CN103411762B

CN103411762B - The proving installation of swinging valve used pneumatic actuator

Info

Publication number: CN103411762B
Application number: CN201310337911.9A
Authority: CN
Inventors: 林美; 王一翔; 陈敬秒; 陈振; 吴建东
Original assignee: QUALITY INSPECTING CENTER OF PUMP AND VALVE PRODUCTS OF ZHEJIANG PROVINCE
Current assignee: QUALITY INSPECTING CENTER OF PUMP AND VALVE PRODUCTS OF ZHEJIANG PROVINCE
Priority date: 2013-08-05
Filing date: 2013-08-05
Publication date: 2015-07-29
Anticipated expiration: 2033-08-05
Also published as: CN103411762A

Abstract

The present invention relates to the proving installation of swinging valve used pneumatic actuator, the proving installation that can carry out the valve used pneumatic actuator that no-load test, load test, leakage test, strength test and operating life are tested to single-acting swinging valve used pneumatic actuator and double acting swinging valve used pneumatic actuator is respectively provided, entirety is Digitized Closed Loop control system, test out the swinging valve used pneumatic actuator that long service life is stable, and measuring accuracy is high, stability is high, convenient test, detection speed is fast, and whole proving installation structure simple-to-maintain cost is low.

Description

The proving installation of swinging valve used pneumatic actuator

Technical field

The present invention relates to the proving installation of valve used pneumatic actuator, particularly relate to the proving installation of swinging valve used pneumatic actuator.

Background technology

Along with the development of automatic control technology, Cemented filling construction more and more tends to adopt Based Intelligent Control and Long-distance Control, the valve of automatic control technology instead of manually-operated valve, greatly reduce the danger of operating personnel's closely operated valve pressure elements, improve work efficiency, realize the opening and closing of piping system, the regulation and control of flow, valve automatic executive device comprises electrodynamic type, electromagnetic type, fluid pressure type and pneumatic type actuator, wherein single-acting swinging valve used pneumatic actuator and double acting swinging valve used pneumatic actuator develop for some years recently and the Valve controlling product the most rapidly that comes into operation, in generating plant, chemical industry, oil refining etc. are applied more and more widely in the higher pipe-line transportation system of safety requirements, its advantage can realize straight line to control or Angle ambiguity, keying speed is fast, can realize when moment is less opening and closing in 1s, working environment adaptability is good, also can not to environment even if there is leakage, there is explosion-proof, can inflammable, explosive, operation in the rugged surroundings such as strong magnetic and intense radiation, work as system cut-off, to die source, valve reset can be made during break signal to the home of a setting in advance, make piping system protected.Its weak point is, do not have and no-load test is carried out to single-acting swinging valve used pneumatic actuator and double acting swinging valve used pneumatic actuator, load test, leakage test, the proving installation of the valve used pneumatic actuator of strength test and operating life test, valve used pneumatic actuator quality cannot be ensured, single-acting swinging valve used pneumatic actuator and double acting swinging valve used pneumatic actuator quality instability is found after coming into operation, the force value exported after using a period of time does not reach the requirement of regulation, cause control inaccurate, and rubber film in single-acting swinging valve used pneumatic actuator and double acting swinging valve used pneumatic actuator or rubber seal, due to the wearing and tearing that sliding friction causes, or the ageing of rubber phenomenon of poor quality, cylinder seal is easily caused to leak, cause output force value inadequate, open and close the phenomenons such as inefficacy, because cylinder piston polished rod and composite bearing realize sealing, surface is with certain oil film, long-time pipeline scene exposes and is vulnerable to on-the-spot dust bonding, jam and jumping phenomena when causing cylinder to open and close, and cause cylinder seal leakage failure.The quality problems of above-mentioned single-acting swinging valve used pneumatic actuator and double acting swinging valve used pneumatic actuator usually neglect by people, finally causes realizing pipeline and go wrong when automatically controlling, and the safety hazards caused occurs.

Summary of the invention

Technical matters to be solved by this invention is: provide the proving installation that can carry out the valve used pneumatic actuator that no-load test, load test, leakage test, strength test and operating life are tested to single-acting swinging valve used pneumatic actuator and double acting swinging valve used pneumatic actuator respectively.

One of technical scheme of the present invention is: comprise the first gas-holder, the second gas-holder, the 3rd gas-holder, 3 position-5 way Double-control solenoid valve, the first two-position five-way single control solenoid valve, the second two-position five-way single control solenoid valve, automation control system, double acting swinging valve pneumatic actuating unit sample, back pressure cylinder, source of the gas, water-separating gas filter, inlet pressure gauge, reduction valve, delivery gauge, oil sprayer, the first high-pressure solenoid valve, the first high pressure air exhaust valve, the first blowout-back pressure gauge, the second high-pressure solenoid valve, the second high pressure air exhaust valve and the second blowout-back pressure gauge

Described double acting swinging valve pneumatic actuating unit sample comprises double acting swinging valve pneumatic actuating unit sample first port and double acting swinging valve pneumatic actuating unit sample second port,

Described source of the gas, water-separating gas filter, inlet pressure gauge, reduction valve, delivery gauge, oil sprayer, the first high-pressure solenoid valve, the first high pressure air exhaust valve, the first blowout-back pressure gauge, double acting swinging valve pneumatic actuating unit sample first port are connected successively by tracheae

Second high-pressure solenoid valve, the second high pressure air exhaust valve are connected successively with the second blowout-back pressure gauge, double acting swinging valve pneumatic actuating unit sample second port, second high-pressure solenoid valve is connected with the tracheae between the first high-pressure solenoid valve and oil sprayer by tracheae

Tracheae between first blowout-back pressure gauge and double acting swinging valve pneumatic actuating unit sample first port is provided with the first high-pressure pressure sensor,

Described first high-pressure pressure sensor is connected with automation control system, the first high-pressure pressure sensor by the first high-pressure feedback signal transmission of detecting on automation control system,

Tracheae between second blowout-back pressure gauge and double acting swinging valve pneumatic actuating unit sample second port is provided with the second high-pressure pressure sensor,

Described second high-pressure pressure sensor is connected with automation control system, the second high-pressure pressure sensor by the second high-pressure feedback signal transmission of detecting on automation control system,

Described first gas-holder is provided with the first gas-holder vent valve, the first gas-holder steam supply valve, the first reservoir pressure sensor, the first gas-holder boost electromagnetic valve, the first gas-holder pressure release electromagnetic valve, the first gas-holder safety valve and the first air tank pressure gauge,

Described second gas-holder is provided with the second gas-holder vent valve, the second gas-holder steam supply valve, the second reservoir pressure sensor, the second gas-holder boost electromagnetic valve, the second gas-holder pressure release electromagnetic valve, the second gas-holder safety valve and the second air tank pressure gauge,

Described 3rd gas-holder is provided with the 3rd gas-holder vent valve, the 3rd gas-holder steam supply valve, the 3rd reservoir pressure sensor, the 3rd gas-holder boost electromagnetic valve, the 3rd gas-holder pressure release electromagnetic valve, the 3rd gas-holder safety valve and the 3rd air tank pressure gauge,

