CN106441855B - The pilot system in the electric device for valve service life with torque drive leading screw and triatic stay - Google Patents
The pilot system in the electric device for valve service life with torque drive leading screw and triatic stay Download PDFInfo
- Publication number
- CN106441855B CN106441855B CN201611029109.3A CN201611029109A CN106441855B CN 106441855 B CN106441855 B CN 106441855B CN 201611029109 A CN201611029109 A CN 201611029109A CN 106441855 B CN106441855 B CN 106441855B
- Authority
- CN
- China
- Prior art keywords
- valve
- leading screw
- electric device
- torque drive
- drive leading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of pilot systems in the electric device for valve service life with torque drive leading screw and triatic stay, include the electric device for valve to be measured of installation on the table.Workbench includes platen.The output revolving shaft lower end of electric device for valve is connected through the piston of torque drive leading screw and oil cylinder, and torque drive leading screw lower end is connect across platen with piston, and the lower end of torque drive leading screw is equipped with the triatic stay for keeping torque drive leading screw stability.Torque drive leading screw passes through ut socket and is connect with ut socket screw-thread fit.Due to there is the presence of ut socket that not only electric device for valve can be firmly secured on platen, but also the stability of torque drive leading screw can be effectively kept, torque drive leading screw is avoided the phenomenon that double swerve occur when pulling piston stroking upward.The presence of triatic stay avoids the lower end of torque drive leading screw from the phenomenon that double swerve occur when pulling piston stroking upward also for the stability for keeping torque drive leading screw.
Description
The application is application No. is 201410095101.1, and the applying date is on March 14th, 2014, and invention and created name is
A kind of divisional application of the application for a patent for invention of " electric device for valve life test rack ".
Technical field
The present invention relates to a kind of testing stands in electric device for valve service life（The also referred to as experiment system in electric device for valve service life
System）.
Background technology
Electric device for valve is to realize that valve stroking, automatic control and the indispensable driving equipment of remote control, common valve are electronic
The general efficiency of life test detection method that device manufacturing enterprise uses is low, test process is complicated, and dynamic is not in test parameter
Existing, precision cannot guarantee that, and need personnel day and night on duty.
The true service requirement of valve is pressed, load characteristic is as shown in Fig. 1, when electric device for valve life test, with operation
Torque operates, and is closed with maximum control mode（That is in Fig. 1 represented by vertical line part）.Control valve experiment in this way cannot be accurate
The true working condition of simulation valve.
Originally the electric device for valve life test rack of general enterprises is loaded using disk spring simulation valve, service life examination
Testing process, there are many disadvantages, cannot meet testing regulations requirement.
Electrical control is using contactor, relay control discrete component and simple disk spring control device, Bu Nengjin
Real-time data acquisition, analysis and the communication of row electric device for valve experiment, torque is to measure indirectly, that is, passes through electric device for valve
Upper force moment protection determines the form of peak torque, can not read the real-time torque in operational process, so every time before on-test
The debugging correction course grown is needed very much, the accuracy of electric device for valve life test is reduced, it is difficult to meet user's requirement.
Life test will be done 10000 times or so, in order to shorten test period, generally take the continuous work of electric device for valve
Make, fever can be caused to increase the electric device for valve motor of short time duty in this way, ordinary test platform does not have circulating cooling
System, life test can only use artificial cooling, and labor intensity is very big, easy tos produce safety accident.
Invention content
The technical problem to be solved by the present invention is to：A kind of electric valve with torque drive leading screw and triatic stay is provided
The pilot system of device lifetime makes adjustment electric device for valve in ten thousand life tests, the load characteristic of electric device for valve
The true operating status requirement of valve can be fully met.
The technical solution adopted by the present invention to solve the technical problems is：The present invention's has torque drive leading screw and level
The pilot system in the service life of the electric device for valve of strut（Hereinafter referred to as pilot system）It is filled including workbench, electric valve to be measured
It sets, hydraulic control device from load torque to electric device for valve to be measured and electric control console for providing, electric-controlled
Operation console processed forms circuit with electric device for valve and hydraulic control device and workbench respectively and connect.
