CN213676684U - Train bogie with shock-absorbing structure - Google Patents

Abstract

The utility model relates to a train bogie especially is a train bogie with shock-absorbing structure, including a pair of parallel framework, both ends are all rotated around two frameworks and are connected with the wheel pair, and the mounting groove has all been seted up to the position that is close to two wheel pairs about on two frameworks, all is fixed with main damping spring on the upper and lower two cell walls of mounting groove, is fixed with the crossbeam between two upper and lower main damping spring, and the quantity of crossbeam is two, and the middle part position between two frameworks still is provided with damper. The utility model discloses a with a traditional crossbeam improve for two crossbeams that parallel, all set up main damping spring with the both ends of each crossbeam for holistic damping performance is better, utilizes damper simultaneously, has improved the anti-seismic performance of each mechanical parts of bogie middle part position, has solved present train bogie, and damping performance itself is relatively poor, can't eliminate the problem of the harm that vibrations produced when moving effectively.

Description

Train bogie with shock-absorbing structure

Technical Field

The utility model relates to a train bogie, especially a train bogie with shock-absorbing structure.

Background

Train bogie is one of the most important parts in rail vehicle structure, has) support the automobile body, bear and transmit various loads and acting forces from the automobile body to the wheels or from the wheel rail to the automobile body, and make the axle load evenly distributed, increase the important effect such as vehicle load, because the train is in the long-distance operation process, the bogie can take place jolt and shake constantly, and each part of bogie connects comparatively rigidly, long-time shake, if can't effectively damp, can lead to the metal fatigue of each part, reduce the life of whole bogie and increase the probability that the accident appears, present train bogie, the damping performance of itself is relatively poor, can't eliminate the damage that the shake produced during operation effectively, in view of this, we propose a train bogie with shock-absorbing structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is through proposing a train bogie with shock-absorbing structure to solve the defect that proposes in the above-mentioned background art.

The utility model adopts the technical scheme as follows: including a pair of parallel framework, two both ends are all rotated around the framework and are connected with the wheel pair, two be close to on the framework about two the mounting groove has all been seted up to the position of wheel pair, all be fixed with main damping spring on the upper and lower two cell walls of mounting groove, two from top to bottom be fixed with the crossbeam between the main damping spring, the quantity of crossbeam is two, and two middle part position between the framework still is provided with damper.

As an optimal technical solution of the utility model: the damping mechanism comprises two parallel cross beams, fixed beams are fixed between the two cross beams and close to the front end and the rear end of the framework, and a hollow quadrilateral support is formed between the two cross beams and the two fixed beams.

As an optimal technical solution of the utility model: the crossbeam is close to the fixed beam position is fixed with inferior damping spring, four inferior damping spring's top is fixed with the roof, the roof intermediate position of roof installs the tractor.

As an optimal technical solution of the utility model: the crossbeam is close to two wall departments all are fixed with main restriction post about main damping spring's one end, main restriction post passes corresponding main damping spring, just two upper and lower walls of framework with the through-hole has all been seted up to the corresponding position of main restriction post, main restriction post passes main damping spring's one end inlay locate in the through-hole and with sliding connection between the pore wall of through-hole.

As an optimal technical solution of the utility model: the crossbeam is close to fixed beam position is fixed with time restriction post, time restriction post is located time damping spring middle part position and passes the roof, just time restriction post passes be fixed with the restriction piece on the roof of roof one end.

As an optimal technical solution of the utility model: the top walls of the two fixed beams are fixed with supporting plates through a plurality of bolts, the top walls of the supporting plates are provided with air bags, and the top walls of the air bags are abutted to the bottom wall of the top plate.

As an optimal technical solution of the utility model: and reinforcing beams are fixed between the two frameworks at positions close to the front end and the rear end through bolts.

The utility model discloses a with a traditional crossbeam improve for two crossbeams that parallel, all set up main damping spring with the both ends of each crossbeam for holistic damping performance is better, utilizes damper simultaneously, has improved the anti-seismic performance of each mechanical parts of bogie middle part position, has solved present train bogie, and damping performance itself is relatively poor, can't eliminate the problem of the harm that vibrations produced when moving effectively.

