CN204085873U - Brake valve main valve initial survey testing table - Google Patents
Brake valve main valve initial survey testing table Download PDFInfo
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- CN204085873U CN204085873U CN201420544323.2U CN201420544323U CN204085873U CN 204085873 U CN204085873 U CN 204085873U CN 201420544323 U CN201420544323 U CN 201420544323U CN 204085873 U CN204085873 U CN 204085873U
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Abstract
The utility model relates to railway locomotive brake valve service technique, specifically a kind of brake valve main valve initial survey testing table.The utility model solves and there is no a kind of problem being exclusively used in the equipment of brake valve trial inspection test at present.Brake valve main valve initial survey testing table comprises wind regime, storage reservoir, train pipe reservoir, accelerate to alleviate reservoir, auxiliary reservoir, braking reservoir, office's checking cylinder, two way cylinder, train pipe, accelerate release pipe, looped pipeline, brake pipe, office subtracts pipe, leak hunting pipe, flowmeter, differential manometer, a crosspointer tensimeter, No. two crosspointer tensimeters, No. three crosspointer tensimeters, single needle tensimeter, air strainer, a Lubricating oil atomizer, No. two Lubricating oil atomizers, a pressure regulator valve, No. three pressure regulator valves.The utility model is applicable to the maintenance of 120/120-1 type brake valve.
Description
Technical field
The utility model relates to railway locomotive brake valve service technique, specifically a kind of brake valve main valve initial survey testing table.
Background technology
120/120-1 type brake valve is the core apparatus in Locomotive Brake System, its effect relies on locomotive to provide driving wind regime, and according to the change self regulating valve body internal mechanism of blast, carry out wind path thus to flow to and distribute, thus realize alleviation in locomotive traveling process, braking, pressurize action.120/120-1 type brake valve belongs to emphasis in maintenance process to be executed and repaiies product, and therefore car inspection and repair unit requires to carry out trial inspection test (comprise and alleviate bit test, service braking bit test, the test of pressurize stable hole) to the 120/120-1 type brake valve of income is unified in maintenance craft flow process.Under prior art conditions, brake valve trial inspection test method comprises following operation: decompose, clean, grind, overhaul, assemble.Practice shows, existing brake valve trial inspection test method limit due to self principle, there are the following problems: existing brake valve trial inspection test method requires to carry out grinding step to the brake valve of income is unified, and the initial performance of the brake valve of income is often inconsistent, and (the brake valve initial performance had is better, some brake valve initial performance are poor), therefore after grinding step, the often over-lapping of the good brake valve of initial performance, cause its abrasion to increase even to scrap, production cost is caused to raise thus, and the poor brake valve of initial performance should emphasis grinding, but often occur that grinding is not in place, after causing its assembling, performance does not still pass a test, cause thus and do over again, thus cause production efficiency to reduce.Be necessary to invent a kind of equipment being exclusively used in the test of brake valve trial inspection for this reason, in process of the test, easily cause production cost to raise because the initial performance of brake valve is inconsistent and the problem of production efficiency reduction to solve existing brake valve trial inspection test method.But there is no so a kind of equipment at present.
Summary of the invention
The utility model there is no a kind of problem being exclusively used in the equipment of brake valve trial inspection test at present in order to solve, and provides a kind of brake valve main valve initial survey testing table.
