CN223949148U - A modular, quick-change bogie frame - Google Patents

Abstract

The utility model relates to the technical field of rail transit equipment and discloses a modularized quick-replaceable bogie frame which comprises a bearing plate, wherein a plurality of supports are fixedly connected to the top end of the bearing plate, a plurality of damping posts I are respectively and fixedly connected to the inner parts of the far sides of the supports, concave damping pads are respectively and slidably connected to the inner parts of the far sides of the supports, a plurality of limiting blocks I are respectively and fixedly connected to the inner parts of the far sides of the supports, a connecting shaft I is rotatably connected to the inner parts of the close sides of the two limiting blocks I, and damping rods are respectively and fixedly connected to the outer parts of the close sides of the two connecting shafts I. According to the utility model, the problem that the modularized quickly replaceable bogie frame has insufficient protection in use is effectively solved. The safety, the reliability and the service life of the bogie frame are improved, and a solid guarantee is provided for the efficient and stable operation of rail transit equipment.

Description

Modularized bogie frame capable of being replaced quickly

Technical Field

The utility model relates to the technical field of rail transit equipment, in particular to a modularized bogie frame capable of being replaced quickly.

Background

The modularized quickly replaceable bogie frame is an innovative component applied to rail transit vehicles, the bogie frame is designed into a plurality of modules with relatively independent functions, the modules are assembled together through standardized interfaces and connection modes, and when a certain module fails or needs maintenance in the running process of the vehicle, the module can be quickly and conveniently detached and replaced, so that the maintenance time of the vehicle is greatly shortened, the service efficiency of the vehicle is improved, the maintenance cost is reduced, the overall performance and reliability of the bogie are ensured, and powerful support is provided for efficient operation of rail transit.

The bogie frame performs its function through its own structural design and cooperation with other components. The vehicle support structure is characterized in that the weight of the vehicle is uniformly transferred to wheel pairs by means of side beams, cross beams and other parts, the wheel pairs are contacted with a rail to generate rolling friction force to drive the vehicle to advance or retreat, meanwhile, vibration and impact of the vehicle in running can be buffered by a framework by means of a spring suspension device and the like to ensure the stability of the vehicle, and in addition, the framework is connected with the wheel pairs, a traction device, a braking device and the like to guide the vehicle to run along the rail, so that steering, acceleration, deceleration, parking and other operations of the vehicle are realized, and safe and efficient running of the vehicle is ensured.

However, in the prior art, the bogie frame which is partially modularized and can be quickly replaced has the problem of insufficient protection in use, and in the moving and replacing process of the bogie frame, due to the lack of effective buffering protection measures, unexpected collision with adjacent bogies or peripheral overhaul equipment, tools and the like is very easy to occur. The collision can not only lead to the damage of the surface coating of the framework and the structural deformation, but also more easily damage the key components such as the internal precise hydraulic pipeline, the electric circuit, the sensor and the like, cause potential safety hazards such as abnormal signal transmission, braking failure and the like, greatly increase the maintenance cost and the vehicle stop time, severely restrict the safe and efficient operation of the rail transit system, and therefore, the bogie framework capable of being modularized and replaced quickly is provided to solve the problems.

Disclosure of utility model

In order to overcome the defects, the utility model provides a modularized quickly replaceable bogie frame, which aims to solve the problem that the modularized quickly replaceable bogie frame in the prior art has insufficient protection in use.

In order to achieve the above purpose, the modularized quick-replaceable bogie frame comprises a bearing plate, wherein the top end of the bearing plate is fixedly connected with a plurality of supports, the insides of the far sides of the supports are respectively fixedly connected with a plurality of damping posts I, the insides of the far sides of the supports are respectively and slidably connected with concave damping pads, the insides of the far sides of the supports are respectively and fixedly connected with a plurality of limiting blocks I, the insides of the close sides of the two limiting blocks I are rotationally connected with a connecting shaft I, the outsides of the close sides of the two connecting shafts I are respectively and fixedly connected with a damping rod, the insides of the close ends of the two damping rods are respectively and fixedly connected with a connecting shaft II, the upper ends and the lower ends of the two connecting shafts II are respectively and rotatably connected with a limiting block II, the close ends of the limiting blocks II are respectively and fixedly connected with a convex damping pad, the far sides of the convex damping pads are respectively and fixedly connected with a protecting pad, and the insides of the hanging plate are fixedly connected with a bearing assembly.

