CN102192836B - Multifunctional comprehensive testing device for fire control hydraulic valve - Google Patents

Multifunctional comprehensive testing device for fire control hydraulic valve Download PDF

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Publication number
CN102192836B
CN102192836B CN 201110065088 CN201110065088A CN102192836B CN 102192836 B CN102192836 B CN 102192836B CN 201110065088 CN201110065088 CN 201110065088 CN 201110065088 A CN201110065088 A CN 201110065088A CN 102192836 B CN102192836 B CN 102192836B
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valve
pipeline
hydraulic cylinder
tested
test
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CN102192836A (en
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白殿涛
田立伟
罗宗军
李习民
刘连喜
李毅
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Tianjin Fire Fighting Institute Ministry of Public Security
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Tianjin Fire Fighting Institute Ministry of Public Security
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Abstract

The invention relates to a multifunctional comprehensive testing device for a fire control hydraulic valve. A water supply rectification system comprises a plurality of rectification grids; the outlet of each rectification grid is connected to a pipe network system; the pipe network system is integrated by a plurality of valve testing passages; each valve testing passage consists of pipelines with different pipe diameters; each pipeline is connected in series with a plurality of control valves and a sensor; the flow and a pressure signal are sampled by the sensor, and the acquired data is displayed on a paperless recorder in a centralized way so as to realize the simultaneous acquisition and centralized display of data; and the output of a direct-current control signal or an alternated-current control signal is controlled through an intermediate relay. Multiple testing functions are realized by simple adjustment of the control valves; and the measurement accuracy is high, the working stability is high, the detection efficiency is high and the application range is wide.