The utility model adopts following technical scheme to realize: brake valve main valve initial survey testing table, comprises wind regime, storage reservoir, train pipe reservoir, accelerate to alleviate reservoir, auxiliary reservoir, braking reservoir, office's checking cylinder, two way cylinder, train pipe, accelerate release pipe, looped pipeline, brake pipe, office subtracts pipe, leak hunting pipe, flowmeter, differential manometer, a crosspointer tensimeter, No. two crosspointer tensimeters, No. three crosspointer tensimeters, single needle tensimeter, air strainer, a Lubricating oil atomizer, No. two Lubricating oil atomizers, a pressure regulator valve, No. three pressure regulator valves, A reversal valve, a reversal valve, No. two reversal valves, No. three reversal valves, No. five reversal valves, No. six reversal valves, No. eight reversal valves, No. nine reversal valves, ride on Bus No. 11 reversal valve, ten No. five reversal valves, ten No. six reversal valves, ten No. nine reversal valves, two ride on Bus No. 11 reversal valves, 20 No. three reversal valves, D exhaust valve, E exhaust valve, No. four exhaust valves, No. seven exhaust valves, No. seven auxiliary exhaust valves, ten No. eight exhaust valves, two 20 No. two exhaust valves, wherein, wind regime is communicated with storage reservoir by a pressure regulator valve, air strainer, a Lubricating oil atomizer successively, storage reservoir is communicated with train pipe reservoir by No. three pressure regulator valves, A reversal valves successively, storage reservoir is alleviated reservoir with acceleration be communicated with by No. three pressure regulator valves, No. nine reversal valve successively, train pipe reservoir is communicated with the head end of train pipe by a reversal valve, accelerate to alleviate reservoir to be communicated with the head end accelerating release pipe by No. five reversal valves, train pipe reservoir is communicated with auxiliary reservoir by ten No. six reversal valves, auxiliary reservoir is communicated with the head end of looped pipeline by No. two reversal valves, braking reservoir is communicated with the head end of brake pipe by No. three reversal valves, the middle part of accelerating release pipe is communicated with flowmeter by ten No. nine reversal valves, No. six reversal valves successively, the middle part of looped pipeline is communicated with flowmeter by ride on Bus No. 11 reversal valve, the head end that office subtracts pipe is communicated with flowmeter by two ride on Bus No. 11 reversal valves, the head end of pipe of leaking hunting is communicated with flowmeter by No. eight reversal valves, the leak hunting middle part of pipe is run through and is fixed on the piston of two way cylinder, storage reservoir is communicated with two air chambers of two way cylinder respectively by No. two Lubricating oil atomizers, 20 No. three reversal valves successively, differential manometer is communicated with the middle part of looped pipeline with the middle part of train pipe respectively by ten No. five reversal valves, crosspointer tensimeter respectively with wind regime with store up reservoir and be communicated with, No. two crosspointer tensimeters are communicated with the middle part of accelerating release pipe with office checking cylinder respectively, No. three crosspointer tensimeters are communicated with the middle part of looped pipeline with the middle part of train pipe respectively, single needle tensimeter is communicated with the middle part of brake pipe, D exhaust valve and E exhaust valve are all installed between A reversal valve and train pipe reservoir, No. four exhaust valves are installed on the middle part of brake pipe, No. seven exhaust valves are installed on train pipe reservoir, No. seven auxiliary exhaust valves are installed on the middle part of train pipe, ten No. eight exhaust valves are installed on the middle part of looped pipeline, first 20 No. two exhaust valve office of being installed on subtracts the middle part of pipe, second 20 No. two exhaust valve is installed between ten No. nine reversal valves and No. six reversal valves.
