CN103940595A - Service life test bed for valve electric device - Google Patents
Service life test bed for valve electric device Download PDFInfo
- Publication number
- CN103940595A CN103940595A CN201410095101.1A CN201410095101A CN103940595A CN 103940595 A CN103940595 A CN 103940595A CN 201410095101 A CN201410095101 A CN 201410095101A CN 103940595 A CN103940595 A CN 103940595A
- Authority
- CN
- China
- Prior art keywords
- valve
- electric device
- leading screw
- drive leading
- torque drive
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 58
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 28
- 239000002828 fuel tank Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 239000003921 oil Substances 0.000 description 44
- 238000010586 diagram Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a service life test bed for a valve electric device. The service life test bed comprises a work table, the valve electric device to be tested, a hydraulic control device used for providing loading torque for the valve electric device to be tested, and an electric control operation platform. The electric control operation platform is in circuit connection with the valve electric device, the hydraulic control device and the work table. When the valve electric device to be tested bears the torque applied by a piston and is tested, a linear proportion relation exists between the torque output by the valve electric device and the work time. Through the loading torque provided for the valve electric device by the hydraulic control device, more real valve operation states can be simulated for the valve electric device, the efficiency of testing the valve electric device is improved, the testing process becomes simpler, the testing parameters are dynamically displayed, the accuracy can be guaranteed, and the automation degree is improved.
Description
Technical field
The present invention relates to a kind of electric device for valve life test rack.
Background technology
Electric device for valve is to realize the indispensable driving arrangement of valve stroking, automatic control and remote control, common valve electric device manufacturing enterprise use the general efficiency of durability test detection method low, test process is complicated, test parameter can not dynamically present, precision can not ensure, and need personnel day and night on duty.
Press the true service requirement of valve, load characteristic as shown in Figure 1, when electric device for valve durability test, to move moment of torsion running, is closed (in figure mono-, vertical line part is represented) with maximum control torque.By-pass valve control test can not be simulated the real working condition of valve exactly like this.
Originally the electric device for valve life test rack of general enterprises is to use the load of disk spring simulation valve, and durability test process exists many shortcomings, can not meet testing regulations requirement.
Electrical control adopts contactor, Control discrete component and simple disk spring control device; can not carry out real-time data acquisition, analysis and the communication of electric device for valve test; moment of torsion is indirect measurement; determine the form of peak torque by force moment protection on electric device for valve; cannot read the real-time moment of torsion in operational process; so needed the debugging trimming process of growing very much before each on-test, reduce the accuracy of electric device for valve durability test, be difficult to meet user's requirement.
Durability test will be done left and right 10000 times, in order to shorten test period, generally take electric device for valve continuous working, can cause that for the electric device for valve motor of short time duty heating increases like this, ordinary test platform does not have circulating cooling system, durability test can only adopt manually cooling, and labour intensity is very large, easily produces security incident.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of electric device for valve life test rack is provided, makes to adjust electric device for valve in ten thousand durability tests, the load characteristic of electric device for valve can meet the true running status requirement of valve completely.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electric device for valve life test rack, comprise worktable, electric device for valve to be measured, for the hydraulic control device and the electric control console that load moment of torsion are provided to electric device for valve to be measured, electric control console forms circuit with electric device for valve and hydraulic control device and worktable respectively and is connected;
Described hydraulic control device comprises fuel tank, 3-position 4-way solenoid directional control valve and oil cylinder, 3-position 4-way solenoid directional control valve has first interface, the second interface, the 3rd interface and the 4th interface, described fuel tank and first interface pipeline connection, on this pipeline, be provided with oil pump, the oil-in of oil cylinder and oil-out are communicated with the second interface and the 3rd interface through pipeline respectively, the 4th interface is communicated with fuel tank through scavenge pipe, on the pipeline of the scavenge pipe between the 4th interface and fuel tank, is provided with proportional pressure control valve and pressure transducer;
Described electric device for valve is arranged on worktable, the output revolving shaft lower end of electric device for valve is connected with the piston of oil cylinder with torque drive leading screw through torque sensor, described torque drive leading screw and worktable form threaded engagement, and the upper end of torque drive leading screw is connected with output revolving shaft through torque sensor; Torque drive leading screw is realized and being moved up and down with the nut helical rotation on worktable through torque sensor drive, thereby drives the piston up-down of oil cylinder;
Described electric device for valve is in the time of durability test, and electric device for valve experiences operation phase and load phase successively, in load phase, and the moment of torsion that electric device for valve provides and have linear ratio relation between the working time.