The hydraulic control device includes fuel tank, three-position four-way electromagnetic directional valve and oil cylinder, and 3-position 4-way electromagnetism changes
There is first interface, second interface, third interface and the 4th interface, the fuel tank and first interface pipeline connection to valve,
It is provided with oil pump on the pipeline, the oil inlet and oil outlet of oil cylinder are respectively through pipeline and second interface and third orifice, and
Four interfaces are connected to through oil return pipe with fuel tank, and proportional pressure control valve is provided on the pipeline of the oil return pipe between the 4th interface and fuel tank
And pressure sensor.
On the table, the output revolving shaft lower end of electric device for valve is through torque sensing for the electric device for valve installation
Device and the connection of the piston of torque drive leading screw and oil cylinder, the torque drive leading screw form screw-thread fit with workbench, and torque passes
The upper end of dynamic leading screw is connect through torque sensor with output revolving shaft；Torque drive leading screw is by torque sensor drive and workbench
Nut screw rotation realize move up and down, to drive the piston up-down of oil cylinder.
For the electric device for valve in life test, electric device for valve undergoes operation phase and load rank successively
Section, in load phase, torque and there are linear ratio relations between the working time that electric device for valve provides.
Further, the workbench includes the four columns of platen and bottom, and electric device for valve to be measured is through nut
Sleeve is mounted on platen, and screw-thread fit is formed between torque drive leading screw and platen, and torque drive leading screw passes through ut socket
And it is connect with ut socket screw-thread fit.
Further, the torque drive leading screw lower end is connect across platen with piston, the lower end of torque drive leading screw
Portion is equipped with the triatic stay for keeping torque drive leading screw stability, and triatic stay coordinates with torque drive threads of lead screw,
The both ends of triatic stay are separately installed with copper sheathing, and the copper sheathing at both ends is contacted with the column of both sides respectively, and the copper sheathing is semicircle
Shape structure.
Further, upper limit position switch, lower position switch and loaded switches are provided on the column, loaded switches are located at
Between upper limit position switch and lower position switch, upper limit position switch, lower position switch and loaded switches are operated with electrical control respectively
Platform forms circuit connection.
When copper sheathing and upper limit position switch are touched, torque drive leading screw stops uplink；When copper sheathing and loaded switches are touched,
Torque drive leading screw load operating；When copper sheathing and lower position switch are touched, torque drive leading screw stops downlink.
When electric device for valve is in the operation phase, the copper sheathing is between upper limit position switch and loaded switches；Valve
When valve electric device is in load phase, the copper sheathing is between loaded switches and lower position switch.
Further, it is equipped on the pipeline of first interface entrance for protecting three-position four-way electromagnetic directional valve to change
To the first overflow valve of safety, first overflow valve is electromagnetic relief valve, and forms circuit with electric control console
Connection.
Further, the second overflow valve is communicated on the pipeline at fuel pump outlet.
Further, it is respectively arranged with one-way throttle valve on the pipeline of oil cylinder oil inlet mouth and oil outlet.
Further, filter and unidirectional is also equipped on the pipeline between the fuel tank and three-position four-way electromagnetic directional valve
Valve, on the pipeline that filter is arranged between oil pump and fuel tank.
Further, the electric control console includes industrial personal computer, PLC and expanding element, which has liquid
Crystalline substance shows touch screen, the parameter that PLC receives the data of industrial personal computer transmission and torque sensor is fed back, the proportional overflow
The proportional overflow output of valve is adjusted to be controlled via the expanding element of PLC.
Further, the cooling dress to cool down for the motor to electric device for valve is additionally provided on the workbench
It sets.
The beneficial effects of the invention are as follows：By hydraulic control device load torque, Ke Yiwei are provided for electric device for valve
Electric device for valve simulates more true valve operating status, improves the efficiency of electric device for valve test, makes to test
Journey becomes simpler, and test parameter is in Dynamic Announce, and accuracy can also be guaranteed, and the degree of automation is improved.
Using EVC touch panel computer and PLC, replace contactor, relay control system, to sensor and detection instrument into
Row real-time data acquisition, while friendly man-machine interface is established, keep entire pilot system operation operation simpler intuitive, and
Can be with real time modifying and monitoring control parameter, and record and export.
Increase circulating water cooling device, the motor of timely coolant valve electric device ensures that entire life test is smoothly complete
At.
Torque drive leading screw passes through ut socket and is connect with ut socket screw-thread fit.Due to there is the presence of ut socket
Not only electric device for valve can be firmly secured on platen, but also can effectively keeps the stability of torque drive leading screw, kept away
Exempt from torque drive leading screw and the phenomenon that double swerve occurs when pulling piston stroking upward.The presence of triatic stay is also for guarantor
The stability for holding torque drive leading screw avoids the lower end of torque drive leading screw from double swerve occur when pulling piston stroking upward
The phenomenon that.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the load characteristic schematic diagram of testing stand before transformation.