During work, the train pipe exhaust outlet of the tail end of train pipe with 120/120-1 type brake valve is communicated with.The tail end that will speed up release pipe is alleviated exhaust outlet with the acceleration of 120/120-1 type brake valve and is communicated with.The secondary exhaust outlet of the tail end of looped pipeline with 120/120-1 type brake valve is communicated with.The braking exhaust outlet of the tail end of brake pipe with 120/120-1 type brake valve is communicated with.Tail end office being subtracted pipe reduces discharging air port with the office of 120/120-1 type brake valve and is communicated with.Specific works process is as follows: first, open a pressure regulator valve, No. three pressure regulator valves, air strainer, Lubricating oil atomizer, No. two Lubricating oil atomizers, air from wind regime first carries out pressure regulation through a pressure regulator valve thus, filter by air strainer, be atomized through a Lubricating oil atomizer again, be then filled with storage reservoir.Then, start to carry out alleviation bit test, service braking bit test, the test of pressurize stable hole to 120/120-1 type brake valve:
One, alleviate bit test: first, open A reversal valve, a reversal valve, No. two reversal valves, No. five reversal valves, the air in storage reservoir is filled with train pipe reservoir thus, accelerates to alleviate reservoir, auxiliary reservoir.When train pipe reservoir, acceleration alleviation reservoir, auxiliary reservoir are charged to level pressure, open No. eight reversal valves, 20 No. three reversal valves, air in storage reservoir is first atomized through No. two Lubricating oil atomizers thus, then two air chambers of two way cylinder are filled with, the piston driving of two way cylinder leaks hunting pipe motion, the tail end of pipe of making to leak hunting is communicated with the exhaust outlet that leaks hunting of 120/120-1 type brake valve, the exhaust outlet that leaks hunting of 120/120-1 type brake valve carries out sewing detection thus, and the displayed value of flowmeter is leak volume.When the displayed value of flowmeter is not more than 80mL/min, turn off No. eight reversal valves, 20 No. three reversal valves.Then, open two ride on Bus No. 11 reversal valves, first 20 No. two exhaust valve, the office of 120/120-1 type brake valve reduces discharging air port and carries out thus sewing detection, and the displayed value of flowmeter is leak volume.When the displayed value of flowmeter is not more than 80mL/min, turn off two ride on Bus No. 11 reversal valves, first 20 No. two exhaust valve, and open No. three reversal valves;
Two, service braking bit test: first, opens A reversal valve, a reversal valve, No. two reversal valves, No. three reversal valves, No. five reversal valves, and the air in storage reservoir is filled with train pipe reservoir thus, accelerates to alleviate reservoir, auxiliary reservoir.When train pipe reservoir, acceleration alleviation reservoir, auxiliary reservoir are charged to level pressure, turn off A reversal valve, and open D exhaust valve, the blast of train pipe reservoir reduces thus.After the blast of train pipe reservoir reduces 70kPa, turn off D exhaust valve.Then, open No. eight reversal valves, 20 No. three reversal valves, air in storage reservoir is first atomized through No. two Lubricating oil atomizers thus, then two air chambers of two way cylinder are filled with, the piston driving of two way cylinder leaks hunting pipe motion, the tail end of pipe of making to leak hunting is communicated with the exhaust outlet that leaks hunting of 120/120-1 type brake valve, and the exhaust outlet that leaks hunting of 120/120-1 type brake valve carries out sewing detection thus, and the displayed value of flowmeter is leak volume.When the displayed value of flowmeter is not more than 80mL/min, turn off No. eight reversal valves, 20 No. three reversal valves.Then, open two ride on Bus No. 11 reversal valves, first 20 No. two exhaust valve, the office of 120/120-1 type brake valve reduces discharging air port and carries out thus sewing detection, and the displayed value of flowmeter is leak volume.When the displayed value of flowmeter is not more than 80mL/min, turn off two ride on Bus No. 11 reversal valves, first 20 No. two exhaust valve.Then, turn off No. five reversal valves, and open ten No. nine reversal valves, the blast accelerating release pipe