Description

Multifunctional comprehensive testing device for hydraulic fire valve
Technical field
The present invention relates to the fire control equipment testing apparatus, particularly a kind of Multifunctional comprehensive testing device for hydraulic fire valve.
Background technology
The hydraulic fire valve proving installation is the experimental facilities for test valve function and other technical indicators.Valve need to be tested valve installation in design process or before dispatching from the factory in pipe network.Under common condition, the design of valve can be according to the test pipeline of different valve types design specialized with production unit, and the practical application scene of test pipeline and valve is close.For dissimilar valves, its test pipeline need to reset, measuring instrument needs to adjust separately, and the valve that uses for heavy caliber (more than or equal to 200mm) at right angle setting will arrange very high installation testing position, for experimental implementation has increased a lot of difficulties, cause a large amount of manpower and materials wastes.
At present, the testing agencies such as American insurance merchant testing laboratory (UL) and United States plants mutuality (Factory Mutual) and domestic and international each valve Production design unit all adopt dedicated line that particular valve is tested.The domestic report that the development and application Multifunctional comprehensive testing device for hydraulic fire valve is also not yet arranged, domestic fire control equipment research and the research of experimental unit on this project still are in blank, therefore, in conjunction with the existing equipment manufacture level of China, the research and development Multifunctional comprehensive testing device is the actual needs of China's fire product performance test.
[Summary of the invention
Purpose of the present invention is exactly for solving the deficiency of existing method of testing, and a kind of design proposal of integrated, modular comprehensive test device is provided, and regulates by simple by-pass valve control and realizes multiple test function.
The present invention realizes by such technical scheme: a kind of Multifunctional comprehensive testing device for hydraulic fire valve comprises water supply commutation system, pipe network system, valve installation system and measures acquisition system; It is characterized in that the water supply commutation system comprises some honeycomb screens, honeycomb screen is connected to pipe network system, and pipe network system is integrated by some valve test channel; Every valve test channel is made of the pipeline of different tube diameters, the some by-pass valve controls of serial connection and sensor on the pipeline of each caliber; Every described valve test channel includes one section vertical pipe, comprise place's cut-off point on the vertical pipe, cut-off point is divided into two sections with pipeline, and the corresponding port of two segment pipes is provided with the tested valve door interface, and the tested valve door interface on the described vertical pipe comprises two parts of upper and lower interface; Wherein tested valve lower interface is connected with an end of pipeline expansion joint by flange or plough groove type web member; The flange of the other end of pipeline expansion joint is connected with the hydraulic cylinder of valve installation system; By stretching of hydraulic cylinder-controlled tubulation road telescopic joint;
Described valve installation system comprises fuel tank, filtrator, surplus valve, hydraulic pump, tensimeter, 3-position 4-way solenoid directional control valve, flow speed control valve and hydraulic cylinder, wherein fuel tank, filtrator, surplus valve, hydraulic pump are installed on the main petroleum pipeline successively, also are connected with some branch's petroleum pipelines on the flowline of hydraulic pump; Every described branch petroleum pipeline is connected with a 3-position 4-way solenoid directional control valve, the 3-position 4-way solenoid directional control valve again by flow speed control valve with are connected a described hydraulic cylinder and connect; Hydraulic pump to 2 described hydraulic cylinder fuel feeding, drives 2 described hydraulic cylinder works by branch's petroleum pipeline; By 3-position 4-way solenoid directional control valve conversion oil circuit, and then change 2 described hydraulic cylinder piston direction of motion; The piston rod of 2 described hydraulic cylinders is connected with the flange of pipeline expansion joint respectively, when described hydraulic cylinder works, the piston rod of described hydraulic cylinder drives pipeline expansion joint and shrinks or stretch variation, for vertically arranged tested valve provides the installation or removal space, forms the at right angle setting detection zone;
Measure acquisition system and comprise electric observing and controlling cabinet, electric observing and controlling cabinet is sampled to flow, pressure signal by sensor, with the image data centralized displaying in recording instrument without paper, gather when realizing data, centralized displaying, by being switched on or switched off of tested valve in the electric observing and controlling cabinet by-pass valve control test channel, and can carry out the output of sound, visual alarm and alert data;
According to tested object the valve in the pipe network system is made up, tested valve is different, selected test path is different, set the regulating-controlling program of valve by electric observing and controlling cabinet, realization is to valve opening in the selected path and the control of closing, thus the function that realization is tested different tested valves with same proving installation.
Multifunctional comprehensive testing device for hydraulic fire valve of the present invention is regulated by simple by-pass valve control and to be realized that multiple test function makes that proving installation reaches that the test products scope is wide, measuring accuracy is high, detection efficiency is high, good operating stability, labor intensity are low, integration of equipments and the degree of modularity is high, test automation degree height and the low effect of construction costs.
Description of drawings
Fig. 1 is the pipe network system synoptic diagram of apparatus of the present invention;
Fig. 2 is the hydraulic control system synoptic diagram of apparatus of the present invention;
Fig. 3 is honeycomb screen 1/4 schematic cross-section of apparatus of the present invention.
Embodiment
For a more clear understanding of the present invention, describe in conjunction with the accompanying drawings and embodiments the present invention in detail:
As shown in Figure 1 to Figure 3, apparatus of the present invention can be used for the test macro of function, pressure, flow and the flow resistance etc. of the valves such as wet pipe system in the automatic sprinkler system (wet alarm valve), deluge system (deluge alarm valve), dry system (dry type alarm valve), preact system (preaction valve installation), fire-fighting universal valve (gate valve, butterfly valve, signal valve, ball valve, stop valve, retaining valve etc.), hydraulic control valve (reduction valve, blowdown valve, ball-cock assembly etc.).