Further, described worktable comprises four root posts of platen and bottom, electric device for valve to be measured is arranged on platen through ut socket, between torque drive leading screw and platen, forms threaded engagement, and torque drive leading screw passes ut socket and is connected with ut socket threaded engagement.
Further, described torque drive leading screw lower end is connected with piston through platen, the bottom of torque drive leading screw is provided with the triatic stay for keeping torque drive leading screw stability, triatic stay coordinates with torque drive threads of lead screw, the two ends of triatic stay are separately installed with copper sheathing, the copper sheathing at two ends contacts with the column of both sides respectively, and described copper sheathing is semicircular structure.
Further, on described column, be provided with upper limit position switch, lower position switch and loaded switches, loaded switches is between upper limit position switch and lower position switch, and upper limit position switch, lower position switch and loaded switches form circuit with electric control console respectively and be connected;
In the time of copper sheathing and upper limit position switch touching, torque drive leading screw stops up; In the time of copper sheathing and loaded switches touching, torque drive leading screw load operating; In the time of copper sheathing and lower position switch touching, torque drive leading screw stops descending;
Electric device for valve is in the time of the operation phase, and described copper sheathing is between upper limit position switch and loaded switches; Electric device for valve is in the time of load phase, and described copper sheathing is between loaded switches and lower position switch.
Further, be positioned on the pipeline of first interface inflow point the first surplus valve for the protection of 3-position 4-way solenoid directional control valve commutation safety is installed, the first described surplus valve is electromagnetic relief valve, and forms circuit with electric control console and be connected.
Further, be positioned on the pipeline in oil pump exit and be communicated with the second surplus valve.
Further, be positioned on the pipeline of oil cylinder oil inlet mouth and oil-out and be respectively arranged with one-way throttle valve.
Further, on the pipeline between described fuel tank and 3-position 4-way solenoid directional control valve, filtrator and retaining valve are also installed, filtrator is arranged on the pipeline between oil pump and fuel tank.
Further, described electric control console comprises industrial computer, PLC and expanding element, this industrial computer has liquid crystal display touch screen, PLC accepts the data of industrial computer transmission and the parameter that torque sensor feeds back, and the proportional overflow output of described proportional pressure control valve regulates the expanding element control via PLC.
Further, on described worktable, be also provided with the cooling device for the motor of electric device for valve is lowered the temperature.
The invention has the beneficial effects as follows: provide load torque by hydraulic control device for electric device for valve, can simulate more real valve running status for electric device for valve, improve the efficiency of electric device for valve test, make test process become simpler, and test parameter is dynamic demonstration, accuracy also can be guaranteed, and automaticity is improved.
Adopt EVC touch panel computer and PLC, replace contactor, relay control system, sensor and measuring instrument are carried out to real-time data acquisition, set up friendly man-machine interface simultaneously, make whole pilot system operation move simple, intuitive more, and can control parameter with monitoring by real time modifying, and record and output.
Increase circulating water cooling device, the motor of coolant valve electric device, ensures that whole durability test completes smoothly in time.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the load characteristic of testing table before transformation;
Fig. 2 is the load characteristic that nominal moment of torsion is less than 1200N.M electric device for valve;
Fig. 3 be valve open to close to the schematic diagram of standard testing time;
Fig. 4 is the hydraulic principle figure in hydraulic control device;
Fig. 5 is the schematic diagram of testing table of the present invention;
Fig. 6 is the syndeton schematic diagram between torque drive leading screw and ut socket, worktable;
Fig. 7 is testing table control structure block diagram.
In figure 1, worktable, 2, electric device for valve, 21, output revolving shaft, 3, hydraulic control device, 4, electric control console, 5, cooling device, 6, ut socket, 7, torque sensor, 8, torque drive leading screw, 9, triatic stay, 91, slide block; 31, fuel tank, 32,3-position 4-way solenoid directional control valve, 33, oil cylinder, 34, oil pump, 35, proportional pressure control valve, 36, the first surplus valve, 37, the second surplus valve, 38, one-way throttle valve, 39, filtrator, 331, piston, 11, platen, 12, column, 13, upper limit position switch, 14, lower position switch, 15, loaded switches.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Fig. 4 Fig. 5 Fig. 6, a kind of electric device for valve life test rack, comprise worktable 1, electric device for valve to be measured 2, for the hydraulic control device 3 and the electric control console 4 that load moment of torsion are provided to electric device for valve 2 to be measured, electric control console 4 forms circuit with electric device for valve 2 and hydraulic control device 3 and worktable 1 respectively and is connected.