Drawings

Fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;

FIG. 2 is a front view of the preferred embodiment of the present invention;

FIG. 3 is a schematic structural view of a shock absorbing mechanism according to a preferred embodiment of the present invention;

FIG. 4 is a front view of a shock absorbing mechanism in a preferred embodiment of the present invention;

fig. 5 is a schematic view of a connection structure of a cross beam and a fixed beam in a preferred embodiment of the present invention.

The reference numbers illustrate:

the frame 1, the wheel pair 2, the mounting groove 21, the main damping spring 211, the through hole 212, the cross beam 3, the fixed beam 31, the supporting plate 311, the air bag 312, the secondary damping spring 32, the secondary limiting column 321, the limiting block 322, the top plate 33, the main limiting column 34, the reinforcing beam 4 and the tractor 5.

Detailed Description

It should be noted that, in the present application, features of embodiments and embodiments can be combined with each other without conflict, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, a preferred embodiment of the present invention provides a train bogie with a shock-absorbing structure, including a pair of parallel frames 1, characterized in that: the front end and the rear end of the two frameworks 1 are rotatably connected with wheel sets 2, the mounting grooves 21 are formed in the positions, close to the left wheel set 2 and the right wheel set 2, of the two frameworks 1, main damping springs 211 are fixed on the upper groove wall and the lower groove wall of each mounting groove 21, cross beams 3 are fixed between the upper main damping spring 211 and the lower main damping spring 211, the number of the cross beams 3 is two, and damping mechanisms are further arranged in the middle positions between the two frameworks 1.

In this embodiment, the single beam 3 is improved to be a structure with two parallel beams 3, so that the vibration generated in the operation process of the bogie can be dispersed more uniformly, and the overall stability of the whole bogie is improved.

Further, the damping mechanism comprises two parallel cross beams 3, fixed beams 31 are fixed between the two cross beams 3 and close to the front end and the rear end of the framework 1, and a hollow quadrilateral support is formed between the two cross beams 3 and the two fixed beams 31; fixed beam 31 is used for consolidating two crossbeams 3 for the whole more firm of bogie, simultaneously in the hollow region that crossbeam 3 and fixed beam 31 constitute, install a plurality of bogie component picture and show in the figure, this is the required necessary part of bogie normal operating, nevertheless the utility model discloses a do not relate to the improvement to these parts, so do not give unnecessary details.

Further, secondary damping springs 32 are fixed on the positions, close to the fixed beam 31, of the cross beam 3, top plates 33 are fixed at the top ends of the four secondary damping springs 32, and a tractor 5 is installed in the middle of the top wall of each top plate 33; the secondary damping spring 32 is used for providing an effective damping effect for the middle part of the bogie, so that the vibration generated in the running process of the train can be released more uniformly, the damage of vibration and jolt to each mechanical part in the bogie is reduced, and the service life is prolonged.

Furthermore, main limiting columns 34 are fixed on the upper wall and the lower wall of one end, close to the main damping spring 211, of the cross beam 3, the main limiting columns 34 penetrate through the corresponding main damping springs 211, through holes 212 are formed in the positions, corresponding to the main limiting columns 34, of the upper wall and the lower wall of the framework 1, and one end, penetrating through the main damping springs 211, of each main limiting column 34 is embedded in the corresponding through hole 212 and is in sliding connection with the hole wall of the corresponding through hole 212; in order to prevent the main damping spring 211 from deviating and twisting in the long-term vibration process and further cause the cross beam 3 to swing to a large extent, the cross beam 3 and the main damping spring 211 are limited by the main limiting column 34, and the overall stability and the shock resistance are ensured.

Further, a secondary limiting column 321 is fixed on the cross beam 3 near the fixed beam 31, the secondary limiting column 321 is located in the middle of the secondary damping spring 32 and penetrates through the top plate 33, and a limiting block 322 is fixed on the top wall of one end, penetrating through the top plate 33, of the secondary limiting column 321; the secondary restraint posts 321 serve to restrain the top plate 33 and the secondary damping springs 32 from a large degree of oscillation of the retractor 5, while the retractor 5 serves to connect to upper train components, as is known in the art and will not be described further herein.

