CN105115711B - A kind of life test machine of valve actuating device - Google Patents
A kind of life test machine of valve actuating device Download PDFInfo
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- CN105115711B CN105115711B CN201510508047.3A CN201510508047A CN105115711B CN 105115711 B CN105115711 B CN 105115711B CN 201510508047 A CN201510508047 A CN 201510508047A CN 105115711 B CN105115711 B CN 105115711B
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Abstract
The invention discloses a kind of life test machine of valve actuating device.Pressurizing pack, hydraulic package, high-voltage oil cylinder, friction clutch disk load torque device, dynamic torque sensor and the angular encoder of the life test machine are sequentially connected, angular encoder connects valve actuating device to be detected, pressurizing pack is pressurized to hydraulic oil, carries out pressure output to high-voltage oil cylinder by hydraulic package and pressure is controlled；Oil cylinder press part is provided with high-voltage oil cylinder, oil cylinder press part coordinates with friction clutch disk load torque device is converted to torque loads by vertical compressive force, and valve actuating device is tested by dynamic torque sensor and angular encoder.The cooperation that the present invention passes through oil cylinder press part in friction clutch disk load torque device and high-voltage oil cylinder, the vertical compressive force of high-voltage oil cylinder axial direction is efficiently converted into performs device load torque, comprehensive experiment can be carried out to valve actuating device many places key position.
Description
Technical field
The invention belongs to valve actuating device testing field, more particularly, to a kind of life test of valve actuating device
Machine.
Background technology
The quality of valve actuating device is most important, and quality can be ensured by carrying out effective life test to it, and raising can
By property.Good life test apparatus can be turned round to the turbine and worm of valve actuating device, gear pair, operational efficiency, maximum control
The many places such as square, position control accuracy key positions carries out comprehensive experiment, the applying working condition of more real simulation valve with
Various performance parameters data, optimization valve mechanism design calculating, material, driver type selecting etc..
Existing valve actuating device service life experiment system simulates the change of valve open and close torque with hydraulic control, and it has
Hydraulic loading device, hydraulic control system and circulating cooling system composition, passing ratio overflow valve adjust back-pressure, realized
To the proportion adjustment of back pressure high pressure, high pressure end pressure is monitored, carrys out stroke with reference to rotary torque sensor defeated to electric device for valve
Go out the closed-loop control of moment of torsion, due to the Incoercibility of hydraulic medium in load circuit, therefore the speed of actuator loading will be very
Slowly, there is sufficient regulating time to ensure that it is not high that proportional pressure control valve can adjust back-pressure stability, whole control system is answered
Miscellaneous manufacture maintenance cost is high, and maximum also only has 1200N.m load torque characteristic, mainly its design principle limitation
Maximum torque loads, and this simulation valve stem nut realizes that the mode precision low error of load torque value is big, experiment knot
Fruit persuasion property is not strong.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art to realize there is heavy load torque characteristics there is provided one kind, can be steady
The life test machine of fixed accurate test valve actuating device.
The present invention uses following technical scheme：A kind of life test machine of valve actuating device, including pressurizing pack, hydraulic pressure
Component, high-voltage oil cylinder, friction clutch disk load torque device, dynamic torque sensor and angular encoder, pressurizing pack, hydraulic pressure
Component, high-voltage oil cylinder, friction clutch disk load torque device, dynamic torque sensor and angular encoder are sequentially connected, angle
Encoder connects valve actuating device to be detected, and pressurizing pack is pressurized to hydraulic oil, by hydraulic package to hydraulic oil
Cylinder carries out pressure output and pressure is controlled；Be provided with oil cylinder press part in high-voltage oil cylinder, oil cylinder press part and rub from
Close the cooperation of disk load torque device and vertical compressive force is converted into torque loads, and pass through dynamic torque sensor and angular coding
Device is tested valve actuating device.