reduces thus.When the blast accelerating release pipe reduces to zero, open No. six reversal valves, second 20 No. two exhaust valve, the acceleration alleviation exhaust outlet of 120/120-1 type brake valve carries out sewing detection thus, and the displayed value of flowmeter is leak volume.When the displayed value of flowmeter is not more than 120mL/min, turn off ten No. nine reversal valves, No. six reversal valves, second 20 No. two exhaust valve.Then, open No. five reversal valves, No. four exhaust valves, the blast of braking reservoir reduces thus.When the blast of reservoir to be braked reduces to 100kPa, turn off No. four exhaust valves.Then, alleviate exhaust outlet brushing leak-checking agent in the acceleration of 120/120-1 type brake valve and check, do not allow the acceleration of 120/120-1 type brake valve to alleviate exhaust outlet and sew.When the blast of reservoir to be braked is stablized, turn off No. three reversal valves, No. five reversal valves.Now, the pressure change of blast in 10s of brake pipe does not allow more than 7kPa, and the pressure drop of blast in 10s accelerating release pipe does not allow more than 5kPa.Then, first open A reversal valve, No. three reversal valves, No. five reversal valves, No. nine reversal valves, open ten No. six reversal valves afterwards, the air in storage reservoir is filled with thus and accelerates to alleviate reservoir, auxiliary reservoir.When acceleration alleviation reservoir, auxiliary reservoir are charged to level pressure, turn off A reversal valve, No. nine reversal valves, ten No. six reversal valves;
Three, pressurize stable hole test: first, open D exhaust valve, the blast of train pipe reduces thus.When the blast of train pipe reduces 80kPa, turn off D exhaust valve.Then, open ten No. six reversal valves, D exhaust valve, the blast of train pipe reduces thus.When the blast of train pipe reduces to 450kPa, turn off D exhaust valve.Then, open ride on Bus No. 11 reversal valve, ten No. five reversal valves, auxiliary reservoir carries out sewing detection thus, and the displayed value of flowmeter is leak volume, confirms that the displayed value of flowmeter is 245 ± 5mL/min.When the blast of train pipe and the displayed value of flowmeter are stablized, differential manometer resets.Then, turn off No. two reversal valves, ten No. six reversal valves, and the displayed value of differential manometer is checked, ensure that the displayed value of differential manometer is 1.5-6kPa.Now, 120/120-1 type brake valve does not allow to alleviate.Then, first turn off ride on Bus No. 11 reversal valve, ten No. five reversal valves, open A reversal valve, No. two reversal valves, No. nine reversal valves afterwards, then open ten No. six reversal valves, the air in storage reservoir is filled with thus and accelerates to alleviate reservoir, auxiliary reservoir.When acceleration alleviation reservoir, auxiliary reservoir are charged to level pressure, turn off A reversal valve, No. nine reversal valves, ten No. six reversal valves.
In above process, a crosspointer tensimeter shows the blast of wind regime and the blast of storage reservoir in real time; No. two crosspointer tensimeters in real time office of display subtract the blast of pipe and accelerate the blast of release pipe.No. three crosspointer tensimeters show the blast of train pipe and the blast of looped pipeline in real time.Single needle tensimeter shows the blast of brake pipe in real time.
Based on said process, compared with existing brake valve trial inspection test method, brake valve main valve initial survey testing table described in the utility model disposablely can carry out trial inspection test to 120/120-1 type brake valve and (comprise alleviation bit test, service braking bit test, pressurize stable hole is tested), it avoids on the one hand and causes the good brake valve over-lapping of initial performance because of grinding step thus, avoid the brake valve grinding causing initial performance poor because of grinding step on the other hand not in place, thus effectively reduce production cost on the one hand, effectively improve production efficiency on the other hand.
The utility model is rational in infrastructure, it is ingenious to design, and efficiently solves and there is no a kind of problem being exclusively used in the equipment of brake valve trial inspection test at present, be applicable to the maintenance of 120/120-1 type brake valve.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: K is 120/120-1 type brake valve.
