Background technology
As a kind of facility, the vehicles fast, rolling stock has obtained fast development, and at present, the rolling stock of various model type comes into operation.And along with the fast development of railway traffic, popularizing of the teaching of railway and railway technology also is developed, and the operation logic that how to allow people can be familiar with and understand rolling stock more intuitively becomes extremely important.
At present, being used for the teaching of the brake system of rolling stock, generally is to be plane, static state or animation types, and the brake system of presenting to people is more abstract, can not intuitively reflect the operation logic of brake system of rail vehicle.For example, have the model form of employing to carry out the demonstration of the brake system of rolling stock, it is the material object according to brake system, is made according to certain ratio, when the operation logic explanation of carrying out brake system, generally need the corresponding picture of configuration, literal, schematic diagram etc.As can be seen, the teaching of the brake system of existing rolling stock can't embody the operation logic of brake system intuitively, makes that the demonstration of teaching aid and teaching efficiency are relatively poor, can't stay impression preferably to the people, influence demonstration effect is unfavorable for popularizing of railway technology knowledge.
To sum up, the teaching aid teaching efficiency of the brake system of existing rolling stock is relatively poor, and the demonstration mode is more abstract, can not reflect the accessory and the operation logic of vehicle braked system intuitively, makes that braking demonstration effect is relatively poor.
The utility model content
The utility model provides a kind of braking demonstration teaching aid of rolling stock, can be applicable to the braking demonstration of the brake system of rolling stock, can effectively solve in the existing teaching aid and demonstrate not problem intuitively, improves the demonstration effect of teaching aid.
The utility model provides a kind of braking demonstration teaching aid of rolling stock, comprise: the teaching aid body, described teaching aid body is provided with angle cock, particle collector, air brake valve, pressure limiting valve, brake cylinder and the Block brake device that connects successively, wherein, described Block brake device comprises symmetrically arranged two brake shoe wheel models, described two brake shoe wheel models are connected on the described brake cylinder by brake lever respectively, and are connected with lock accent device between two brake levers; Also be connected in parallel to step-down reservoir and weight measurement mechanism between described brake cylinder and the described pressure limiting valve; Be connected with on the described air brake valve and add slow reservoir and auxiliary reservoir.
Wherein, the quantity of described angle cock is two, the setting that is interconnected of described two angle cocks, and described two angle cocks all are connected with described particle collector.
Described teaching aid body can comprise the bracing frame of placing and fixing described angle cock, particle collector, air brake valve, pressure limiting valve, brake cylinder and Block brake device.
The braking demonstration teaching aid of the rolling stock that the utility model provides, by interconnective braking accessory is set on the teaching aid body, dynamically demonstrate the vehicle braked process during demonstration teaching aid demonstration, make people can observe the accessory of brake system and the principle of running under braking more intuitively, improve teaching aid demonstration effect; The braking demonstration teaching aid of the utility model rolling stock is simple in structure, and it is convenient to realize, helps popularizing of railway technology knowledge.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the braking demonstration teaching aid embodiment of the utility model rolling stock.As shown in Figure 1, the braking demonstration teaching aid of present embodiment rolling stock comprises teaching aid body 1, this teaching aid body 1 is provided with angle cock 2, particle collector 3, air brake valve 4, pressure limiting valve 5, brake cylinder 6 and Block brake device, this angle cock 2, particle collector 3, air brake valve 4, pressure limiting valve 5, brake cylinder 6 is connected setting successively with the Block brake device, wherein, the Block brake device includes symmetrically arranged two brake shoe wheel models 71, these two brake shoe wheel models 71 are connected on the brake cylinder 6 by brake lever 72 respectively, and are connected with lock accent device 73 between these two brake levers 72; In addition, also be connected in parallel to step-down reservoir 8 and weight measurement mechanism 9 between brake cylinder 6 and the pressure limiting valve 5, wherein, step-down reservoir 8 can be shunted the pressurized air that charges into when the lorry complete vehicle curb condition is braked in checking cylinder, air supply so that minimizing is used to brake reduces damping force; Weight measurement mechanism 9 can be used for detecting the load condition of lorry, for example empty wagons or loaded vehicle, and the signal that detects can be passed to pressure limiting valve 5, make pressure limiting valve 5 to control step-down reservoir 8 according to detection signal, the air supply that charges in the checking cylinder is shunted, obtained suitable damping force; Be connected with on the air brake valve 4 and add slow reservoir 41 and auxiliary reservoir 42.Present embodiment braking demonstration teaching aid can be used for the braking procedure of rolling stock is carried out dynamic demonstration, so that people are clearer, directly perceived to the observation of vehicle braked process, is convenient to understand intuitively the braking principle and the braking procedure of rolling stock.