In addition, the top walls of the two fixed beams 31 are fixed with supporting plates 311 through a plurality of bolts, the top walls of the supporting plates 311 are provided with air bags 312, and the top walls of the air bags 312 are abutted against the bottom wall of the top plate 33; the support plate 311 serves to protect various mechanical parts located in the hollow region formed by the cross beam 3 and the fixed beam 31, and at the same time, provides support for the air bag 312, and the air bag 312 serves to further enhance the damping performance of the damping mechanism.

In addition, reinforcing beams 4 are fixed between the two frameworks 1 at positions close to the front end and the rear end through bolts; the connection between the two frames 1 is firmer, and the firmness of the whole bogie is improved.

The utility model discloses a train bogie with shock-absorbing structure, through improving single crossbeam 3 into the structure that two crossbeams 3 are side by side, can make this bogie vibrations that produce in the operation disperse more evenly, in the in-process of train operation, whole bogie all can produce vibrations and jolt, at this moment, vibrations that produce on two frameworks 1 transmit to main damping spring 211 department, make crossbeam 3 begin to reciprocate, two upper and lower main damping spring 211 one is compressed, one is stretched, through the interact of two main damping spring 211, make the shaking force slow down and offset in continuous compression and stretching process, simultaneously, the vibrations that produce by the upper portion train part that tractor 5 connects in the middle part of the bogie, be slowed down and offset by inferior damping spring 32 and air bag 312, make the train in the continuous in-process production many vibrations and jolt, the homoenergetic is comparatively effectual to be alleviated, has solved present train bogie, and the damping performance of itself is relatively poor, can't eliminate the problem of the harm that vibrations produced when moving effectively.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A train bogie with shock-absorbing structure, comprising a pair of parallel frames (1), characterized in that: two both ends all rotate around framework (1) and are connected with wheel pair (2), two be close to about two on framework (1) mounting groove (21) have all been seted up to the position of wheel pair (2), all be fixed with main damping spring (211) on the upper and lower two cell walls of mounting groove (21), two from top to bottom be fixed with crossbeam (3) between main damping spring (211), the quantity of crossbeam (3) is two, and two middle part position between framework (1) still is provided with damper.

2. The train bogie with shock-absorbing structure according to claim 1, wherein: the damping mechanism comprises two parallel cross beams (3), fixed beams (31) are fixed at the front end and the rear end of the two cross beams (3) close to the framework (1), and a hollow quadrilateral support is formed between the two cross beams (3) and the two fixed beams (31).

3. The train bogie with shock-absorbing structure according to claim 2, wherein: crossbeam (3) are close to fixed beam (31) fixed position has inferior damping spring (32), four the top of inferior damping spring (32) is fixed with roof (33), tractor (5) are installed to the roof intermediate position of roof (33).

4. The train bogie with shock-absorbing structure according to claim 1, wherein: crossbeam (3) are close to two wall departments all are fixed with main restriction post (34) about the one end of main damping spring (211), main restriction post (34) pass corresponding main damping spring (211), just two upper and lower walls of framework (1) with through-hole (212) have all been seted up to the corresponding position of main restriction post (34), main restriction post (34) pass the one end of main damping spring (211) inlay to be located in through-hole (212) and with sliding connection between the pore wall of through-hole (212).

5. The train bogie with shock-absorbing structure according to claim 3, wherein: the beam (3) is close to the fixed beam (31) and is fixedly provided with a secondary limiting column (321), the secondary limiting column (321) is located in the middle of the secondary damping spring (32) and penetrates through the top plate (33), and the secondary limiting column (321) penetrates through a limiting block (322) fixed on the top wall of one end of the top plate (33).

6. The train bogie with shock-absorbing structure according to claim 3, wherein: the top walls of the two fixed beams (31) are fixed with supporting plates (311) through a plurality of bolts, the top walls of the supporting plates (311) are provided with air bags (312), and the top walls of the air bags (312) are abutted to the bottom wall of the top plate (33).

7. The train bogie with shock-absorbing structure according to claim 1, wherein: and reinforcing beams (4) are fixed between the two frameworks (1) at positions close to the front end and the rear end through bolts.

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