Embodiment
Brake valve main valve initial survey testing table, comprises wind regime S, storage reservoir T1, train pipe reservoir T2, accelerate to alleviate reservoir T3, auxiliary reservoir T4, braking reservoir T5, office checking cylinder T6, two way cylinder T7, train pipe, accelerate release pipe, looped pipeline, brake pipe, office subtracts pipe, leak hunting pipe, flowmeter U, differential manometer V, a crosspointer tensimeter W1, No. two crosspointer tensimeter W2, No. three crosspointer tensimeter W3, single needle tensimeter X, air strainer P, a Lubricating oil atomizer Q1, No. two Lubricating oil atomizer Q2, a pressure regulator valve R1, No. three pressure regulator valve R3, A reversal valve A, a reversal valve 1, No. two reversal valves 2, No. three reversal valves 3, No. five reversal valves 5, No. six reversal valves 6, No. eight reversal valves 8, No. nine reversal valves 9, ride on Bus No. 11 reversal valve 11, ten No. five reversal valves 15, ten No. six reversal valves 16, ten No. nine reversal valves 19, two ride on Bus No. 11 reversal valves 21, 20 No. three reversal valves 23, D exhaust valve D, E exhaust valve E, No. four exhaust valves 4, No. seven exhaust valves 7, No. seven auxiliary exhaust valve 7a, ten No. eight exhaust valves 18, two 20 No. two exhaust valves 22,
Wherein, wind regime S is communicated with storage reservoir T1 by pressure regulator valve R1, an air strainer P, a Lubricating oil atomizer Q1 successively; Storage reservoir T1 is communicated with train pipe reservoir T2 by No. three pressure regulator valve R3, A reversal valve A successively; Storage reservoir T1 is alleviated reservoir T3 with acceleration be communicated with by No. three pressure regulator valve R3, No. nine reversal valve 9 successively; Train pipe reservoir T2 is communicated with the head end of train pipe by a reversal valve 1; Accelerate to alleviate reservoir T3 to be communicated with the head end accelerating release pipe by No. five reversal valves 5; Train pipe reservoir T2 is communicated with auxiliary reservoir T4 by ten No. six reversal valves 16; Auxiliary reservoir T4 is communicated with the head end of looped pipeline by No. two reversal valves 2; Braking reservoir T5 is communicated with the head end of brake pipe by No. three reversal valves 3;
The middle part of accelerating release pipe is communicated with flowmeter U by ten No. nine reversal valves, 19, No. six reversal valves 6 successively; The middle part of looped pipeline is communicated with flowmeter U by ride on Bus No. 11 reversal valve 11; The head end that office subtracts pipe is communicated with flowmeter U by two ride on Bus No. 11 reversal valves 21; The head end of pipe of leaking hunting is communicated with flowmeter U by No. eight reversal valves 8; Leak hunting the middle part of pipe run through be fixed on two way cylinder T7 piston on; Storage reservoir T1 is communicated with two air chambers of two way cylinder T7 respectively by No. two Lubricating oil atomizer Q2,20 No. three reversal valves 23 successively;
Differential manometer V is communicated with the middle part of looped pipeline with the middle part of train pipe respectively by ten No. five reversal valves 15; Crosspointer tensimeter W1 respectively with wind regime S with store up reservoir T1 and be communicated with; No. two crosspointer tensimeter W2 are communicated with the middle part of accelerating release pipe with office checking cylinder T6 respectively; No. three crosspointer tensimeter W3 are communicated with the middle part of looped pipeline with the middle part of train pipe respectively; Single needle tensimeter X is communicated with the middle part of brake pipe; D exhaust valve D and E exhaust valve E is all installed between A reversal valve A and train pipe reservoir T2; No. four exhaust valves 4 are installed on the middle part of brake pipe; No. seven exhaust valves 7 are installed on train pipe reservoir T2; No. seven auxiliary exhaust valve 7a are installed on the middle part of train pipe; Ten No. eight exhaust valves 18 are installed on the middle part of looped pipeline; First 20 No. two exhaust valve 22 offices of being installed on subtract the middle part of pipe; Second 20 No. two exhaust valve 22 is installed between ten No. nine reversal valves 19 and No. six reversal valves 6.
