CN114295509A - Constant-load corrosion test device - Google Patents
Constant-load corrosion test device Download PDFInfo
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- CN114295509A CN114295509A CN202111676802.0A CN202111676802A CN114295509A CN 114295509 A CN114295509 A CN 114295509A CN 202111676802 A CN202111676802 A CN 202111676802A CN 114295509 A CN114295509 A CN 114295509A
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 230000007797 corrosion Effects 0.000 title claims abstract description 27
- 238000005260 corrosion Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 90
- 238000005303 weighing Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000004260 weight control Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 description 15
- 239000012085 test solution Substances 0.000 description 15
- 239000000243 solution Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
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- 238000007599 discharging Methods 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- -1 iron ion Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 239000008399 tap water Substances 0.000 description 1
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Abstract
The invention discloses a constant-load corrosion test device which comprises a fixed frame, a lever mechanism and a control mechanism, wherein the control mechanism and the lever mechanism are connected with the fixed frame, the lever mechanism comprises a lever bracket and a lever body, the lever bracket is fixedly connected with the fixed frame, the lever body is movably connected with the lever bracket, the lever body can swing by taking a connecting point of the lever body and the lever bracket as a center, the lever mechanism also comprises a weighing sensor, the weighing sensor is connected with the lever body, and the weighing sensor is electrically connected with the control mechanism. The device monitors the load through the weighing sensor, and compared with the original method that the load is monitored by the weight, the weight control of the test loading is more accurate, and the precision of the test loading is improved; the device needs to be calibrated regularly relative to the weight, and the load is monitored by using the weighing sensor, so that the workload of device calibration and the cost of calibration are reduced.
Description
Technical Field
The invention belongs to the technical field of material detection, and particularly relates to a constant-load corrosion test device.
Background
Stress corrosion cracking is a brittle fracture phenomenon caused by the combined action of stress and a corrosive environment on materials or parts, and a catastrophic accident is often caused because no obvious plastic deformation exists before the stress corrosion failure.
From a stress point of view, the stress corrosion failure is a static stress, much lower than the yield strength of the material, and generally a tensile stress. From the view of environmental medium, each metal or alloy can only generate stress corrosion in specific medium, such as low-carbon steel in sodium hydroxide, nitrate, carbonate, liquid ammonia, HS and other solutions, austenitic stainless steel in chloride solution, copper alloy in ammonia and iron ion solution; the aluminum alloy can be damaged by stress corrosion only in the solution of seawater, sodium chloride and the like. How to improve the detection accuracy of the corrosion test device still remains to be solved at present.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a constant-load corrosion test device which is high in detection accuracy.
In order to achieve the above purposes, the invention adopts the technical scheme that: the utility model provides a constant load corrosion test device, includes mount, lever mechanism and control mechanism, control mechanism lever mechanism all with the mount is connected, lever mechanism includes lever support and lever body, lever support with mount fixed connection, the lever body with lever support swing joint, this physical stamina of lever with the lever body with lever support's tie point swings as the center, lever mechanism still includes weighing sensor, weighing sensor with this body coupling of lever, weighing sensor with control mechanism electric connection. The device monitors the load through the weighing sensor, and compared with the original method that the load is monitored by the weight, the weight control of the test loading is more accurate, and the precision of the test loading is improved; the device needs to be calibrated regularly relative to the weight, and the load is monitored by using the weighing sensor, so that the workload of device calibration and the cost of calibration are reduced.
Further, lever mechanism still includes first pull rod and goes up the installation axle, first pull rod one end with the one end of lever body is connected, the other end with weighing sensor connects, weighing sensor keeps away from the one end of first pull rod with go up the installation hub connection, it is used for connecting with the one end of sample to go up the installation axle.
Furthermore, a through groove is formed in one end, connected with the first pull rod, of the lever body, a rotating block is arranged in the through groove, the rotating block is connected with the side wall of the through groove through a rotating shaft, the rotating block can rotate by taking the rotating shaft as a center, and the rotating block is connected with the first screw rod, so that the first screw rod can rotate by taking the rotating shaft as a center.
Further, lever mechanism still includes the weight and places the board, the weight place the board with the lever body is kept away from the one end of first pull rod is connected, the weight place the board through the second pull rod with this body coupling of lever. Through placing the weight on the board is placed to the weight, regard as the loading load with the weight, use lever principle to enlarge the load of weight in order to satisfy experimental required load demand.
