CN212722529U - Dripping evaporation test device for metal corrosion - Google Patents

Dripping evaporation test device for metal corrosion Download PDF

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Publication number
CN212722529U
CN212722529U CN202021109559.5U CN202021109559U CN212722529U CN 212722529 U CN212722529 U CN 212722529U CN 202021109559 U CN202021109559 U CN 202021109559U CN 212722529 U CN212722529 U CN 212722529U
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vertical plate
residual liquid
solution
protective cover
humidity
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陶日光
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Shaanxi Zhonghuilichuang Material Testing Technology Co ltd
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Shaanxi Zhonghuilichuang Material Testing Technology Co ltd
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Abstract

The utility model discloses a drip evaporation test device for metal corrosion, including left riser, pull rod, coupling, aligning ware, anchor clamps, driving flange, electric putter, right riser, protection casing, heating temperature measurement system, driving motor, lead screw nut mechanism and automatic fluid infusion system. The clamp is provided with a residual liquid collector, the protective cover is provided with a flow guide groove, and the bottom surface of the residual liquid collector is provided with an automatic liquid supplementing system. The automatic heating temperature measurement system detects the ambient temperature in the protective cover in real time and automatically heats or stops heating according to the detected actual temperature. The automatic solution supplementing system monitors the environmental humidity of the sample in the protective cover in real time, and automatically supplies the salt solution to the protective cover or stops the supply of the salt solution at any time according to the actually detected humidity. The evaporated residual liquid naturally flows into the residual liquid collector through the diversion trench arranged on the protective cover, so that the aims of automatically controlling the temperature and the humidity and automatically collecting the residual liquid are fulfilled.