As a further description of the technical scheme, the hanging component comprises two sliding columns, the outer parts of the two ends of the two sliding columns are respectively and slidably connected with the inner walls of the two sides of the bearing plate, the outer parts of the far sides of the two sliding columns are respectively and rotatably connected with a right connecting column, the far sides of the two connecting columns are respectively and fixedly connected with a right hanging ring, the inner parts of the top ends of the two connecting columns are respectively and spirally connected with a limiting nut II, and the inner parts of the two sides of the bearing plate are respectively and spirally connected with a limiting nut I.

As further description of the technical scheme, the outer threads of the two limit nuts II are connected inside the top end of the bearing plate, and the outer threads of the similar side of the two limit nuts I are connected outside the two sliding columns.

As a further description of the technical scheme, the outer parts of the two connecting columns are connected with the inner walls of the two sides of the bearing plate in a sliding manner, and the outer parts of the two hanging rings are connected with the inner walls of the two sides of the bearing plate in a sliding manner.

As further description of the technical scheme, springs I are sleeved outside the damping columns I, and springs II are sleeved outside the damping columns II.

As further description of the technical scheme, the similar sides of the second limiting blocks are fixedly connected to the two sides of the convex vibration reduction pad, and the similar sides of the protection pads are slidably connected to the far sides of the brackets.

As a further description of the technical scheme, the outer parts of the far sides of the concave vibration reduction pads are connected to the near sides of the convex vibration reduction pads in a sliding manner, the far sides of the damping columns I are fixedly connected to the near sides of the concave vibration reduction pads, and the outer parts of the convex vibration reduction pads are connected to the inner parts of the brackets in a sliding manner.

As further description of the technical scheme, the bottom ends of the brackets are fixedly connected with a plurality of support columns respectively, the bottom ends of the two support columns are fixedly connected with connecting frames respectively, one side of each connecting frame is connected with a rotating shaft in a rotating mode, and the outer parts of the two ends of each rotating shaft are fixedly connected with rotating wheels respectively.

The utility model has the following beneficial effects:

1. According to the utility model, in the modularized bogie frame capable of being quickly replaced, when external impact is received, the protection pad is stressed to drive the damping column II to move, the compression spring II generates buffering, meanwhile, the convex vibration damping pad is connected with the damping rod in a rotating way through the connecting shaft II to transmit impact force to the damping rod, the damping rod drives the connecting shaft I and the limiting block I to move, so that the concave vibration damping pad slides in the bracket to compress the spring I outside the damping column I for further vibration damping, the concave vibration damping pad is in sliding fit with the convex vibration damping pad, impact force can be dispersed, the multiple vibration damping columns and the spring structure work cooperatively, and vibration energy is greatly weakened, so that the effects of efficiently absorbing external impact force, reducing vibration transmission and enhancing protection performance are realized, and the bogie frame and internal components thereof are effectively protected.

2. According to the utility model, when the bogie frame is required to be hung, the hanging ring is pulled to drive the connecting column to move, the connecting column slides on the inner walls of the two sides of the bearing plate, meanwhile, the sliding column is driven to transversely slide on the inner walls of the bearing plate, so that the hanging ring stretches out to a proper position, at the moment, the second limit nut is matched with the inner part of the top end of the bearing plate, the first limit nut is matched with the sliding column to fix the position of the hanging ring, after the hanging is finished, the hanging ring is pushed reversely, the connecting column and the sliding column are driven to reversely slide, and the hanging ring is retracted into the inner walls of the bearing plate, so that the hanging component can conveniently stretch out for use and storage, the hanging requirement is met, the storage space is saved, and the flexibility of using and carrying the bogie frame is improved.

