CN104807700A - Stress corrosion testing machine - Google Patents
Stress corrosion testing machine Download PDFInfo
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- CN104807700A CN104807700A CN201410412137.8A CN201410412137A CN104807700A CN 104807700 A CN104807700 A CN 104807700A CN 201410412137 A CN201410412137 A CN 201410412137A CN 104807700 A CN104807700 A CN 104807700A
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- stress corrosion
- cracking
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- solution tank
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Abstract
The invention discloses a stress corrosion testing machine which comprises a machine shell. The top of the machine shell is provided with a ventilation opening. An exhausting system is installed at the ventilation opening. A solution tank is installed inside the machine shell. One side of the solution tank is equipped with a liquid input pipe, and the other side of the solution tank is provided with a liquid output pipe. The solution tank inputs and discharges a solution through the liquid input pipe and the liquid output pipe. The upper part of the solution tank is provided with a clamping part which is connected with a movement mechanism for driving clamping. According to the stress corrosion testing machine, design and production requirements are high, and the movement process is under full automatic control. Meanwhile, manual operation can be carried out under the circumstance of outages, and operation is simple and reliable. By centralized control, each related movement operates reliably, and the testing machine is quick and coordinating in action. According to the invention, convenience of equipment use, care and maintenance processes is fully considered. The testing machine provided by the invention reaches the national and international advanced level at present.
Description
Technical field
The present invention relates to a kind of testing machine, particularly relate to a kind of stress corrosion (cracking) test machine.
Background technology
In daily life, corrosion phenomenon is seen everywhere, and the material failure caused because of corrosion is also very common; Current, research material in corrosive medium environment material to the susceptibility of medium and in corrosive medium crack growth rate seem particularly important, as materials'use person and investigation of materials person, the corrosion resistance features of material is studied, with guarantee material reasonable employment, optimum to use, and grasp the stress test method of material, experimental standard comes into one's own increasingly.The corrosion resistance features of usual material is determined mainly through following several experiment, slow-drawing stress corrosion test, material stress corrosion torture test, and material corrosion is tested.Wherein, slow-drawing stress corrosion test has been come by stress corrosion (cracking) test machine usually.Stress corrosion (cracking) test machine Application comparison in stress corrosion (cracking) test is popularized, stress corrosion (cracking) test machine provided by the invention, that the shortcomings existed for stress corrosion (cracking) test machine in prior art proposes, as designing and producing of this testing machine requires high starting point, motion process Automatic Control, manual hand manipulation can be carried out in the event of a power failure, operation is simple and reliable, in domination set, each relevant action running is reliable, reaction is quick, coordination, the convenience of equipment use, maintenance and maintenance process can be taken into full account, there is the outer advanced level of Now Domestic.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of stress corrosion (cracking) test machine, its motion process Automatic Control, manual hand manipulation can be carried out in the event of a power failure, operation is simple and reliable, the running of each relevant action is stable, reaction is quick, coordinate, equipment use, maintenance and easy to maintenance.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of stress corrosion (cracking) test machine, wherein, comprise body fuselage, air port is opened at the top of described body fuselage, described ventilating opening installs exhausting system, solution tank is installed in the inside of described body fuselage, liquid input tube is installed in the side of described solution tank, opposite side installs liquid output pipe, described solution tank is by liquid input tube and liquid output pipe input and discharge solution, the top of described solution tank is provided with clamping part, and described clamping part connects the motion driving clamping.
Above-mentioned stress corrosion (cracking) test machine, wherein, described motion is locking cylinder or the screw rod transmission handwheel for Non-follow control being arranged on locking cylinder side.
Above-mentioned stress corrosion (cracking) test machine, wherein, described motion is locking cylinder and the screw rod transmission handwheel for Non-follow control being arranged on locking cylinder side.
Above-mentioned stress corrosion (cracking) test machine, wherein, the end of described liquid input tube is provided with funnel, and the end of described liquid output pipe is provided with stop valve.