Further, still include lever supporting component, lever supporting component and mount fixed connection, and be located under the lever body, lever supporting component includes lead screw and nut, the nut with mount fixed connection, the lead screw passes the nut, lead screw one end is provided with the hand wheel, through rotatory hand wheel, can adjust the lead screw distance between the lever body. The supporting assembly can adjust and protect the lever mechanism, so that the lever mechanism is convenient to install and protect a test sample, and the lever mechanism is prevented from falling towards the weight device when the sample is broken.
The heating device further comprises a heating mechanism, wherein the heating mechanism comprises a container, and a heating sleeve is arranged on the outer side of the container to heat the container; a cavity is arranged in the container and used for containing corrosive media. The upper surface and the lower surface of the container are provided with through holes, plug heads are arranged in the through holes, and the plug heads are used for fixing samples. The heating mechanism further comprises a temperature sensor, one end of the temperature sensor is arranged in the cavity, and the other end of the temperature sensor is arranged outside the container. The heating mechanism comprises a condensing pipe, the condensing pipe is connected with the cavity of the container, and the medium in the container is condensed through the condensing pipe.
Further, still include cooling body, cooling body and mount fixed connection, cooling body and condenser pipe are connected, cooling body cools off the medium in the condenser pipe, cooling body includes cooling water pump and water tank, cooling water pump sets up inside the water tank, cools off the medium of condensing in the water tank, makes the medium of cooling in the water tank in certain temperature range.
Further, still include protection machanism, protection machanism is including connecing cistern and anti-falling support, it sets up to connect the cistern under heating mechanism, it is provided with anti-falling support to connect the cistern top, anti-falling support with the container is connected. The liquid receiving groove and the anti-falling bracket prevent the container from falling and being damaged after the sample is broken and prevent the leakage of the test solution.
Further, protection machanism still includes the protection casing, the protection casing sets up on the workstation, and is located heating mechanism's the outside, the protection casing with the joint is carried out to the mount, the protection casing material is transparent organic glass, both has made things convenient for the experimental condition of observation test solution and sample, also can play fine guard action, prevents that personnel from being close to the scald.
Further, the controller is arranged above the fixing frame, a power switch, a time relay, a zero clearing switch, a force value displayer, a temperature displayer, a voltage regulator and a stop switch are arranged on the controller, the power switch is used for being connected with a power supply, the water pump switch is used for starting the water pump, the time relay is used for timing, the force value displayer is used for displaying the pulling force, and the temperature displayer is used for displaying the temperature in the container.
Further, the lever mechanism, the heating mechanism, the supporting mechanism and the protection mechanism are provided with multiple groups, each group can independently run, so that the test operation is more flexible and convenient, and multiple groups of tests can be simultaneously carried out.
The invention has the beneficial effects that:
1) the corrosion experiment device monitors the load through the weighing sensor, and compared with the original method that the load is monitored by a weight, the weight control of the test loading is more accurate, and the test loading precision is improved; the device needs to be calibrated regularly relative to the weight, and the load is monitored by using the weighing sensor, so that the workload of device calibration and the cost of calibration are reduced.
2) The corrosion experiment device uses the temperature sensor as a temperature monitoring element, and compared with the traditional method of using a thermometer to monitor the temperature, the temperature monitoring is more accurate.
3) The device is provided with multiunit lever mechanism, heating mechanism, supporting mechanism and protection machanism, and every group can move alone, makes experimental operation nimble more and convenient, can carry out the multiunit experiment simultaneously.
Drawings
FIG. 1 is a perspective view of a constant load corrosion test apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a perspective view of another perspective of the constant-load corrosion test apparatus according to a preferred embodiment of the present invention;
FIG. 3 is a perspective view of a lever mechanism according to a preferred embodiment of the present invention;
FIG. 4 is a perspective view of a support assembly in accordance with a preferred embodiment of the present invention;
FIG. 5 is a cross-sectional view of a heating mechanism according to a preferred embodiment of the present invention;
FIG. 6 is a perspective view of a fixing assembly in accordance with a preferred embodiment of the present invention;
FIG. 7 is a schematic view of the connection between the heating structure and the shielding assembly according to a preferred embodiment of the present invention.
In the figure:
1. a fixed mount; 11. a work table; 12. supporting legs;
2. a lever mechanism; 21. a lever body; 211. a rotating shaft; 212. a through groove; 22. a lever bracket; 23. rotating the block; 24. a first pull rod; 25. a weighing sensor; 26. an upper mounting shaft; 27. a weight placing plate; 28. a second pull rod; 29. a wire rope;
3. a heating mechanism; 31. a container; 311. a through hole; 312. a cavity; 32. a temperature sensor; 33. a plug head; 34. a sample; 35. a condenser tube; 351. a clamping jaw adjusting screw; 352. a jaw support; 353. adjusting the clamping jaw; 36. heating a jacket;
4. a control mechanism; 41. a force value display; 42. a temperature display; 43. a time relay; 44. a zero clearing switch; 45. a power switch;
5. a cooling mechanism; 51. a water tank;
6. a lever support assembly; 61. a screw rod; 62. a nut; 63. a hand wheel;
7. a protection mechanism; 71. a liquid receiving tank; 72. the anti-falling bracket; 73. a protective cover;
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, the constant-load corrosion test apparatus in this embodiment includes a fixed frame 1, a lever mechanism 2, a control mechanism 4, a heating mechanism 3, and a protection mechanism 7; the control mechanism 4 the lever mechanism 2 is connected with the fixing frame 1, supporting legs 12 are arranged below the fixing frame 1, the supporting legs 12 can finely adjust the height of the fixing frame 1, a workbench 11 is arranged on the fixing frame 1, and the heating mechanism 3 and the protection mechanism 7 are arranged on the workbench 11.
Referring to fig. 1 and 3, in some embodiments, the lever mechanism 2 includes a lever bracket 22 and a lever body 21, the lever bracket 22 is fixedly connected to the fixed frame 1, the lever body 21 is movably connected to the lever bracket 22, the lever body 21 can swing around a connection point of the lever body 21 and the lever bracket 22, the lever mechanism 2 further includes a load cell 25, the load cell 25 is connected to the lever body 21, and the load cell 25 is electrically connected to the control mechanism 4. The device monitors the load through the weighing sensor 25, and compared with the original method of monitoring the load by using weights, the weight control of the test loading is more accurate, and the precision of the test loading is improved; the load is monitored by the load cell 25, so that the workload of device calibration and the calibration cost are reduced.
In some embodiments, the lever mechanism 2 further includes a first pull rod 24 and an upper mounting shaft 26, one end of the first pull rod 24 is connected to one end of the lever body 21, a through groove 212 is disposed at one end of the lever body 21 connected to the first pull rod 24, a rotation block 23 is disposed in the through groove 212, the rotation block 23 is connected to a side wall of the through groove 212 through a rotation shaft 211, the rotation block 23 can rotate around the rotation shaft 211, and the rotation block 23 is connected to the first lead screw 61, so that the first lead screw 61 can rotate around the rotation shaft 211. The other end of the first lead screw 61 is connected with the load cell 25, one end of the load cell 25 far away from the first pull rod 24 is connected with the upper mounting shaft 26, and the upper mounting shaft 26 is connected with one end of the sample 34 through a bolt. Still be provided with down installation axle simultaneously, the down installation axle sets up and is connected with protection machanism 7 in heating mechanism 3 below, and the other end of down installation axle and sample 34 passes through the bolt connection. Since the first lead screw 61 can rotate around the rotation shaft 211, the sample 34 connected to the first lead screw 61 via the upper mounting shaft 26 can rotate around the rotation shaft 211, so that the position where the sample 34 is mounted has a certain flexibility, and the mounting of the sample 34 is facilitated.
In some embodiments, the lever mechanism 2 further comprises a weight placing plate 27, the weight placing plate 27 is connected with one end of the lever body 21 away from the first pull rod 24, and the weight placing plate 27 is connected with the lever body 21 through a second pull rod 28. By placing the weight on the weight placing plate 27, the weight is used as a load, and the load of the weight is amplified by using the lever principle to meet the load demand required for the test. The lever mechanism 2 further comprises a steel wire rope 29 and a pulley, one end of the steel wire rope 29 is connected with one end, far away from the weight placing plate 27, of the second screw rod 61, and the other end of the steel wire rope penetrates through the pulley to be connected with the fixed frame 1.
In some embodiments, referring to fig. 4, the lever support assembly 6 is further included, the lever support assembly 6 is fixedly connected with the fixing frame 1 and is located right below the lever body 21, the lever support assembly 6 includes a screw 61 and a nut 62, the nut 62 is fixedly connected with the fixing frame 1, the screw 61 passes through the nut 62, one end of the screw 61 is provided with a hand wheel 63, and the distance between the lever bodies 21 of the screw 61 can be adjusted by rotating the hand wheel 63.
In some embodiments, referring to fig. 5-7, the heating device 3 further comprises a container 31, a heating jacket 36 is arranged outside the container 31, the container 31 is heated, the heating jacket 36 is connected with a voltage regulator, and the solution in the container 31 is rapidly boiled by adjusting the voltage regulator to regulate the heater voltage; the container 31 is provided with a cavity 312 inside, and the cavity 312 is used for containing corrosive media. The upper surface and the lower surface of the container 31 are provided with through holes 311, plug heads 33 are arranged in the through holes 311, and the plug heads 33 are used for fixing samples 34. The heating mechanism 3 further comprises a temperature sensor 32, wherein one end of the temperature sensor 32 is arranged in the cavity 312, and the other end of the temperature sensor 32 is arranged outside the container 31. The heating mechanism 3 includes a condensation duct 35, and the condensation duct 35 is connected to the cavity 312 of the container 31. Condenser pipe 35 is fixed through fixed subassembly, and fixed subassembly is including adjusting clamping jaw 353, clamping jaw adjusting screw 351 and clamping jaw support 352, and clamping jaw support 352 passes through clamping jaw adjusting screw 351 and mount 1 and connects, and clamping jaw support 352 connects with regulation clamping jaw 353, and clamping jaw support 352 fixes adjustment clamping jaw 353, and regulation clamping jaw 353 fixes condenser pipe 35.
In some embodiments, as described with reference to fig. 1, the cooling mechanism 5 is further included, the cooling mechanism 5 is fixedly connected to the fixed frame 1, the cooling mechanism 5 is connected to the condensation pipe 35, the cooling mechanism 5 cools the medium in the condensation pipe 35, the cooling mechanism 5 includes a cooling water pump and a water tank 51, the cooling water pump is disposed inside the water tank 51 and cools the condensation medium in the water tank 51, so that the temperature of the cooling medium in the water tank 51 is within a certain range.
In some embodiments, as described with reference to fig. 2 and 7, the safety device 7 further comprises a safety mechanism 7, the safety mechanism 7 comprises a liquid receiving groove 71 and a falling prevention bracket 72, the liquid receiving groove 71 is arranged right below the heating mechanism 3, the falling prevention bracket 72 is arranged above the liquid receiving groove 71, and the falling prevention bracket 72 is connected with the container 31. The drip trough 71 and the fall arrest bracket 72 prevent drop damage to the container 31 and leakage of test solution after the specimen 34 breaks. Protection machanism 7 still includes protection casing 73, protection casing 73 sets up on workstation 11, and is located heating mechanism 3's the outside, protection casing 73 with mount 1 carries out the joint, protection casing 73 material is transparent organic glass, makes things convenient for the experimental condition of observing test solution and sample promptly, also can play fine guard action, prevents that personnel from being close to the scald.
In some embodiments, referring to fig. 2, the controller is disposed above the fixing frame 1, the controller is provided with a power switch 45, a time relay 43, a clear switch 44, a force value display 41, a temperature display 42, a voltage display, a voltage regulator and a stop switch, the power switch 45 is used for connecting a power supply, the water pump switch is used for starting a water pump, the time relay is used for timing, the force value display 41 is used for displaying tension, and the temperature display 42 is used for displaying the temperature in the container 31.
In some embodiments, referring to fig. 1, three sets of the lever mechanism 2, the heating mechanism 3, the supporting mechanism 6 and the protection mechanism 7 are provided, each set can be operated independently, so that the operation of the test is more flexible and convenient, and multiple sets of tests can be performed simultaneously.
The working process is as follows: the stainless steel boiling magnesium chloride test is taken as an example.
1) Examination before testing:
before the test, whether the water level of the water tank 51 is normal or not, whether the cooling water pump is normal or not, whether the indicating value of the weighing sensor 25 is normal or not, whether the indicating value of the temperature sensor 32 is normal or not, whether the heating of the heating jacket 36 is normal or not, whether the connection of the condenser pipe 35 is normal or not, whether the setting of the time relay 43 meets the requirements or not, whether the time parameter of the cumulative timer is reset or not, whether the voltage display is normal or not and whether the function of the voltage regulator is normal or not are checked.
2) And (3) sample installation:
one end of the sample 34 is loaded into the stopper 33, then the sample 34 and the stopper 33 are loaded into the glass container 31 together, the other end of the sample 34 is loaded into the stopper 33, and finally the stoppers 33 at both ends of the sample 34 are pressed into the upper and lower through holes 311 of the glass container 31, ensuring that the test solution is loaded therein without leakage.
The hand wheel 63 is adjusted to enable the screw rod 61 to move upwards, the screw rod 61 is pushed to move upwards, the first pull rod 24 can rotate conveniently, and a plug pin can be smoothly inserted between the upper mounting shaft 26 and the sample 34; the lower end of the sample 34 is attached to the lower mounting shaft in the same manner as the sample 34 is attached to the upper mounting shaft 26 by inserting a pin.
The heating jacket 36 is mounted to the outer wall of the glass container 31 and the temperature sensor 32 is inserted into the sensor-mounted port of the glass container 31.
3) Loading process
After the glass container 31, the temperature sensor 32, the plug 33, the temperature sensor 32, the sample 34 and the heating jacket 36 are installed, adjusting the sensor channel parameters on the force value display 41, clearing the indication value of the sensor channel to be loaded, and adjusting the hand wheel 63 to enable the screw rod 61 to move downwards until the screw rod 61 is completely separated from the lever body 21 by about 2-3 mm; then, a weight is placed on the weight placing plate 27, and the indication value of the force value display 41 is checked until the indication value required for the test is reached.
4) Solution infusion initiation test
After the loading is finished, checking that the glass container 31, the temperature sensor 32, the plug 33, the sample 34 and the heating sleeve 36 are normal, and starting a starting switch to heat the heating sleeve 36 until the glass container 31 is free of any moisture and the temperature of the glass container 31 is about 140 ℃; then, the magnesium chloride solution which is melted into liquid is loaded into the glass container 31 from the interface of the condensation pipe 35 arranged on the glass container 31, heat insulation gloves are worn when the test solution is added, the operation is carried out by two persons, and a glass funnel is used when the test solution is added; after the test solution is added, a condensing pipe 35 is installed, a cold area water pump is started, then a voltage regulator is adjusted to enable the solution to boil quickly, whether the indication value of a temperature sensor 32 meets the test requirement or not is checked after the solution boils (the test solution temperature is checked after the solution is added into a glass container 31 and boils for 30 minutes), and if the test solution is boiled and the temperature of the test solution reaches the standard requirement value, the concentration of the test solution needs to be adjusted again until the temperature reaches the standard specified temperature.
The voltage regulator is adjusted to maintain the solution at a steady boiling state.
The adjustment clamping jaw 353, the clamping jaw adjustment screw 351 and the clamping jaw support 352 fix the condensation tube 35.
5) End of experiment
After the test is finished, firstly removing the weight on the weight placing plate 27, then pressing a stop switch, removing the condensing tube 35 after the test solution stops boiling and the temperature is about close to the freezing point of the test solution, removing the temperature sensor 32, pulling out the bolt, removing the heating sleeve 36, taking out the glass container 31, the plug 33 and the sample 34, and discharging the test solution from the interface of the condensing tube 35 (a large amount of tap water is needed to flush to prevent the solution from being solidified during discharging); the upper and lower plugs 33 are then removed, the sample 34 is removed, and the pump switch and power switch 45 are turned off.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A constant-load corrosion test device is characterized by comprising a fixed frame (1), a lever mechanism (2) and a control mechanism (4), the control mechanism (4) and the lever mechanism (2) are both connected with the fixed frame (1), the lever mechanism (2) comprises a lever bracket (22) and a lever body (21), the lever bracket (22) is fixedly connected with the fixed frame (1), the lever body (21) is movably connected with the lever bracket (22), the lever body (21) can swing by taking the connecting point of the lever body (21) and the lever bracket (22) as the center, the lever mechanism (2) further comprises a weighing sensor (25), the weighing sensor (25) is connected with the lever body (21), the weighing sensor (25) is electrically connected with the control mechanism (4).
