CN202579781U

CN202579781U - Journal box spring for urban light rail train

Info

Publication number: CN202579781U
Application number: CN 201220178283
Authority: CN
Inventors: 陈春高; 顾小峰; 吴坤进
Original assignee: CHANGZHOU ZHONGHAO TRACK TRAFFIC TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: CHANGZHOU ZHONGHAO TRACK TRAFFIC TECHNOLOGY DEVELOPMENT Co Ltd
Priority date: 2012-04-25
Filing date: 2012-04-25
Publication date: 2012-12-05
Anticipated expiration: 2022-04-25

Abstract

The utility model discloses a journal box spring for an urban light rail train. The journal box spring comprises a jacket, a mandrel and a spring body for connecting the jacket and the mandrel, wherein the spring body comprises a plurality of rubber layers; spacers are arranged among adjacent rubber layers; the innermost rubber layer is adhered to the mandrel; the outermost rubber layer is adhered to the jacket; and the thicknesses of a plurality of rubber layers are gradually reduced from inside to outside in sequence. Strain generated by the rubber layers in the running process is the same, so that the safe life of the same material under the same working condition is basically kept the same, the problem of inconsistent performance of the rubber layers due to the position difference of the rubber layers in the process of forming a product can be solved, and the running safety of the urban light rail train and the reliability of product quality assurance capability are improved.

Description

The automobile-used journal box spring of urban light rail

Technical field

The utility model relates to a kind of rail traffic vehicles and uses accessory, specifically, relates to the automobile-used journal box spring of a kind of urban light rail.

Background technique

[0002] present; Urban Light Rail Vehicle journal box spring under the existing technology mainly adopts following two kinds of structures, and the one, the design of employing rubber layer five equilibrium is in the vehicle operating process; The load that each layer rubber is born is identical; But because not waiting, the free area of every layer of rubber do not make the stress and strain of every layer of rubber generation all not wait, unpredictable to the influence in product working life, and also unpredictable to the actual effect position of product; Another kind of is to adopt rubber layer from inside to outside to thicken successively; This structural principle is rigidity Design such as each layer rubber, and in the vehicle operating process, the stretching of rubber layer generation increases successively from inside to outside; Because rubber material is identical, certainly will be unfavorable to the generation in working life of outermost surface rubber; On the moulding angle, also there is adverse effect in above-mentioned two kinds of mode of structure to the conformity that keeps inside and outside rubber layer, also will have influence on mass stability and even traffic safety.

Summary of the invention

The purpose of the utility model is the defective that overcomes existing technology, and a kind of strain urban light rail automobile-used journal box springs consistent with performance such as each layer rubber layer that keep are provided.

The technological scheme that realizes the utility model purpose is: the automobile-used journal box spring of a kind of urban light rail; It comprises overcoat, mandrel and the spring body that connects overcoat and mandrel; This spring body comprises the several layers rubber layer, and has partition between the adjacent rubber layer, and the rubber layer of innermost layer is mutually bonding with mandrel; Outermost rubber layer is mutually bonding with overcoat, and the thickness of described several layers rubber layer successively decreases from nexine toward skin successively.

Further, the number of plies of described rubber layer is 3 layers, and the quantity of described partition is 2.

After having adopted technique scheme, mandrel is connected with the truck journal box position, the vibration of wheel to producing in the vehicle operating; Be passed to journal box spring; Vibration wave is decayed amplitude through spacer in the journal box spring and the rubber layer spring body that is compounded to form that staggers, and reaches the effect of vibration and noise reducing after vibration frequency is changed, because rubber layer is big more the closer to the stress that mandrel receives; Outwards reduce gradually then; Around this principle, rubber layer thickness is successively decreased to outer field thickness by nexine successively, the strain that each layer rubber layer that be in operation like this produces will be identical; Make same material under identical operating mode; It is identical that safe life keeps basically, and can also solve in the formed product process because the difference of each layer rubber layer present position makes the inconsistent problem of each rubber layer performance the Security when having improved the operation of urban light rail vehicle and the reliability of quality of product supportability.

Description of drawings

Fig. 1 is the structural representation of the automobile-used journal box spring of urban light rail of the utility model.

Embodiment

For the content that makes the utility model is expressly understood more easily, below according to specific embodiment and combine accompanying drawing, the utility model is done further detailed explanation,

As shown in Figure 1; The automobile-used journal box spring of a kind of urban light rail, it comprises overcoat 1, mandrel 4 and the spring body that connects overcoat 1 and mandrel 4, this spring body comprises three layers of rubber layer 3; And has partition 2 between the adjacent rubber layer 3; The rubber layer 3 of innermost layer is mutually bonding with mandrel 4, and outermost rubber layer 3 is mutually bonding with overcoat 1, and the thickness of three layers of rubber layer 3 successively decreases from nexine toward skin successively.

The quantity of the number of plies of rubber layer 3 and partition 2 can specifically be selected as the case may be, the quantity that is not limited to limit among the embodiment.

The working principle of the utility model is following:

Mandrel 4 is connected with the truck journal box position; The vibration of wheel to producing is passed to journal box spring in the vehicle operating, and vibration wave is decayed amplitude through partition in the journal box spring 2 and rubber layer 3 spring body that is compounded to form that staggers; Reach the effect of vibration and noise reducing after vibration frequency changed; Because rubber layer 3 is big more the closer to the stress that mandrel 4 receives, outwards reduce gradually then, around this principle; Rubber layer 3 thickness are successively decreased to outer field thickness by nexine successively; The strain that each layer rubber layer 3 that be in operation like this produces will be identical, makes same material under identical operating mode, and it is identical that safe life keeps basically; And can also solve in the formed product process because the difference of each layer rubber layer 3 present positions makes the inconsistent problem of each rubber layer performance the Security when having improved the operation of urban light rail vehicle and the reliability of quality of product supportability.

Above-described specific embodiment; Purpose, technological scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims

1. automobile-used journal box spring of urban light rail; It comprises overcoat (1), mandrel (4) and the spring body that connects overcoat (1) and mandrel (4); This spring body comprises several layers rubber layer (3), and has partition (2) between the adjacent rubber layer (3), and the rubber layer of innermost layer (3) is mutually bonding with mandrel (4); Outermost rubber layer (3) is mutually bonding with overcoat (1), it is characterized in that: the thickness of described several layers rubber layer (3) successively decreases from nexine toward skin successively.

2. the automobile-used journal box spring of urban light rail according to claim 1 is characterized in that: the number of plies of described rubber layer (3) is 3 layers, and the quantity of described partition (2) is 2.