Above-mentioned stress corrosion (cracking) test machine, wherein, the front mounting glass door of described body fuselage.
Above-mentioned stress corrosion (cracking) test machine, wherein, described clamping part comprises the fixture of more than three or three, and described fixture is formed by PB board making.
Above-mentioned stress corrosion (cracking) test machine, wherein, described solution tank is made by organic glass, in solution tank, be provided with rule.
Above-mentioned stress corrosion (cracking) test machine, wherein, described stress corrosion (cracking) test machine also comprises automatic control system, and control system is made up of host computer IPC, PLC, touch-screen, performer and detecting sensor, adopts bus to carry out connecting and communication between host computer IPC, PLC, touch-screen.
Above-mentioned stress corrosion (cracking) test machine, wherein, host computer completes stress corrosion (cracking) test machine experimental state, reference record, typing and display and prints, and adopts full-localized Windows operation interface; PLC is the controller of each motion of stress corrosion (cracking) test machine and action, accept host computer, control and state-detection that the data of touch-screen have indicated each concrete motion, and control each motor coordination, orderly carrying out by relevant mathematics and logical operation, and by the various data upload of testing machine to host computer; Touch-screen is the interface of human-machine operation, completes stress corrosion (cracking) test machine motion flow process, optimum configurations, in real time display and operation; Performer completes the realization of each motion; Detecting sensor completes the detection to each motion and state, and the state parameter to PLC output transducer.
The present invention contrasts prior art following beneficial effect: stress corrosion (cracking) test machine provided by the invention, and designing and producing of this testing machine requires high starting point, motion process Automatic Control.Manual hand manipulation can be carried out in the event of a power failure simultaneously, and operation is simple and reliable, centralized control, each relevant action running is reliable, reaction is quick, coordination, take into full account the convenience of equipment use, maintenance and maintenance process, there is Now Domestic or international most advanced level.
Accompanying drawing explanation
Fig. 1 is the structural representation of stress corrosion (cracking) test machine of the present invention.
In figure:
1 exhausting system 2 body fuselage 3 funnel
4 air inlet 5 touch-screen 6 stop valves
7 locking cylinder 8 handwheel 9 sample coupons
10 solution tank 11 solution 12 clamping parts
13 rules
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation of stress corrosion (cracking) test machine of the present invention.
Should power corrosion testing machine, comprise body fuselage, air port is opened at the top of described body fuselage, described ventilating opening is installed exhausting system 1, solution tank 10 is installed in the inside of described body fuselage, and liquid input tube is installed in the side of described solution tank 10, opposite side installs liquid output pipe, described solution tank 10 is by liquid input tube and liquid output pipe input and discharge solution, and the top of described solution tank 10 is provided with clamping part 12, and described clamping part 12 connects the motion driving clamping part 12.Motion is locking cylinder 7 or the screw rod transmission handwheel 8 for Non-follow control being arranged on locking cylinder 7 side.Motion is locking cylinder 7 and the screw rod transmission handwheel 8 for Non-follow control being arranged on locking cylinder 7 side.The end of liquid input tube is provided with funnel 3, and the end of described liquid output pipe is provided with stop valve 6, and the front mounting glass door of body fuselage, clamping part 12 comprises the fixture of more than three or three, and described fixture is formed by PB board making.Solution tank 10 is made by organic glass, is provided with rule 13 in solution tank 10.Stress corrosion (cracking) test machine also comprises automatic control system, and control system is made up of host computer IPC, PLC, touch-screen 5, performer and detecting sensor, adopts bus to carry out connecting and communication between host computer IPC, PLC, touch-screen 5.Host computer completes stress corrosion (cracking) test machine experimental state, reference record, typing and display and prints, and adopts full-localized Windows operation interface; PLC is the controller of each motion of stress corrosion (cracking) test machine and action, accept host computer, control and state-detection that the data of touch-screen have indicated each concrete motion, and control each motor coordination, orderly carrying out by relevant mathematics and logical operation, and by the various data upload of testing machine to host computer; Touch-screen 5 is interfaces of human-machine operation, completes stress corrosion (cracking) test machine motion flow process, optimum configurations, in real time display and operation; Performer completes the realization of each motion; Detecting sensor completes the detection to each motion and state, and the state parameter to PLC output transducer.
