13 is the structural schematic diagram according to second flexural pivot of the utility model embodiment；

Figure 14 is the structural schematic diagram according to first body of rod of the utility model embodiment；

Figure 15 is the perspective view according to the air suspension gas chamber of the utility model embodiment；

Figure 16 is the sectional view according to the air suspension gas chamber of the utility model embodiment；

Figure 17 is a side view according to the air suspension gas chamber of the utility model embodiment；

Figure 18 is another side view according to the air suspension gas chamber of the utility model embodiment.

Appended drawing reference:

Bogie assembly 1000,

Framework 1, torsion bar mounting base 11, escape groove 12, baffle plate 13,

Air spring 2, connector 21, the second positioning pin 22, third positioning pin 23, lug 24,

Air suspension gas chamber 3, gas chamber ontology 31, the first mounting bracket 311, the second mounting bracket 312, third mounting bracket 313, limiting slot 314, flange 315, adjustment hole 316, the first cover board 32, the first positioning pin 321, positive stop lug boss 322, the second cover board 33, first through hole 331, gas chamber 34, sealing element 35, seal groove 36, connecting sleeve 37,

Anti-side roller structure 4, torsion bar ontology 41, torsion bar swing arm 42, main rod body 421, spline housing 422, sleeve 423, strut and tie 43, bearing block 44, the first flexural pivot 45, the first ball cup 451, the first bulb 452, the second flexural pivot 46, the second ball cup 461, the Two bulbs 462, connecting pin 463,

Height regulating mechanism 5, levelling valve 51, swing rod 52, adjustment bar 53, first body of rod 531, internal thread hole 5311, Second body of rod 532, the first oscillating bearing 54, the first pin shaft 541, first bearing inner ring 542, first bearing outer ring 543, second closes Bearings 55, the second pin shaft 551, second bearing inner ring 552, second bearing outer ring 553,

First damper 61, the second damper 62,

Safety sling rope 7, differential valve 8,

Traveling wheel assembly 1001 stablizes wheel assembly 1002, is oriented to wheel assembly 1003.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Bogie assembly 1000 below with reference to Fig. 1-Figure 18 description according to the utility model embodiment, bogie assembly 1000 can adjust the rigidity of itself air spring 2 according to the different loaded state of car body, so that car body is maintained at stable operation State, promotes the comfort and stationarity of vehicle, and 1000 overall structure install compact of bogie assembly, shared installation space compared with It is small.

Wherein, longitudinal direction, that is, X of the application is to referring to the front-rear direction of rail vehicle；It is laterally Y-direction, refers to a left side for rail vehicle Right direction；It is vertically Z-direction, refers to the up and down direction of rail vehicle.

In rail traffic provided by the utility model, rail vehicle sit-astride is on track girder, it is to be understood that " across Sit " it is to be defined to rail vehicle, i.e. the car body of rail vehicle is straddled and is run on track girder, and for the water in bogie The relative position of flat wheel and track girder is then not particularly limited.For example, horizontal wheels can freely be matched with track girder lateral wall or Inner sidewall, to adapt to various sizes of track beam structure.In other words, in Rail Transit System provided by the utility model, track Vehicle rides on track girder, and as car body wraps up track beam structure, and body width size is greater than track girder width dimensions.

As shown in Fig. 1-Figure 18, the bogie assembly 1000 according to the utility model embodiment includes: framework 1, suspension System and anti-side roller structure 4.

Suspension includes air spring 2 and air suspension gas chamber 3, and air spring 2 is installed on framework 1, such as Fig. 1-Fig. 3 institute Show, the lower end of air spring 2 is supported in framework 1, and air suspension gas chamber 3 is connected with air spring 2, and air suspension gas chamber 3 is used for Adjust 2 pressure of air spring, it should be noted that air spring 2 can adjust stiffness by itself, air by changing its internal pressure Suspension gas chamber 3 is suitable for being connected with the car body of rail vehicle, is played as a result, by air suspension gas chamber 3 and air spring 2 to car body Support and buffer function.

As shown in Figure 1-Figure 3, the lower end of air suspension gas chamber 3 is connected with the upper end of air spring 2, air suspension gas chamber 3 Upper end be equipped with the first positioning pin 321, for being connected with car body, air suspension gas chamber 3 positions the first positioning pin 321 by first Pin 321 and car body realize positioning action, so that car body is stably supported on air suspension gas chamber 3, the lower end support of air spring 2 In framework 1, i.e., the gravity of car body can pass sequentially through air suspension gas chamber 3, air spring 2 is transferred to framework 1.Wherein, framework 1 is pacified Equipped with traveling wheel assembly 1001, stablize wheel assembly 1002 and guiding wheel assembly 1003, traveling wheel assembly 1001 includes travelling wheel, is walked Car body is stablized twelve Earthly Branches by bogie assembly 1000 as a result, to track by the weight transfer for the car body that row wheel can carry framework 1 It supports in track.

Air suspension gas chamber 3 is used to adjust the stiffness and strength of air spring 2.It is empty when the load of rail vehicle is excessive The deformation of gas spring 2 is larger, at this point, gas can be injected into air suspension gas chamber 3 to increase gas pressure in air suspension gas chamber 3 By force, while the pressure of air spring 2 is gradually increased therewith, and then increases the stiffness and strength of air spring 2；In rail vehicle When load is too small, the stiffness and strength of air spring 2 are excessive, and driving is more jolted, and the riding comfort of occupant is poor, at this point, The air pressure in air suspension gas chamber 3 can be reduced, while the pressure of air spring 2 reduces therewith, and then reduce the rigid of air spring 2 Degree and intensity can make car body mildly be supported in track as a result, guarantee the stability and peace of the comfort that occupant rides and driving Quan Xing.Wherein, air suspension gas chamber 3 is independent auxiliary chamber 34, has good maintenanceability, assembling capacity.

As shown in Figure 4 and Figure 5, anti-side roller structure 4 includes torsion bar component, strut and tie 43, and torsion bar component is suitable for and car body phase Even, the first end of strut and tie 43 passes through the first flexural pivot 45 with torsion bar component and is connected, i.e., torsion bar component can relative to strut and tie 43 to The second end of multiple directions rotation, strut and tie 43 is equipped with the second flexural pivot 46, and the second flexural pivot 46 is connected with framework 1, i.e. strut and tie 43 It can be rotated relative to framework 1 to multiple directions.It is understood that torsion bar component extends transversely arrangement, and in torsion bar component Both ends be equipped with strut and tie 43, i.e. the left and right ends of torsion bar component pass through strut and tie 43 and are supported in framework 1, and car body supports In torsion bar component.

Rail vehicle is during turning, rail vehicle run-off the straight, and the two sides of car body generate difference in height, so that torsion bar One end of component around its corresponding strut and tie 43 rotation direction with the other end of torsion bar component around its corresponding strut and tie 43 Rotation direction is on the contrary, i.e. torsion bar component twists.At this point, the positive-torque that returns of torsion bar component itself may make car body recovery to ajust State, to reduce the angle of tilting of car body, and then prevent tilting of car body angle is excessive from causing to overturn, improve the stability of driving And safety.

Wherein, as shown in Figure 4 and Figure 5, the lower end of strut and tie 43 is supported in framework 1, and the left and right sides of vehicle bottom can prop up It supports in torsion bar component, and framework 1 is supported in by the strut and tie 43 that torsion bar component both ends connect, in this way, anti-side roller structure 4 and outstanding Extension system can play stable supporting role to car body, it is ensured that rail vehicle has during traveling to be stablized well Property, and then the comfort of passenger's seating can be improved.

Suspension, anti-side roller structure 4 are integrated in framework 1 as a result, guarantee the stability and safety of rail vehicle, Reduce the occupied space of bogie assembly 1000 simultaneously, so that more stepping up of installing of all parts of bogie assembly 1000 It gathers, is laid out convenient for vehicle.

According to the bogie assembly 1000 of the utility model embodiment, bogie assembly 1000 framework 1 and car body it Between be connected with suspension and anti-side roller structure 4, the overall stiffness of suspension can be adapted to according to the loaded state of car body Property adjust so that car body can be stably supported on track, improve the stability of rail vehicle operation, anti-side roller structure 4 can be protected Demonstrate,prove rail vehicle during the turn, the difference in height of car body two sides is smaller, can avoid car body as a result, and turns on one's side, improves driving Safety, and suspension and anti-side roller structure 4 are integrated in framework 1, greatly occupied by reduction bogie assembly 1000 Space, the overall structure of bogie assembly 1000 is more compact.

The anti-side roller structure of the bogie assembly 1000 of the utility model embodiment is described in detail below with reference to Fig. 4 and Fig. 5 4。

Wherein, as shown in Figure 4 and Figure 5, anti-side roller structure 4 includes torsion bar component, strut and tie 43, and torsion bar component is suitable for and vehicle Body is connected, and the first end of strut and tie 43 is connected with torsion bar component by the first flexural pivot 45, i.e., torsion bar component can be relative to strut and tie 43 rotate to multiple directions, and the second end of strut and tie 43 is equipped with the second flexural pivot 46, and the second flexural pivot 46 is connected with framework 1, i.e. tension and compression Bar 43 can be rotated relative to framework 1 to multiple directions.It is understood that torsion bar component extends transversely arrangement, and in torsion bar The both ends of component are equipped with strut and tie 43, i.e. the left and right ends of torsion bar component pass through strut and tie 43 and are supported in framework 1, and car body It is supported in torsion bar component.

Rail vehicle is during turning, effect of the car body by inertia force, and car body generates inclination, and torsion bar component is close One end stress of curve inner side is smaller when driving than rail vehicle stabilization, and torsion bar component is around corresponding first flexural pivot 45 of one end It rotates vertically upwards, i.e., the torsion bar component is rotated up relative to close to the strut and tie 43 of curve inner side, and strut and tie is around the Two flexural pivots 46 move backward；The other end stress of torsion bar component is more larger when driving than rail vehicle stabilization, and torsion bar component is around it Corresponding first flexural pivot 45 of the other end vertically rotates down, i.e., the torsion bar component is relative to the strut and tie 43 on the outside of bend It rotates down, strut and tie 43 travels forward around the second flexural pivot 46.In this way, the both ends of torsion bar component are transported towards different directions respectively Dynamic, torsion bar component twists as a result,.At this point, the positive-torque that returns of torsion bar component itself may make car body to restore the state ajusted, It to reduce the angle of tilting of car body, and then prevents tilting of car body angle is excessive from causing to overturn, improves the stability and safety of driving Property.

Wherein, as shown in Figure 4 and Figure 5, the lower end of strut and tie 43 is supported in framework 1, and the left and right sides of vehicle bottom can prop up It supports in torsion bar component, and framework 1 is supported in by the strut and tie 43 that torsion bar component both ends connect, in this way, anti-side roller structure 4 and outstanding Extension system can play stable supporting role to car body, it is ensured that rail vehicle has during traveling to be stablized well Property, and then the comfort of passenger's seating can be improved.

According to the anti-side roller structure 4 of the utility model embodiment, by be arranged between car body and framework 1 torsion bar component, Strut and tie 43 can play a supporting role to car body, and torsion bar component and strut and tie 43 are connected by the first flexural pivot 45, strut and tie 43 and Framework is connected by the second flexural pivot 46, and torsion bar component twists when car body rolls, and time positive-torque of torsion bar component can prevent vehicle Tilt angle is excessive during the turn for body, prevents car body from turning on one's side, and the overall structure of anti-side roller structure 4 is simple and installation side Just.

In some embodiments, as shown in Figure 4 and Figure 5, torsion bar component includes: torsion bar ontology 41 and torsion bar swing arm 42.

Wherein, torsion bar ontology 41 with car body for being connected, as shown in figure 5, torsion bar ontology 41 is cylindrical bar, torsion bar ontology 41 If there are two bearing block 44, and two bearing blocks 44 are spaced apart setting, and torsion bar ontology 41 along the length direction of torsion bar ontology 41 Setting, i.e. two laterally spaced apart arrangements of bearing block 44 are extended transversely, in this way, the left and right sides of vehicle bottom can lead to respectively It crosses two bearing blocks 44 and is supported in torsion bar ontology 41, and then anti-side roller structure 4 is made to play good supporting role to car body.

As shown in figure 5, the diameter of torsion bar ontology 41 is incrementally decreased from both ends to the middle, it is to be understood that torsion bar sheet The both ends of body 41 are connected with torsion bar swing arm 42, and two bearing blocks 44 are respectively supported at the position that torsion bar ontology 41 leans on close end, In this way, 41 end of torsion bar ontology is relatively large in diameter, it is conducive to improve 41 intensity of torsion bar ontology, torsion bar ontology 41 is avoided to bear car body Local stress, which is crossed, when gravity is substantially broken, so that the overall structure of torsion bar ontology 41 is more stable, reliable.

As shown in figure 5, the first end of torsion bar swing arm 42 is connected with one end of torsion bar ontology 41, in one embodiment, turn round The first end of bar swing arm 42 includes spline housing 422, and spline housing 422 can be fixedly linked with torsion bar ontology 41 by spline, will be turned round Bar swing arm 42 and torsion bar ontology 41 are connected as an entirety, and then improve the stability of torsion bar component.

The second end of torsion bar swing arm 42 is connected with the first end of strut and tie 43 by the first flexural pivot 45, as shown in figure 5, torsion bar The second end of swing arm 42 is connected with the upper end of strut and tie 43 by the first flexural pivot 45, and torsion bar swing arm 42 can be relative to tension and compression as a result, Bar 43 is rotated to multiple directions.

In some embodiments, anti-side roller structure 4 further includes bearing block 44, and bearing block 44 and torsion bar ontology 41 pass through bearing It is connected, as shown in figure 5, bearing block 44 has a mounting surface for being connected with car body, and bearing block 44 is used for and vehicle equipped with multiple The connected mounting hole of body, in this way, bearing block 44 can be connected by multiple groups threaded fastener with car body so that bearing block 44 and Car body is relatively fixed.

Wherein, as shown in figure 5, bearing outer ring is fixedly linked with bearing block 44, bearing inner race and 41 stationary phase of torsion bar ontology Even, so that bearing block 44 can be rotated relative to torsion bar ontology 41, in this way, when car body rolls, two 43 stress of strut and tie Difference, two strut and ties 43 are different relative to the rotation direction of framework 1, and two bearing blocks 44 are to be fixedly connected with car body, as a result, Two bearing inner races are rotated towards different directions respectively relative to car body, and the both ends of torsion bar ontology 41 are transported towards different directions respectively Dynamic, i.e., torsion bar ontology 41 twists, and torsion bar ontology 41 is connected with car body by bearing block 44, is convenient for when car body rolls, Torsion bar ontology 41 twists and car body is inhibited excessively to roll, reasonable in design.

Wherein, as shown in figure 5, bearing outer ring is fixedly linked with bearing block 44, bearing inner race and 41 stationary phase of torsion bar ontology Even, so that bearing block 44 can rotate relative to torsion bar ontology 41, and when car body vertically moves, car body drive bearing block 44 and Torsion bar ontology 41 moves along longitudinal direction.

It should be noted that the first end and second end of torsion bar swing arm 42 is spaced along the longitudinal.In track Ackermann steer angle, Height at left and right sides of car body is different, and car body is higher than the side on the outside of bend close to the side of curve inner side, leans on as a result, The first end of the torsion bar swing arm 42 of nearly curve inner side is higher than second end, and the first end of the torsion bar swing arm 42 on the outside of bend is lower than Second end, i.e. one end of torsion bar ontology 41 are higher than the other end, at this point, torsion bar ontology 41 twists, and send out in torsion bar ontology 41 With certain positive-torque that returns when raw torsion, torsion bar ontology 41 will return positive-torque and be transferred to car body, torsion bar sheet by bearing block 44 Time positive-torque of body 41 can inhibit car body and further tilt, while car body being made to restore the state ajusted, to effectively keep away It is excessive to exempt from tilting of car body angle, car body is avoided to turn on one's side, improves travel safety.

In some embodiments, framework 1 is equipped with torsion bar mounting base 11, and torsion bar mounting base 11 limits escape groove 12, and second Flexural pivot 46 protrudes into escape groove 12, and the connecting pin 463 of the second flexural pivot 46 is supported in torsion bar mounting base 11, as shown in figure 5, torsion bar is pacified Dress seat 11 extends longitudinally, and torsion bar mounting base 11 limits the escape groove 12 transversely penetrated through, the connecting pin 463 of the second flexural pivot 46 It extends longitudinally, and the length of connecting pin 463 is greater than the width of escape groove 12.In this way, the second flexural pivot 46 protrudes into escape groove 12, even The both ends of outbound 463 are supported in torsion bar mounting base 11, as shown in figure 4, escape groove 12 includes two opposite side walls and bottom wall, connect The both ends of outbound 463 are respectively supported at the upper end of the two side walls of escape groove 12, in this way, the second flexural pivot 46 can two side walls it Spaced winding connecting pin 463 rotates.Anti-side roller structure 4 is stably supported on framework 1, and can rotate relative to framework 1, in this way, both may be used So that car body is stably supported on track, also can avoid car body and turn on one's side in turning, improves the stability and driving of vehicle Safety.

In the embodiment as shown in fig.5, the first flexural pivot 45 includes: the first ball cup 451 and the first bulb 452.

First ball cup 451 is connected with the first end of strut and tie 43, the second end phase of the first bulb 452 and torsion bar swing arm 42 Even, i.e., the first bulb 452 is fixedly linked with torsion bar swing arm 42, and the first ball cup 451 is fixedly linked with strut and tie 43, in this way, vehicle Body in the process of moving with bogie 1000 relative motion of assembly when, first end with car body along moving, meanwhile, 42 band of torsion bar swing arm Dynamic first ball cup 451 is moved relative to the first bulb 452, and the first ball cup 451 is connected with the first bulb 452 for flexural pivot, In this way, 42 swaying direction of torsion bar swing arm can be consistent with the swaying direction of car body.

Wherein, the first ball cup 451 includes bulb pedestal and spiro rod section, and bulb pedestal is connected with spiro rod section, thread segment and Bulb pedestal can be integrally formed, so that the structural strength with higher of the first ball cup 451.The of spiro rod section and strut and tie 43 Threaded one end connection, in this way, can be convenient for the disassembly and replacement of bulb pedestal or strut and tie 43, convenient for being used for a long time.

First bulb 452 includes bulb body and spiro rod section, and spiro rod section is threadedly coupled with the first end of torsion bar swing arm 42, bulb Body is located in ball cup body, and bulb body can be relatively rotated with bulb pedestal, and spiro rod section and ball are driven when torsion bar swing arm 42 rotates Head body is rotated relative to bulb pedestal.

In some embodiments, as shown in figure 5, the second flexural pivot 46 includes the second ball cup 461 and the second bulb 462.

Second ball cup 461 is connected with the second end of strut and tie 43, and the second bulb 462 with framework 1 for being connected, i.e., and second Ball cup 461 is fixedly linked with strut and tie 43, and the second bulb 462 is fixedly linked with framework 1, in this way, car body is in the process of moving When with bogie 1000 relative motion of assembly, strut and tie 43 drives the second ball cup 461 and the second bulb 462 to relatively rotate, In, the second bulb 462 is stably supported on framework 1, and strut and tie 43 is rotated relative to the second bulb 462, while relative to framework 1 Rotation.

Wherein, the second ball cup 461 includes bulb pedestal and spiro rod section, and bulb pedestal is connected with spiro rod section, bulb pedestal It can be integrally formed with spiro rod section, so that the structural strength with higher of the second ball cup 461.The of spiro rod section and strut and tie 43 Two ends are threadedly coupled, in this way, can be convenient for the disassembly and replacement of bulb pedestal or strut and tie 43, convenient for being used for a long time.

Second bulb 462 includes bulb body and connecting pin 463, and for being connected with framework 1, bulb body is located at connecting pin 463 In ball cup body, and bulb pedestal can be relatively rotated with bulb body, and when strut and tie 43 rotates, strut and tie 43 drives bulb pedestal phase Bulb body, connecting pin 463 are rotated.

In some embodiments, as shown in figure 5, torsion bar swing arm 42 includes: main rod body 421, spline housing 422 and sleeve 423.

Wherein, spline housing 422 is connected with the first end of main rod body 421, and spline housing 422 and torsion bar ontology 41 pass through spline Connection, so that torsion bar ontology 41 is circumferentially relatively fixed with spline housing 422, in this way, can between torsion bar ontology 41 and spline housing 422 Torque is transmitted, and then makes torsion bar ontology 41 that torsion bar swing arm 42 can be driven to rotate around the first flexural pivot 45.

Sleeve 423 is connected with the second end of main rod body 421, and sleeve 423 is connected with the first flexural pivot 45, as shown in figure 5, sleeve 423 and spiro rod section be fixedly linked by threaded fastener, if sleeve 423 be equipped with internal screw thread, spiro rod section have external screw thread, sleeve 423 are sheathed on spiro rod section and are secured with nuts, so that sleeve 423 is connected as one with spiro rod section.

In some embodiments, the both ends of strut and tie 43 are equipped with threaded hole, and two threaded holes are respectively used to the first flexural pivot 45 or second flexural pivot 46 be connected, as shown in figure 5, the threaded hole screw thread of the spiro rod section of the first ball cup 451 and 43 upper end of strut and tie Connection, the spiro rod section of the second ball cup 461 is threadedly coupled with the threaded hole of 43 lower end of strut and tie, as a result, by the two of strut and tie 43 When holding and be connected respectively with the first flexural pivot 45, the second flexural pivot 46, and then being moved convenient for car body relative to bogie assembly 1000, tension and compression Bar 43 can move in the same direction with car body, in this way, car body two sides relative to framework 1 the direction of motion on the contrary, being located at bogie two sides The direction of motion of strut and tie 43 is on the contrary, torsion bar ontology 41 twists in turn, while the positive-torque that returns of torsion bar ontology 41 itself presses down Car body processed further rolls, and avoids the tilt angle of car body excessive, and then improves the safety of driving.

The suspension of the utility model embodiment is described in detail below with reference to Fig. 6-Figure 10.

As shown in Fig. 6-Figure 10, suspension includes: air spring 2, air suspension gas chamber 3 and height regulating mechanism 5.

Air spring 2 is adapted to be mounted to the framework 1 of bogie assembly 1000, as shown in fig. 6, the lower end branch of air spring 2 It supports in framework 1, air suspension gas chamber 3 is connected with air spring 2, and air suspension gas chamber 3 is needed for adjusting 2 pressure of air spring It is noted that air spring 2 can adjust stiffness by itself by changing its internal pressure, air suspension gas chamber 3 is suitable for and track The car body of vehicle is connected, and plays support and buffer function to car body by air suspension gas chamber 3 and air spring 2 as a result,.

As shown in fig. 6, the lower end of air suspension gas chamber 3 is connected with the upper end of air spring 2, air suspension gas chamber 3 it is upper End is equipped with the first positioning pin 321, and for the first positioning pin 321 for being connected with car body, air suspension gas chamber 3 passes through the first positioning pin 321 realize positioning action with car body, so that car body is stably supported on air suspension gas chamber 3, the lower end of air spring 2 is supported in Framework 1, the i.e. gravity of car body can pass sequentially through air suspension gas chamber 3, air spring 2 is transferred to framework 1.Wherein, framework 1 is installed There is traveling wheel assembly 1001, stablize wheel assembly 1002 and guiding wheel assembly 1003, traveling wheel assembly 1001 includes travelling wheel, traveling The weight transfer for the car body that framework 1 can be carried is taken turns to track, is as a result, steadily supported car body by bogie assembly 1000 In track.

Suspension, anti-side roller structure 4 are integrated in framework 1 as a result, both ensure that the stability and safety of rail vehicle Property, while reducing the occupied space of bogie assembly 1000, so that all parts installation of bogie assembly 1000 is more It is compact, it is laid out convenient for vehicle.

Height regulating mechanism 5 includes: levelling valve 51, swing rod 52, adjustment bar 53, and levelling valve 51 includes first end Mouth, second port and third port, the first port of levelling valve 51 are connected with air suspension gas chamber 3, levelling valve 51 It further include controlling the spool of air flow direction, and spool can pivotly be connected with the shell of spool levelling valve 51, so that valve Core controls first port in the course of rotation and is connected to second port, or control first port is connected to third port.

The first end of swing rod 52 and the spool of levelling valve 51 are fixedly linked, i.e., swing rod 52 can be with levelling valve 51 Spool rotates simultaneously, and when swing rod 52 is rotated relative to levelling valve 51, swing rod 52 is with movable valve plug relative to levelling valve 51 rotations, and during valve core rotation, first port is connected to second port or third port, and then adjusts air spring 2 rigidity.

The first end of adjustment bar 53 is pivotly connected with the second end of swing rod 52, and the second end of adjustment bar 53 is used for and structure Frame 1 is pivotly connected, and as shown in figure 12, the upper end of adjustment bar 53 is pivotly connected with the second end of swing rod 52, adjusts bar 53 lower end is pivotly connected with framework 1.In the process of moving, car body easily jolts rail vehicle as a result, and car body drives Levelling valve 51 vertically moves and swing rod 52 is driven to move, and during the motion, swing rod 52 is relative to 53 turns of bar of adjustment It is dynamic, and housing into rotation of the swing rod 52 relative to levelling valve 51, and then with movable valve plug relative to housing into rotation, and control first Port is connected to second port or third port, to adjust the rigidity of air spring 2.Fortune is travelled or stopped in track vehicle stabilization When row, swing rod 52 is maintained at horizontality or smaller with the angle of horizontal plane.

According to the suspension of the bogie assembly 1000 of the utility model embodiment, air suspension gas chamber 3 and car body phase Even, and air suspension gas chamber 3 and air spring 2 are integrated in framework 1, and air spring 2 can play support well and be delayed to car body Punching effect, in deadlight load variation, air suspension gas chamber 3 can change the rigidity of air spring 2 by adjusting air pressure, so that empty Gas spring 2 adapts to the loaded state of car body, and the structure of suspension is simple, install compact.

In some embodiments, bogie assembly 1000 further includes Safety sling rope 7, and framework 1 is equipped with hoist cable bracket, safety jaw The first end of rope 7 is connected with air suspension gas chamber 3, and the second end of Safety sling rope 7 is connected with hoist cable bracket, such as Fig. 6 and Figure 10 institute Show, each air suspension gas chamber 3 corresponds to two Safety sling ropes 7, and two Safety sling ropes 7 are respectively arranged on air suspension gas chamber 3 Two sides, i.e. two Safety sling ropes 7 are spaced along the longitudinal setting, and the upper end of Safety sling rope 7 is connected with air suspension gas chamber 3, pacifies The lower end of full hoist cable 7 is connected with framework 1.

It should be noted that air suspension gas chamber 3 is connected with Safety sling rope 7, air suspension gas chamber 3 and air spring 2 are solid Fixed to be connected, the lower end of air spring 2 is connected with framework 1 by positioning pin, i.e., positioning pin is radial limit to air spring 2, this Air suspension gas chamber 3 is connected by sample by Safety sling rope 7 with framework 1, and Safety sling rope 7 can play the role of axial limiting.Such as sky When 2 exception of gas spring overcharges, Safety sling rope 7 can play the role of upper limit to air spring 2, air suspension gas chamber 3, avoid sky The excessive height for leading to air suspension gas chamber 3 of 2 rigidity of gas spring is excessive, prevents air suspension gas chamber 3 from supporting to car body excessively high, leads Cause car body unstable.The travel safety of rail vehicle can be improved as a result, guarantee air suspension gas chamber 3 in reasonable height model In enclosing, the reasonability that bogie assembly 1000 designs is improved.

Two Safety sling ropes 7 are respectively arranged on the two sides of air suspension gas chamber 3, in some embodiments, two Safety sling ropes 7 Radial face along air suspension gas chamber 3 is arranged, so that the two sides stress equalization of air suspension gas chamber 3, in this way, may make air Axis and the vertical angle for hanging gas chamber 3 are smaller, i.e. the tilt angle of car body is smaller, so that the fortune of car body held stationary Row state.

In some embodiments, each air suspension gas chamber 3 corresponds to two Safety sling ropes 7, as shown in fig. 7, two peaces One in full hoist cable 7 is connected with the first mounting bracket 311, another and the second mounting bracket 312 in two Safety sling ropes 7 It is connected, i.e. a Safety sling rope 7 and the first damper 61 are connected by the first mounting bracket 311 with gas chamber ontology 31, another A Safety sling rope 7 and the second damper 62 are connected by the second mounting bracket 312 with gas chamber ontology 31, the knot of Safety sling rope 7 Structure is simple, and Safety sling rope 7 is fixedly linked with the first mounting bracket 311, the second mounting bracket 312, pacifies compared to being separately provided Assembling structure significantly reduces installation cost.

In some embodiments, suspension further includes differential valve 8, two ports of differential valve 8 respectively with two air Gas chamber 3 is hung to be connected, it is to be understood that the two sides of bogie assembly 1000 transversely are respectively provided with an air suspension gas chamber 3, Two air suspension gas chambers 3 are connected with differential valve 8, and the pressure of two air suspension gas chambers 3 can be adjusted by control differential valve 8 Difference.

When the rupture or damage in two air springs 2 in left and right, differential valve 8 will be opened and be run, so that two skies The pressure of gas spring 2 keeps balance.Prevent car body since an air spring 2 is inflated and another 2 unaerated of air spring and To side knockdown.Meanwhile differential valve 8 can guarantee that the air spring 2 of left and right two has certain pressure difference on curve, keeps away Exempt from run-off the straight；Furthermore differential valve 8 can guarantee that car body has certain pressure difference when wagging occurs, and avoid waving Aggravation.

In some embodiments, suspension further includes the first damper 61, the second damper 62, air suspension gas chamber 3 It include: the first mounting bracket 311, the second mounting bracket 312 and third mounting bracket 313.

Wherein, as shown in figures 7 and 9, air suspension gas chamber 3 includes gas chamber ontology 31, and gas chamber ontology 31 is equipped with the first peace Bracket 311 is filled, the first end of the first damper 61 is connected with gas chamber 34, the first end and the first mounting bracket of the first damper 61 311 are connected, and the second end of the first damper 61 is connected with framework 1, as shown in Figure 1, the first damper 61 is vertically extending, first The upper end of damper 61 is connected with the first mounting bracket 311, and the lower end of the first damper 61 is connected with framework 1, i.e. the first vibration damping Device 61 is vertical damper, gas chamber ontology 31 is connected with framework 1 by the first damper 61 as a result, car body be subject to along erecting To active force the first damper 61 is transferred to by gas chamber ontology 31, the first damper 61 can play good support to car body Effect.And the first absorbable vibrational energy vertically of damper 61, and then the frequency that car body vertically moves is reduced, it improves whole The comfort of vehicle.

As shown in figures 7 and 9, gas chamber ontology 31 is equipped with the second mounting bracket 312, the first end and gas of the second damper 62 Room 34 is connected, and the first end of the second damper 62 is connected with the second mounting bracket 312, the second end and framework of the second damper 62 1 is connected, as shown in Figure 1, the second damper 62 extends transversely, the outer end of the second damper 62 transversely and the second mounting bracket 312 are connected, and the inner end of the second damper 62 transversely is connected with framework 1, i.e. the second damper 62 is lateral damper, as a result, Gas chamber ontology 31 is connected with framework 1 by the first damper 61, the active force transversely that car body is subject to passes through gas chamber ontology 31 are transferred to the second damper 62, the vibrational energy of 62 good absorption of the second damper transversely, and then reduce car body along horizontal To the frequency of movement, the comfort of vehicle is improved.

In some embodiments, gas chamber ontology 31 is equipped with third mounting bracket 313, third mounting bracket 313 and framework 1 Baffle plate 13 is connected, i.e., third mounting bracket 313, baffle plate 13 are equipped between gas chamber ontology 31 and framework 1, if third installation branch Frame 313, baffle plate 13 may make that the connection of gas chamber ontology 31 and framework 1 is more firm, improve the connection of suspension and framework 1 Intensity.

Certainly, third mounting bracket 313, baffle plate 13 are equipped between gas chamber ontology 31 and framework 1, it can be total in bogie When at 1000 by lateral impact force, gas chamber ontology 31 does not contact directly with framework 1, third mounting bracket 313, baffle plate 13 Certain buffer function can be played, gas chamber ontology 31 and 1 rigid contact mutagens shape of framework are avoided, improves bogie assembly 1000 Safety.

The height regulating mechanism 5 of the suspension of the utility model embodiment is described in detail below with reference to Figure 11-Figure 14.

As shown in figures 11-14, height regulating mechanism 5 includes: levelling valve 51, swing rod 52 and adjustment bar 53.

Wherein, levelling valve 51 is installed on gas chamber ontology 31, and for adjusting the air pressure in gas chamber ontology 31, height is controlled Valve 51 includes first port, second port and third port, first port and 3 phase of air suspension gas chamber of levelling valve 51 Even, levelling valve 51 further include control air flow direction spool, and spool can with the shell relative motion of levelling valve 51, So that spool controls first port in the process of movement and is connected to second port, or control first port and third port connect It is logical.

Second port can be used for air inlet,, can when second port is connected to first port if second port is connected with air pump By air pump to second port gas injection, air-flow passes sequentially through second port, first port, and enters in air suspension gas chamber 3, makes Obtain air Suspension air room 3, the air pressure of air spring 2 increases, and then improves the stiffness and strength of air spring 2.

Third port can be used for being vented, if third port is connected to outside atmosphere, in this way, in third port and first port When connection, since the gas pressure intensity in air suspension gas chamber 3 is greater than outside atmosphere pressure, the air-flow in air suspension gas chamber 3 from It flows out in first port, and is discharged by third port, so that the air pressure of air suspension gas chamber 3, air spring 2 reduces, in turn Reduce the stiffness and strength of air spring 2.

The first end of swing rod 52 and the spool of levelling valve 51 are fixedly linked, i.e., swing rod 52 can be with levelling valve 51 Spool rotates simultaneously, and when swing rod 52 is rotated relative to levelling valve 51, swing rod 52 is with movable valve plug relative to levelling valve 51 rotations, and during valve core rotation, first port is connected to second port or third port, and then adjusts air spring 2 rigidity.

The first end of adjustment bar 53 is pivotly connected with the second end of swing rod 52, and the second end of adjustment bar 53 is used for and structure Frame 1 is pivotly connected, and as shown in figure 12, the upper end of adjustment bar 53 is pivotly connected with the second end of swing rod 52, adjusts bar 53 lower end is pivotly connected with framework 1.In the process of moving, car body easily jolts rail vehicle as a result, and car body drives Levelling valve 51 vertically moves and swing rod 52 is driven to move, and during the motion, swing rod 52 is relative to 53 turns of bar of adjustment It is dynamic, and housing into rotation of the swing rod 52 relative to levelling valve 51, and then with movable valve plug relative to housing into rotation, and control first Port is connected to second port or third port, to adjust the rigidity of air spring 2.Fortune is travelled or stopped in track vehicle stabilization When row, swing rod 52 is maintained at horizontality or smaller with the angle of horizontal plane.

In some embodiments, adjustment bar 53 includes first body of rod 531 and second body of rod 532, the end of first body of rod 531 Equipped with internal thread hole 5311, second body of rod 532 includes external thread section, and external thread section is threadedly coupled with internal thread hole 5311, in this way, It can be existed as a result, by one in first body of rod 531 of rotation and second body of rod 532, the i.e. whole length of adjustable adjustment bar 53 When suspension and framework 1 are assembled, the length for adjusting adjustment bar 53 can adapt it to levelling valve 51 and framework 1 Mounting distance, and then guarantee that swing rod 52 is in horizontality or smaller with the angle of horizontal plane.In this way, facilitating adjusting, can reduce The installation accuracy and requirement for adjusting 5 entirety of bar 53 and height regulating mechanism, reduce installation difficulty.

As a result, when the load of car body changes, the work that air spring 2 can be adjusted by height regulating mechanism 5 is high Degree, to adjust vehicle height:

When deadlight load increase leads to car body along -Z direction (vertically downwards) movement, the height that is mounted on gas chamber ontology 31 Degree control valve 51 is moved along -Z direction, and swing rod 52 swings certain angle along -Z direction, and swing rod 52 is swung with movable valve plug, and height controls The gas injection into gas chamber ontology 31 of valve 51, as air pressure increases, car body is moved along +Z direction, and band pneumatic height control valve 51 is along the side+Z To movement, when swing rod 52 moves to level, levelling valve 51 stops gas injection；

When deadlight load reduction leads to car body along +Z direction (vertically upward) movement, the height that is mounted on gas chamber ontology 31 Degree control valve 51 is moved along +Z direction, and swing rod 52 swings certain angle along +Z direction, and swing rod 52 is swung with movable valve plug, and height controls Valve 51 controls gas chamber ontology 31 and is vented, and as air pressure reduces, car body is moved along -Z direction, and band pneumatic height control valve 51 is along the side-Z To movement, when swing rod 52 moves to level, levelling valve 51 stops exhaust, thus, it can be achieved that adjusting the knot of air spring 2 Structure stiffness and strength.

It is high when deadlight load changes according to the height regulating mechanism 5 of the suspension of the utility model embodiment Degree control valve 51 can automatically adjust the stiffness and strength of air spring 2, and then adapt to the loaded state of car body, and adjust in height When mechanism 5 is assembled, the length of bar 53 can be adjusted by adjusting, adapts to the mounting height of air suspension gas chamber 3, reduces height 5 machining accuracy of adjustment mechanism reduces assembly difficulty.

In some embodiments, the both ends of first body of rod 531 are equipped with internal thread hole 5311, and second body of rod 532 includes two It is a, and the external thread section of two second bodies of rod 532 is threadedly coupled with two internal thread holes 5311 respectively, as shown in figure 14, first The top and bottom of the body of rod 531 are equipped with internal thread hole 5311, as shown in figure 12, one in two second bodies of rod 532 upper End is connected with the second end of swing rod 52, and lower end is connect with the threaded upper ends of first body of rod 531, in two second bodies of rod 532 Another upper end is connected threaded connection with the lower end of first body of rod 531, and lower end is connected with framework 1, wherein first body of rod 531 two internal thread holes 5311 it is oppositely oriented.In this way, can still pass through rotation the after suspension and framework 1 assemble One body of rod 531 realizes the length adjustment of adjustment bar 53, and the changing value of height regulating mechanism entire length is first body of rod 531 Twice of rotational travel, greatly improves adjusting efficiency, and structure is simple and easy to adjust.

In further embodiments, second body of rod, 532 both ends include external thread section, and first body of rod 531 includes two, and The internal thread hole 5311 of two first bodies of rod 531 is threadedly coupled with two external thread sections respectively, wherein second body of rod 532 it is upper End and lower end are equipped with external thread section.One upper end in two first bodies of rod 531 is connected with the second end of swing rod 52, and under End is connect with the threaded upper ends of second body of rod 532；Another upper end and second body of rod 532 in two first bodies of rod 531 Lower end, which is connected, to be threadedly coupled, and lower end is connected with framework 1.Wherein, two external thread sections of second body of rod 532 is oppositely oriented. In this way, the length adjustment of adjustment bar 53 can be still realized by second body of rod 532 of rotation after suspension and framework 1 assemble, And the changing value of height regulating mechanism entire length is twice of the rotational travel of second body of rod 532, greatly improves adjusting Efficiency, structure are simple and easy to adjust.

In some embodiments, first body of rod, 531 periphery wall has polygonal crosssection, the periphery wall of second body of rod 532 With polygonal crosssection, as shown in figure 14, the periphery wall of first body of rod 531 has hexagonal cross-section.In this way, can be convenient for operation Clamping when personnel are to the adjustment progress height adjustment of bar 53, as operator can be by being connected in first body of rod 531 for open-end wrench Or second the body of rod 532 periphery wall carry out rotation process, convenient for turning.Certainly, operator can also directly hold first body of rod 531 or second body of rod 532, the periphery wall of polygon can increase the friction of the body of rod and hand, improve the efficiency that rotation is adjusted.

In some embodiments, the first end for adjusting bar 53 and the second end of swing rod 52 pass through 54 phase of the first oscillating bearing Even, i.e. adjustment bar 53 can be relatively rotated with swing rod 52, and be connected by the first oscillating bearing 54, and adjustment bar 53 and swing rod 52 are opposite The resistance of rotation is smaller, so that the swing of swing rod 52 is more flexible.

For being connected with framework 1, the second end for adjusting bar 53 is connected adjustment bar 53 by second joint bearing 55, that is, is adjusted Bar 53 can be relatively rotated with framework 1, and be connected by second joint bearing 55, the resistance that adjustment bar 53 and framework 1 relatively rotate It is smaller, it may make adjustment bar 53 more flexible, smooth relative to the rotation of framework 1 as a result,.

Wherein, the first oscillating bearing 54 includes: the first pin shaft 541, first bearing inner ring 542 and first bearing outer ring 543, First pin shaft 541 is connected with the second end of swing rod 52, and first bearing inner ring 542 is set in outside the first pin shaft 541, and first bearing Inner ring 542 and the first pin shaft 541 are relatively fixed, and first bearing outer ring 543 is set in outside first bearing inner ring 542, and first axle Bearing outer-ring 543 is connected with the first end of adjustment bar 53, in this way, when swing rod 52 is swung relative to adjustment bar 53, first bearing inner ring 542, the first pin shaft 541 is rotated relative to first bearing outer ring 543, reasonable in design, it is easy to accomplish swing rod 52 and adjustment bar 53 relative rotation.

Second joint bearing 55 includes: the second pin shaft 551, second bearing inner ring 552 and second bearing outer ring 553, and second Pin shaft 551 is connected with framework 1, and second bearing inner ring 552 is set in outside the second pin shaft 551, and second bearing inner ring 552 and second Pin shaft 551 is relatively fixed, and second bearing outer ring 553 is set in outside second bearing inner ring 552, and second bearing outer ring 553 and tune The second end of whole bar 53 is connected, in this way, when adjustment bar 53 is swung relative to framework 1, second bearing inner ring 552, the second pin shaft 551 It is rotated relative to second bearing outer ring 553, it is reasonable in design, it is easy to accomplish the relative rotation of swing rod 52 and adjustment bar 53.

The air suspension gas of the bogie assembly 1000 of the utility model embodiment is described in detail below with reference to Figure 15-Figure 18 Room 3.

Wherein, air suspension gas chamber 3 includes: gas chamber ontology 31, the first cover board 32 and the second cover board 33.

The both ends open of gas chamber ontology 31, gas chamber ontology 31 are cylinder barrel-like structure, the first cover board 32 and gas chamber ontology 31 First end be connected, the first cover board 32 can be connected with the first end of gas chamber ontology 31 by threaded fastener, with closed air chamber sheet The first end of body 31, and the first cover board 32, for being connected with car body, as shown in Figure 16 and Figure 17, the upper end of gas chamber ontology 31 is spacious It opens, the first cover board 32 is connected with the upper end of gas chamber ontology 31, and as shown in fig. 7, the upper surface of the first cover board 32 is fixed equipped with first Position pin 321, the first positioning pin 321 be it is multiple, multiple first positioning pins 321 the upper surface of the first cover board 32 be spaced apart distribution, Certainly, car body is equipped with the multiple and one-to-one pin hole of multiple first positioning pins 321.In this way, the first cover board 32 can be logical with car body It crosses multiple positioning of first positioning pin 321 to be connected, so that car body is steadily connect with air suspension gas chamber 3, in this way, air suspension gas Room 3 can play stable supporting role to car body, guarantee rail vehicle safe operation.

As shown in Figure 15-Figure 18, the first end of gas chamber ontology 31 is equipped with flange 315, and flange 315 is annular, and flange 315 It radially extends, the first cover board 32 is connected with flange 315 by multiple groups threaded fastener, by the first cover board 32 and gas chamber ontology 31 steadily connect.

Second cover board 33 is connected with the second end of gas chamber ontology 31, the first cover board 32, gas chamber ontology 31, the second cover board 33 limit Gas chamber 34 is made, as shown in Figure 16 and Figure 17, the open at its lower end of gas chamber ontology 31, the lower end of the second cover board 33 and gas chamber ontology 31 It is connected, the second cover board 33 is equipped with first through hole 331, and first through hole 331 is connected to gas chamber 34, and gas chamber 34 passes through with air spring 2 First through hole 331 is connected to, and first through hole 331 with air spring 2 for being connected to, i.e., gas chamber 34 is connected to air spring 2, in this way, The air pressure in gas chamber 34 is adjusted to change the air pressure of air spring 2, and then adjusts the stiffness and strength of air spring 2, so that The stiffness and strength of air spring 2 can be well adapted for the different loaded state of rail vehicle, guarantee that car body is in reasonable high Degree.

Gas chamber ontology 31 is equipped with adjustment hole 316, and as exemplified in figs, adjustment hole 316 is set to the week of gas chamber ontology 31 Wall, adjustment hole 316 are connected to gas chamber 34.Air-flow outside gas chamber ontology 31 can be entered in gas chamber 34 by adjustment hole 316, gas chamber 34 In air-flow can also be discharged by adjustment hole 316, thus, it is possible to adjust the gas pressure intensity in gas chamber 34, and then change air bullet Gas pressure intensity in spring 2, adjusts the stiffness and strength of air spring 2, and structure is simple and easy for installation.And first cover board 32 and gas Room ontology 31 be connected by threaded fastener it is easy to disassemble, air suspension gas chamber 3 be used for a long time after, can be by the first cover board 32 easily It removes, is convenient to clean impurity and steam in gas chamber ontology 31.

According to the utility model embodiment air suspension gas chamber 3, the gas pressure in gas chamber ontology 31 is adjusted, to change The stiffness and strength of air spring 2, and then rigidity requirement of the rail vehicle under different loads state is adapted to, so that rail vehicle Car body be maintained at reasonable height, and gas chamber ontology 31 is connected with the first cover board 32 by threaded fastener, convenient disassembly, just The cleaning of impurity and steam is carried out after long-time service, structure is simple and easy for installation.

In some embodiments, air suspension assembly further include: sealing element 35, sealing element 35 are folded in 32 He of the first cover board Between flange 315, wherein sealing element 35 includes rubber ring, in this way, when the first cover board 32 and flange 315 connect, the first cover board 32 With 315 squeeze sealing member 35 of flange, 35 compressive deformation of sealing element fills the gap between the first cover board 32 and flange 315, as a result, The leakproofness that the first cover board 32 and gas chamber ontology 31 are installed can be greatlyd improve, so that the air-flow in gas chamber 34 is not from the first cover board It is flowed out in gap between 32 and flange 315, guarantees stable gas pressure in gas chamber 34, and then ensure rail vehicle in operational process In, air spring 2 is able to maintain constant stiffness and strength.

In some embodiments, at least one of the first cover board 32, flange 315 are equipped with seal groove 36, i.e. seal groove 36 It can be set to the first cover board 32, seal groove 36 can also be set to flange 315, and sealing element 35 is set to seal groove 36, as shown in figure 16, sealing Slot 36 is set to the lower surface of the first cover board 32, and sealing element 35 is set in seal groove 36 and is bonded with the upper surface of flange 315, In, seal groove 36 can be arranged along the circumferentially extending of the first cover board 32, in this way, the first cover board 32 and flange 315 circumferentially multiple Good sealing effect is all had at position, promotes the whole leakproofness of air suspension gas chamber 3.

In one embodiment, the first cover board 32 and flange 315 are equipped with seal groove 36, and the seal groove of the first cover board 32 36 and flange 315 the setting of 36 face of seal groove, sealing element 35 is set between two seal grooves 36, certainly, sealing element 35 is Elastic component, and the volume of sealing element 35 under natural conditions is greater than the cavity that two seal grooves 36 are formed, in this way, 32 He of the first cover board After the installation of flange 315 is fixed, the intracorporal space of chamber is filled up completely by sealing element 35, significantly enhances the first cover board 32 and gas chamber The leakproofness that ontology 31 connects, and then guarantee that the air pressure in gas chamber ontology 31 is more stable, so that the structural strength of air spring 2 It is relatively reliable.

In some embodiments, seal groove 36 is annular, and seal groove 36 is set to the first cover board 32 towards the one of flange 315 Side, i.e. seal groove 36 are set to the lower surface of the first cover board 32, and sealing element 35 and seal groove 36 are annular, as a result, the first cover board 32 and each position of flange 315 circumferentially effectively sealed against, greatly improve the leakproofness of gas chamber 34.

In some embodiments, as shown in figure 16, the first cover board 32 is equipped with positive stop lug boss towards the side of gas chamber ontology 31 322, the periphery wall of positive stop lug boss 322 presses on the internal perisporium of gas chamber ontology 31, in this way, by the first cover board 32 and gas chamber ontology 31 When being assembled, positive stop lug boss 322 is protruded into gas chamber 34, and positive stop lug boss 322 and gas chamber ontology 31 are in close contact, can be to first Cover board 32 and gas chamber ontology 31 play the role of radially limiting, and avoid the first cover board 32 and the diametrically opposite fortune of gas chamber ontology 31 It is dynamic, it is easily installed, and the leakproofness that the first cover board 32 is connect with gas chamber ontology 31 can be improved, there is good practicability.

In some embodiments, as shown in figure 16, the first end of the internal perisporium of gas chamber ontology 31 is equipped with limiting slot 314, i.e., One end that the internal perisporium of gas chamber ontology 31 is connected with the first cover board 32 is equipped with limiting slot 314, and positive stop lug boss 322 protrudes into limiting slot In 314, and guiding surface can be set in the side of the lower end of positive stop lug boss 322 towards limiting slot 314, guiding surface can be convenient for limiting Position boss 322 is packed into limiting slot 314, and the installation cooperation of positive stop lug boss 322 and limiting slot 314 can reduce the first cover board 32 and The leakproofness of gas chamber 34 is improved in gap between gas chamber ontology 31.

In some embodiments, positive stop lug boss 322 is annular, and the periphery wall of positive stop lug boss 322 presses on gas chamber ontology 31 Internal perisporium, limiting slot 314 be annular, in this way, being all had at each position of the first cover board 32 and gas chamber ontology 31 circumferentially Good position-limiting action, to keep the structure of air suspension gas chamber 3 more stable.

In further embodiments, positive stop lug boss 322 is arc, and positive stop lug boss 322 includes multiple, multiple positive stop lug boss 322 along the first cover board 32 circumferentially spaced setting, and multiple positive stop lug boss 322 be concyclic setting, can both play as a result, very well Position-limiting action, meanwhile, reduce setting positive stop lug boss 322 needed for material, reduce production cost.

In embodiment as shown in figure 16, air suspension gas chamber 3 further includes connecting sleeve 37, and connecting sleeve 37 limits First through hole 331, connecting sleeve 37 is projecting inward to gas chamber 34, can reduce space shared by 3 entirety of air suspension gas chamber as a result, For being connected with the connector 21 of air spring 2, the connector 21 of air spring 2 can be stretched connecting sleeve 37 from the lower end of connecting sleeve 37 Enter, connector 21 is connected with connecting sleeve 37, and then air suspension gas chamber 3 is connected with air spring 2, is adjusted convenient for passing through The stiffness and strength of 34 air pressure adjustment air spring 2 of gas chamber.

In some embodiments, air suspension gas chamber 3 includes: the first mounting bracket 311, the second mounting bracket 312 and Three mounting brackets 313, wherein the first mounting bracket 311 is for installing the first damper 61, and the second mounting bracket 312 is for pacifying Loaded on the second damper 62, third mounting bracket 313 is used to install the baffle plate 13 of framework 1, and gas chamber ontology 31, the second cover board 33 are connected with the first mounting bracket 311, gas chamber ontology 31, the second cover board 33 are connected with the second mounting bracket 312, gas chamber sheet Body 31, the second cover board 33 are connected with third mounting bracket 313, and the first mounting bracket 311, the second mounting bracket 312 and Circumferentially spaced arrangement of three mounting brackets 313 along gas chamber ontology 31.It as a result, can be by air suspension gas chamber 3 and framework 1 steadily It is connected, and then the integrally-built stability of bogie assembly 1000 is turned up, guarantees that each components layout is clear, installs and close Reason.

In some embodiments, as shown in figure 9, the first cover board 32 is equipped with the first positioning pin 321, the first positioning pin 321 is used It is positioned in the first cover board 32 with car body, the first positioning pin 321 includes multiple, multiple first positioning pins 321 distribution spaced apart Deviate from the side of the second cover board 33 in the first cover board 32, is positioned with multiple positions with car body, so that suspension and vehicle Body is accurately positioned, and improves the installation effectiveness of the two.

Second cover board 33 and one in air spring 2 are equipped with the second positioning pin 22, the second cover board 33 in air spring 2 Another be equipped with 22 hole of the second positioning pin, as shown in figure 9, the second cover board 33 be equipped with the second positioning pin 22, the second positioning pin 22 It is inserted into 22 hole of the second positioning pin, good positioning action can be played to the installation of air suspension gas chamber 3 and air spring 2, improved The installation effectiveness of the two.

Air spring 2 is equipped with third positioning pin 23, and third positioning pin 23 is set to air spring 2 and deviates from air suspension gas chamber 3 One end, third positioning pin 23 is used to position with framework 1, and component, which can be equipped with, cooperates the location hole that is connected with third positioning pin 23, It is connected as a result, convenient for air spring 2 with framework 1, is conducive to the installation effectiveness for improving air spring 2 and framework 1.

As shown in Fig. 6-Fig. 7 and Fig. 9, air spring 2 is equipped with lug 24, and it is outstanding close to air that lug 24 is set to air spring 2 One end of gas chamber 3 is hung, lug 24 extends radially outward, and lug 24 is connected with the second cover board 33, and lug 24 can be with the second cover board 33 are connected by threaded fastener, and in one embodiment, air spring 2 includes multiple lugs 24, and multiple lugs 24 are circumferentially It is spaced apart setting, air spring 2 is installed by the multiple positions of multiple lugs 24 and the second cover board 33 circumferentially and is fixed as a result, The stability that air spring 2 is connect with the second cover board 33 is greatlyd improve, and then enhances air suspension gas chamber 3 and air spring 2 Connection stability and reliability.

The utility model also proposed a kind of rail vehicle.

According to the rail vehicle of the utility model embodiment, suspension can be according to the load condition of car body to air spring 2 rigidity, intensity are adaptively adjusted, so that car body is in suitable working depth, and anti-side roller structure 4 has and stablizes vehicle The effect of body two sides guarantees tilting of car body angle in safe range, is conducive to the safety for improving rail vehicle driving and steady Qualitative, rail vehicle includes Straddle type monorail vehicle.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

" fisrt feature ", " second feature " may include one or more spy in the description of the present invention, Sign.

The meaning of " plurality " is two or more in the description of the present invention,.

Fisrt feature may include first and in second feature " on " or " under " in the description of the present invention, Two features directly contact, and also may include that the first and second features are not direct contacts but pass through the other spy between them Sign contact.

Fisrt feature includes first above the second feature " above ", " above " and " above " in the description of the present invention, Feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (11)

1. a kind of air suspension gas chamber of bogie assembly characterized by comprising

The gas chamber ontology of both ends open, the gas chamber ontology are equipped with adjustment hole, and the first end of the gas chamber ontology is equipped with flange；

First cover board, first cover board are connected with the flange, to close the first end of the gas chamber ontology, and described first Cover board with car body for being connected；

Second cover board, second cover board are connected with the second end of the gas chamber ontology, first cover board, the gas chamber sheet Body, second cover board limit discharge chamber, and second cover board is equipped with the first through hole that be connected to the gas chamber, the gas chamber and Air spring is connected to by the first through hole.

2. the air suspension gas chamber of bogie assembly according to claim 1, which is characterized in that further include: sealing element, institute Sealing element is stated to be folded between first cover board and the flange.

3. the air suspension gas chamber of bogie assembly according to claim 2, which is characterized in that first cover board, institute At least one of flange is stated equipped with seal groove, the sealing element is set to the seal groove.

4. the air suspension gas chamber of bogie assembly according to claim 3, which is characterized in that the seal groove is ring Shape, and first cover board is set to towards the side of the flange.

5. the air suspension gas chamber of bogie assembly according to claim 1, which is characterized in that the first cover board direction The side of the gas chamber ontology is equipped with positive stop lug boss, and the periphery wall of the positive stop lug boss presses on the inner circumferential of the gas chamber ontology Wall.

6. the air suspension gas chamber of bogie assembly according to claim 5, which is characterized in that the gas chamber ontology it is interior The first end of peripheral wall is equipped with limiting slot, and the positive stop lug boss protrudes into the limiting slot.

7. the air suspension gas chamber of bogie assembly according to claim 5, which is characterized in that the positive stop lug boss is ring Shape, the periphery wall of the positive stop lug boss press on the internal perisporium of the gas chamber ontology.

8. the air suspension gas chamber of bogie assembly described in any one of -7 according to claim 1, which is characterized in that also wrap It includes: limiting the connecting sleeve of the first through hole, the connecting sleeve is projecting inward to the gas chamber, and the connecting sleeve is used for It is connected with the connector of the air spring.

9. the air suspension gas chamber of bogie assembly described in any one of -7 according to claim 1, which is characterized in that also wrap It includes: for installing the first mounting bracket of the first damper, the second mounting bracket for installing the second damper and for pacifying Fill the third mounting bracket of baffle plate, and first mounting bracket, second mounting bracket and the third mounting bracket It is connected with the gas chamber ontology, second cover board.

10. a kind of bogie assembly, which is characterized in that including air spring and as claimed in any one of claims 1-9 wherein turn To the air suspension gas chamber of frame assembly, the air spring is connected to the first through hole.

11. a kind of rail vehicle, which is characterized in that be provided with bogie assembly as described in claim 10.