Hydraulic control device 3 comprises fuel tank 31, three position four-way directional control valve 32 and oil cylinder 33,3-position 4-way solenoid directional control valve 32 has first interface, the second interface, the 3rd interface and the 4th interface, fuel tank 31 and first interface pipeline connection, on this pipeline, be provided with oil pump 34, the oil-in of oil cylinder 33 and oil-out are communicated with the second interface and the 3rd interface through pipeline respectively, the 4th interface is communicated with fuel tank 31 through scavenge pipe, on the pipeline of the scavenge pipe between the 4th interface and fuel tank 31, is provided with proportional pressure control valve 35 and pressure transducer.
Electric device for valve 2 is arranged on worktable 1, output revolving shaft 21 lower ends of electric device for valve 2 are connected with the piston 331 of oil cylinder 33 through torque drive leading screw 8, torque drive leading screw 8 forms threaded engagement with worktable 1, and the upper end of torque drive leading screw 8 is through torque sensor 7 and output revolving shaft 21 connection for transmissions; Torque drive leading screw 8 drives with worktable 1 helical rotation and realizes and moving up and down through torque sensor 7, thereby drives the piston 331 of oil cylinder 33 to move up and down; The moment of torsion that electric device for valve 2 electric device for valve 2 to be measured provide is consistent with the torque characteristics under valve real work state.
Electric device for valve 2 is in the time bearing piston catch bar 331 and load moment of torsion and test, and electric device for valve 2 experiences operation phase and load phase successively, in load phase, and the moment of torsion that electric device for valve 2 provides and have linear ratio relation between the working time.
Worktable 1 comprises four root posts 12 of platen 11 and bottom, electric device for valve 2 to be measured is arranged on platen 11 through ut socket 6, between torque drive leading screw 8 and platen 11, form threaded engagement, torque drive leading screw 8 passes ut socket 6 and is connected with ut socket 6 threaded engagement; Syndeton between torque drive leading screw 8 and ut socket 6 is, in ut socket 6, axle sleeve is installed, between axle sleeve and ut socket 6, form and be rotatably assorted by ball bearing, torque drive leading screw 8 passes axle sleeve and is to form threaded engagement with the inner ring of axle sleeve, can be by stable electric device for valve 2 being fixed on platen 11 owing to there being the existence one of ut socket 6, the 2nd, can effectively keep the stability of torque drive leading screw 8, avoid torque drive leading screw 8 in pulling piston catch bar 331 up, to occur the phenomenon of double swerve.
Torque drive leading screw 8 lower ends are connected with piston 331 through platen 11, the bottom of torque drive leading screw 8 is provided with the triatic stay 9 for keeping torque drive leading screw 8 stability, triatic stay 9 coordinates with torque drive leading screw 8 spirals, the two ends of triatic stay 9 are separately installed with copper sheathing 91, copper sheathing 91 is semicircular structure, and the copper sheathing 91 at two ends contacts with the column 12 of both sides respectively.Copper sheathing 91 is that semicircular structure is mainly for fear of the phenomenon that occurs jam between copper sheathing and column.
The existence of triatic stay 9 is also the stability in order to keep torque drive leading screw 8, avoids the lower end of torque drive leading screw 8 in pulling piston 331 up, to occur the phenomenon of double swerve.
On column 12, be provided with upper limit position switch 13, lower position switch 14 and loaded switches 15, loaded switches 15 is between upper limit position switch 13 and lower position switch 14, and upper limit position switch 13, lower position switch 14 form circuit with electric control console 4 respectively with loaded switches 15 and be connected.
In the time that copper sheathing 91 and upper limit position switch 13 are touched, torque drive leading screw 8 stops up; In the time that copper sheathing 91 and loaded switches 15 are touched, torque drive leading screw 8 load operatings; In the time that copper sheathing 91 and lower position switch 14 are touched, torque drive leading screw 8 stops descending.
When electric device for valve 2 is during in the operation phase, copper sheathing 91 is between upper limit position switch 13 and loaded switches 15, and electric device for valve 2 is in the time of load phase, and copper sheathing 91 is between loaded switches 15 and lower position switch 14.In the time that copper sheathing 91 contacts with loaded switches 15, the work of PLC control ratio surplus valve, thereby piston provides loading moment of torsion to torque drive leading screw 8, the output revolving shaft 21 of electric device for valve 2 now starts load running, and in the time that copper sheathing 91 contacts with loaded switches, torque drive leading screw 8 stops descending.
Be positioned at that on the pipeline of first interface inflow point, to be provided with for the protection of the first surplus valve 36, the first surplus valves 36 of 3-position 4-way solenoid directional control valve 32 commutation safety be electromagnetic relief valve, and form circuit with electric control console 4 and be connected.Can make 3-position 4-way solenoid directional control valve 32 in commutation by this electromagnetic relief valve; the high pressure that backpressure circuit is produced discharges; the instantaneous low pressure input end that is loaded into of the high pressure of back pressure end while avoiding commutating; impact and affect the normal use of the low-voltage components such as input circuit oil pump; guarantee the serviceable life of hydraulic pressure input end, the first surplus valve 36 is born 3-position 4-way solenoid directional control valve 32 intelligent protection commutation function.