The design considerations of stress corrosion (cracking) test machine of the present invention:
According to the requirement of experiment of user to product, testing machine is applied to the stress corrosion (cracking) test that sample coupon 9 does alternating impregnating under 3.5% sodium chloride solution environment.
The method that test method provides according to user: metal and alloy expose working specification alternating impregnating in 3.5%NaCl neutral solution; The stress corrosion of sample coupon 9 test method;
Movement needs and dependency number in sample coupon 9 parameter that testing machine design parameter and scheme provide according to user and test.
Service condition: power supply: Three-phase five-wire AC 380V ± 10%50Hz, ≯ 3kVA.
Source of the gas: bleed pressure 0.6MPa, continually and steadily.
Testing machine technical scheme illustrates:
Equipment summary:
According to stress corrosion (cracking) test requirement, design, manufacture testing machine.This testing machine, primarily of funnel 3, clamping part 12, the motion of solution tank 10, liquor charging, comprises manually, automatically, several part such as exhausting system 1, switch board, touch-screen 5 is formed.
Stress corrosion (cracking) test machine provided by the invention completes technique behaviour frock folder sample coupon 9, clamping is complete, enable automatic control, realize the automatic motion process immersing sample coupon 9 and shift out salt solusion, record is carried out to correlation parameters such as sample coupon 9 etching time, environment temperature, air humiditys simultaneously, for warranty test function carries out high and dry test by rated condition, body top also adopts exhausting system 1 to keep internal body air to circulate, and testing machine should steadily, accurately, reliably in whole motion process.
Body each several part:
Body fuselage and exhausting system 1, body fuselage, by testing machine body seal, keeps the environment in main body to reach experimental situation requirement.Air port is opened at body fuselage top, installs exhausting system 1 additional, is that experimental situation can carry out air circulation with external environment.Outer casing frontispiece is the glass door of clamshell doors, adopts glass door that experimenter is monitored testing machine inner workings, ensures that it is in normal duty.Simultaneously under power-off or other improper factors make the out-of-work situation of testing machine, laboratory technician also can open glass door and manually operate the top-right handwheel of body 8 pairs of experimentations and carry out manual control.
Motion parts:
Motion parts mainly adopts locking cylinder 7, and power source is source of the gas.Locking cylinder 7 can realize self-locking in the event of a power failure, prevents clamping part 12 from automatically falling to affecting experiment.Meanwhile, adopt locking cylinder 7 to make stable movement, simple for structure, it is convenient to control.In order to prevent the improper factors such as power-off, experimentation is impacted.Motion parts also comprises manual control part, and it adopts the type of belt drive of screw rod transmission, carries out Non-follow control by the motion operating handwheel 8 pairs of mechanisms.
Clamping part 12:
Clamping part 12 fixture adopts PB plate material to make, and PB plate is inert material, can not pollute testing liquid 11 and sample coupon 9 and destroy.Can test by disposable clamping more than three or three sample coupons 9, the concrete quantity of fixture can be configured by user's requirement simultaneously.
Solution tank 10:
Solution tank 10 can adopt the inert materials such as organic glass to make, and on cell body, calibrate line controls to carry out observation to amount of solution simultaneously.
Touch-screen 5:
Touch-screen 5 completes testing machine automatic dip-coating machine motion flow process, optimum configurations, in real time display and operation, is man machine operation interface.Real time record is carried out to the technological process of system and major parameter simultaneously.