Described first gas-holder boost electromagnetic valve, the second gas-holder boost electromagnetic valve and the 3rd gas-holder boost electromagnetic valve are all connected with the tracheae between oil sprayer and the first high-pressure solenoid valve by tracheae, pressurized air is penetrated in the first gas-holder, the second gas-holder and the 3rd gas-holder

Described first reservoir pressure sensor, the second reservoir pressure sensor are all connected with automation control system with the 3rd reservoir pressure sensor, respectively by the first reservoir pressure feedback signal, the second reservoir pressure feedback signal and the 3rd reservoir pressure feedback signal transmission that detect on automation control system

3 position-5 way Double-control solenoid valve comprises 3 position-5 way Double-control solenoid valve first port, 3 position-5 way Double-control solenoid valve second port and 3 position-5 way Double-control solenoid valve the 3rd port,

Described first gas-holder steam supply valve is connected with 3 position-5 way Double-control solenoid valve the 3rd port by tracheae,

Described 3 position-5 way Double-control solenoid valve first port is connected with the tracheae between the first high-pressure solenoid valve and the first high pressure air exhaust valve by tracheae, penetrated in double acting swinging valve pneumatic actuating unit sample first port by the pressurized air in 3 position-5 way Double-control solenoid valve first port controlling first gas-holder

Described 3 position-5 way Double-control solenoid valve second port is connected with the tracheae between the second high-pressure solenoid valve and the second high pressure air exhaust valve by tracheae, penetrated in double acting swinging valve pneumatic actuating unit sample second port by the pressurized air in 3 position-5 way Double-control solenoid valve second port controlling first gas-holder

Described back pressure cylinder comprises back pressure cylinder first port and back pressure cylinder second port,

Described second gas-holder steam supply valve is connected with the first two-position five-way single control solenoid valve by tracheae, described first two-position five-way single control solenoid valve is connected with back pressure cylinder first port by tracheae, penetrated in back pressure cylinder first port by the pressurized air in the first two-position five-way single control solenoid control second gas-holder

Described 3rd gas-holder steam supply valve is connected with the second two-position five-way single control solenoid valve by tracheae, described second two-position five-way single control solenoid valve is connected with back pressure cylinder second port by tracheae, penetrated in back pressure cylinder second port by the pressurized air in the second two-position five-way single control solenoid control the 3rd gas-holder

3 position-5 way Double-control solenoid valve, first two-position five-way single control solenoid valve, second two-position five-way single control solenoid valve, first high-pressure solenoid valve, second high-pressure solenoid valve, first gas-holder boost electromagnetic valve, first gas-holder pressure release electromagnetic valve, second gas-holder boost electromagnetic valve, second gas-holder pressure release electromagnetic valve, 3rd gas-holder boost electromagnetic valve is all connected with automation control system with the control line of the 3rd gas-holder pressure release electromagnetic valve, 3 position-5 way Double-control solenoid valve is controlled by automation control system, first two-position five-way single control solenoid valve, second two-position five-way single control solenoid valve, control the first high-pressure solenoid valve, second high-pressure solenoid valve, first gas-holder boost electromagnetic valve, first gas-holder pressure release electromagnetic valve, second gas-holder boost electromagnetic valve, second gas-holder pressure release electromagnetic valve, 3rd gas-holder boost electromagnetic valve and the 3rd gas-holder pressure release electromagnetic valve action,

Double acting swinging valve pneumatic actuating unit sample comprises the rotating shaft of double acting swinging valve pneumatic actuating unit sample, and back pressure cylinder comprises back pressure piston rod,

The first chain movable block, the second chain movable block, the first head sprocket, the second head sprocket, the first chain, the second chain, the first auxiliary chain wheel, the second auxiliary chain wheel, transmission rod, angular transducer and force value sensor is provided with between described double acting swinging valve pneumatic actuating unit sample and back pressure piston rod

First chain movable block is fixedly mounted on the first chain, and the second chain movable block is fixedly mounted on the second chain,

Described first head sprocket and the first auxiliary chain wheel pass through the first chain drive and synchronous axial system, and described second head sprocket and the second auxiliary chain wheel pass through the second chain drive and synchronous axial system,

Described first head sprocket and the second head sprocket pass through double acting swinging valve pneumatic actuating unit sample rotating shaft driven rotary,

Be provided with fixed bar between described first chain movable block and the second chain movable block, force value sensor one end is connected with fixed bar by transmission rod, and the force value sensor other end is connected with back pressure piston rod,

Described angular transducer is fixedly mounted on the first auxiliary chain wheel or on the second auxiliary chain wheel, angular transducer is connected with automation control system, by angular transducer, the angle feedback signal detected is transferred on automation control system, described force value sensor is connected with automation control system, by force value sensor by the force value feedback signal transmission that detects on automation control system.

No-load test, leakage test, strength test test pressurized air by source of the gas through water-separating gas filter, inlet pressure gauge, reduction valve, delivery gauge, oil sprayer, then double acting swinging Pneumatic actuator sample first port is supplied to respectively through the first high-pressure feed road, and be supplied to double acting swinging Pneumatic actuator sample second port through the second high-pressure feed road, in test process the first high-pressure feed road and the second high-pressure feed road respectively by the first high-pressure pressure sensor and the second high-pressure pressure sensor by respective high-pressure feedback signal transmission on automation control system, the first high-pressure solenoid valve and the second high-pressure solenoid valve is controlled to double acting swinging Pneumatic actuator sample adjustment air pressure by automation control system, ensure that actual pressure Automatic-boosting is tested to the force value of setting.No-load test, can test its action whether steadily, jam and creeping phenomenon, leakage test can carry out the maximum working pressure (MWP) experimental test that force value is 1.1 times, and the air capacity leaked out from respective back pressure side does not allow to exceed (3+0.15D) cm ³/ min (standard state), the air capacity leaked out from end cap, output shaft does not allow to exceed (3+0.15d) cm ³/ min.It is that the maximum working pressure (MWP) of 1.5 times carries out experimental test that strength test can carry out force value, and after keeping test pressure 3min, its cylinder end caps and static seal position have not allowed seepage and malformation.

Load test, the load output torque of operating life test or push-pull effort promote back pressure cylinder by the air pressure that provides of the second gas-holder and the 3rd gas-holder, feedback force value size is carried out by force value sensor, by the second gas-holder boost electromagnetic valve and the 3rd gas-holder boost electromagnetic valve to the second gas-holder and the 3rd gas-holder supercharging, output force value in back pressure cylinder is increased, when force value sensor sensing reaches setting value to load force value, second gas-holder boost electromagnetic valve and the 3rd gas-holder boost electromagnetic valve stop supercharging, output force value now in back pressure cylinder had both been testing requirements value, when force value sensor sensing exceedes setting value to load force value, second gas-holder pressure release electromagnetic valve and the 3rd gas-holder pressure release electromagnetic valve carry out pressure release, make load force value stabilization to the force value of setting, carried out the commutation action of load output torque or push-pull effort by the first two-position five-way single control solenoid valve and the second two-position five-way single control solenoid valve in process of the test.