Fig. 2 is the load characteristic schematic diagram when present invention is less than 1200N.M electric device for valve using nominal torque.
Fig. 3 be present invention valve in use be opened to and close to the standard testing time schematic diagram.
Fig. 4 is the hydraulic principle figure in the hydraulic control device of the present invention.
Fig. 5 is the schematic diagram of pilot system of the present invention.
Fig. 6 is the attachment structure schematic diagram between the torque drive leading screw and ut socket, workbench of the present invention.
Fig. 7 is the whole control flow schematic diagram of pilot system of the present invention.
Label in above-mentioned attached drawing is as follows：Workbench 1, platen 11, column 12, upper limit position switch 13, lower position switch 14,
Loaded switches 15, cooling device 5, ut socket 6, torque sensor 7, torque drive leading screw 8, triatic stay 9, copper sheathing 91；Valve
Valve electric device 2, hydraulic control device 3, fuel tank 31, three-position four-way electromagnetic directional valve 32, oil cylinder 33, oil pump 34, proportional overflow
Valve 35, the first overflow valve 36, the second overflow valve 37, one-way throttle valve 38, filter 39, piston 331；Electric control console 4.
Specific implementation mode
Below in conjunction with attached drawing, the present invention is described in further detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
（Embodiment 1）
As shown in Fig. 4 to Fig. 6, the electric device for valve service life with torque drive leading screw and triatic stay of the present embodiment
Pilot system, including workbench 1, electric device for valve to be measured 2, for electric device for valve 2 to be measured provide load torque
Hydraulic control device 3 and electric control console 4, electric control console 4 respectively with electric device for valve 2 and liquid
Pressure control device 3 and workbench 1 form circuit connection.
Hydraulic control device 3 includes fuel tank 31, three position four-way directional control valve 32 and oil cylinder 33,3-position 4-way electromagnetic switch
Valve 32 has first interface, second interface, third interface and the 4th interface, fuel tank 31 and first interface pipeline connection,
Oil pump 34 is provided on the pipeline, the oil inlet and oil outlet of oil cylinder 33 connect through pipeline and second interface and third interface respectively
Logical, the 4th interface is connected to through oil return pipe with fuel tank 31, is arranged on the pipeline of the oil return pipe between the 4th interface and fuel tank 31
Proportional overflow valve 35 and pressure sensor.
Electric device for valve 2 is mounted on workbench 1, and the output revolving shaft lower end of electric device for valve 2 is passed by torque
Dynamic leading screw 8 is connect with the piston 331 of oil cylinder 33, and torque drive leading screw 8 forms screw-thread fit, torque drive with workbench 1
The upper end of leading screw 8 connect transmission with output revolving shaft through torque sensor 7；Torque drive leading screw 8 is through 7 band of torque sensor
Dynamic realized with 1 helical rotation of workbench moves up and down, to drive the piston 331 of oil cylinder 33 to move up and down；Valve electricity to be measured
The torque that 2 electric device for valve 2 of dynamic device provides is consistent with the torque characteristics under valve real work state.
Electric device for valve 2 bear piston 331 load torque tested when, electric device for valve 2 is undergone successively
Operation phase and load phase, in load phase, torque and exist between the working time linear that electric device for valve 2 provides
Proportionate relationship.
Workbench 1 includes the four columns 12 of platen 11 and bottom, and electric device for valve 2 to be measured is through ut socket 6
On platen 11, screw-thread fit is formed between torque drive leading screw 8 and platen 11, torque drive leading screw 8 passes through spiral shell
Mother sleeve 6 is simultaneously connect with 6 screw-thread fit of ut socket；Connection structure between torque drive leading screw 8 and ut socket 6
For, axle sleeve is installed in ut socket 6, is rotatably assorted by ball bearing formation between axle sleeve and ut socket 6, torque
Turn-screw 8 pass through axle sleeve and be with the inner ring of axle sleeve formed screw-thread fit, due to have ut socket 6 there are one be can
Electric device for valve 2 to be stably fixed on platen 11, second is that the stabilization of torque drive leading screw 8 can effectively be kept
Property, avoid torque drive leading screw 8 from the phenomenon that double swerve occur when pulling 331 uplink of piston.