Claims (1)
1. a brake valve main valve initial survey testing table, is characterized in that: comprise wind regime (S), storage reservoir (T1), train pipe reservoir (T2), accelerate to alleviate reservoir (T3), auxiliary reservoir (T4), braking reservoir (T5), office's checking cylinder (T6), two way cylinder (T7), train pipe, accelerate release pipe, looped pipeline, brake pipe, office subtracts pipe, leak hunting pipe, flowmeter (U), differential manometer (V), a crosspointer tensimeter (W1), No. two crosspointer tensimeters (W2), No. three crosspointer tensimeters (W3), single needle tensimeter (X), air strainer (P), a Lubricating oil atomizer (Q1), No. two Lubricating oil atomizers (Q2), a pressure regulator valve (R1), No. three pressure regulator valves (R3), A reversal valve (A), a reversal valve (1), No. two reversal valves (2), No. three reversal valves (3), No. five reversal valves (5), No. six reversal valves (6), No. eight reversal valves (8), No. nine reversal valves (9), ride on Bus No. 11 reversal valve (11), ten No. five reversal valves (15), ten No. six reversal valves (16), ten No. nine reversal valves (19), two ride on Bus No. 11 reversal valves (21), 20 No. three reversal valves (23), D exhaust valve (D), E exhaust valve (E), No. four exhaust valves (4), No. seven exhaust valves (7), No. seven auxiliary exhaust valves (7a), ten No. eight exhaust valves (18), two 20 No. two exhaust valves (22),
Wherein, wind regime (S) is communicated with storage reservoir (T1) by a pressure regulator valve (R1), air strainer (P), a Lubricating oil atomizer (Q1) successively; Storage reservoir (T1) is communicated with train pipe reservoir (T2) by No. three pressure regulator valves (R3), A reversal valves (A) successively; Storage reservoir (T1) is alleviated reservoir (T3) with acceleration be communicated with by No. three pressure regulator valves (R3), No. nine reversal valve (9) successively; Train pipe reservoir (T2) is communicated with the head end of train pipe by a reversal valve (1); Accelerate to alleviate reservoir (T3) to be communicated with the head end accelerating release pipe by No. five reversal valves (5); Train pipe reservoir (T2) is communicated with auxiliary reservoir (T4) by ten No. six reversal valves (16); Auxiliary reservoir (T4) is communicated with the head end of looped pipeline by No. two reversal valves (2); Braking reservoir (T5) is communicated with the head end of brake pipe by No. three reversal valves (3);
The middle part of accelerating release pipe is communicated with flowmeter (U) by ten No. nine reversal valves (19), No. six reversal valves (6) successively; The middle part of looped pipeline is communicated with flowmeter (U) by ride on Bus No. 11 reversal valve (11); The head end that office subtracts pipe is communicated with flowmeter (U) by two ride on Bus No. 11 reversal valves (21); The head end of pipe of leaking hunting is communicated with flowmeter (U) by No. eight reversal valves (8); Leak hunting the middle part of pipe run through be fixed on two way cylinder (T7) piston on; Storage reservoir (T1) is communicated with two air chambers of two way cylinder (T7) respectively by No. two Lubricating oil atomizers (Q2), 20 No. three reversal valves (23) successively;
Differential manometer (V) is communicated with the middle part of looped pipeline with the middle part of train pipe respectively by ten No. five reversal valves (15); Crosspointer tensimeter (W1) respectively with wind regime (S) with store up reservoir (T1) and be communicated with; No. two crosspointer tensimeters (W2) are communicated with the middle part of accelerating release pipe with office checking cylinder (T6) respectively; No. three crosspointer tensimeters (W3) are communicated with the middle part of looped pipeline with the middle part of train pipe respectively; Single needle tensimeter (X) is communicated with the middle part of brake pipe; D exhaust valve (D) and E exhaust valve (E) are all installed between A reversal valve (A) and train pipe reservoir (T2); No. four exhaust valves (4) are installed on the middle part of brake pipe; No. seven exhaust valves (7) are installed on train pipe reservoir (T2); No. seven auxiliary exhaust valves (7a) are installed on the middle part of train pipe; Ten No. eight exhaust valves (18) are installed on the middle part of looped pipeline; First 20 No. two exhaust valve (22) offices of being installed on subtract the middle part of pipe; Second 20 No. two exhaust valves (22) are installed between ten No. nine reversal valves (19) and No. six reversal valves (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544323.2U CN204085873U (en) | 2014-09-22 | 2014-09-22 | Brake valve main valve initial survey testing table |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420544323.2U CN204085873U (en) | 2014-09-22 | 2014-09-22 | Brake valve main valve initial survey testing table |
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| CN204085873U true CN204085873U (en) | 2015-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478398A (en) * | 2017-08-18 | 2017-12-15 | 株洲壹星科技股份有限公司 | A kind of brake valve testing stand and its automatic test method |
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2014
- 2014-09-22 CN CN201420544323.2U patent/CN204085873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478398A (en) * | 2017-08-18 | 2017-12-15 | 株洲壹星科技股份有限公司 | A kind of brake valve testing stand and its automatic test method |
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