The beneficial effect of the proving installation of above-mentioned double acting swinging valve used pneumatic actuator is: the gyration of actuator changed by chain gear apparatus, its torque equals load force value and is multiplied by sprocket radius, compare with gear drive with V belt translation, nonelastic slip and skidding, high life, average ratios is accurate, reliable operation transmission efficiency is high, the large overload capacity of transmitted power is strong, transmission size under identical operating mode is little, required tensile force is little, the pressure acted on axle is little, can at high temperature, moist, many dirt, have in the rugged surroundings such as pollution and work.And entirety is Digitized Closed Loop control system, signal feedback is carried out by sensor, by the action of automation control system Controlling solenoid valve, the required value that pressure stability is set at testing crew carries out no-load test, leakage test, strength test, load test, operating life is tested, test out the swinging valve used pneumatic actuator that long service life is stable, and measuring accuracy is high, stability is high, convenient test, detection speed is fast, whole proving installation structure simple-to-maintain cost is low, adopt two voltage stabilizing gas-holder to back pressure cylinder two ends air feed, obtain output torque or the push-and-pull force value of testing needs, thus the higher double acting swinging valve used pneumatic actuator of precision can be tested out.

Two of technical scheme of the present invention is: comprise the first gas-holder, the second gas-holder, the 3rd gas-holder, 3 position-5 way Double-control solenoid valve, the first two-position five-way single control solenoid valve, the second two-position five-way single control solenoid valve, automation control system, single-acting swinging valve pneumatic actuating unit sample, back pressure cylinder, source of the gas, water-separating gas filter, inlet pressure gauge, reduction valve, delivery gauge, oil sprayer, high-pressure solenoid valve, high pressure air exhaust valve and blowout-back pressure gauge

Described source of the gas, water-separating gas filter, inlet pressure gauge, reduction valve, delivery gauge, oil sprayer, high-pressure solenoid valve, high pressure air exhaust valve are connected by tracheae successively with blowout-back pressure gauge,

Described blowout-back pressure gauge is connected with single-acting swinging valve pneumatic actuating unit sample by tracheae, tracheae between blowout-back pressure gauge and single-acting swinging valve pneumatic actuating unit sample is provided with high-pressure pressure sensor, high-pressure pressure sensor is connected with automation control system, high-pressure pressure sensor by the high-pressure feedback signal transmission that detects to automation control system

Described first gas-holder steam supply valve is connected with 3 position-5 way Double-control solenoid valve by tracheae, described 3 position-5 way Double-control solenoid valve is connected with the tracheae between high-pressure solenoid valve and high pressure air exhaust valve by tracheae, penetrated in single-acting swinging valve pneumatic actuating unit sample by the 3 position-5 way Double-control solenoid valve pressurized air controlled in the first gas-holder

3 position-5 way Double-control solenoid valve, first two-position five-way single control solenoid valve, second two-position five-way single control solenoid valve, first gas-holder boost electromagnetic valve, first gas-holder pressure release electromagnetic valve, second gas-holder boost electromagnetic valve, second gas-holder pressure release electromagnetic valve, 3rd gas-holder boost electromagnetic valve, 3rd gas-holder pressure release electromagnetic valve is all connected with automation control system with the control line of high-pressure solenoid valve, 3 position-5 way Double-control solenoid valve is controlled by automation control system, first two-position five-way single control solenoid valve, second two-position five-way single control solenoid valve, first gas-holder boost electromagnetic valve, first gas-holder pressure release electromagnetic valve, second gas-holder boost electromagnetic valve, second gas-holder pressure release electromagnetic valve, 3rd gas-holder boost electromagnetic valve, 3rd gas-holder pressure release electromagnetic valve and high-voltage electromagnetic valve events,

Described first gas-holder boost electromagnetic valve, the second gas-holder boost electromagnetic valve and the 3rd gas-holder boost electromagnetic valve are all connected with the tracheae between oil sprayer and high-pressure solenoid valve by tracheae, pressurized air is penetrated in the first gas-holder, the second gas-holder and the 3rd gas-holder

Single-acting swinging valve pneumatic actuating unit sample comprises the rotating shaft of single-acting swinging valve pneumatic actuating unit sample, and back pressure cylinder comprises back pressure piston rod,

The first chain movable block, the second chain movable block, the first head sprocket, the second head sprocket, the first chain, the second chain, the first auxiliary chain wheel, the second auxiliary chain wheel, transmission rod, angular transducer and force value sensor is provided with between described single-acting swinging valve pneumatic actuating unit sample rotating shaft and back pressure piston rod

Described first head sprocket and the second head sprocket pass through single-acting swinging Pneumatic actuator sample rotating shaft driven rotary,

The pressurized air of no-load test, leakage test, strength test test directly provides pressure to single-acting swinging valve used pneumatic actuator by source of the gas supply system, at test process mesohigh supply line by high-pressure pressure sensor by high-pressure feedback signal transmission on automation control system, control high-pressure solenoid valve to single-acting swinging Pneumatic actuator sample adjustment air pressure by automation control system, ensure that actual pressure Automatic-boosting is tested to the force value of setting.No-load test, can test its action whether steadily, jam and creeping phenomenon, leakage test can carry out the maximum working pressure (MWP) experimental test that force value is 1.1 times, and the air capacity leaked out from respective back pressure side does not allow to exceed (3+0.15D) cm ³/ min (standard state), the air capacity leaked out from end cap, output shaft does not allow to exceed (3+0.15d) cm ³/ min.It is that the maximum working pressure (MWP) of 1.5 times carries out experimental test that strength test can carry out force value, and after keeping test pressure 3min, its cylinder end caps and static seal position have not allowed seepage and malformation.

The beneficial effect of the proving installation of above-mentioned single-acting swinging valve used pneumatic actuator is: moment drives the form of sprocket wheel chain drive to realize by back pressure cylinder, stroke is measured after the gyration of actuator being changed by chain gear apparatus, its torque equals load force value and is multiplied by sprocket radius, compare with gear drive with V belt translation, nonelastic slip and skidding, high life, average ratios is accurate, reliable operation transmission efficiency is high, the large overload capacity of transmitted power is strong, transmission size under identical operating mode is little, required tensile force is little, the pressure acted on axle is little, can at high temperature, moist, many dirt, have in the rugged surroundings such as pollution and work, entirety is Digitized Closed Loop control system, the precision of system can be improved, stability and detection efficiency.Signal feedback is carried out by sensor, automatically controlled by automation control system, the required value that pressure stability is set at testing crew carries out no-load test, leakage test, strength test, load test, operating life is tested, accurately test out the valve used pneumatic actuator sample in concrete serviceable life, and measuring accuracy is high, stability is high, convenient test, detection speed is fast, whole proving installation structure simple-to-maintain cost is low, adopt two voltage stabilizing gas-holder to back pressure cylinder two ends air feed, obtain output torque or the push-and-pull force value of testing needs, thus the higher single-acting swinging valve used pneumatic actuator of precision can be tested out.

Illustrate below in conjunction with accompanying drawing and with embodiment, the present invention to be further described in detail.

Accompanying drawing explanation

Fig. 1 is the one-piece construction schematic diagram of the proving installation embodiment one of swinging valve used pneumatic actuator of the present invention.