2. A constant-load corrosion testing device according to claim 1, wherein said lever mechanism (2) further comprises a first pull rod (24) and an upper mounting shaft (26), one end of said first pull rod (24) is connected to one end of said lever body (21), the other end is connected to said load cell (25), and the end of said load cell (25) far from said first pull rod (24) is connected to said upper mounting shaft (26).
3. The constant-load corrosion test device according to claim 2, wherein a through groove (212) is formed in one end, connected with the first pull rod (24), of the lever body (21), a rotating block (23) is arranged in the through groove (212), the rotating block (23) is connected with the side wall of the through groove (212) through a rotating shaft (211), the rotating block (23) can rotate around the rotating shaft (211), and the rotating block (23) is connected with the first pull rod (24).
4. A constant-load corrosion testing device according to claim 3, wherein said lever mechanism (2) further comprises a weight placing plate (27), said weight placing plate (27) is connected with one end of said lever body (21) far away from said first pull rod (24), said weight placing plate (27) is connected with said lever body (21) through a second pull rod (28).
5. The constant-load corrosion test device according to claim 1, further comprising a lever support assembly (6), wherein the lever support assembly (6) is fixedly connected with the fixing frame (1) and is located right below the lever body (21), the lever support assembly (6) comprises a screw rod (61) and a nut (62), the nut (62) is fixedly connected with the fixing frame (1), the screw rod (61) penetrates through the nut (62), and a hand wheel (63) is arranged at one end of the screw rod (61).
6. The constant-load corrosion test device according to claim 1, further comprising a heating mechanism (3), wherein the heating mechanism (3) comprises a container (31), a cavity (312) is arranged inside the container (31), through holes (311) are arranged on both the upper surface and the lower surface of the container (31), a plug (33) is arranged in each through hole (311), the heating mechanism further comprises a temperature sensor (32), one end of the temperature sensor (32) is arranged in the cavity (312), the other end of the temperature sensor is arranged outside the container (31), the heating mechanism comprises a condensation pipe (35), and the condensation pipe (35) is connected with the cavity (312) of the container (31).
7. The constant-load corrosion test device according to claim 6, further comprising a cooling mechanism (5), wherein the cooling mechanism (5) is fixedly connected with the fixing frame (1), the cooling mechanism (5) is connected with the condensation pipe (35), the condensation device comprises a cooling water pump and a water tank (51), and the cooling water pump is arranged inside the water tank (51).
8. The constant-load corrosion test device according to claim 1, further comprising a protection mechanism (7), wherein the protection mechanism (7) comprises a liquid receiving groove (71) and an anti-falling bracket (72), the liquid receiving groove (71) is arranged right below the heating mechanism (4), and the anti-falling bracket (72) is arranged above the liquid receiving groove (71).
9. A constant-load corrosion test device according to claim 8, wherein said protection means (7) further comprises a protection cover (73), said protection cover (73) being disposed on said table (11) and outside said heating means (3).
10. The constant-load corrosion test device according to claim 1, wherein the control mechanism (4) is arranged above the fixing frame (1), and a time relay (43), a zero clearing switch (44), a force value display (41) and a temperature display (42) are arranged on the control mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN103308404A (en) * | 2013-06-14 | 2013-09-18 | 吉林大学 | In-situ nano-indentation tester based on adjustable stretching-bending preload |
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| CN109827897A (en) * | 2019-03-13 | 2019-05-31 | 南京工程学院 | A kind of slow tensile stress etching experimental provision based on lever |
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| CN212844712U (en) * | 2020-09-23 | 2021-03-30 | 北京东升震远科技有限公司 | Weight type constant load stress corrosion test sample fracture automatic accumulation timing device |
| CN213633115U (en) * | 2020-11-13 | 2021-07-06 | 江苏天鼎检测科技有限公司 | Stainless steel constant load test equipment |
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| CN103308404A (en) * | 2013-06-14 | 2013-09-18 | 吉林大学 | In-situ nano-indentation tester based on adjustable stretching-bending preload |
| CN106092734A (en) * | 2016-08-31 | 2016-11-09 | 西安摩尔石油工程实验室股份有限公司 | Lever constant load stress corrosion testing device |
| CN109827897A (en) * | 2019-03-13 | 2019-05-31 | 南京工程学院 | A kind of slow tensile stress etching experimental provision based on lever |
| CN110926928A (en) * | 2019-12-06 | 2020-03-27 | 北京交通大学 | Automatic remote alarm device for constant-load tensile test |
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