8 lower end of torque drive leading screw is connect across platen 11 with piston 331, the lower end peace of torque drive leading screw 8
Equipped with the triatic stay 9 for keeping 8 stability of torque drive leading screw, triatic stay 9 is matched with 8 spiral of torque drive leading screw
It closes, the both ends of triatic stay 9 are separately installed with copper sheathing 91, and copper sheathing 91 is semicircular structure, and the copper sheathing 91 at both ends is distinguished
It is contacted with the column 12 of both sides.Copper sheathing 91 is semicircular structure primarily to avoiding occurring casey between copper sheathing and column
The phenomenon that.
The presence of triatic stay 9 avoids torque drive leading screw 8 also for the stability for keeping torque drive leading screw 8
Lower end there is the phenomenon that double swerve when pulling 331 uplink of piston.
Upper limit position switch 13, lower position switch 14 and loaded switches 15 are provided on column 12, loaded switches 15 are located at
Between upper limit position switch 13 and lower position switch 14, upper limit position switch 13, lower position switch 14 and loaded switches 15 are distinguished
Circuit is formed with electric control console 4 to connect.
When copper sheathing 91 and upper limit position switch 13 are touched, torque drive leading screw 8 stops uplink；When copper sheathing 91 and load
When switch 15 is touched, 8 load operating of torque drive leading screw；When copper sheathing 91 and lower position switch 14 are touched, torque drive
Leading screw 8 stops downlink.
When electric device for valve 2 is in the operation phase, copper sheathing 91 is located at upper limit position switch 13 and loaded switches 15
Between, when electric device for valve 2 is in load phase, copper sheathing 91 is between loaded switches 15 and lower position switch 14.
When copper sheathing 91 is in contact with loaded switches 15, PLC controls proportional pressure control valve work, to which piston is to torque drive
Leading screw 8 provides load torque, and the output revolving shaft of electric device for valve 2 at this time starts load running, when copper sheathing 91 and adds
Torque drive leading screw 8 stops downlink when load switch is in contact.
It is equipped on the pipeline of first interface entrance for protecting three-position four-way electromagnetic directional valve 32 to commutate safety
The first overflow valve 36, the first overflow valve 36 be electromagnetic relief valve, and with electric control console 4 formed circuit connect.
It can make three-position four-way electromagnetic directional valve 32 when commutation by the electromagnetic relief valve, by high pressure caused by backpressure circuit
It discharges, for the high pressure instantaneous herk at back pressure end to low pressure, input end, impact and influence input circuit oil pump etc. are low when avoiding commutating
Press the normal use of component, it is ensured that the service life of hydraulic pressure input terminal, the first overflow valve 36 undertake 3-position 4-way electromagnetic switch
32 intelligent protection commutation function of valve.
The second overflow valve 37 is communicated on the pipeline in 34 exit of oil pump.In the oil inlet pipe of the second overflow valve 37
On be provided with pressure gauge, the oil pressure inputted from oil pump 34 can be controlled by the second overflow valve 37, stabilization connects into first
The oil pressure of oil cylinder 33 when mouth avoids unstable oil pressure from generating impact shadow to the equal components of three-position four-way electromagnetic directional valve 32
It rings.
It is respectively arranged with one-way throttle valve 38 on the pipeline of 33 oil inlet of oil cylinder and oil outlet.Through two one-way throttle valves
38 may insure the normal work of oil cylinder 33, make the piston 331 of oil cylinder 33 when flexible with stable oil pressure cntrol, keep away
Exempt from that shake occurs when oil cylinder piston 331 stretches and tilts.Pipeline between fuel tank 31 and three-position four-way electromagnetic directional valve 32
On be also equipped with filter 39 and check valve, filter 39 is arranged on the pipeline between oil pump 34 and fuel tank 31, keep
The cleaning of 33 hydraulic oil of oil cylinder, the main function of check valve are to prevent hydraulic oil reflux fuel pump outlet, damage oil pump 34, it is ensured that
There is the hydraulic system of hydraulic control device 3 stable oil pressure to work.
The cooling device 5 to cool down for the motor to electric device for valve 2 is additionally provided on workbench 1.It is trying
2 life test of electric device for valve needs to do 10000 times or so long run tests during testing, and electric device for valve 2
Motor be short time duty motor, the phenomenon that long time continuous working motor will produce fever, so on workbench 1
It is additionally provided with the cooling device 5 to cool down for the motor to electric device for valve 2, cooling device 5 is for cooling in time
The motor of electric device for valve 2 ensures that entire life test smoothly completes.