The water supply commutation system is comprised of the honeycomb screen that calculates through waterpower in pipeline and the pipeline.As shown in Figure 3, take honeycomb screen 1/4 circular section as example, marked the position of honeycomb screen dividing plate.Radius of circle R=175mm.Take the 350 cross-section of pipeline centers of circle as initial point, provided position of opening and the pore size in each hole among Fig. 3 in the table.
Figure 346951DEST_PATH_IMAGE001
Because the size of various circular holes, dividing plate and position dimension are by calculating to formula in the standard, not exclusively conform to processing dimension, therefore will adjusting accordingly.Finely tune in home position and aperture to circular hole, guarantees to have in each dividing plate a circular hole to get final product.
As shown in Figure 3, all kinds of valves test pipe network control unlatching situations in the pipe network system, namely all kinds of test water flow paths of at right angle setting detection zone are as follows:
Test 1: valve flow resistance test;
Valve 1 → valve 5 → flowmeter of the opening → valve 14 → valve 24 → valve 26 → valve 47 → valve 48 → tested valve → valve 49 → valve 50 → valve 18 → valve 17 → valve 13 → head tank → valve 12 → valve 4 → testing field circulating water pool of intaking → flow through, all the other valve closings.
Test 2: wet alarm valve function test;
Valve 1 → valve 5 → valve 14 → valve 24 → valve 26 → valve 47 → valve 48 of opening → detected valve → (B) → (C) → DN25 flowmeter → (the D) → in line trench of intaking → flow through, all the other valve closings.
Test 3: deluge alarm valve function test;
The pressure chamber flushing pipe is attracted with flexible pipe by water main.Valve 1 → valve 5 → valve 14 of intaking → flowing through and opening) → and valve 24 → valve 26 → valve 47 → valve 48 → detected valve → valve 53 → in line trench, all the other valve closings.
Test 4: deluge alarm valve, the anti-test that resets of dry type alarm valve;
Water-rinsing process: valve 1 → valve 5 → valve 14 → valve 30 → valve 29 → valve 28 → head tank of intaking → flowing through and opening, all the other valve closings.
Test 5: back flushing process;
Charge pressure tank → valve 28 → valve 25 → valve 50 → valve 49 → detected valve → valve 48 → valve 47 → valve 26 → valve 24 → valve 17 → valve 11 → valve 4 → testing field circulating water pool, all the other valve closings.
Test 6: the quick release test of dry type alarm valve;
The valve water supply side is connected on the gasing tank by the pipeline of DN80, and outlet side is inflated by aerating device; The pipeline that outlet side is established DN50 starts tested valve.
The test water flow path of water flow indicator, horizontal mounted valve detection zone is as follows:
Test 1: realize the detection that hydraulic control valve, signal valve, universal valve, level are installed alarm valve, the function tests such as water flow indicator, horizontal deluge alarm valve;
Water inlet → valve 106-113 → test sample → (valve 98-valve 105) → take into account the in line trench of operation valve by low discharge.
Test 2: the function tests such as reduction valve that water flow indicator, the water slug of horizontal deluge alarm valve and frictional resistance test, signal valve and other levels are installed;
Water inlet → valve 106-113 → test sample → in line the testing field of valve 98-valve 105 → valve 97 → valve, 34 → water return pipeline circulating water pool.
Test 3: the product reverse impacts such as water flow indicator test;
Water inlet → valve 97 → valve 98-105 → test sample → in line the testing field of valve 106-valve 113 → valve, 36 → water return pipeline circulating water pool.
Test 4: deluge alarm valve reverse impact test:
Water-rinsing process: water inlet → valve 29 → valve 28 → head tank, all the other valve closings
Back flushing process: the charge pressure tank → valve 28 → valve 29 → valve 97 → valve 98-105 → detected valve → in line testing field of valve 106-valve 113 → valve, 36 → water return pipeline circulating water pool.
The valve installation system comprises fuel tank 201, filtrator 202, surplus valve 203, hydraulic pump 204, tensimeter 205,3-position 4-way solenoid directional control valve 206, flow speed control valve 207 and hydraulic cylinder 208, wherein fuel tank 201, filtrator 202, surplus valve 203, hydraulic pump 204 are installed on the main petroleum pipeline successively, also are connected with some branch's petroleum pipelines on the flowline of hydraulic pump 204; Every described branch petroleum pipeline is connected with a 3-position 4-way solenoid directional control valve 206, and 3-position 4-way solenoid directional control valve 206 passes through again flow speed control valve 207 and is connected a described hydraulic cylinder 208 connection; Hydraulic pump 204 to 2 described hydraulic cylinder 208 fuel feeding, drives 2 described hydraulic cylinder 208 work by branch's petroleum pipeline; By 3-position 4-way solenoid directional control valve 206 conversion oil circuits, and then change 2 described hydraulic cylinder 208 piston movement directions; The piston rod of 2 described hydraulic cylinders 208 is connected with the flange of pipeline expansion joint respectively, when described hydraulic cylinder 208 work, the piston rod of described hydraulic cylinder 208 drives pipeline expansion joint and shrinks or stretch variation, for vertically arranged tested valve provides the installation or removal space, form the at right angle setting detection zone.
Telescopic joint working pressure 2.5MPa joint flange 2.5MPa.Main material, cast steel, slipping plane with contact inwall chromium plating with water.The rubber seal of multiple tracks (more than or equal to 3) O type is adopted in sealing.Transfer stroke 500mm, compression and elongation limited location mechanism.
Measure acquisition system and mainly comprise one of DN100 turbo flow meter, one of DN150 turbo flow meter, one of DN300 electromagnetic flowmeter, 8 of DN25 turbo flow meters, 1 of DN15 turbo flow meter, 1 of DN50 turbo flow meter, 2 of switch boards.
The observing and controlling cabinet is comprised of cabinet, direct supply, recording instrument without paper, flow displaying instrument, the time relay, electromagnetic relay, counter, straight, alternating current inductor etc.The observing and controlling cabinet uses the 220V AC power.Recording instrument without paper can external flow amplifier, pressure transducer, warming probe etc., directly shows and records test flow, pressure and temperature.Direct supply, the time relay, electromagnetic relay, counter is used, can realize setting the direct current of connection and trip time or exchange output, thereby realize solenoid cycles work, the functions such as water flow indicator overload test, directly, D.C mutual-inductor has the output of warning, monitoring is by the curent change of test object at the trial, when being short-circuited or open circuit, cooperate the time relay to make observing and controlling dish delay judgement fault, send sound and light alarm, stop simultaneously test, counter can record test number (TN) automatically with memory function, and can show test number (TN) last time when outage or after barrier stops for some reason.
According to the above description, can realize the solution of the present invention in conjunction with art technology.