Be positioned on the pipeline in oil pump 34 exits and be communicated with the second surplus valve 37.On the in-line of the second surplus valve 37, be provided with tensimeter, can control the oil pressure of input from oil pump 34 through the second surplus valve 37, stablize the oil pressure of the oil cylinder 33 while entering first interface, avoid unsettled oil pressure to produce shock effects to 3-position 4-way solenoid directional control valve 32 components and parts such as grade.
On the pipeline of oil cylinder 33 oil-ins and oil-out, be respectively arranged with one-way throttle valve 38.Can guarantee the normal work of oil cylinder 33 through two one-way throttle valves 38, make the piston 331 of oil cylinder 33 there is stable oil pressure control when flexible, while avoiding oil cylinder piston 331 flexible, shake occurs and tilt.On the pipeline between fuel tank 31 and 3-position 4-way solenoid directional control valve 32, filtrator 39 and retaining valve are also installed, filtrator 39 is arranged on the pipeline between oil pump 34 and fuel tank 31, keep the clean of oil cylinder 33 hydraulic oil, the Main Function of retaining valve is to prevent hydraulic oil withdrawing oil pump discharge, damage oil pump 34, the hydraulic system of guaranteeing hydraulic control device 3 has stable oil pressure and carries out work.
On worktable 1, be also provided with the cooling device 5 for the motor of electric device for valve 2 is lowered the temperature.In the process of test, electric device for valve 2 durability tests need to be done the long run test of 10000 left and right, and the motor of electric device for valve 2 is motors of short time duty, long time continuous working motor can produce the phenomenon of heating, so be also provided with the cooling device 5 for the motor of electric device for valve 2 is lowered the temperature on worktable 1, cooling device 5, for the motor of timely coolant valve electric device 2, ensures that whole durability test completes smoothly.
Electric control console 4 comprises industrial computer, PLC(Programmable Logic Controller) and expanding element, this industrial computer has liquid crystal display touch screen, PLC accepts the data of industrial computer transmission and the parameter that torque sensor 7 feeds back, and the overflow ratio of proportional pressure control valve 35 is through expanding element control.Upper limit position switch 13, lower position switch 14 and loaded switches 15 are electrically connected with PLC respectively, controlled by PLC.
When practical operation, operating personnel require the test parameters of electric device for valve 2 by the liquid crystal display touch screen input industrial computer on industrial computer, input parameter is revised conversion by industrial computer, send PLC to, the torque parameter of the electric device for valve 2 of test parameters and torque sensor 7 Real-time Feedbacks is compared computing by PLC, carry out sending expanding element to after nonlinear compensation simultaneously, parameter is changed into normalized current control ratio surplus valve 35 by expanding element, proportional pressure control valve 35 regulates the back pressure value in oil cylinder 33 backpressure circuit according to input current, economy makes the piston 331 of oil cylinder 33 move up and down generation change in resistance, the loading moment of torsion of the change in resistance control valve electric device 2 of piston 331, make moment of torsion completely according to the torque loads characteristic variations under the true operation duty of valve, this truth as shown in Figure 2, the loading procedure of electric device for valve 2, figure bend part is represented.
As represented with thrust, move with 1/3rd maximum thrust, to close with maximum thrust, load characteristic is as shown in Figure 2.Electric device for valve 2 one open-one closes are for turning round once.Every running time is once 40s.Open 10s, stop 10s, close 10s, stop 10s.Operation time characteristic as shown in Figure 3.
If electric device for valve 2 moments of torsion produce fluctuation because disturbing, torque sensor 7 can make an immediate response, and PLC meeting adjusted in concert proportional pressure control valve 35, makes the hydraulic pressure of backpressure circuit change the testing requirements that meets moment of torsion.The cooling control of the motor of electric device for valve 2 is directly controlled according to temperature variation by PLC.So the overall control flow of testing table as shown in Figure 7.