Embodiment

As shown in Figure 1, the proving installation embodiment one of swinging valve used pneumatic actuator of the present invention, for detecting the sample of double acting swinging valve used pneumatic actuator,

It comprises the first gas-holder 26, second gas-holder 19, 3rd gas-holder 11, 3 position-5 way Double-control solenoid valve 64, first two-position five-way single control solenoid valve 92, second two-position five-way single control solenoid valve 94, automation control system 23, double acting swinging valve pneumatic actuating unit sample 72, back pressure cylinder 93, source of the gas 1, water-separating gas filter 2, inlet pressure gauge 3, reduction valve 4, delivery gauge 5, oil sprayer 6, first high-pressure solenoid valve 62, first high pressure air exhaust valve 65, first blowout-back pressure gauge 66, second high-pressure solenoid valve 63, second high pressure air exhaust valve 67 and the second blowout-back pressure gauge 68,

Described double acting swinging valve pneumatic actuating unit sample 72 comprises double acting swinging valve pneumatic actuating unit sample first port 72-1 and double acting swinging valve pneumatic actuating unit sample second port 72-2,

Described source of the gas 1, water-separating gas filter 2, inlet pressure gauge 3, reduction valve 4, delivery gauge 5, oil sprayer 6, first high-pressure solenoid valve 62, first high pressure air exhaust valve 65, first blowout-back pressure gauge 66, double acting swinging valve pneumatic actuating unit sample first port 72-1 is connected successively by tracheae, second high-pressure solenoid valve 63, second high pressure air exhaust valve 67 and the second blowout-back pressure gauge 68, double acting swinging valve pneumatic actuating unit sample second port 72-2 connects successively, second high-pressure solenoid valve 63 is connected with the tracheae between the first high-pressure solenoid valve 62 and oil sprayer 6 by tracheae, tracheae between first blowout-back pressure gauge 66 and double acting swinging valve pneumatic actuating unit sample first port 72-1 is provided with the first high-pressure pressure sensor 69, described first high-pressure pressure sensor 69 is connected with automation control system 23, first high-pressure pressure sensor 69 by the first high-pressure feedback signal transmission of detecting on automation control system 23, tracheae between second blowout-back pressure gauge 68 and double acting swinging valve pneumatic actuating unit sample second port 72-2 is provided with the second high-pressure pressure sensor 70, described second high-pressure pressure sensor 70 is connected with automation control system 23, second high-pressure pressure sensor 70 by the second high-pressure feedback signal transmission of detecting on automation control system 23,

Moisture in pressurized air can be separated by water-separating gas filter 2, inlet pressure gauge 3 observes the pressure during input of source of the gas 1 pressurized air, the pressure that reduction valve 4 regulates pressurized air to input, delivery gauge 5 observes the pressure after reduction valve 4 regulates, oil sprayer 6 is filled with certain mist of oil in pressurized air, improves the life-span of back pressure cylinder 93.

First high-pressure pressure sensor 69 and the second high-pressure pressure sensor 70 respectively by the high-pressure feedback signal transmission that detects to automation control system 23, that is to say and input a test pressure setting value to automation control system 23, the first high-pressure solenoid valve 62 is controlled and the second high-pressure solenoid valve 63 adjusts pressurized air to double acting swinging Pneumatic actuator sample 72 by automation control system 23, form closed-loop control, ensure that actual pressure Automatic-boosting is tested to the force value of setting.

Described first gas-holder 26 is provided with the first gas-holder vent valve 24, first gas-holder steam supply valve 31, first reservoir pressure sensor 27, first gas-holder boost electromagnetic valve 28, first gas-holder pressure release electromagnetic valve 29, first gas-holder safety valve 30 and the first air tank pressure gauge 25

Described second gas-holder 19 is provided with the second gas-holder vent valve 15, second gas-holder steam supply valve 16, second reservoir pressure sensor 17, second gas-holder boost electromagnetic valve 18, second gas-holder pressure release electromagnetic valve 20, second gas-holder safety valve 21 and the second air tank pressure gauge 22

Described 3rd gas-holder 11 is provided with the 3rd gas-holder vent valve 7, the 3rd gas-holder steam supply valve 8, the 3rd reservoir pressure sensor 9, the 3rd gas-holder boost electromagnetic valve 10, the 3rd gas-holder pressure release electromagnetic valve 12, the 3rd gas-holder safety valve 13 and the 3rd air tank pressure gauge 14

Described first gas-holder boost electromagnetic valve 28, second gas-holder boost electromagnetic valve 18 and the 3rd gas-holder boost electromagnetic valve 10 are all connected with the tracheae between oil sprayer 6 and high-pressure solenoid valve 32 by tracheae, pressurized air is made to penetrate in the first gas-holder 26, second gas-holder 19 and the 3rd gas-holder 11, that is to say that the pressurized air in the first gas-holder 26, second gas-holder 19 and the 3rd gas-holder 11 is accessed by the first respective gas-holder boost electromagnetic valve 28, second gas-holder boost electromagnetic valve 18 and the 3rd gas-holder boost electromagnetic valve 10

Described first reservoir pressure sensor 27, second reservoir pressure sensor 17 is all connected with automation control system 23 with the 3rd reservoir pressure sensor 9, the the first reservoir pressure feedback signal will detected respectively, second reservoir pressure feedback signal and the 3rd reservoir pressure feedback signal transmission are on automation control system 23, that is to say by the first reservoir pressure sensor 27, the pressure feedback signal detected is transferred to automation control system 23 by the second reservoir pressure sensor 17 and the 3rd reservoir pressure sensor 9, automation control system 23 clearly can know the first gas-holder 26, pressure in second gas-holder 19 and the 3rd gas-holder 11,

3 position-5 way Double-control solenoid valve 64 comprises 3 position-5 way Double-control solenoid valve first port 64-1,3 position-5 way Double-control solenoid valve second port 64-2 and 3 position-5 way Double-control solenoid valve the 3rd port 64-3, described first gas-holder steam supply valve 31 is connected with 3 position-5 way Double-control solenoid valve the 3rd port 64-3 by tracheae, described 3 position-5 way Double-control solenoid valve first port 64-1 is connected with the tracheae between the first high-pressure solenoid valve 62 and the first high pressure air exhaust valve 65 by tracheae, penetrate in double acting swinging valve pneumatic actuating unit sample first port 72-1 by the 3 position-5 way Double-control solenoid valve first port 64-1 pressurized air controlled in the first gas-holder 26, described 3 position-5 way Double-control solenoid valve second port 64-2 is connected with the tracheae between the second high-pressure solenoid valve 63 and the second high pressure air exhaust valve 67 by tracheae, penetrated in double acting swinging valve pneumatic actuating unit sample second port 72-2 by the 3 position-5 way Double-control solenoid valve second port 64-2 pressurized air controlled in the first gas-holder 26

Described back pressure cylinder 93 comprises back pressure cylinder first port 93-1 and back pressure cylinder second port 93-2,

Described second gas-holder steam supply valve 16 is connected with the first two-position five-way single control solenoid valve 92 by tracheae, described first two-position five-way single control solenoid valve 92 is connected with back pressure cylinder first port 93-1 by tracheae, penetrate in back pressure cylinder first port 93-1 by the first two-position five-way single control solenoid valve 92 pressurized air controlled in the second gas-holder 19, that is to say that the pressurized air in the second gas-holder 19 penetrates into the first two-position five-way single control solenoid valve 56 through the second gas-holder steam supply valve 16 by tracheae, controlling pressurized air by the first two-position five-way single control solenoid valve 56 again penetrates in back pressure cylinder first port 93-1,