Testing machine basic function and technical parameter
This testing machine design and produce requirement: high starting point, motion process Automatic Control.Manual hand manipulation can be carried out in the event of a power failure simultaneously, and operation is simple and reliable, centralized control, each relevant action running is reliable, reaction is quick, coordination, take into full account the convenience of equipment use, maintenance and maintenance process, there is Now Domestic or international most advanced level.Require and parameter that there is following functions and parameter according to the correlation function that user proposes:
This testing machine practical function:
This testing machine can carry out clamping and loading by user's requirement to sample coupon 9.Can the multiple sample coupon 9 of disposable loading, do not affect by fixture and other sample coupons when ensureing that sample coupon 9 carries out corrosion test simultaneously.
Adopt locking cylinder 7 to realize loading rising and the descending motion of sample coupon 9 part, the stretching motion of locking cylinder 7 adopts two automatically controlled solenoid valve to control.Sample coupon 9 immersion can prevent testing liquid 11 from overflowing and spill chamber when shifting out sodium chloride solution.
NaCl solution in chamber is changed by the liquor charging funnel 3 of its upstream, and the two is connected by flexible pipe, and waste liquid is got rid of employing hand stop valve and carried out switch control rule, the quality of warranty test liquid on request.
As run into the emergency condition such as power-off or control element fault, still can carry out manual operation to testing machine, Non-follow control experimentation, preventing from causing harmful effect to experimentation.
There is correlation parameter record, typing, storage, printing function.
Specification of equipment parameter:
Solution tank 10:400 (length) × 320 (wide) × 240 (height)
Testing machine: 1500 (length) × 800 (wide) × 1400 (height)
Testing laboratory: 3500 (length) × 3000 (wide) × 2200 (height)
Remarks: the size of testing laboratory mainly considers the installation of this equipment, the basic need of Operation and maintenance, does not comprise the installation of workpiece and other annex, deposit position.
Control system scheme:
Control system is made up of host computer IPC, PLC, touch-screen, performer and various detecting sensor, and its functions is as follows:
Host computer completes stress corrosion (cracking) test machine experimental state, reference record, typing and display and prints, and adopts full-localized Windows operation interface, convenient directly perceived.
PLC is the controller of each motion of automatic dip-coating machine and action, accept the data of host computer, touch-screen 5, complete control and the state-detection of each concrete motion, and control each motor coordination, orderly motion by relevant mathematics and logical operation, and by the various data upload of testing machine to host computer.
Touch-screen 5 completes stress corrosion (cracking) test machine motion flow process, optimum configurations, in real time display and operation, is man machine operation interface.
Performer completes the realization of each motion.
Detecting sensor completes the detection to each motion and state, and the state parameter to PLC output transducer.
Control system major function:
Crucial accessory adopts import brand, as PLC etc., realizes the related procedure of counter stress corrosion device, the setting of parameter, and operates on it control; Long-time stable work can be realized;
Can realize timing, often at least 24 hours, system carried out alert notification, reminded laboratory technician to be carried out in accordance with regulations solution 11 and loading assembly and once checked.
The time of sample coupon 9 alternating impregnating in salt water and air can set as requested, and automatically realize sample and corroded for 90 minutes, within 50 minutes, do not corroded, each cyclic error is no more than 1 minute;
Automatically will discard saline solution discharge before can realizing each test, while carry fresh saline solution to chamber, automatically change a salt solusion by salt solusion reservoir to chamber, while automatically discarded saline solution is disposed to the waste collecting device of specifying;
System should be carried out record to whole process of the test and automatically be preserved, as record temperature, and humidity, time and pH value etc.; Comprise and power-off, mechanical failure or the relevant accidental skew of weather condition should be recorded simultaneously, and continue test to specifying the test period:
Record and process are in real time carried out to various fault, can be divided into according to fault category: alarm, the process that warning is shut down and other user requires;
Volume control:
System adopts touch-screen 5 to operate, make operating personnel easy to operate, directly perceived, can display device state, parameter etc. in real time.