In the hydraulic system of hydraulic control device 3, proportional pressure control valve 35 is controlled the oil pressure (being the back pressure of oil cylinder 33) on the fuel-displaced pipeline of oil cylinder 33, and proportional pressure control valve 35 can change according to testing requirements the size of overflow vent, completes the oil pressure of controlling place pipeline; The piston 331 of oil cylinder 33 is in the process of stretching out or retract, and can make the fuel-displaced pipeline of oil cylinder 33 through 3-position 4-way solenoid directional control valve 32 is all to remain on the scavenge pipe at proportional pressure control valve 35 places.Hydraulic system provides the input oil pressure of oil cylinder 33, the input end of oil pump 34, the first surplus valve 36, the each tensimeter composition of the second surplus valve 37 hydraulic system; The moment of torsion ratio that the back pressure on the fuel-displaced pipeline of oil cylinder 33 of controlling proportional pressure control valve 35 realizes when high pressure is loaded regulates; pressure transducer is realized monitoring high-pressure side pressure in real time; complete monitoring back pressure, connect electric control console 4 and realize the protection to hydraulic system, they form back pressure output terminal.
Testing table can be adjusted load by the data that arrange automatically, load characteristic conforms to the true operation of valve, touch screen interface is convenient to be realized operation and arranges, and the real-time follow-up of electric device for valve 2 output torques regulates control, the circulating cooling of subjects, electric device for valve 2 to load and the robotization control procedure of process data recording.
Taking above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to claim scope.
Claims (10)
1. an electric device for valve life test rack, it is characterized in that, comprise worktable (1), electric device for valve to be measured (2), for the hydraulic control device (3) and the electric control console (4) that load moment of torsion are provided to electric device for valve to be measured (2), electric control console (4) is connected with electric device for valve (2) and hydraulic control device (3) and worktable (1) formation circuit respectively;
Described hydraulic control device (3) comprises fuel tank (31), 3-position 4-way solenoid directional control valve (32) and oil cylinder (33), 3-position 4-way solenoid directional control valve (32) has first interface, the second interface, the 3rd interface and the 4th interface, described fuel tank (31) and first interface pipeline connection, on this pipeline, be provided with oil pump (34), the oil-in of oil cylinder (33) and oil-out are communicated with the second interface and the 3rd interface through pipeline respectively, the 4th interface is communicated with fuel tank (31) through scavenge pipe, on the pipeline of the scavenge pipe between the 4th interface and fuel tank (31), be provided with proportional pressure control valve (35) and pressure transducer,
Described electric device for valve (2) is arranged on worktable (1), output revolving shaft (21) lower end of electric device for valve (2) is connected with the piston (331) of oil cylinder (33) through torque drive leading screw (8), described torque drive leading screw (8) forms threaded engagement with worktable (1), and the upper end of torque drive leading screw (8) is through torque sensor (7) and output revolving shaft (21) connection for transmission; Torque drive leading screw (8) drives with worktable (1) helical rotation and realizes and moving up and down through torque sensor (7), thereby drives the piston (331) of oil cylinder (33) to move up and down;
Described electric device for valve (2) is in the time of durability test, and electric device for valve (2) experiences operation phase and load phase successively, in load phase, and the moment of torsion that electric device for valve (2) provides and have linear ratio relation between the working time.
2. a kind of electric device for valve life test rack according to claim 1, it is characterized in that, described worktable (1) comprises four root posts (12) of platen (11) and bottom, electric device for valve to be measured (2) is arranged on platen (11) through ut socket (6), between torque drive leading screw (8) and platen (11), form threaded engagement, torque drive leading screw (8) passes ut socket (6) and is connected with ut socket (6) threaded engagement.
3. a kind of electric device for valve life test rack according to claim 2, it is characterized in that, described torque drive leading screw (8) lower end is connected with piston (331) through platen (11), the bottom of torque drive leading screw (8) is provided with the triatic stay (9) for keeping torque drive leading screw (8) stability, triatic stay (9) and torque drive leading screw (8) threaded engagement, the two ends of triatic stay (9) are separately installed with copper sheathing (91), the copper sheathing (91) at two ends contacts with the column (12) of both sides respectively, described copper sheathing (91) is semicircular structure.
4. a kind of electric device for valve life test rack according to claim 3, it is characterized in that, on described column (12), be provided with upper limit position switch (13), lower position switch (14) and loaded switches (15), loaded switches (15) is positioned between upper limit position switch (13) and lower position switch (14), and upper limit position switch (13), lower position switch (14) and loaded switches (15) form circuit with electric control console (4) respectively and be connected;
In the time that copper sheathing (91) is touched with upper limit position switch (13), torque drive leading screw (8) stops up; In the time that copper sheathing (91) is touched with loaded switches (15), torque drive leading screw (8) load operating; In the time that copper sheathing (91) is touched with lower position switch (14), torque drive leading screw (8) stops descending;
Electric device for valve (2) is in the time of the operation phase, and described copper sheathing (91) is positioned between upper limit position switch (13) and loaded switches (15); Electric device for valve (2) is in the time of load phase, and described copper sheathing (91) is positioned between loaded switches (15) and lower position switch (14).