In the present embodiment, teaching aid body 1 specifically can be the platform structure that each parts is set, and this platform structure is provided with the bracing frame that is used to place and fix each parts, and the bracing frame of suitable shape and height can be set according to shape, the volume of each parts, thereby can be with orderly, stable being fixed on the teaching aid body 1 of angle cock 2, particle collector 3, air brake valve 4, pressure limiting valve 5, brake cylinder 6 and Block brake device, make that the installation of braking demonstration teaching aid is convenient more, be convenient to brake the integral body carrying of demonstration teaching aid.
In the practical application, air pipe line between each parts on the teaching aid body 1 connects and should connect according to the pipeline of the vehicle of required explanation, and can ignore the caliber of air pipe line and volume etc., and the lever ratio of Block brake device should be calculated coupling according to the vehicle braked multiplying power of required explanation, transfers the effect of device with better displaying lock.
In the present embodiment, the quantity of angle cock 2 is two, the setting that is interconnected of these two angle cocks 2, and two angle cocks 2 all are connected with particle collector 3, one of them angle cock 2 one side can and be connected to derailing valve 10 repeatedly, derailing valve 10 is connected with connecting pipe between two angle cocks 2, and also is provided with stainless steel ball valve 101 on derail valve 10 and the pipeline that connecting pipe is connected.
In the present embodiment, step-down reservoir 8 delays the two compartment reservoir that reservoir 41 also can be an integral body of formation with adding, thereby can reduce the number of reservoir.
For technical solutions of the utility model are had a better understanding, will the concrete application of the utility model embodiment be described below.
Present embodiment braking demonstration teaching aid is when the braking demonstration, the angle cock of one side can be closed, the angle cock of opposite side connects the high-pressure air source of 0.5MPa, and the rolling stock single car testing device, by operation, can realize braking the various braking demonstrations of demonstration teaching aid to this single car testing device.Particularly, during demonstration, earlier single car testing device is put 1 inflation, after being charged to set pressure, single car testing device is put 4 makes braking demonstration teaching aid generation braking action, thereby can be clearly seen that the braking action of brake cylinder and brake lever, carry out so repeatedly demonstrating following several contents:
1, the Analog Gate tilt sickness just often moves in 4 braking procedures after 1 inflation earlier, and lock is transferred the course of action of device;
When 2, the Analog Gate tilt sickness reduces, move in 4 braking procedures after 1 inflation earlier, lock transfers device adjustment self length to adapt to the process of thin brake shoe;
When 3, the inhibition dish of weight measurement mechanism does not lift, lift a half, when lifting entirely, fill respectively move to 4 brakings after 1 inflation after, the difference of the pressure of brake cylinder, but ocular demonstration goes out the size of the damping force under the different operating modes.
In addition, in whole presentation process, for being well understood to each functions of components more, demonstrator can describe its principle in whole presentation process.
In summary it can be seen, the braking demo system of the utility model rolling stock is by being provided with interconnective each parts on the teaching aid body, dynamically demonstrate the vehicle braked process when making the demonstration teaching aid demonstration, can effectively increase the intuitive of demonstration, improve teaching aid demonstration effect; The braking demonstration teaching aid of present embodiment rolling stock is simple in structure, and it is convenient to realize.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.