Description

Dripping evaporation test device for metal corrosion
Technical Field
The utility model relates to a salt spray corrodes metal detection equipment technical field, especially relates to a dripping evaporation test device for metal corrosion.
Background
In the environment of corrosive medium (such as seawater, sodium chloride solution, etc.), the corrosion destruction characteristic test and the cracking test are needed to be carried out for detecting and researching metal, alloy material and aluminum-copper material.
Concentration of salts during high temperature, wet and dry alternation processes and drip evaporation processes creates a harsh environmental condition that may induce stress corrosion cracking in some alloys. If only one is present, failure does not occur due to stress or the action of a medium, but cracking can occur quickly when a combination of factors are used. When stress corrosion occurs, the stress is very low, the corrosivity of the medium is very weak, and due to the fact that the stress corrosion is neglected frequently, the accident is caused to occur continuously.
In order to prevent the above accidents, a test device for automatically controlling temperature and humidity and collecting residual liquid for testing is designed.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a dripping evaporation test device for metal corrosion tests through automatic control temperature, humidity and collection raffinate.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a dripping evaporation test device for metal corrosion comprises a left vertical plate, a pull rod, a connecting head, an aligning device, a clamp, a transmission flange, an electric push rod, a right vertical plate, a protective cover, a heating temperature measuring system, a push motor, a screw rod nut mechanism and an automatic liquid supplementing system. The left vertical plate is located at the left end of the device, the right vertical plate is located at the right end of the device, a distance exists between the left vertical plate and the right vertical plate, two pull rods are installed between the left vertical plate and the right vertical plate, two ends of one pull rod are respectively connected with the upper portion of the left vertical plate and the upper portion of the right vertical plate, and two ends of the other pull rod are respectively connected with the lower portion of the left vertical plate and the lower portion of the right vertical plate. The middle part of left riser installs force sensor, the right flank of left riser passes through flange joint with the left end of coupling head, the right-hand member of coupling head is connected with the left end of aligning ware, the right-hand member of aligning ware is connected with the left end of anchor clamps, the right-hand member of anchor clamps is connected with the left end of transmission flange, the right-hand member of transmission flange is connected with the left end of lead screw nut mechanism, the right-hand member of lead screw nut mechanism is connected with electric putter's left end, electric putter's right-hand member is connected with push motor's work end, push motor's non-work end is connected with the left flank of right riser. The clamp is provided with a residual liquid collector, the upper part of the residual liquid collector is connected with the upper part of the clamp, the lower part of the residual liquid collector is connected with the lower part of the clamp, the upper part of the residual liquid collector is provided with a protective cover, a flow guide groove is arranged on the protective cover and is connected with an inlet of the residual liquid collector, and the flow guide groove is used for guiding the evaporated residual liquid to be at least in the residual liquid collector. The bottom surface of the residual liquid collector is provided with an automatic liquid supplementing system which is used for automatically supplementing the salt solution into the protective cover. The clamp is used for clamping a sample to be tested, the aligning device is used for adjusting the horizontal position of the sample in the clamp, and the heating temperature measuring system is used for automatically detecting and heating the temperature in the protective cover.
Compared with the prior art, the utility model has the advantages of it is following: the automatic heating temperature measurement system detects the ambient temperature in the protective cover in real time, and automatically heats or stops heating according to the detected actual temperature, so that the ambient temperature of the sample in the protective cover is ensured to be in a preset temperature threshold value in the test. The automatic liquid supplementing system monitors the environmental humidity of the sample in the protective cover in real time, and automatically supplies the saline solution or stops the supply of the saline solution to the protective cover at any time according to the actually detected humidity, so that the environmental humidity in the protective cover is ensured to be within a preset humidity threshold value in a test. The evaporated residual liquid naturally flows into the residual liquid collector through the diversion trench arranged on the protective cover, so that the aims of automatically controlling the temperature and the humidity and automatically collecting the residual liquid are fulfilled.
More preferably: the automatic liquid supplementing system comprises a humidity sensor, a humidity controller, a solution motor, a solution pump and a solution cylinder. The input of humidity transducer is located the protection casing, and humidity transducer's output is connected with humidity controller's input, and humidity controller's output is connected with the solution motor, and the work end of solution motor is connected with the pivot of solution pump, and the import and the solution section of thick bamboo of solution pump are connected, and the export of solution pump is located the protection casing, to the inside salt solution that provides of protection casing, and wherein humidity transducer is used for detecting the humidity in the protection casing.
By adopting the technical scheme, the automatic control of the environment humidity in the protective cover is realized within the preset humidity threshold value, and the continuous and smooth operation of an evaporation and dripping test is ensured.
More preferably: the protection casing includes left board and right board, and the left board is connected with the top of right board, and left board and right board constitute "people" type, and the guiding gutter has all been seted up to the bottom of left board, the bottom of right board.
By adopting the technical scheme, the guide of the evaporated residual liquid is naturally realized through the left plate, the right plate and the guide groove.
The method is further optimized as follows: the left plate and the right plate are both arc-shaped plates.
By adopting the technical scheme, residual liquid on the left plate and the right plate can flow to the flow guide groove at a constant speed and is finally collected, and meanwhile, the environmental humidity in the protective cover is indirectly maintained, so that the over-low humidity in the protective cover is avoided.
The method is further optimized as follows: the supporting legs are adjustable supporting legs.
By adopting the technical scheme, the specific position of the adjusting device can be adjusted according to the actual field, and the test is ensured to meet the standard requirement of the evaporation and dripping test.
The method is further optimized as follows: the screw rod nut mechanism is sleeved in the electric push rod.
By adopting the technical scheme, the electric push rod is driven to synchronously rotate and move left and right while rotating and moving left and right.
The method is further optimized as follows: the feed screw nut mechanism comprises a feed screw and a nut, the nut is sleeved on the feed screw, and the right end of the feed screw is sleeved in the electric push rod.
By adopting the technical scheme, the structure is stable and firm, and the phenomenon of damage in the repeated rotating and left-right moving process is reduced.
The method is further optimized as follows: the solution pump is provided with a liquid inlet pipe which extends into the solution cylinder.
By adopting the technical scheme, all the saline solution in the solution cylinder can be extracted, and the waste of the saline solution is avoided.
The method is further optimized as follows: the pushing motor is a servo motor.
By adopting the technical scheme, the transmission load with the advantages of stability, low noise, high efficiency, high precision, high strength and long service life of the system is ensured, and the stable loading of the system is realized.
The method is further optimized as follows: the solution cylinder is movable.
By adopting the technical scheme, the salt solution needs to be proportioned in the preparation work before the test. When the salt solution needs to be proportioned, the solution cylinder can be moved, and the proportioned salt solution is added into the solution cylinder, so that convenience is provided for the preparation work in the early stage of the test.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic view showing the connection of the protective cover, the automatic fluid infusion system, the residual fluid collector and the heating and temperature measuring system in this embodiment;
FIG. 3 is a schematic block diagram of a heating and temperature measuring system according to the present embodiment;
FIG. 4 is a schematic diagram illustrating the connection of modules of the automatic fluid infusion system according to the present embodiment;
FIG. 5 is a schematic view of the structural connection of the automatic fluid infusion system in this embodiment;
FIG. 6 is a schematic structural view of the screw nut and the electric push rod in the present embodiment;
fig. 7 is a schematic structural diagram of the protective cover in this embodiment.
Reference numerals: 1-a leg; 2-a left vertical plate; 3-a force sensor; 4-a pull rod; 5-a coupling head; 6-a center adjuster; 7-a clamp; 8-a transmission flange; 9-electric push rod; 10-a right vertical plate; 11-a protective cover; 111-left panel; 112-right plate; 113-a diversion trench; 12-a raffinate collector; 13-heating temperature measuring system; 14-a pushing motor; 15-a feed screw nut mechanism; 151-lead screw; 152-a nut; 16-automatic fluid infusion system; 161-humidity sensor; 162-a humidity controller; 163-solution motor; 164-a solution pump; 165-solution cartridge.
Detailed Description
The present invention will be further described with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7.
A dripping evaporation test device for metal corrosion is shown in figures 1 and 2 and comprises a left vertical plate 2, a pull rod 4, a connecting head 5, a centering device 6, a clamp 7, a transmission flange 8, an electric push rod 9, a right vertical plate 10, a protective cover 11, a heating temperature measurement system 13, a push motor 14, a screw rod 151 and nut 152 mechanism 15 and an automatic liquid supplementing system 16. The left vertical plate 2 is located at the left end of the device, the right vertical plate 10 is located at the right end of the device, a distance exists between the left vertical plate 2 and the right vertical plate 10, two pull rods 4 are installed between the left vertical plate 2 and the right vertical plate 10, two ends of one pull rod 4 are respectively connected with the upper portion of the left vertical plate 2 and the upper portion of the right vertical plate 10, and two ends of the other pull rod 4 are respectively connected with the lower portion of the left vertical plate 2 and the lower portion of the right vertical plate 10. The middle part of left riser 2 is installed and is received force transducer 3, the right flank of left riser 2 passes through flange joint with the left end of coupling head 5, the right-hand member of coupling head 5 is connected with the left end of self-aligning ware 6, the right-hand member of self-aligning ware 6 is connected with the left end of anchor clamps 7, the right-hand member of anchor clamps 7 is connected with the left end of transmission flange, the right-hand member of transmission flange 8 is connected with the left end of lead screw 151 nut 152 mechanism 15, the right-hand member of lead screw 151 nut 152 mechanism 15 is connected with the left end of electric putter 9, the right-hand member of electric putter 9 is connected with the working end of push motor 14, the non-working end of push motor 14 is connected with the left. The clamp 7 is provided with a residual liquid collector 12, the upper part of the residual liquid collector 12 is connected with the upper part of the clamp 7, the lower part of the residual liquid collector 12 is connected with the lower part of the clamp 7, the upper part of the residual liquid collector 12 is provided with a protective cover 11, the protective cover 11 is provided with a flow guide groove 113, and the flow guide groove 113 is connected with an inlet of the residual liquid collector 12 and is used for guiding the evaporated residual liquid to at least the residual liquid collector 12. The bottom surface of the residual liquid collector 12 is provided with an automatic liquid supplementing system 16, and the automatic liquid supplementing system 16 is used for automatically supplementing the saline solution into the protective cover 11. The clamp 7 is used for clamping a sample to be tested, the self-aligning device 6 is used for adjusting the horizontal position of the sample in the clamp 7, and the heating temperature measuring system 13 is used for automatically detecting and heating the temperature in the protective cover 11.
The heating and temperature measuring system 13 includes an electric heater, a temperature sensor and a temperature controller, as shown in fig. 3, the electric heater is used for heating the inside of the protection cover 11, the temperature sensor is used for detecting whether the temperature inside the protection cover is within a preset test temperature threshold, and the temperature controller is used for controlling the electric heater to heat or stop heating the inside of the protection cover 11.
As shown in fig. 1, 4, and 5, the automatic fluid infusion system 16 includes a humidity sensor 161, a humidity controller 162, a solution motor 163, a solution pump 164, and a solution cartridge 165. The input of the humidity sensor 161 is located in the protection cover 11, the output end of the humidity sensor 161 is connected with the input end of the humidity controller 162, the output end of the humidity controller 162 is connected with the solution motor 163, the working end of the solution motor 163 is connected with the rotating shaft of the solution pump 164, the inlet of the solution pump 164 is connected with the solution cylinder 165, the outlet of the solution pump 164 is located in the protection cover 11, and provides a salt solution to the interior of the protection cover 11, wherein the humidity sensor 161 is used for detecting the humidity in the protection cover 11. The automatic control of the environment humidity in the protective cover 11 is realized within a preset humidity threshold value, and the continuous and smooth operation of an evaporation and dripping test is ensured.
As shown in fig. 7, the protection hood 11 includes a left plate 111 and a right plate 112, the left plate 111 is connected to the top of the right plate 112, the left plate 111 and the right plate 112 form a "man" shape, and the bottom of the left plate 111 and the bottom of the right plate 112 are both provided with a diversion trench 113. The left plate 111, the right plate 112 and the diversion groove 113 realize naturally diversion of the evaporated residual liquid.
Specifically, referring to fig. 7, the left plate 111 and the right plate 112 in the present embodiment are both arc-shaped plates. The residual liquid on the left plate 111 and the right plate 112 can flow to the guide groove 113 at a constant speed and is finally collected, and meanwhile, the environmental humidity in the protection cover 11 is indirectly maintained, and the humidity in the protection cover 11 is prevented from being too low.
Specifically, the support leg 1 in this embodiment is an adjustable support leg 1. The specific position of the adjusting device can be adjusted according to the actual field, and the test is ensured to meet the standard requirement of the evaporation and dripping test. The standard requirements here refer to test conditions, test methods and test procedures in the corrosion environment where the sample is located, which are made by relevant organizations or departments during the evaporation and drop test, and are the existing standard requirements, they can be inquired in relevant standards, and during the test, it must be performed according to the standards.
Specifically, as shown in fig. 6, the screw 151 and nut 152 mechanism 15 is sleeved in the electric push rod 9. The electric push rod is driven to rotate, move left and right, and meanwhile, the screw rod 151 and nut 152 mechanism 15 is driven to synchronously rotate, move left and right.
Specifically, the screw rod 151 and nut 152 mechanism 15 includes a screw rod 151 and a nut 152, the nut 152 is sleeved on the screw rod 151, and the right end of the screw rod 151 is sleeved in the electric push rod 9. The structure is stable and firm, and the phenomenon of damage in the process of repeated rotation and left-right movement is reduced.
Specifically, the solution pump 164 is provided with a liquid inlet pipe, which extends into the solution cylinder 165. All the saline solution in the solution cylinder 165 can be extracted, and the waste of the saline solution is avoided.
Specifically, the pushing motor 14 is a servo motor. The system is ensured to stably load, has low noise, high efficiency, high precision, high strength and long service life.
Specifically, the solution cartridge 165 in this embodiment may preferably be a mobile solution cartridge 165. In preparation before the test, the proportioning of the salt solution is required. When the salt solution needs to be prepared, the solution cylinder 165 can be moved, and the prepared salt solution is added into the solution cylinder 165, so that convenience is provided for preparation work in the early stage of the test.
The automatic heating temperature measurement system 13 detects the ambient temperature in the protective cover 11 in real time, and automatically heats or stops heating according to the detected actual temperature, so as to ensure that the ambient temperature of the sample in the protective cover 11 is within a preset temperature threshold value in the test. The automatic solution supplementing system 16 monitors the environmental humidity of the sample in the protective cover 11 in real time, and automatically supplements the saline solution or stops the supplementation of the saline solution to the protective cover 11 at any time according to the actually detected humidity, so as to ensure that the environmental humidity in the protective cover 11 is within a preset humidity threshold value in the test. Through, the guiding gutter 113 that sets up on the protection casing 11 flows into in the raffinate collector 12 with the raffinate of evaporation naturally, realizes the purpose of automatic control temperature, automatic control humidity and automatic collection raffinate to be applicable to and carry out the test of comparison rating based on critical stress size.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the present invention.

Claims (10)

1. The utility model provides a drip evaporation test device for metal corrosion which characterized in that: the device comprises a left vertical plate, a pull rod, a connecting head, an aligning device, a clamp, a transmission flange, an electric push rod, a right vertical plate, a protective cover, a heating and temperature measuring system, a pushing motor, a screw rod and nut mechanism and an automatic liquid supplementing system; the left vertical plate is positioned at the left end of the device, the right vertical plate is positioned at the right end of the device, a distance exists between the left vertical plate and the right vertical plate, two pull rods are arranged between the left vertical plate and the right vertical plate, wherein two ends of one pull rod are respectively connected with the upper part of the left vertical plate and the upper part of the right vertical plate, and two ends of the other pull rod are respectively connected with the lower part of the left vertical plate and the lower part of the right vertical plate; the middle part of the left vertical plate is provided with a stress sensor, the right side surface of the left vertical plate is connected with the left end of the connecting head through a flange, the right end of the connecting head is connected with the left end of the center adjuster, the right end of the center adjuster is connected with the left end of the clamp, the right end of the clamp is connected with the left end of the transmission flange, the right end of the transmission flange is connected with the left end of the screw-nut mechanism, the right end of the screw-nut mechanism is connected with the left end of the electric push rod, the right end of the electric push rod is connected with the working end of the push motor, and the non-working end of the push motor is connected with the left side surface of the right vertical plate; the clamp is provided with a residual liquid collector, the upper part of the residual liquid collector is connected with the upper part of the clamp, the lower part of the residual liquid collector is connected with the lower part of the clamp, the upper part of the residual liquid collector is provided with a protective cover, the protective cover is provided with a flow guide groove, and the flow guide groove is connected with an inlet of the residual liquid collector and is used for guiding the evaporated residual liquid into at least the residual liquid collector; the bottom surface of the residual liquid collector is provided with an automatic liquid supplementing system, and the automatic liquid supplementing system is used for automatically supplementing a salt solution into the protective cover; the clamp is used for clamping a sample to be tested, the aligning device is used for adjusting the horizontal position of the sample in the clamp, and the heating and temperature measuring system is used for automatically detecting and heating the temperature in the protective cover.
2. A drip evaporation test apparatus for metal corrosion according to claim 1, wherein: the automatic liquid supplementing system comprises a humidity sensor, a humidity controller, a solution motor, a solution pump and a solution cylinder; the input of humidity transducer is located in the protection casing, humidity transducer's output with humidity controller's input is connected, humidity controller's output with the solution motor is connected, the work end of solution motor with the pivot of solution pump is connected, the import of solution pump with a solution section of thick bamboo is connected, the export of solution pump is located in the protection casing, to the inside salt solution that provides of protection casing, wherein humidity transducer is used for detecting humidity in the protection casing.
3. A drip evaporation test apparatus for metal corrosion according to claim 1, wherein: the protection casing includes left board and right board, left side board with the top of right side board is connected, left side board with right side board constitution "people" type, the guiding gutter has all been seted up to the bottom of left side board the bottom of right side board.
4. A drip evaporation test apparatus for metal corrosion according to claim 3, wherein: the left plate and the right plate are both arc-shaped plates.
5. A drip evaporation test apparatus for metal corrosion according to claim 1, wherein: still include the stabilizer blade, the stabilizer blade is adjustable stabilizer blade.
6. A drip evaporation test apparatus for metal corrosion according to claim 1, wherein: the screw rod and nut mechanism is sleeved in the electric push rod.
7. The drip evaporation test apparatus for metal corrosion according to claim 6, wherein: the screw rod and nut mechanism comprises a screw rod and a nut, the nut is sleeved on the screw rod, and the right end of the screw rod is sleeved in the electric push rod.
8. A drip evaporation test apparatus for metal corrosion according to claim 2, wherein: the solution pump is provided with a liquid inlet pipe, and the liquid inlet pipe extends into the solution cylinder.
9. A drip evaporation test apparatus for metal corrosion according to claim 1, wherein: the pushing motor is a servo motor.
10. A drip evaporation test apparatus for metal corrosion according to claim 2, wherein: the solution cylinder is movable.
CN202021109559.5U 2020-06-16 2020-06-16 Dripping evaporation test device for metal corrosion Active CN212722529U (en)

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CN202021109559.5U CN212722529U (en) 2020-06-16 2020-06-16 Dripping evaporation test device for metal corrosion

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Application Number Priority Date Filing Date Title
CN202021109559.5U CN212722529U (en) 2020-06-16 2020-06-16 Dripping evaporation test device for metal corrosion

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114112884A (en) * 2021-12-07 2022-03-01 江苏容大材料腐蚀检验有限公司 Detection method for steel corrosion performance under simulated seawater environment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114112884A (en) * 2021-12-07 2022-03-01 江苏容大材料腐蚀检验有限公司 Detection method for steel corrosion performance under simulated seawater environment

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