5. a kind of electric device for valve life test rack according to claim 1; it is characterized in that; be positioned at the first surplus valve (36) for the protection of 3-position 4-way solenoid directional control valve (32) commutation safety is installed on the pipeline of first interface inflow point; described the first surplus valve (36) is electromagnetic relief valve, and is connected with electric control console (4) formation circuit.
6. a kind of electric device for valve life test rack according to claim 1, is characterized in that, is positioned on the pipeline in oil pump (34) exit and is communicated with the second surplus valve (37).
7. a kind of electric device for valve life test rack according to claim 1, is characterized in that, is positioned on the pipeline of oil cylinder (33) oil-in and oil-out and is respectively arranged with one-way throttle valve (38).
8. a kind of electric device for valve life test rack according to claim 1, it is characterized in that, on pipeline between described fuel tank (31) and 3-position 4-way solenoid directional control valve (32), filtrator (39) and retaining valve are also installed, filtrator (39) is arranged on the pipeline between oil pump (34) and fuel tank (31).
9. a kind of electric device for valve life test rack according to claim 1, it is characterized in that, described electric control console (4) comprises industrial computer, PLC and expanding element, this industrial computer has liquid crystal display touch screen, PLC accepts the data of industrial computer transmission and the parameter that torque sensor (7) feeds back, and the proportional overflow output of described proportional pressure control valve regulates the expanding element control via PLC.
10. a kind of electric device for valve life test rack according to claim 1, is characterized in that, is also provided with the cooling device (5) for the motor of electric device for valve is lowered the temperature on described worktable (1).
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023110.5A CN106644427A (en) | 2014-03-14 | 2014-03-14 | Automation control electric valve actuator life test system capable of non-linear compensation |
| CN201410095101.1A CN103940595B (en) | 2014-03-14 | 2014-03-14 | Service life test bed for valve electric device |
| CN201611023097.3A CN106707052A (en) | 2014-03-14 | 2014-03-14 | Electric valve apparatus service life test system capable of carrying out automatic circulation cooling |
| CN201611029134.1A CN106568593B (en) | 2014-03-14 | 2014-03-14 | With loading and the electric device for valve service life experiment system for protection of transfiniting |
| 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 |
| CN201611029051.2A CN106768914B (en) | 2014-03-14 | 2014-03-14 | It can prevent hydraulic oil reflux and stablize the pilot system in the electric device for valve service life of oil pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410095101.1A CN103940595B (en) | 2014-03-14 | 2014-03-14 | Service life test bed for valve electric device |
Related Child Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029134.1A Division CN106568593B (en) | 2014-03-14 | 2014-03-14 | With loading and the electric device for valve service life experiment system for protection of transfiniting |
| CN201611029109.3A Division 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 |
| CN201611023097.3A Division CN106707052A (en) | 2014-03-14 | 2014-03-14 | Electric valve apparatus service life test system capable of carrying out automatic circulation cooling |
| CN201611029051.2A Division CN106768914B (en) | 2014-03-14 | 2014-03-14 | It can prevent hydraulic oil reflux and stablize the pilot system in the electric device for valve service life of oil pressure |
| CN201611023110.5A Division CN106644427A (en) | 2014-03-14 | 2014-03-14 | Automation control electric valve actuator life test system capable of non-linear compensation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103940595A true CN103940595A (en) | 2014-07-23 |
| CN103940595B CN103940595B (en) | 2017-01-11 |
Family
ID=51188359
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029134.1A Expired - Fee Related CN106568593B (en) | 2014-03-14 | 2014-03-14 | With loading and the electric device for valve service life experiment system for protection of transfiniting |
| CN201410095101.1A Expired - Fee Related CN103940595B (en) | 2014-03-14 | 2014-03-14 | Service life test bed for valve electric device |
| CN201611029051.2A Expired - Fee Related CN106768914B (en) | 2014-03-14 | 2014-03-14 | It can prevent hydraulic oil reflux and stablize the pilot system in the electric device for valve service life of oil pressure |
| CN201611023110.5A Pending CN106644427A (en) | 2014-03-14 | 2014-03-14 | Automation control electric valve actuator life test system capable of non-linear compensation |
| CN201611023097.3A Pending CN106707052A (en) | 2014-03-14 | 2014-03-14 | Electric valve apparatus service life test system capable of carrying out automatic circulation cooling |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029134.1A Expired - Fee Related CN106568593B (en) | 2014-03-14 | 2014-03-14 | With loading and the electric device for valve service life experiment system for protection of transfiniting |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029051.2A Expired - Fee Related CN106768914B (en) | 2014-03-14 | 2014-03-14 | It can prevent hydraulic oil reflux and stablize the pilot system in the electric device for valve service life of oil pressure |
| CN201611023110.5A Pending CN106644427A (en) | 2014-03-14 | 2014-03-14 | Automation control electric valve actuator life test system capable of non-linear compensation |
| CN201611023097.3A Pending CN106707052A (en) | 2014-03-14 | 2014-03-14 | Electric valve apparatus service life test system capable of carrying out automatic circulation cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN106568593B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424349A (en) * | 2015-12-16 | 2016-03-23 | 常州电站辅机总厂有限公司 | Device for testing service life of multi-turn valve electric device |
| CN105910809A (en) * | 2016-06-02 | 2016-08-31 | 苏州协捷精密机械有限公司 | Fuel tank safety valve performance test machine |
| CN106441855A (en) * | 2014-03-14 | 2017-02-22 | 杨卫中 | Testing system for valve electric device life with torque transmission screw rod and horizontal support rod |
| CN106840645A (en) * | 2017-04-11 | 2017-06-13 | 兰州理工大学温州泵阀工程研究院 | A kind of valve static pressure service life experiment system |
| CN107553123A (en) * | 2017-10-10 | 2018-01-09 | 浙江旋东阀门有限公司 | Intelligent Universal drive machine |
| 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 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519426A (en) * | 2018-11-28 | 2019-03-26 | 江苏沛源泵业制造有限公司 | One kind being used for the grease proofing loop apparatus of hydraulic cylinder |
| CN110450099B (en) * | 2019-09-16 | 2024-09-10 | 三一重机有限公司 | Shaft sleeve pressing system and sleeve pressing machine |
| CN112935060A (en) * | 2021-01-25 | 2021-06-11 | 广东思豪内高压科技有限公司 | Internal high-pressure forming device for stainless steel pipe fitting and control system thereof |
| 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 |
| CN113107459B (en) * | 2021-03-29 | 2022-02-15 | 西安石油大学 | An integrated device and experimental method for filling and unloading sand pipe model for oil displacement |
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 |
| KR20120066292A (en) * | 2010-12-14 | 2012-06-22 | 한국세라믹기술원 | Lifetime testing apparatus of a ceramic disk for water valve |
| 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 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100832345B1 (en) * | 2006-02-24 | 2008-05-26 | 재단법인 한국기기유화시험연구원 | Leak rate and life cycles test system of pneumatic angle valve for vacuum |
| CN201069423Y (en) * | 2007-07-10 | 2008-06-04 | 上海新三思计量仪器制造有限公司 | Limiting mechanism of hydraulic material testing machine |
| CN101221093B (en) * | 2007-12-28 | 2010-08-25 | 天津百利二通机械有限公司 | Self-loading test mechanism of multi-slewing valve electrical device |
| CN102001168B (en) * | 2010-09-08 | 2012-12-05 | 宁波伊士通技术股份有限公司 | Novel hydraulic servo pressure-relief mode control system |
| CN201837691U (en) * | 2010-09-26 | 2011-05-18 | 黄山市天翔阀门有限公司 | Life testing machine for multi-turn valve electric actuator |
| CN102607752A (en) * | 2011-01-21 | 2012-07-25 | 黄山良业阀门有限公司 | Device for continuously testing opening and closing torques of valve pneumatic device and test method |
| CN202383219U (en) * | 2011-12-27 | 2012-08-15 | 天津二通驱动设备制造有限公司 | Service life test bench of multi-turn valve electric device |
| CN102493974B (en) * | 2011-12-28 | 2014-11-05 | 中国人民解放军65185部队 | Hydraulic oil circuit suitable for tests of multiple kinds of hydraulic components |
| CN103343761B (en) * | 2013-07-19 | 2015-09-02 | 南京工业大学 | Hydraulic loading device |
-
2014
- 2014-03-14 CN CN201611029134.1A patent/CN106568593B/en not_active Expired - Fee Related
- 2014-03-14 CN CN201410095101.1A patent/CN103940595B/en not_active Expired - Fee Related
- 2014-03-14 CN CN201611029051.2A patent/CN106768914B/en not_active Expired - Fee Related
- 2014-03-14 CN CN201611023110.5A patent/CN106644427A/en active Pending
- 2014-03-14 CN CN201611023097.3A patent/CN106707052A/en active Pending
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 |