Described 3rd gas-holder steam supply valve 8 is connected with the second two-position five-way single control solenoid valve 94 by tracheae, described second two-position five-way single control solenoid valve 94 is connected with back pressure cylinder second port 93-2 by tracheae, penetrate in back pressure cylinder second port 93-2 by the second two-position five-way single control solenoid valve 94 pressurized air controlled in the 3rd gas-holder 11, that is to say that the pressurized air in the 3rd gas-holder 11 penetrates into the second two-position five-way single control solenoid valve 58 through the 3rd gas-holder steam supply valve 8 by tracheae, controlling pressurized air by the second two-position five-way single control solenoid valve 58 again penetrates in back pressure cylinder second port 93-2,

3 position-5 way Double-control solenoid valve 64, first two-position five-way single control solenoid valve 92, second two-position five-way single control solenoid valve 94, first high-pressure solenoid valve 62, second high-pressure solenoid valve 63, first gas-holder boost electromagnetic valve 28, first gas-holder pressure release electromagnetic valve 29, second gas-holder boost electromagnetic valve 18, second gas-holder pressure release electromagnetic valve 20, 3rd gas-holder boost electromagnetic valve 10 is all connected with automation control system 23 with the control line of the 3rd gas-holder pressure release electromagnetic valve 12, controls 3 position-5 way Double-control solenoid valve 64 by automation control system 23, first two-position five-way single control solenoid valve 92, second two-position five-way single control solenoid valve 94, control the first high-pressure solenoid valve 62, second high-pressure solenoid valve 63, first gas-holder boost electromagnetic valve 28, first gas-holder pressure release electromagnetic valve 29, second gas-holder boost electromagnetic valve 18, second gas-holder pressure release electromagnetic valve 20, 3rd gas-holder boost electromagnetic valve 10 and the 3rd gas-holder pressure release electromagnetic valve 12 action, that is to say that automation control system 23 controls 3 position-5 way Double-control solenoid valve 64, first two-position five-way single control solenoid valve 92, second two-position five-way single control solenoid valve 94, first gas-holder boost electromagnetic valve 28, first gas-holder pressure release electromagnetic valve 29, second gas-holder boost electromagnetic valve 18, second gas-holder pressure release electromagnetic valve 20, 3rd gas-holder boost electromagnetic valve 10, 3rd gas-holder pressure release electromagnetic valve 12, first high-pressure solenoid valve 62 and the second high-pressure solenoid valve 63 open and close, i.e. the switching on and off of control coil power supply,

Double acting swinging valve pneumatic actuating unit sample 72 comprises double acting swinging valve pneumatic actuating unit sample rotating shaft 72-3, and back pressure cylinder 93 comprises back pressure piston rod 87,

The first chain movable block 73, second chain movable block 73-1, the first head sprocket 75, second head sprocket 75-1, the first chain 76, second chain 76-1, the first auxiliary chain wheel 77, second auxiliary chain wheel 77-1, transmission rod 78, angular transducer 79 and force value sensor 82 is provided with between described double acting swinging valve pneumatic actuating unit sample 72-3 and back pressure piston rod 87

First chain movable block 73 is fixedly mounted on the first chain 76, and the second chain movable block 73-1 is fixedly mounted on the second chain 76-1,

Described first head sprocket 75 and the first auxiliary chain wheel 77 pass through the first chain 76 transmission and synchronous axial system, and described second head sprocket 75-1 and the second auxiliary chain wheel 77-1 passes through the second chain 76-1 transmission and synchronous axial system,

Described first head sprocket 75 and the second head sprocket 75-1 pass through double acting swinging valve pneumatic actuating unit sample rotating shaft 72-3 driven rotary,

Be provided with fixed bar 73-2 between described first chain movable block 73 and the second chain movable block 73-1, force value sensor 82 one end is connected with fixed bar 73-2 by transmission rod 78, and force value sensor 82 other end is connected with back pressure piston rod 87,

Described angular transducer 79 is fixedly mounted on the first auxiliary chain wheel 77 or on the second auxiliary chain wheel 77-1, angular transducer 79 is connected with automation control system 23, by angular transducer 79, the angle feedback signal detected is transferred on automation control system 23, described force value sensor 82 is connected with automation control system 23, by force value sensor 82 by the force value feedback signal transmission that detects on automation control system 23

The volume of back pressure cylinder 93 is no more than 3 percent of the second gas-holder 19 and the 3rd gas-holder 11 volume, to ensure that output torque or the fluctuation of push-and-pull force value are below 3 percent, described double acting swinging valve pneumatic actuating unit sample 72 is provided with protective cover 71, guarantee the safety of testing crew, described back pressure cylinder 93 is provided with distance adjusting means 95, regulate back pressure cylinder 93 relative to the distance of double acting swinging valve pneumatic actuating unit sample 72, described automation control system 23 comprises PLC programmable logic controller (PLC), by PLC programmable logic controller (PLC) controls first gas-holder boost electromagnetic valve 28, first gas-holder pressure release electromagnetic valve 29, second gas-holder boost electromagnetic valve 18, second gas-holder pressure release electromagnetic valve 20, 3rd gas-holder boost electromagnetic valve 10, 3rd gas-holder pressure release electromagnetic valve 12, first high-pressure solenoid valve 62, second high-pressure solenoid valve 63, 3 position-5 way Double-control solenoid valve 64, first two-position five-way single control solenoid valve 92 and the second two-position five-way single control solenoid valve 94 action, make test process more stable.

The principle of work of embodiment one is as follows: carry out no-load test, leakage test, first gas-holder 26 during strength test, second gas-holder 19 and the 3rd gas-holder 11 are all failure to actuate, tested to swinging valve pneumatic actuating unit sample first port 72-1 air feed through the first high-pressure feed road by source of the gas 1, tested to swinging Pneumatic actuator sample second port 72-2 air feed through the second high-pressure feed road by source of the gas 1, control pressurized air in the first high-pressure feed road and the second high-pressure solenoid valve 63 by the first high-pressure solenoid valve 62 and control that pressurized air in the second high-pressure feed road is real carries out commutation action to double acting swinging Pneumatic actuator sample 72.

When load test and operating life test, are all failure to actuate in aforesaid first high-pressure feed road and the second high-pressure feed road, and the first gas-holder 26, second gas-holder 19 and the 3rd gas-holder 11 all have action.

Pressurized air in first gas-holder 26 is through the first gas-holder steam supply valve 31, in 3 position-5 way Double-control solenoid valve the 3rd port 64-3 run-through channel 3 position-5 way Double-control solenoid valve 64, penetrate in double acting swinging Pneumatic actuator sample first port 72-1 by the 3 position-5 way Double-control solenoid valve first port 64-1 pressurized air controlled in the first gas-holder 26, double acting swinging Pneumatic actuator sample rotating shaft 72-3 is rotated, penetrate in double acting swinging Pneumatic actuator sample second port 72-2 by the 3 position-5 way Double-control solenoid valve second port 64-2 pressurized air controlled in the first gas-holder 26, double acting swinging Pneumatic actuator sample rotating shaft 72-3 is rotated toward another direction.