As an improvement, pressurizing pack includes gas-liquid booster pump, fuel tank, supercharging flow speed control valve, air inlet electromagnetic valve and air inlet
Pressure gauge, fuel tank is connected by the first petroleum pipeline with gas-liquid booster pump, supercharging flow speed control valve, air inlet electromagnetic valve and boost gauge
It is sequentially connected in series on an appendix, appendix two ends connect gas-liquid booster pump and high-pressure air source respectively；High-pressure air source and hydraulic pressure
Oil each leads into gas-liquid booster pump, drives the piston in gas-liquid booster pump to be pressurized hydraulic oil by high-pressure air source.
As an improvement, hydraulic package is including connecting the second petroleum pipeline of gas-liquid booster pump and high-voltage oil cylinder, being connected on
Proportion type reducing valve, the high-pressure solenoid valve being arranged in parallel with proportion type reducing valve on second petroleum pipeline, one end are connected to high pressure
The pressure release electromagnetic valve of the other end the first petroleum pipeline of connection between oil cylinder and proportion type reducing valve；Close to gas-liquid on second petroleum pipeline
Booster pump one end is provided with input pressure sensor, the second petroleum pipeline is provided with work end pressure close to high-voltage oil cylinder one end
Sensor.
As an improvement, it is in series with energy storage on the second petroleum pipeline between input pressure sensor and gas-liquid booster pump
Tank.
As an improvement, also include Human-machine Control interface, valve actuating device, angular encoder, dynamic torque are passed
Sensor, high-pressure solenoid valve, pressure release electromagnetic valve, input pressure sensor, working end pressure sensor and air inlet electromagnetic valve with
Human-machine Control interface is connected.
As an improvement, Human-machine Control interface includes display, controller and comparator；Controller drives air inlet electromagnetism
The output pressure of valve regulation gas-liquid booster pump, input pressure sensor feeds back output pressure to comparator, comparator transmission letter
Number air inlet electromagnetic valve is adjusted to controller；Controller drives the pressure of high-voltage electromagnetic valve regulation high-voltage oil cylinder, working end
Pressure sensor feedback pressure transmits a signal to controller and high-pressure solenoid valve is adjusted to comparator, comparator；Display
Show that valve actuating device, angular encoder, dynamic torque sensor, high-pressure solenoid valve, pressure release electromagnetic valve, input end pressure are passed
The working condition and job information of sensor, working end pressure sensor and air inlet electromagnetic valve.
As an improvement, friction clutch disk load torque device is provided with the clutch discs of multi-layer phase mutual friction cooperation.
As an improvement, clutch discs without asbestos red copper fiber friction material by being made.
Beneficial effects of the present invention：Using brand-new friction clutch design principle, pass through friction clutch disk load torque
The cooperation of oil cylinder press part in device and high-voltage oil cylinder, performs device is efficiently converted to by the vertical compressive force of high-voltage oil cylinder axial direction
Load torque, realization reaches 10000N.m load torque characteristics, can be to the turbine and worm, gear pair, fortune of valve actuating device
The many places key positions such as line efficiency, maximum control mode, position control accuracy carry out comprehensive experiment, more real simulation
The applying working condition and various performance parameters data of valve, optimization valve mechanism design calculating, material, driver type selecting etc.；Supercharging
Component and hydraulic package can control the pressure value of high-voltage oil cylinder and can carry out the regulation of fast and flexible, meet the need of life test
Will；In the life test of valve actuating device, open terminal location and controlled by the travel control switch of angular encoder, closed
Terminal location is controlled by the controlling switch of dynamic torque sensor.
Brief description of the drawings
Fig. 1 is the structural representation of the life test machine of valve actuating device of the present invention.
Fig. 2 is the high-voltage oil cylinder control pressurer system schematic diagram of the present invention.
Fig. 3 is the gas-liquid pressure-boosting pump control system schematic diagram of the present invention.
Embodiment
The specific embodiment of the present invention is elaborated below in conjunction with accompanying drawing.
As shown in Figure 1, 2, 3, be valve actuating device of the present invention life test machine a kind of specific embodiment.The implementation
Example includes pressurizing pack 1, hydraulic package 2, high-voltage oil cylinder 3, friction clutch disk load torque device 4, the and of dynamic torque sensor 5
Angular encoder 6, pressurizing pack 1, hydraulic package 2, high-voltage oil cylinder 3, friction clutch disk load torque device 4, dynamic torque are passed
Sensor 5 and angular encoder 6 are sequentially connected, and angular encoder 6 connects valve actuating device 7 to be detected, and pressurizing pack 1 is to liquid
Force feed is pressurized, and carries out pressure output to high-voltage oil cylinder 3 by hydraulic package 2 and pressure is controlled；In high-voltage oil cylinder 3
Oil cylinder press part 31 is provided with, oil cylinder press part 31 coordinates with friction clutch disk load torque device 4 changes vertical compressive force
For torque loads, and valve actuating device 7 is tested by dynamic torque sensor 5 and angular encoder 6.The present invention
In, the pressure source during pressurizing pack and hydraulic package offer valve actuating device life test can control high-voltage oil cylinder
Pressure value and the regulation that fast and flexible can be carried out, the need for meeting life test；The oil cylinder press part 31 set in high-voltage oil cylinder 3
Vertical compressive force is produced, is coordinated by friction clutch disk load torque device 4 with oil cylinder press part 31, vertical compressive force is efficient
Performs device load torque is converted to, realization reaches 10000N.m load torque characteristics, mould in the prior art is overcome well
Intend valve stem nut and realize that the low error of mode precision of load torque value is big, the not strong defect of result of the test persuasion property；Held in valve
Luggage is put in 7 life test, is opened terminal location and is controlled by the travel control switch of angular encoder 6, position of closing a terminal
Controlled by the controlling switch of dynamic torque sensor 5, simple and reliable for structure, control is flexible.This practical latest model can be to valve
The many places key positions such as turbine and worm, gear pair, operational efficiency, maximum control mode, the position control accuracy of performs device 7 enter
The comprehensive experiment of row, the applying working condition and various performance parameters data of more real simulation valve, optimization valve mechanism is set
Calculating, material, driver type selecting etc. are counted, is conducive to being lifted the quality level of manufacturing enterprise's product, it is ensured that product reliability.
As an improvement embodiment, pressurizing pack 1 include gas-liquid booster pump 11, fuel tank 12, supercharging speed governing
Valve 13, air inlet electromagnetic valve 14 and boost gauge 15, fuel tank 12 are connected by the first petroleum pipeline 1a with gas-liquid booster pump 11, are increased
Pressure flow speed control valve 13, air inlet electromagnetic valve 14 and boost gauge 15 are sequentially connected in series on an appendix 1b, appendix 1b two ends point
Lian Jie not gas-liquid booster pump 11 and high-pressure air source；High-pressure air source and hydraulic oil each lead into gas-liquid booster pump 11, by high-pressure air source
Piston in driving gas-liquid booster pump 11 is pressurized to hydraulic oil.By appendix 1b connection high-pressure air sources in pressurizing pack 1, lead to
Entering gases at high pressure to gas-liquid booster pump 11 drives its piston to be pressurized hydraulic oil, and hydraulic oil passes through the first oil transportation from fuel tank 12
Pipe 1a accesses gas-liquid booster pump 11, and being specifically passed through 0.8MPa bleed pressure can realize that output oil pressure pressure value is up to
The pumping rate of gas-liquid booster pump 11 can be adjusted for 14.0MPa, supercharging flow speed control valve 13；It is simple in construction above, by gas-liquid
Mix pressurized effect good, and flexible modulation pumping rate can be accomplished by adjusting gas flow.Air inlet electromagnetic valve 14 is set and entered
Atmospheric pressure table 15, which is easy to implement, automatically adjusts air inflow.