| KR20120066292A (en) * | 2010-12-14 | 2012-06-22 | 한국세라믹기술원 | Lifetime testing apparatus of a ceramic disk for water valve |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 国家机械工业局: "JBT8862-2000阀门电动装置寿命试验规程", 《中华人民共和国机械行业标准》, 1 October 2000 (2000-10-01), pages 1 - 4 * |
| 姜迎新 等: "智能型阀门电动装置寿命试验系统", 《数字技术与应用》, no. 10, 31 December 2012 (2012-12-31), pages 11 - 14 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441855A (en) * | 2014-03-14 | 2017-02-22 | 杨卫中 | Testing system for valve electric device life with torque transmission screw rod and horizontal support rod |
| CN106441855B (en) * | 2014-03-14 | 2018-08-17 | 杨卫中 | The pilot system in the electric device for valve service life with torque drive leading screw and triatic stay |
| CN105424349A (en) * | 2015-12-16 | 2016-03-23 | 常州电站辅机总厂有限公司 | Device for testing service life of multi-turn valve electric device |
| CN105910809A (en) * | 2016-06-02 | 2016-08-31 | 苏州协捷精密机械有限公司 | Fuel tank safety valve performance test machine |
| CN105910809B (en) * | 2016-06-02 | 2018-06-22 | 昆山迈思特自动化科技有限公司 | A kind of safety valve of oil tank performance test machine |
| CN106840645A (en) * | 2017-04-11 | 2017-06-13 | 兰州理工大学温州泵阀工程研究院 | A kind of valve static pressure service life experiment system |
| CN106840645B (en) * | 2017-04-11 | 2023-06-02 | 兰州理工大学温州泵阀工程研究院 | Static pressure life test system for valve |
| CN107553123A (en) * | 2017-10-10 | 2018-01-09 | 浙江旋东阀门有限公司 | Intelligent Universal drive machine |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106707052A (en) | 2017-05-24 |
| CN106568593B (en) | 2019-03-01 |
| CN103940595B (en) | 2017-01-11 |
| CN106768914A (en) | 2017-05-31 |
| CN106644427A (en) | 2017-05-10 |
| CN106768914B (en) | 2019-07-26 |
| CN106568593A (en) | 2017-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103940595A (en) | Service life test bed for valve electric device | |
| CN112213958B (en) | A comprehensive simulation test platform for electro-hydraulic control | |
| CN101451560B (en) | Intelligent driving method of hydrocylinder precise stroke and outside driving unit thereof | |
| CN104897382B (en) | A kind of area of computer aided fuel valve automatic checkout system | |
| CN205404094U (en) | Novel fatigue test platform is twistd reverse to constant speed drive shaft | |
| CN103352900A (en) | Heavy-duty mining dump vehicle hydraulic oil cylinder/hydraulic valve test table | |
| CN106053071B (en) | A kind of aero-engine high-speed bearing high/low temperature lubrication test device and control method | |
| CN101865181B (en) | Automatic diagnostic system of hydraulic system applied to stage driving | |
| CN203849009U (en) | A valve electric apparatus usage life test stand | |
| CN109854493B (en) | Hydraulic-fuel oil double-loop multifunctional testing equipment | |
| CN205843960U (en) | A kind of aero-engine high-speed bearing high/low temperature lubrication test device | |
| CN108119432A (en) | A kind of control system of hydraulic cylinder multi-function test stand | |
| CN2884175Y (en) | Electric cylinder testing platform | |
| CN202645971U (en) | Analog test bed for air compressor | |
| CN102562564B (en) | Hardware System of High Pressure Pump Performance Test Bench Using PXI Bus Technology | |
| CN106441855B (en) | The pilot system in the electric device for valve service life with torque drive leading screw and triatic stay | |
| CN101566530A (en) | Test system for electro-hydraulic proportional valve of variable nozzle ring cross-sectional turbocharger | |
| CN203163982U (en) | Integrated testing bench of valve for hydraulic support for coal mine | |
| CN102607843B (en) | Improved hydraulic oil circuit structure for marine gearbox test bench and operating method for improved hydraulic oil circuit structure | |
| CN103969041A (en) | Opening-closing reliability test device for sea valve | |
| CN109612750A (en) | A kind of worm and gear lifting apparatus test device and its control method | |
| CN205280391U (en) | Auto -lock swing hydraulic press performance testing platform | |
| CN203907236U (en) | Control system with high reliability for oil source | |
| CN205483529U (en) | A hydraulic pressure loader that is used for novel constant speed drive shaft to twist reverse fatigue test platform | |
| CN206002303U (en) | A kind of decelerator transmission efficiency test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 213022 Jiangsu Province, Changzhou City New District Hehai Village building 11 unit 202 Room C Applicant after: Yang Weizhong Address before: 213003, room 507, unit B (Building No. 35), bell building, bell tower, bell tower, Changzhou, Jiangsu Applicant before: Yang Weizhong |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 |