Electric control console 4 includes industrial personal computer, PLC（Programmable controller）And expanding element, the industrial personal computer have liquid
Crystalline substance shows touch screen, the parameter that PLC receives the data of industrial personal computer transmission and torque sensor 7 is fed back, proportional pressure control valve
The 35 expanded unit control of overflow ratio.Upper limit position switch 13, lower position switch 14 and loaded switches 15 respectively with PLC
Electrical connection, is controlled by PLC.
When practical operation, operating personnel require the test parameters of electric device for valve 2 to pass through the liquid crystal on industrial personal computer
Show that input parameter is modified conversion by touch screen input industrial personal computer, industrial personal computer, send PLC to, PLC is by test parameters and torsion
The torque parameter of the electric device for valve 2 of 7 Real-time Feedback of square sensor is compared operation, after being carried out at the same time nonlinear compensation
Send expanding element to, parameter is converted to normalized current and controls proportional pressure control valve 35,35 basis of proportional pressure control valve by expanding element
Input current adjusts the back pressure value in 33 backpressure circuit of oil cylinder, and economy makes the piston 331 of oil cylinder 33 move up and down generation
Resistance changes, and the load torque of the resistance variation control valve electric device 2 of piston 331 makes torque fully according to valve
Torque loads characteristic variations under true operation working condition, the truth i.e. as shown in Fig. 2, electric device for valve 2
Loading procedure, i.e., represented by figure bend part.
It is such as indicated with thrust, i.e., is run, closed with maximum thrust, load characteristic such as Fig. 2 with the maximum thrust of one third
It is shown.2 one open-one close of electric device for valve is that operating is primary.It is 40s often to operate the primary time.10s is opened, 10s is stopped, is closed
10s stops 10s.Operation time characteristic is as shown in Fig. 3.
If 2 torque of electric device for valve is because interference generates fluctuation, torque sensor 7 can make an immediate response, and PLC can be same
Step section proportional pressure control valve 35 makes the hydraulic pressure of backpressure circuit change the test requirements document for meeting torque.The electricity of electric device for valve 2
The cooling control of machine is directly controlled by PLC according to temperature change.So whole control flow such as Fig. 7 institutes of pilot system
Show.
In the hydraulic system of hydraulic control device 3, the oil pressure in 35 control cylinder of proportional pressure control valve, 33 oil outlet pipe
（That is the back pressure of oil cylinder 33）, proportional pressure control valve 35 can be according to the size of test requirements document change overflow port, pipe where completion control
The oil pressure on road；The piston 331 of oil cylinder 33 can make oil during stretching or retraction, through three-position four-way electromagnetic directional valve 32
The oil outlet pipe of cylinder 33 is all held on the oil return pipe at 35 place of proportional pressure control valve.Hydraulic system provides the input of oil cylinder 33
Oil pressure, oil pump 34, the first overflow valve 36,37 each pressure gauge of the second overflow valve form the input terminal of hydraulic system；Proportional pressure control valve
Back pressure in 35 control cylinder, 33 oil outlet pipe realizes that torque proportion adjustment when being loaded to high pressure, pressure sensor are realized real
When monitor high pressure end pressure, complete monitoring back pressure, connection electric control console 4 realizes protection to hydraulic system, their structures
At back pressure output end.