Adopt bus to carry out connecting and communication between host computer IPC, PLC, touch-screen 5, reduce cabling quantity, improve the reliability of system and there is extended capability.
System adopts after host computer, can carry out jumbo record, typing, preservation, printing to the state of equipment, parameter, has directive function to the analysis of the quality of production, raising and management.
Host computer adopts full-localized Windows interface, makes system have good man-machine interface, and operation and maintenance is simple, convenient.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (9)
1. a stress corrosion (cracking) test machine, it is characterized in that: comprise body fuselage, air port is opened at the top of described body fuselage, described ventilating opening is installed exhausting system (1), solution tank (10) is installed in the inside of described body fuselage, liquid input tube is installed in the side of described solution tank (10), opposite side installs liquid output pipe, described solution tank (10) is by liquid input tube and liquid output pipe input and discharge solution, the top of described solution tank (10) is provided with clamping part (12), drive the motion of clamping part (12) connection of described clamping part (12).
2. stress corrosion (cracking) test machine as claimed in claim 1, is characterized in that: described motion is locking cylinder (7) or the screw rod transmission handwheel (8) for Non-follow control being arranged on locking cylinder (7) side.
3. stress corrosion (cracking) test machine as claimed in claim 1, is characterized in that: described motion is locking cylinder (7) and the screw rod transmission handwheel (8) for Non-follow control being arranged on locking cylinder (7) side.
4. stress corrosion (cracking) test machine as claimed in claim 1, it is characterized in that: the end of described liquid input tube is provided with funnel (3), the end of described liquid output pipe is provided with stop valve (6).
5. stress corrosion (cracking) test machine as claimed in claim 1, is characterized in that: the front mounting glass door of described body fuselage.
6. stress corrosion (cracking) test machine as claimed in claim 1, is characterized in that: described clamping part (12) comprises the fixture of more than three or three, and described fixture is formed by PB board making.
7. stress corrosion (cracking) test machine as claimed in claim 1, is characterized in that: described solution tank (10) is made by organic glass, is provided with rule (13) in solution tank (10).
8. stress corrosion (cracking) test machine as claimed in claim 1, it is characterized in that: described stress corrosion (cracking) test machine also comprises automatic control system, control system is made up of host computer IPC, PLC, touch-screen (5), performer and detecting sensor, adopts bus to carry out connecting and communication between host computer IPC, PLC, touch-screen (5).
9. stress corrosion (cracking) test machine as claimed in claim 8, is characterized in that:
Host computer completes stress corrosion (cracking) test machine experimental state, reference record, typing and display and prints, and adopts full-localized Windows operation interface;
PLC is the controller of each motion of stress corrosion (cracking) test machine and action, accept host computer, control and state-detection that the data of touch-screen have indicated each concrete motion, and control each motor coordination, orderly carrying out by relevant mathematics and logical operation, and by the various data upload of testing machine to host computer;
Touch-screen (5) is the interface of human-machine operation, completes stress corrosion (cracking) test machine motion flow process, optimum configurations, in real time display and operation;
Performer completes the realization of each motion;
Detecting sensor completes the detection to each motion and state, and the state parameter to PLC output transducer.
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CN201410412137.8A CN104807700A (en) | 2014-08-18 | 2014-08-18 | Stress corrosion testing machine |
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CN201410412137.8A CN104807700A (en) | 2014-08-18 | 2014-08-18 | Stress corrosion testing machine |
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Address after: 314300 Jiaxing, Haiyan County, the original street, salt road, North Road, No. 211, East District, building 1, building 2, Applicant after: ZHEJIANG GUOJIAN TESTING TECHNOLOGY CO., LTD. Address before: 314000 Zhejiang, Haiyan County, Jiaxing, Wu street, North Salt Road, East District, building 211, No. 2 Applicant before: Sea salt Guo Jian detection technique company limited |
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Application publication date: 20150729 |