Drawings

FIG. 1 is a schematic perspective view of a modular quick-change truck frame in accordance with the present utility model;

FIG. 2 is a schematic view of a modular, quick-replaceable bogie frame bracket according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is an enlarged view at B in fig. 2.

Legend description:

1. The device comprises a bearing plate, a support, a first damping column, a first spring, a second concave vibration reduction pad, a first limiting block, a first connecting shaft, a second damping rod, a second connecting shaft, a first limiting block, a second limiting block, a first convex vibration reduction pad, a second damping column, a second 13, a second spring, a second 14, a protection pad, a first 15, a sliding column, a second 16, a connecting column, a first 17, a first limiting nut, a second 18, a lifting ring, a second 19, a second limiting nut, a second 20, a supporting column, a second 21, a connecting frame, a second 22, a rotating shaft, a second 23 and a rotating wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in one embodiment of the present utility model, a modularized quickly replaceable bogie frame includes a bearing plate 1, wherein a plurality of brackets 2 are fixedly connected to the top end of the bearing plate 1, a plurality of damping columns 3 are fixedly connected to the inside of the far side of the brackets 2, respectively, and the damping columns 3 can convert mechanical energy into thermal energy through the shearing deformation of internal damping materials, thereby consuming vibration energy. The inside sliding connection that is located in one side mutually far away of a plurality of supports 2 has concave damping pad 5 respectively, and when receiving external impact force, concave damping pad 5 can slide along specific direction in support 2, absorbs impact energy through self elastic deformation, and a plurality of stopper I6 of inside fixedly connected with respectively in one side far away mutually of a plurality of supports 2, and the main effect is for connecting axle I7 provides the installation fulcrum to the rotation scope of limiting connecting axle I7 ensures that damping pole 8 swings in reasonable angle range, prevents to lead to structural damage because of excessive swing.

The inside rotation in close one side of two stopper one 6 is connected with connecting axle one 7, and connecting axle one 7 is as the junction hinge between damping rod 8 and the stopper one 6, can rotate in a flexible way in stopper one 6, and the outside fixedly connected with damping rod 8 respectively in close one side of two connecting axles one 7, when receiving vibration or impact, damping rod 8 takes place the swing under the drive of connecting axle one 7, and hydraulic damping device consumes the swing energy through the flow damping of fluid, effectively suppresses the transmission of vibration. The inside fixedly connected with connecting axle two 9 respectively of close one end of two damping bars 8, connecting axle two 9 link together damping bar 8 and stopper two 10 and convex damping pad 11 for the swing of damping bar 8 can transmit to convex damping pad 11 smoothly, guarantees that the force transmission of whole damping system is smooth, ensures each part collaborative work, plays the damping effect jointly.

The upper end and the lower end of the two connecting shafts II 9 are respectively connected with a limiting block II 10 in a rotating mode, the connecting shafts II 9 can be guaranteed to be stable when stressed, structural failure caused by excessive rotation is prevented, and meanwhile guiding and limiting effects are provided for movement of the convex vibration damping pad 11. The close one end fixedly connected with convex damping pad 11 of a plurality of stopper second 10, when receiving external impact, the convex damping pad 11 takes place elastic deformation under the drive of damping pole 8 and connecting axle second 9, absorb and disperse impact energy jointly with concave damping pad 5, further strengthen the cushioning properties of whole damping system, the looks remote side of a plurality of convex damping pads 11 is fixedly connected with damping post second 12 respectively, fixed connection is on convex damping pad 11, can be when convex damping pad 11 receives the impact, consume energy through the damping characteristic of self, provide reverse holding power for convex damping pad 11 simultaneously, slow down its deformation speed, further promote the damping effect.

The protection pad 14 is fixedly connected to the far side of the second damping columns 12, and the protection pad 14 is used as the outermost protection structure of the bogie frame and is directly contacted with the external environment, so that external invasion such as stone impact, rain erosion, sand and dust abrasion and the like can be effectively resisted, and the internal vibration reduction structure and other important parts are protected. At the same time, when impacted, the elastic deformation of the protection pad 14 itself can absorb part of energy, and provide additional buffer protection for the whole framework. The inside fixedly connected with of bearing plate 1 is used for hanging and gets the subassembly.