Claims (2)

1. a Multifunctional comprehensive testing device for hydraulic fire valve comprises water supply commutation system, pipe network system, valve installation system and measures acquisition system; It is characterized in that the water supply commutation system comprises some honeycomb screens, honeycomb screen is connected to pipe network system, and pipe network system is integrated by some valve test channel; Every valve test channel is made of the pipeline of different tube diameters, the some by-pass valve controls of serial connection and sensor on the pipeline of each caliber; Every described valve test channel includes one section vertical pipe, comprise place's cut-off point on the vertical pipe, cut-off point is divided into two sections with pipeline, and the corresponding port of two segment pipes is provided with the tested valve door interface, and the tested valve door interface on the described vertical pipe comprises two parts of upper and lower interface; Wherein, tested valve bottom interface is connected with an end of pipeline expansion joint by flange or plough groove type web member; The flange of the other end of pipeline expansion joint is connected with the hydraulic cylinder of valve installation system; By stretching of hydraulic cylinder-controlled tubulation road telescopic joint; Described valve installation system comprises fuel tank, filtrator, surplus valve, hydraulic pump, tensimeter, 3-position 4-way solenoid directional control valve, flow speed control valve and hydraulic cylinder, wherein fuel tank, filtrator, surplus valve, hydraulic pump are installed on the main petroleum pipeline successively, also are connected with some branch's petroleum pipelines on the flowline of hydraulic pump; Every described branch petroleum pipeline is connected with a 3-position 4-way solenoid directional control valve, the 3-position 4-way solenoid directional control valve again by flow speed control valve with are connected a described hydraulic cylinder and connect; Hydraulic pump to 2 described hydraulic cylinder fuel feeding, drives 2 described hydraulic cylinder works by branch's petroleum pipeline; By 3-position 4-way solenoid directional control valve conversion oil circuit, and then change 2 described hydraulic cylinder piston direction of motion; The piston rod of 2 described hydraulic cylinders is connected with the flange of pipeline expansion joint respectively, when described hydraulic cylinder works, the piston rod of described hydraulic cylinder drives pipeline expansion joint and shrinks or stretch variation, for vertically arranged tested valve provides the installation or removal space, forms the at right angle setting detection zone; Measure acquisition system and comprise electric observing and controlling cabinet, electric observing and controlling cabinet is sampled to flow, pressure signal by sensor, with the image data centralized displaying in recording instrument without paper, gather when realizing data, centralized displaying, by being switched on or switched off of tested valve in the electric observing and controlling cabinet by-pass valve control test channel, and can carry out the output of sound, visual alarm and alert data.
2. Multifunctional comprehensive testing device for hydraulic fire valve as claimed in claim 1, it is characterized in that, according to tested object the valve in the pipe network system is made up, tested valve is different, selected test path is different, by the regulating-controlling program of electric observing and controlling cabinet setting valve, realize valve opening in the selected path and the control of closing.
CN 201110065088 2011-03-18 2011-03-18 Multifunctional comprehensive testing device for fire control hydraulic valve Expired - Fee Related CN102192836B (en)

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CN111537038A (en) * 2020-06-23 2020-08-14 刘晓鹏 Water level measuring and alarming device during flood prevention period
CN111999581B (en) * 2020-08-14 2021-04-30 燕山大学 Device and method for testing electromagnetic characteristics of small-flow electromagnetic switch valve
CN114594815A (en) * 2022-03-09 2022-06-07 华北科技学院(中国煤矿安全技术培训中心) Automatic fire prevention and extinguishing control system for inert gas in goaf

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CN201486960U (en) * 2009-07-23 2010-05-26 朱安民 Device for detecting valve position of hydraulic valve

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CN201486960U (en) * 2009-07-23 2010-05-26 朱安民 Device for detecting valve position of hydraulic valve

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