As an improvement embodiment, hydraulic package 2 includes connection gas-liquid booster pump 11 and high-voltage oil cylinder 3
What the second petroleum pipeline 21, the proportion type reducing valve 22 being connected on the second petroleum pipeline 21 and proportion type reducing valve 22 were arranged in parallel
High-pressure solenoid valve 23, one end are connected between high-voltage oil cylinder 3 and proportion type reducing valve 22 and the other end connects the first petroleum pipeline 1a
Pressure release electromagnetic valve 24；The one end of gas-liquid booster pump 11 is provided with input pressure sensor 25 on second petroleum pipeline 21, the
The one end of high-voltage oil cylinder 3 is provided with working end pressure sensor 26 on two petroleum pipelines 21.Second petroleum pipeline 21 is oil feed line,
Set scale formula pressure-reducing valve 22 and high-pressure solenoid valve 23, and coordinate the pipeline at the place of pressure release electromagnetic valve 24 as oil return pipe thereon
Pressure source of the road there is provided valve actuating device 7 during life test, pressure output is stable and is easy to regulation, simple in construction
It is easily installed setting.Input pressure sensor 25 and working end pressure sensor 26 are further set respectively to gas-liquid booster pump
11 and the pressure of high-voltage oil cylinder 3 detected, be easy to adjusted control.
As an improvement embodiment, second between input pressure sensor 25 and gas-liquid booster pump 11
Energy storage canister 27 is in series with petroleum pipeline 21.Energy storage tank 27 is set to play certain delay to the output pressure of gas-liquid booster pump 11
Punching is acted on, and makes pressure output more steady, so as to ensure the stabilization of life test.
As an improvement embodiment, also include Human-machine Control interface 8, valve actuating device 7, angle are compiled
Code device 6, dynamic torque sensor 5, high-pressure solenoid valve 23, pressure release electromagnetic valve 24, input pressure sensor 25, work end pressure
Sensor 26 and air inlet electromagnetic valve 14 are connected with Human-machine Control interface 8.Human-machine Control interface 8 includes display, controller
And comparator；Controller driving air inlet electromagnetic valve 14 adjusts the output pressure of gas-liquid booster pump 11, input pressure sensor 25
Output pressure is fed back to comparator, and comparator transmits a signal to controller and air inlet electromagnetic valve 14 is adjusted；Controller drives
High-pressure solenoid valve 23 adjusts the pressure of high-voltage oil cylinder 3, and the feedback pressure of working end pressure sensor 26 is to comparator, comparator transmission
High-pressure solenoid valve 23 is adjusted to controller for signal；Display shows that valve actuating device 7, angular encoder 6, dynamic are turned round
Square sensor 5, high-pressure solenoid valve 23, pressure release electromagnetic valve 24, input pressure sensor 25, working end pressure sensor 26 and enter
The working condition and job information of pneumoelectric magnet valve 14.Human-machine Control interface 8 can make control and detect each part operation order association
Adjust effective.According to torque loads characteristic requirements as defined in standard, input pressure sensor 25 is controlled by air inlet electromagnetic valve 14
The operation of gas-liquid booster pump 11, makes output end pressure reach the setting value in Human-machine Control interface 8, and its setting value can reach valve
The peak torque load characteristic of door performs device 7.Working end pressure sensor 26 controls high-voltage oil cylinder 3 by high-pressure solenoid valve 23
Pressure value, make the internal piston pressure of high-voltage oil cylinder 3 reach experiment sets requirement pressure value, now internal pressure value can expire
The torque loads characteristic of sufficient valve actuating device 7 reaches maximum.When valve actuating device 7 carries out life test, to run
Moment of torsion operating (1/3rd of the maximum control mode of valve actuating device 7), is closed with maximum control mode.Pass through high-voltage electromagnetic
Valve 23, proportion type reducing valve 22, pressure release electromagnetic valve 24, which coordinate, is adjusted high-voltage oil cylinder internal pressure, negative with reference to friction clutch disk
Carry torquer 4 and realize that proportion type reducing valve 22 is adjusted in dynamic torque loads characteristic, process of the test causes valve to perform dress
Put 7 torque loads characteristics and reach the 1/3 of maximum.And working end pressure sensor 26 controls hydraulic oil by high-pressure solenoid valve 23
The pressure value of cylinder 3, makes the internal piston pressure of high-voltage oil cylinder 3 reach the pressure value of experiment sets requirement, now internal pressure value energy
The torque loads characteristic for enough meeting valve actuating device 7 reaches maximum.Pressure release electromagnetic valve 24 is mainly used to once try in operating
Released at the end of testing 2/3 oil cylinder internal pressure, in-oil cylinder pressure is reduced to the outlet pressure of proportion type reducing valve 22, makes to bear
Carry the maximum control mode of valve actuating device 7 that characteristic returns to 1/3.
As an improvement embodiment, friction clutch disk load torque device 4 is provided with multi-layer phase mutual friction
The clutch discs of cooperation, clutch discs without asbestos red copper fiber friction material by being made.Friction clutch disk load torque device 4 is using more
Layer is without asbestos red copper fiber friction material, stable coefficient of friction and excellent anti-wear performance, maximum friction coefficient with high
0.4 can be reached, the thrust of vertical direction is effectively converted into the torque loads that clutch discs produce direction of rotation, and its
The oil cylinder working-pressure value that torque loads are provided according to proportion type reducing valve 22 and high-pressure solenoid valve 23 carries out switching at runtime.
Claims (8)
1. a kind of life test machine of valve actuating device, it is characterised in that：Including pressurizing pack (1), hydraulic package (2), height
Compressing cylinder (3), friction clutch disk load torque device (4), dynamic torque sensor (5) and angular encoder (6), the supercharging
Component (1), hydraulic package (2), high-voltage oil cylinder (3), friction clutch disk load torque device (4), dynamic torque sensor (5) and
Angular encoder (6) is sequentially connected, and the angular encoder (6) connects valve actuating device (7) to be detected, the supercharging group
Part (1) is pressurized to hydraulic oil, carries out pressure output to high-voltage oil cylinder (3) by hydraulic package (2) and pressure is controlled
System；Oil cylinder press part (31) is provided with the high-voltage oil cylinder (3), the oil cylinder press part (31) loads with friction clutch disk and turned round
Moment device (4) coordinates is converted to torque loads by vertical compressive force, and by dynamic torque sensor (5) and angular encoder
(6) valve actuating device (7) is tested.
2. a kind of life test machine of valve actuating device according to claim 1, it is characterised in that：The pressurizing pack
(1) gas-liquid booster pump (11), fuel tank (12), supercharging flow speed control valve (13), air inlet electromagnetic valve (14) and boost gauge (15) are included,
The fuel tank (12) is connected by the first petroleum pipeline (1a) with gas-liquid booster pump (11), the supercharging flow speed control valve (13), air inlet
Magnetic valve (14) and boost gauge (15) are sequentially connected in series on an appendix (1b), and appendix (1b) two ends connect respectively
Connect gas-liquid booster pump (11) and high-pressure air source；High-pressure air source and hydraulic oil each lead into the gas-liquid booster pump (11), by high pressure
Piston in source of the gas driving gas-liquid booster pump (11) is pressurized to hydraulic oil.
3. a kind of life test machine of valve actuating device according to claim 2, it is characterised in that：The hydraulic package
(2) including connecting the second petroleum pipeline (21) of gas-liquid booster pump (11) and high-voltage oil cylinder (3), being connected on the second petroleum pipeline (21)
Proportion type reducing valve (22), the high-pressure solenoid valve (23) being arranged in parallel with proportion type reducing valve (22), one end be connected to high pressure
The pressure release electromagnetic valve (24) of the other end the first petroleum pipeline of connection (1a) between oil cylinder (3) and proportion type reducing valve (22)；It is described
Gas-liquid booster pump (11) one end is provided with input pressure sensor (25), second oil transportation on second petroleum pipeline (21)
High-voltage oil cylinder (3) one end is provided with working end pressure sensor (26) on pipe (21).
4. a kind of life test machine of valve actuating device according to claim 3, it is characterised in that：The input side pressure
Energy storage canister (27) is in series with the second petroleum pipeline (21) between force snesor (25) and gas-liquid booster pump (11).
5. a kind of life test machine of valve actuating device according to claim 4, it is characterised in that：Also include man-machine
Control interface (8), the valve actuating device (7), angular encoder (6), dynamic torque sensor (5), high-pressure solenoid valve
(23), pressure release electromagnetic valve (24), input pressure sensor (25), working end pressure sensor (26) and air inlet electromagnetic valve (14)
It is connected with Human-machine Control interface (8).
6. a kind of life test machine of valve actuating device according to claim 5, it is characterised in that：The Human-machine Control
Interface (8) includes display, controller and comparator；Controller driving air inlet electromagnetic valve (14) the regulation gas-liquid booster pump
(11) output pressure, input pressure sensor (25) feeds back output pressure to comparator, and comparator transmits a signal to control
Air inlet electromagnetic valve (14) is adjusted device；The pressure of controller driving high-pressure solenoid valve (23) the regulation high-voltage oil cylinder (3),
Pressure sensor (26) feedback pressure in working end is to comparator, and comparator transmits a signal to controller and high-pressure solenoid valve (23) is entered
Row regulation；The display shows valve actuating device (7), angular encoder (6), dynamic torque sensor (5), high-voltage electromagnetic
Valve (23), pressure release electromagnetic valve (24), input pressure sensor (25), working end pressure sensor (26) and air inlet electromagnetic valve
(14) working condition and job information.
7. a kind of life test machine of valve actuating device according to any one of claim 1-6, it is characterised in that：Institute
State the clutch discs that friction clutch disk load torque device (4) is provided with multi-layer phase mutual friction cooperation.
8. a kind of life test machine of valve actuating device according to claim 7, it is characterised in that：The clutch discs are
It is made without asbestos red copper fiber friction material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510508047.3A CN105115711B (en) | 2015-08-18 | 2015-08-18 | A kind of life test machine of valve actuating device |
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|---|---|---|---|
| CN201510508047.3A CN105115711B (en) | 2015-08-18 | 2015-08-18 | A kind of life test machine of valve actuating device |
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| CN105115711A CN105115711A (en) | 2015-12-02 |
| CN105115711B true CN105115711B (en) | 2017-09-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108152017A (en) * | 2016-12-06 | 2018-06-12 | 凤城市凯驰内燃机配件有限公司 | A kind of actuator high temperature endurance test device |
| CN109556874B (en) * | 2018-11-28 | 2020-12-04 | 中国航发沈阳黎明航空发动机有限责任公司 | Aeroengine actuator cylinder flow strength test device |
| CN109520724A (en) * | 2018-12-24 | 2019-03-26 | 中国船舶重工集团公司第七〇九研究所 | Underwater ball valve load simulating device and underwater ball valve executing agency test method |
| CN109520723B (en) * | 2018-12-24 | 2023-11-21 | 中国船舶重工集团公司第七一九研究所 | Underwater gate valve load simulation device and underwater gate valve executing mechanism test method |
| CN110579345B (en) * | 2019-07-30 | 2021-07-06 | 浙江省泵阀产品质量检验中心（永嘉县质量技术监督检测研究院） | Rotary valve electric actuator comprehensive testing device |
| CN112747914B (en) * | 2021-01-28 | 2023-03-14 | 卡斯托智能科技江阴有限公司 | Fatigue life test bench and method for electric actuator |
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