Pilot system can press the data point reuse load of setting automatically, and load characteristic is consistent with the true operation of valve, touches
Screen interface facilitates realization to operate and setting, the real-time tracking adjusting control of 2 output torque of electric device for valve, subjects
Circulating cooling, the automation control process of electric device for valve 2 load and process data recording.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (1)
1. a kind of electric device for valve service life experiment system with torque drive leading screw and triatic stay, including workbench（1）、
Electric device for valve to be measured（2）, for electric device for valve to be measured（2）The hydraulic control device of load torque is provided（3）With
And electric control console（4）, electric control console（4）Respectively with electric device for valve（2）And hydraulic control device（3）With
And workbench（1）Form circuit connection；It is characterized in that：
The hydraulic control device（3）Including fuel tank（31）, three-position four-way electromagnetic directional valve（32）And oil cylinder（33）, three
Four-way electromagnetic reversing valve（32）With first interface, second interface, third interface and the 4th interface, the fuel tank（31）With
One interface pipeline connection, oil pump is provided on the pipeline（34）, oil pump（34）For low voltage component；Oil cylinder（33）Oil inlet and
Oil outlet is respectively through pipeline and second interface and third orifice, and the 4th interface is through oil return pipe and fuel tank（31）Connection, the
Four interfaces and fuel tank（31）Between oil return pipe pipeline on be provided with proportional pressure control valve（35）And pressure sensor；Positioned at first
It is equipped on the pipeline of interface entrance for protecting three-position four-way electromagnetic directional valve（32）First overflow valve of the safety that commutates
（36）, it is located at oil pump（34）The second overflow valve is communicated on the pipeline in exit（37）；First overflow valve（36）For electricity
Magnetic overflow valve, and and electric control console（4）Form circuit connection；It can make 3-position 4-way electromagnetism by the electromagnetic relief valve
Reversal valve（32）When commutation, high pressure caused by backpressure circuit is discharged, the high pressure wink at back pressure end when avoiding commutating
When be loaded into low pressure, input end；Hydraulic system provides oil cylinder（33）Input oil pressure, oil pump（34）, the first overflow valve（36）,
Two overflow valves（37）, each pressure gauge composition hydraulic system input terminal；Proportional pressure control valve（35）Control cylinder (33) oil outlet pipe
On back pressure realize that torque proportion adjustment when load to high pressure, pressure sensor realize real time monitoring high pressure end pressure, completion
Back pressure is monitored, electric control console is connected（4）Realize the protection to hydraulic system, they constitute back pressure output end；
The electric device for valve（2）Mounted on workbench（1）On, electric device for valve（2）Output revolving shaft lower end by turning round
Square turn-screw（8）With oil cylinder（33）Piston（331）Connection, the torque drive leading screw（8）With workbench（1）Form screw thread
Cooperation, torque drive leading screw（8）Upper end through torque sensor（7）Transmission is connect with output revolving shaft；Torque drive leading screw（8）Through
Torque sensor（7）Drive and workbench（1）Helical rotation, which is realized, to move up and down, to drive oil cylinder（33）Piston（331）
It moves up and down；
The electric device for valve（2）In life test, electric device for valve（2）Experience operation phase and load rank successively
Section, in load phase, electric device for valve（2）The torque of offer and there are linear ratio relations between the working time；
The workbench（1）Including platen（11）With the four columns of bottom（12）, electric device for valve to be measured（2）Through nut
Sleeve（6）Mounted on platen（11）On, torque drive leading screw（8）With platen（11）Between form screw-thread fit, torque drive silk
Thick stick（8）Across ut socket（6）And and ut socket（6）Screw-thread fit connects；
The torque drive leading screw（8）Lower end passes through platen（11）With piston（331）Connection, torque drive leading screw（8）Under
End is equipped with for keeping torque drive leading screw（8）The triatic stay of stability（9）, triatic stay（9）With torque drive silk
Thick stick（8）Screw-thread fit, triatic stay（9）Both ends be separately installed with copper sheathing（91）, the copper sheathing at both ends（91）Respectively with both sides
Column（12）Contact, the copper sheathing（91）For semicircular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029109.3A CN106441855B (en) | 2014-03-14 | 2014-03-14 | The pilot system in the electric device for valve service life with torque drive leading screw and triatic stay |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029109.3A CN106441855B (en) | 2014-03-14 | 2014-03-14 | The pilot system in the electric device for valve service life with torque drive leading screw and triatic stay |