Therefore rotating shaft drives the first head sprocket 75, second head sprocket 75-1, first auxiliary chain wheel 77, second auxiliary chain wheel 47-1 and the second auxiliary chain wheel 77-1 synchronous rotary, therefore the first chain 76 be arranged on the first head sprocket 75 and the first auxiliary chain wheel 77 follows synchronous axial system with the second chain 76-1 be arranged on the second head sprocket 75-1 and the second auxiliary chain wheel 77-1, therefore be fixedly mounted on the first chain movable block 73 on the first chain 76 and be fixedly mounted on the second chain movable block 73-1 and then upper and lower synchronizing moving on the second chain 76-1, therefore the fixed bar 73-2 be arranged between the first chain movable block 73 and the second chain movable block 73-1 and then moves up and down, therefore the fixed bar 73-2 connected successively, transmission rod 78, force value sensor 82 and back pressure piston rod 87 also and then move up and down, as long as therefore control back pressure piston rod 87 to produce a load output torque or push-pull effort just can carry out load test to swinging Pneumatic actuator sample 72, operating life is tested.

In order to back pressure piston rod 87 can be made to produce a load output torque or push-pull effort in load test and operating life test, pressurized air in second gas-holder 19 penetrates in the first two-position five-way single control solenoid valve 92 through the second gas-holder steam supply valve 16, controls pressurized air penetrate in back pressure cylinder first port 93-1 and make back pressure piston rod 87 produce a load output torque or push-pull effort by the first two-position five-way single control solenoid valve 92.

Pressurized air in same 3rd gas-holder 11 penetrates in the second two-position five-way single control solenoid valve 94 through the 3rd gas-holder steam supply valve 8, controls pressurized air penetrate in back pressure cylinder second port 93-2 and make back pressure piston rod 87 produce a load output torque or push-pull effort by the second two-position five-way single control solenoid valve 94.

The load output torque produced by the back pressure piston rod 87 detected by force value sensor 82 in load test and operating life test or the force value feedback signal transmission of push-pull effort are on automation control system 23, the second gas-holder boost electromagnetic valve 18 is controlled and the second gas-holder pressure release electromagnetic valve 20 carries out supercharging and pressure release to the second gas-holder 19 by automation control system 23, load output torque or push-pull effort is made to remain on setting value, same automation control system 23 controls the 3rd gas-holder boost electromagnetic valve 10 and the 3rd gas-holder pressure release electromagnetic valve 12 carries out supercharging and pressure release to the 3rd gas-holder 11, load output torque or push-pull effort is made to remain on setting value.

In experimentation the first reservoir pressure sensor 27, second reservoir pressure sensor 17, the 3rd reservoir pressure sensor 9 by the force value feedback signal transmission in the first respective gas-holder 26, second gas-holder 19 and the 3rd gas-holder 11 on automation control system 23, by automation control system 23 to the first gas-holder 26, second gas-holder 19 and the 3rd gas-holder 11 supercharging and pressure release, make experiment more accurate.

The compressed-air actuated force value that first high-pressure pressure sensor 69 will penetrate in double acting swinging valve pneumatic actuating unit sample first port 72-1 in experimentation, be transferred on automation control system 23, the compressed-air actuated force value that second high-pressure pressure sensor 70 will penetrate in double acting swinging valve pneumatic actuating unit sample second port 72-2, be transferred on automation control system 23, the size penetrating into double acting swinging valve pneumatic actuating unit sample first port 72-1 and double acting swinging valve pneumatic actuating unit sample second port 72-2 compressed air force value is controlled by automation control system 23, make experiment more accurate.

In experimentation, the angle feedback signal detected is transferred on automation control system 23 by angular transducer 79, automation control system 23 just can calculate the first head sprocket 75, second head sprocket 75-1, the first auxiliary chain wheel 77 and the second auxiliary chain wheel 77-1 and turn how many angles, calculate the first chain movable block 73, second chain movable block 73-1, fixed bar 73-2 and transmission rod 78 and moved up and down how many positions, calculate double acting swinging Pneumatic actuator sample rotating shaft 72-3 and have rotated how many circles.

The proving installation embodiment two of swinging valve used pneumatic actuator of the present invention, for detecting single-acting swinging valve pneumatic actuating unit sample, can with reference to figure 1 and embodiment one, be with the difference of embodiment one: only have high-pressure solenoid valve (not indicating in figure), high pressure air exhaust valve (not indicating in figure) and blowout-back pressure gauge (not indicating in figure) form a high-pressure feed road, road, described source of the gas 1, water-separating gas filter 2, inlet pressure gauge 3, reduction valve 4, delivery gauge 5, oil sprayer 6, high-pressure solenoid valve, high pressure air exhaust valve is connected by tracheae successively with blowout-back pressure gauge, blowout-back pressure gauge is connected with single-acting swinging valve pneumatic actuating unit sample by tracheae, tracheae between blowout-back pressure gauge and single-acting swinging valve pneumatic actuating unit sample is only provided with single high-pressure pressure sensor, high-pressure pressure sensor is connected with automation control system 23, high-pressure pressure sensor by the high-pressure feedback signal transmission that detects to automation control system 23, first gas-holder steam supply valve 31 is connected with 3 position-5 way Double-control solenoid valve 64 by tracheae, described 3 position-5 way Double-control solenoid valve 64 is connected with the tracheae between high-pressure solenoid valve and high pressure air exhaust valve by tracheae, penetrate in single-acting swinging valve pneumatic actuating unit sample by 3 position-5 way Double-control solenoid valve 64 pressurized air controlled in the first gas-holder 26, all the other structures are identical with embodiment one.

The same reference example one of principle of work of embodiment two, is with embodiment one difference: no-load test, leakage test and strength test time the high-pressure feed road that formed by high-pressure solenoid valve, high pressure air exhaust valve and blowout-back pressure gauge promote the action of single-acting swinging valve pneumatic actuating unit sample; Then pressure is provided to promote the action of single-acting swinging valve pneumatic actuating unit sample by the first gas-holder 26 by 3 position-5 way Double-control solenoid valve 64 when carrying out load test, operating life test, need not increase the reverse power of the second road pressure supply line as single-acting swinging valve pneumatic actuating unit sample again, all the other principle of work are identical with embodiment one.

Claims

1. the proving installation of swinging valve used pneumatic actuator, it is characterized in that: comprise the first gas-holder (26), second gas-holder (19), 3rd gas-holder (11), 3 position-5 way Double-control solenoid valve (64), first two-position five-way single control solenoid valve (92), second two-position five-way single control solenoid valve (94), automation control system (23), double acting swinging valve pneumatic actuating unit sample (72), back pressure cylinder (93), source of the gas (1), water-separating gas filter (2), inlet pressure gauge (3), reduction valve (4), delivery gauge (5), oil sprayer (6), first high-pressure solenoid valve (62), first high pressure air exhaust valve (65), first blowout-back pressure gauge (66), second high-pressure solenoid valve (63), second high pressure air exhaust valve (67) and the second blowout-back pressure gauge (68),

Described double acting swinging valve pneumatic actuating unit sample (72) comprises double acting swinging valve pneumatic actuating unit sample first port (72-1) and double acting swinging valve pneumatic actuating unit sample second port (72-2),

Described source of the gas (1), water-separating gas filter (2), inlet pressure gauge (3), reduction valve (4), delivery gauge (5), oil sprayer (6), the first high-pressure solenoid valve (62), the first high pressure air exhaust valve (65), the first blowout-back pressure gauge (66), double acting swinging valve pneumatic actuating unit sample first port (72-1) are connected successively by tracheae

Second high-pressure solenoid valve (63), the second high pressure air exhaust valve (67) are connected successively with the second blowout-back pressure gauge (68), double acting swinging valve pneumatic actuating unit sample second port (72-2), second high-pressure solenoid valve (63) is connected with the tracheae between the first high-pressure solenoid valve (62) and oil sprayer (6) by tracheae

Tracheae between first blowout-back pressure gauge (66) and double acting swinging valve pneumatic actuating unit sample first port (72-1) is provided with the first high-pressure pressure sensor (69),

Described first high-pressure pressure sensor (69) is connected with automation control system (23), the first high-pressure pressure sensor (69) by the first high-pressure feedback signal transmission of detecting on automation control system (23),

Tracheae between second blowout-back pressure gauge (68) and double acting swinging valve pneumatic actuating unit sample second port (72-2) is provided with the second high-pressure pressure sensor (70),

Described second high-pressure pressure sensor (70) is connected with automation control system (23), the second high-pressure pressure sensor (70) by the second high-pressure feedback signal transmission of detecting on automation control system (23),

Described first gas-holder (26) is provided with the first gas-holder vent valve (24), the first gas-holder steam supply valve (31), the first reservoir pressure sensor (27), the first gas-holder boost electromagnetic valve (28), the first gas-holder pressure release electromagnetic valve (29), the first gas-holder safety valve (30) and the first air tank pressure gauge (25)

Described second gas-holder (19) is provided with the second gas-holder vent valve (15), the second gas-holder steam supply valve (16), the second reservoir pressure sensor (17), the second gas-holder boost electromagnetic valve (18), the second gas-holder pressure release electromagnetic valve (20), the second gas-holder safety valve (21) and the second air tank pressure gauge (22)

Described 3rd gas-holder (11) is provided with the 3rd gas-holder vent valve (7), the 3rd gas-holder steam supply valve (8), the 3rd reservoir pressure sensor (9), the 3rd gas-holder boost electromagnetic valve (10), the 3rd gas-holder pressure release electromagnetic valve (12), the 3rd gas-holder safety valve (13) and the 3rd air tank pressure gauge (14)

Described first gas-holder boost electromagnetic valve (28), the second gas-holder boost electromagnetic valve (18) and the 3rd gas-holder boost electromagnetic valve (10) are all connected with the tracheae between oil sprayer (6) and the first high-pressure solenoid valve (62) by tracheae, pressurized air is penetrated in the first gas-holder (26), the second gas-holder (19) and the 3rd gas-holder (11)

Described first reservoir pressure sensor (27), the second reservoir pressure sensor (17) are all connected with automation control system (23) with the 3rd reservoir pressure sensor (9), respectively by the first reservoir pressure feedback signal, the second reservoir pressure feedback signal and the 3rd reservoir pressure feedback signal transmission that detect on automation control system (23)

3 position-5 way Double-control solenoid valve (64) comprises 3 position-5 way Double-control solenoid valve first port (64-1), 3 position-5 way Double-control solenoid valve second port (64-2) and 3 position-5 way Double-control solenoid valve the 3rd port (64-3),

Described first gas-holder steam supply valve (31) is connected with 3 position-5 way Double-control solenoid valve the 3rd port (64-3) by tracheae,

Described 3 position-5 way Double-control solenoid valve first port (64-1) is connected with the tracheae between the first high-pressure solenoid valve (62) and the first high pressure air exhaust valve (65) by tracheae, penetrated in double acting swinging valve pneumatic actuating unit sample first port (72-1) by 3 position-5 way Double-control solenoid valve first port (64-1) pressurized air controlled in the first gas-holder (26)

Described 3 position-5 way Double-control solenoid valve second port (64-2) is connected with the tracheae between the second high-pressure solenoid valve (63) and the second high pressure air exhaust valve (67) by tracheae, penetrated in double acting swinging valve pneumatic actuating unit sample second port (72-2) by 3 position-5 way Double-control solenoid valve second port (64-2) pressurized air controlled in the first gas-holder (26)

Described back pressure cylinder (93) comprises back pressure cylinder first port (93-1) and back pressure cylinder second port (93-2),

Described second gas-holder steam supply valve (16) is connected with the first two-position five-way single control solenoid valve (92) by tracheae, described first two-position five-way single control solenoid valve (92) is connected with back pressure cylinder first port (93-1) by tracheae, penetrated in back pressure cylinder first port (93-1) by the first two-position five-way single control solenoid valve (92) pressurized air controlled in the second gas-holder (19)

Described 3rd gas-holder steam supply valve (8) is connected with the second two-position five-way single control solenoid valve (94) by tracheae, described second two-position five-way single control solenoid valve (94) is connected with back pressure cylinder second port (93-2) by tracheae, the pressurized air controlled in the 3rd gas-holder (11) by the second two-position five-way single control solenoid valve (94) penetrates in back pressure cylinder second port (93-2)

3 position-5 way Double-control solenoid valve (64), first two-position five-way single control solenoid valve (92), second two-position five-way single control solenoid valve (94), first high-pressure solenoid valve (62), second high-pressure solenoid valve (63), first gas-holder boost electromagnetic valve (28), first gas-holder pressure release electromagnetic valve (29), second gas-holder boost electromagnetic valve (18), second gas-holder pressure release electromagnetic valve (20), 3rd gas-holder boost electromagnetic valve (10) is all connected with automation control system (23) with the control line of the 3rd gas-holder pressure release electromagnetic valve (12), controls 3 position-5 way Double-control solenoid valve (64) by automation control system (23), first two-position five-way single control solenoid valve (92), second two-position five-way single control solenoid valve (94), control the first high-pressure solenoid valve (62), second high-pressure solenoid valve (63), first gas-holder boost electromagnetic valve (28), first gas-holder pressure release electromagnetic valve (29), second gas-holder boost electromagnetic valve (18), second gas-holder pressure release electromagnetic valve (20), 3rd gas-holder boost electromagnetic valve (10) and the 3rd gas-holder pressure release electromagnetic valve (12) action,

Double acting swinging valve pneumatic actuating unit sample (72) comprises double acting swinging valve pneumatic actuating unit sample rotating shaft (72-3), and back pressure cylinder (93) comprises back pressure piston rod (87),

The first chain movable block (73), the second chain movable block (73-1), the first head sprocket (75), the second head sprocket (75-1), the first chain (76), the second chain (76-1), the first auxiliary chain wheel (77), the second auxiliary chain wheel (77-1), transmission rod (78), angular transducer (79) and force value sensor (82) is provided with between described double acting swinging valve pneumatic actuating unit sample (72) and back pressure piston rod (87)

First chain movable block (73) is fixedly mounted on the first chain (76), and the second chain movable block (73-1) is fixedly mounted on the second chain (76-1),

Described first head sprocket (75) and the first auxiliary chain wheel (77) by (76) transmission of the first chain and synchronous axial system, described second head sprocket (75-1) and the second auxiliary chain wheel (77-1) by (76-1) transmission of the second chain and synchronous axial system,

Described first head sprocket (75) and the second head sprocket (75-1) by double acting swinging valve pneumatic actuating unit sample rotating shaft (72-3) driven rotary,

Fixed bar (73-2) is provided with between described first chain movable block (73) and the second chain movable block (73-1), force value sensor (82) one end is connected with fixed bar (73-2) by transmission rod (78), force value sensor (82) other end is connected with back pressure piston rod (87)

Described angular transducer (79) is fixedly mounted on the first auxiliary chain wheel (77) or on the second auxiliary chain wheel (77-1), angular transducer (79) is connected with automation control system (23), by angular transducer (79), the angle feedback signal detected is transferred on automation control system (23), described force value sensor (82) is connected with automation control system (23), by force value sensor (82) by the force value feedback signal transmission that detects on automation control system (23).

2. the proving installation of swinging valve used pneumatic actuator according to claim 1, is characterized in that: the volume of described back pressure cylinder (93) be no more than the second gas-holder (19), the 3rd gas-holder (11) volume 3 percent.

3. the proving installation of swinging valve used pneumatic actuator according to claim 1 and 2, is characterized in that: described double acting swinging valve pneumatic actuating unit sample (72) is provided with protective cover (71).

4. the proving installation of swinging valve used pneumatic actuator according to claim 1 and 2, it is characterized in that: described back pressure cylinder (93) is provided with distance adjusting means (95), regulate back pressure cylinder (93) relative to the distance of double acting swinging valve pneumatic actuating unit sample (72).

5. the proving installation of swinging valve used pneumatic actuator according to claim 3, it is characterized in that: described back pressure cylinder (93) is provided with distance adjusting means (95), regulate back pressure cylinder (93) relative to the distance of double acting swinging valve pneumatic actuating unit sample (72).

6. the proving installation of swinging valve used pneumatic actuator, it is characterized in that: comprise the first gas-holder (26), second gas-holder (19), 3rd gas-holder (11), 3 position-5 way Double-control solenoid valve (64), first two-position five-way single control solenoid valve (92), second two-position five-way single control solenoid valve (94), automation control system (23), single-acting swinging valve pneumatic actuating unit sample, back pressure cylinder (93), source of the gas (1), water-separating gas filter (2), inlet pressure gauge (3), reduction valve (4), delivery gauge (5), oil sprayer (6), high-pressure solenoid valve, high pressure air exhaust valve and blowout-back pressure gauge,

Described source of the gas (1), water-separating gas filter (2), inlet pressure gauge (3), reduction valve (4), delivery gauge (5), oil sprayer (6), high-pressure solenoid valve, high pressure air exhaust valve are connected by tracheae successively with blowout-back pressure gauge,

Described blowout-back pressure gauge is connected with single-acting swinging valve pneumatic actuating unit sample by tracheae, tracheae between blowout-back pressure gauge and single-acting swinging valve pneumatic actuating unit sample is provided with high-pressure pressure sensor, high-pressure pressure sensor is connected with automation control system (23), high-pressure pressure sensor by the high-pressure feedback signal transmission that detects to automation control system (23)

Described first gas-holder steam supply valve (31) is connected with 3 position-5 way Double-control solenoid valve (64) by tracheae, described 3 position-5 way Double-control solenoid valve (64) is connected with the tracheae between high-pressure solenoid valve and high pressure air exhaust valve by tracheae, penetrated in single-acting swinging valve pneumatic actuating unit sample by 3 position-5 way Double-control solenoid valve (64) pressurized air controlled in the first gas-holder (26)

3 position-5 way Double-control solenoid valve (64), the first two-position five-way single control solenoid valve (92), the second two-position five-way single control solenoid valve (94), the first gas-holder boost electromagnetic valve (28), the first gas-holder pressure release electromagnetic valve (29), the second gas-holder boost electromagnetic valve (18), the second gas-holder pressure release electromagnetic valve (20), the 3rd gas-holder boost electromagnetic valve (10), the 3rd gas-holder pressure release electromagnetic valve (12) are all connected with automation control system (23) with the control line of high-pressure solenoid valve

3 position-5 way Double-control solenoid valve (64), the first two-position five-way single control solenoid valve (92), the second two-position five-way single control solenoid valve (94), the first gas-holder boost electromagnetic valve (28), the first gas-holder pressure release electromagnetic valve (29), the second gas-holder boost electromagnetic valve (18), the second gas-holder pressure release electromagnetic valve (20), the 3rd gas-holder boost electromagnetic valve (10), the 3rd gas-holder pressure release electromagnetic valve (12) and high-voltage electromagnetic valve events is controlled by automation control system (23)

Described first gas-holder boost electromagnetic valve (28), the second gas-holder boost electromagnetic valve (18) and the 3rd gas-holder boost electromagnetic valve (10) are all connected with the tracheae between oil sprayer (6) and high-pressure solenoid valve by tracheae, pressurized air is penetrated in the first gas-holder (26), the second gas-holder (19) and the 3rd gas-holder (11)

Single-acting swinging valve pneumatic actuating unit sample comprises single-acting swinging valve pneumatic actuating unit sample rotating shaft (72-3), and back pressure cylinder (93) comprises back pressure piston rod (87),

The first chain movable block (73), the second chain movable block (73-1), the first head sprocket (75), the second head sprocket (75-1), the first chain (76), the second chain (76-1), the first auxiliary chain wheel (77), the second auxiliary chain wheel (77-1), transmission rod (78), angular transducer (79) and force value sensor (82) is provided with between described single-acting swinging valve pneumatic actuating unit sample rotating shaft (72-3) and back pressure piston rod (87)

Described first head sprocket (75) and the second head sprocket (75-1) by single-acting swinging Pneumatic actuator sample rotating shaft (72-3) driven rotary,

7. the proving installation of swinging valve used pneumatic actuator according to claim 6, is characterized in that: the volume of described back pressure cylinder (93) be no more than the second gas-holder (19), the 3rd gas-holder (11) volume 3 percent.

8. the proving installation of the swinging valve used pneumatic actuator according to claim 6 or 7, is characterized in that: described single-acting swinging valve pneumatic actuating unit sample is provided with protective cover (71).

9. the proving installation of the swinging valve used pneumatic actuator according to claim 6 or 7, it is characterized in that: described back pressure cylinder (93) is provided with distance adjusting means (95), regulate back pressure cylinder (93) relative to the distance of single-acting swinging valve pneumatic actuating unit sample.

10. the proving installation of swinging valve used pneumatic actuator according to claim 8, it is characterized in that: described back pressure cylinder (93) is provided with distance adjusting means (95), regulate back pressure cylinder (93) relative to the distance of single-acting swinging valve pneumatic actuating unit sample.