With reference to fig. 2 to 4, the lifting assembly comprises two slide posts 15, which are guiding and supporting members for lateral movement of the lifting ring 18, and the lifting ring 18 can be extended or retracted by sliding on the inner wall of the bearing plate 1. The two outer parts of the two sliding columns 15 are respectively and slidably connected to the inner walls of the two sides of the bearing plate 1, the outer parts of the two sliding columns 15 on the far sides are respectively and rotatably connected with the right connecting column 16, when the hanging ring 18 is pulled, the connecting column 16 can rotate on the sliding column 15 and simultaneously move along with the sliding of the sliding column 15, so that the hanging ring 18 is driven to reach a designated position.

The right hanging ring 18 is fixedly connected to the far side of the two connecting columns 16 respectively, an operator applies a pulling force through the hanging ring 18, the hanging ring 18 transmits a force to the connecting columns 16, and the force is transmitted to the bearing plate 1 through the connecting columns 16 and the sliding columns 15, so that the bogie frame is hung. The two connecting columns 16 are respectively connected with a second limiting nut 19 in a threaded manner in the top ends, and after the connecting columns 16 and the hanging rings 18 are driven by the sliding column 15 to extend to a proper position, the second limiting nuts 19 can be screwed with threaded holes in the top ends of the bearing plates 1, so that the connecting columns 16 and the sliding column 15 are fixed, and are prevented from sliding in the hoisting process. The two sides of the bearing plate 1 are internally and respectively connected with a first limit nut 17 in a threaded manner. When the slide post 15 slides to a designated position, the first stop nut 17 can be engaged with threads on the slide post 15 to secure the slide post 15.

Referring to fig. 1 to 3, the two second limit nuts 19 are externally screwed on the top of the bearing plate 1, and the second limit nuts 19 are screwed tightly, so that the connecting column 16 can be firmly locked on the bearing plate 1, and the lifting ring 18 is prevented from accidentally sliding during the lifting operation. The adjacent side of the two stop nuts 17 is externally threaded on the outside of the two spools 15. When the sliding column 15 drives the hanging ring 18 to move, the limit nut I17 can fix the approximate position of the sliding column 15 in advance, a foundation is provided for accurate locking of the limit nut II 19, the outer parts of the two connecting columns 16 are connected to the inner walls of the two sides of the bearing plate 1 in a sliding mode, when the hanging ring 18 is required to be hung, an operator pulls the hanging ring 18, the connecting columns 16 slide on the inner wall of the bearing plate 1 along with the hanging ring 18 to extend the hanging ring 18, after hanging is finished, the hanging ring 18 is pushed reversely, and the connecting columns 16 drive the hanging ring 18 to retract. The outer parts of the two hanging rings 18 are connected with the inner walls of the two sides of the bearing plate 1 in a sliding manner. When the connecting column 16 slides, the hanging ring 18 synchronously moves along the guide groove on the inner wall of the bearing plate 1. In the lifting process, the lifting ring 18 serves as a direct stressed component, and the lifting force is transmitted to the bearing plate 1 through the connecting column 16 and the sliding column 15. The outside of a plurality of damping post one 3 all overlaps and is equipped with spring one 4, and when impact force weakens, spring one 4 relies on self elasticity restoring force to promote concave damping pad 5 to reset, works in coordination with damping post one 3, continuously exerts the damping effect. The first spring 4 is sleeved outside the first damping column 3, provides elastic support for the concave vibration reduction pad 5, and limits the movement amplitude of the concave vibration reduction pad to prevent structural failure caused by excessive displacement. The outer parts of the damping columns II 12 are respectively sleeved with a spring II 13. The second spring 13 is sleeved outside the second damping column 12, and forms a second-level vibration reduction structure together with the second damping column 12, so that vibration and impact force transmitted to the bogie frame are further weakened. And one side close to the second limiting blocks 10 is fixedly connected to two sides of the convex vibration reduction pad 11, when the convex vibration reduction pad 11 is elastically deformed by impact force, the second limiting blocks 10, the second connecting shaft 9 and the damping rod 8 work cooperatively, the impact force is sequentially transmitted, and the stability of the whole vibration reduction system is ensured. The proximal side of the plurality of guard pads 14 is slidably coupled to the distal side of the plurality of brackets 2. Part of the impact force is absorbed through the elastic deformation of the support, and meanwhile, the direct impact on the support 2 is reduced. The outer parts of the far sides of the concave vibration reduction pads 5 are connected to the near sides of the convex vibration reduction pads 11 in a sliding mode, the concave vibration reduction pads 5 and the convex vibration reduction pads 11 are mutually extruded and slide, impact energy is absorbed and dispersed through elastic deformation and relative displacement of the concave vibration reduction pads 5, and meanwhile the damping column I3 and the spring I4 are matched with the damping column II 12 and the spring II 13, so that a multistage vibration reduction effect is achieved. The far side of the damping columns I3 is fixedly connected to the near side of the concave damping pads 5, and the outer parts of the convex damping pads 11 are slidably connected to the inner parts of the brackets 2. When the convex vibration-damping pad 11 receives impact force, it slides in the sliding groove inside the bracket 2, and the impact force is dispersed and transferred to the bracket 2 through the interaction with the inner wall of the bracket 2, and at the same time, the convex vibration-damping pad elastically deforms to absorb energy. The bottom ends of the brackets 2 are fixedly connected with a plurality of support columns 20 respectively, and the support columns 20 have the main function of further dispersing the load transmitted by the brackets 2 to the connecting frame 21 below and enhancing the vertical supporting strength of the whole bogie frame. The bottom ends of the two support columns 20 are fixedly connected with connecting frames 21 respectively, so that the support columns play a role in supporting up and down, and the load transmitted by the support columns 20 is uniformly distributed to the rotating wheels 23. The rotating shafts 22 are rotatably connected to one side of the two connecting frames 21 close to each other, the rotating wheels 23 drive the rotating shafts 22 to rotate through friction force generated by contact with the rails, and the rotating shafts 22 transmit rotation to the connecting frames 21 and the whole bogie frame to realize movement of the vehicle. The outer parts of the two ends of the two rotating shafts 22 are fixedly connected with rotating wheels 23 respectively.

When the bogie frame is subjected to external impact, the protection pad 14 is stressed to drive the damping column II 12 to move, the compression spring II 13 generates primary buffering, meanwhile, the convex vibration damping pad 11 is connected with the damping rod 8 in a rotating way through the connecting shaft II 9 to transmit impact force to the damping rod 8, the damping rod 8 drives the connecting shaft I7 and the limiting block I6 to move, so that the concave vibration damping pad 5 slides in the bracket 2, the spring I4 outside the compression damping column I3 performs secondary vibration damping, the sliding fit of the concave vibration damping pad 5 and the convex vibration damping pad 11 further disperses the impact force, and the multiple damping columns and the spring structure work cooperatively to effectively weaken vibration energy, thereby realizing the effects of efficiently absorbing the external impact force, reducing vibration transmission and enhancing the protection performance, providing reliable protection for the bogie frame and internal components thereof, prolonging the service life of the bogie frame and ensuring the stable operation of the bogie frame under complex working conditions.

When the bogie frame is required to be hung, the hanging ring 18 is pulled to drive the connecting column 16 to move, the connecting column 16 slides on the inner walls at two sides of the bearing plate 1 and drives the sliding column 15 to transversely slide on the inner wall of the bearing plate 1, so that the hanging ring 18 stretches out to a proper position, at the moment, the limiting nut II 19 is fixedly matched with the inner part of the top end of the bearing plate 1, the limiting nut I17 is tightly connected with the sliding column 15 to fix the position of the hanging ring 18, after the hanging operation is finished, the hanging ring 18 is pushed reversely, the connecting column 16 and the sliding column 15 are driven to reversely slide, the hanging ring 18 is retracted into the inner wall of the bearing plate 1 to be hidden, and therefore the effect that the hanging component is conveniently stretched out to use and quickly retracted to be stored is achieved, the hanging and carrying requirement of the bogie frame is met, the occupied space is reduced when the bogie frame is idle, the operation convenience and the space utilization rate are improved, and the use and storage experience of the bogie frame is optimized.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (8)

1. The utility model provides a but modularization quick replacement's bogie framework, includes bearing plate (1), its characterized in that the top fixedly connected with of bearing plate (1) a plurality of supports (2), a plurality of inside fixedly connected with of looks remote side of support (2) a plurality of damping post (3) respectively, a plurality of inside sliding connection of looks remote side of support (2) has concave damping pad (5) respectively, a plurality of inside fixedly connected with a plurality of stopper (6) respectively of remote side of support (2), two the inside rotation of near one side of stopper (6) is connected with connecting axle (7), two outside fixedly connected with damping pole (8) respectively of near one side of connecting axle (7), two the inside fixedly connected with connecting axle (9) respectively of near one end of damping pole (8), two the upper and lower ends of connecting axle (9) are rotated respectively and are connected with stopper (10), a plurality of near one end fixedly connected with convex pad (11) of stopper (10) respectively, a plurality of the inside fixedly connected with of the damping post (12) of taking the second side of the second of the same side of the end of the stopper (12) is connected with the inside fixedly connected with damping post (12) respectively.

2. The modularized quickly replaceable bogie frame according to claim 1, wherein the hoisting assembly comprises two slide posts (15), the outer parts of two ends of the two slide posts (15) are respectively and slidably connected with the inner walls of two sides of the bearing plate (1), the outer parts of the far sides of the two slide posts (15) are respectively and rotatably connected with a right connecting post (16), the far sides of the two connecting posts (16) are respectively and fixedly connected with a right hanging ring (18), the inner parts of the top ends of the two connecting posts (16) are respectively and threadably connected with a limit nut II (19), and the inner parts of two sides of the bearing plate (1) are respectively and threadably connected with a limit nut I (17).

3. A modular quick-change bogie frame according to claim 2, characterized in that the external screw thread of the two limit nuts two (19) is connected inside the top end of the bearing plate (1) and the proximal side of the two limit nuts one (17) is externally screw-connected outside the two slide posts (15).

4. A modular quick-change bogie frame according to claim 2, characterized in that the outer parts of the two connecting columns (16) are slidingly connected to the inner walls of the two sides of the load-bearing plate (1), and the outer parts of the two lifting rings (18) are slidingly connected to the inner walls of the two sides of the load-bearing plate (1).

5. A modular quick-replaceable bogie frame as claimed in claim 1, wherein the outer parts of the damping columns I (3) are respectively sleeved with a spring I (4), and the outer parts of the damping columns II (12) are respectively sleeved with a spring II (13).

6. A modular quick-change truck frame as set forth in claim 1 wherein adjacent sides of said second plurality of stop blocks (10) are fixedly attached to opposite sides of said convex shock absorbing pad (11) and adjacent sides of said protective pad (14) are slidably attached to opposite sides of said plurality of brackets (2).

7. A modular quick-change truck frame as set forth in claim 1 wherein the outer, distal sides of said plurality of concave shock absorbing pads (5) are slidably connected to the proximal sides of said plurality of convex shock absorbing pads (11), the distal sides of said plurality of first damping columns (3) are fixedly connected to the proximal sides of said plurality of concave shock absorbing pads (5), and the outer, plurality of convex shock absorbing pads (11) are slidably connected to the inner of said plurality of brackets (2).

8. The modularized quick-replaceable bogie frame according to claim 1, wherein a plurality of support columns (20) are fixedly connected to the bottom ends of the plurality of supports (2), connecting frames (21) are fixedly connected to the bottom ends of the two support columns (20), rotating shafts (22) are rotatably connected to one side of the two connecting frames (21), and rotating wheels (23) are fixedly connected to the outer portions of two ends of the two rotating shafts (22).