| CN201410095101.1A CN103940595B (en) | 2014-03-14 | 2014-03-14 | Service life test bed for valve electric device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410095101.1A Division CN103940595B (en) | 2014-03-14 | 2014-03-14 | Service life test bed for valve electric device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106441855A CN106441855A (en) | 2017-02-22 |
| CN106441855B true CN106441855B (en) | 2018-08-17 |
Family
ID=58221478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029109.3A Expired - Fee Related CN106441855B (en) | 2014-03-14 | 2014-03-14 | The pilot system in the electric device for valve service life with torque drive leading screw and triatic stay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106441855B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840635A (en) * | 2017-02-27 | 2017-06-13 | 广东东箭汽车用品制造有限公司 | A kind of electronic strut test device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7028705B1 (en) * | 2003-01-28 | 2006-04-18 | Barksdale, Inc. | High torque failsafe valve operator |
| CN201208801Y (en) * | 2008-05-19 | 2009-03-18 | 重庆科技学院 | Range control device for hydraulic press |
| CN101722531A (en) * | 2008-10-22 | 2010-06-09 | 韦金权 | Hydraulic circuit of hydraulic gantry movable punching head type blanking machine |
| CN203083811U (en) * | 2012-12-19 | 2013-07-24 | 卓旦春 | Valve service life testing system |
| CN203272289U (en) * | 2013-05-09 | 2013-11-06 | 浙江工商职业技术学院 | Electromagnetic unloading loop device |
| CN103940595A (en) * | 2014-03-14 | 2014-07-23 | 杨卫中 | Service life test bed for valve electric device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101261803B1 (en) * | 2010-12-14 | 2013-05-07 | 한국세라믹기술원 | Lifetime testing apparatus of a ceramic disk for water valve |
-
2014
- 2014-03-14 CN CN201611029109.3A patent/CN106441855B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7028705B1 (en) * | 2003-01-28 | 2006-04-18 | Barksdale, Inc. | High torque failsafe valve operator |
| CN201208801Y (en) * | 2008-05-19 | 2009-03-18 | 重庆科技学院 | Range control device for hydraulic press |
| CN101722531A (en) * | 2008-10-22 | 2010-06-09 | 韦金权 | Hydraulic circuit of hydraulic gantry movable punching head type blanking machine |
| CN203083811U (en) * | 2012-12-19 | 2013-07-24 | 卓旦春 | Valve service life testing system |
| CN203272289U (en) * | 2013-05-09 | 2013-11-06 | 浙江工商职业技术学院 | Electromagnetic unloading loop device |
| CN103940595A (en) * | 2014-03-14 | 2014-07-23 | 杨卫中 | Service life test bed for valve electric device |
Non-Patent Citations (2)
| Title |
|---|
| JBT8862-2000 阀门电动装置寿命试验规程;国家机械工业局;《中华人民共和国机械行业标准》;20001001;全文 * |
| 智能型阀门电动装置寿命试验系统;姜迎新等;《数字技术与应用》;20121231(第10期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106441855A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106768914B (en) | It can prevent hydraulic oil reflux and stablize the pilot system in the electric device for valve service life of oil pressure | |
| CN105092240B (en) | A kind of magnetorheological variable-speed clutch comprehensive performance dynamic test platform and method | |
| CN104569817B (en) | A kind of hydraulic loaded motor performance test experimental system and its experimental method | |
| CN106441855B (en) | The pilot system in the electric device for valve service life with torque drive leading screw and triatic stay | |
| CN103645046B (en) | Performance test of central rotary joint detection method, device | |
| CN109061522A (en) | A kind of system and method for power-supply device self -support | |
| CN108547760B (en) | Frequency follow-up control method for lift pump of water treatment | |
| CN203849009U (en) | A valve electric apparatus usage life test stand | |
| CN2884175Y (en) | Electric cylinder testing platform | |
| CN103629190B (en) | A kind of equilibrium valve does not mate the measuring method and device that cause load jitter | |
| CN112332820B (en) | Test power supply discharging resistance control circuit and control method thereof | |
| CN104236916A (en) | Load test system of generator for engine | |
| CN109854493B (en) | Hydraulic-fuel oil double-loop multifunctional testing equipment | |
| CN102864810A (en) | Hydraulic energy-saving device of engineering plant, control method and excavator | |
| CN203571172U (en) | Multifunctional intelligent electrically-operated valve positioning controller | |
| CN205175687U (en) | Conveyer belt fatigue test device | |
| CN115076440A (en) | Method, processor and device for calibrating current of proportional solenoid valve | |
| CN213540877U (en) | EB stove hydraulic system voltage regulator device | |
| CN204436925U (en) | Prestressing force intelligent tensioning electro-hydraulic servo equipment | |
| CN107387494A (en) | A kind of aggregative model hydraulic test bench | |
| CN203907236U (en) | Control system with high reliability for oil source | |
| CN203720643U (en) | Detection test system of frame car computer control module | |
| CN107401535B (en) | Hydraulic motor test bed | |
| CN207183169U (en) | A kind of new molded breadth power low power-consumption intelligent switch controller | |
| CN107794968A (en) | A kind of hydraulic excavator energy-conservation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |