CN114264591A - Device and method for evaluating corrosion appearance of metal standard part - Google Patents
Device and method for evaluating corrosion appearance of metal standard part Download PDFInfo
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- CN114264591A CN114264591A CN202111589817.3A CN202111589817A CN114264591A CN 114264591 A CN114264591 A CN 114264591A CN 202111589817 A CN202111589817 A CN 202111589817A CN 114264591 A CN114264591 A CN 114264591A
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Abstract
The device comprises a box body, wherein one side, provided with a feed inlet, of the box body is the front side, the box body is divided into an upper cavity and a lower cavity through a first partition plate, the first partition plate is provided with a first opening communicated with the upper cavity and the lower cavity, a first clamping hand used for clamping the head of a bolt, a storage unit used for storing a film, a clamping unit used for clamping the film to wrap the rod part of the bolt, a marking unit used for marking on the film and a cutting unit used for matching the clamping unit to cut the film are arranged in the upper cavity. The invention can automatically finish the evaluation of the corrosion damage grade, the measurement of the area of the rusted bolt and the identification of the rusted area, is simple, visual and easy to count, and saves the labor cost.
Description
Technical Field
The invention relates to the technical field of standard part evaluation, in particular to a device and a method for evaluating corrosion appearance of a metal standard part.
Background
The metal fastening piece is one of the common key parts in the modern engineering structure, the corrosion damage of the metal fastening piece directly affects the safety and the service life of the engineering structure, and the phenomena of peeling, cracking, bulging and the like are easily generated in the surface protection process of the metal standard part under the action of temperature, humidity, corrosive media and the like in the natural environment, so that the mechanical property of the metal standard part is reduced and the safety and the performance of the engineering structure and a product are affected due to further severe corrosion of a base body of the metal standard part. Therefore, the corrosion state of each part of the metal standard component is quickly and accurately evaluated, and the research on the corrosion characteristics of the metal standard component has important significance for maintaining the safety and the functional performance of the engineering structure.
At present, the appearance corrosion observation of the metal standard part mainly depends on manual observation and is influenced by human vision, experience and the like, and the observation result has certain technical and subjective differences, so that certain difficulty is brought to accurate evaluation of the appearance corrosion of the metal standard part. In addition, in the evaluation method, the appearance of the standard part after the exposure experiment is usually checked by visual inspection or a 10X magnifier to estimate the corrosion area ratio and the corrosion characteristics of the substrate, the evaluation method does not evaluate the system of the standard part in different areas, and the evaluation accuracy of the corrosion area and the user details of the use data need to be improved.
There is a need for an intuitive apparatus and method for evaluating the corrosion appearance of a metal standard.
Disclosure of Invention
The invention aims to provide a device and a method for evaluating the corrosion appearance of a metal standard part.
The invention aims to realize the technical scheme that the device for evaluating the corrosion appearance of the metal standard part comprises a box body, wherein one side, provided with a feed inlet, of the box body is the front side, the box body is divided into an upper chamber and a lower chamber through a first partition plate, the first partition plate is provided with a first opening communicated with the upper chamber and the lower chamber, and a first clamping hand used for clamping the head of a bolt, a storage unit used for storing a film, a clamping unit used for clamping the film to wrap the rod part of the bolt, a marking unit used for marking on the film and a cutting unit used for matching with the clamping unit to cut the film are arranged in the upper chamber.
Preferably, the first gripper is mounted on the top wall of the inner side of the upper chamber and located above the first opening.
Preferably, the storage unit comprises a first motor installed on the first partition plate, an output shaft of the first motor points to the top wall of the upper chamber, and a film roller shaft is fixedly connected to the output shaft of the first motor.
Preferably, the clamping unit comprises a chain, the chain is rotatably mounted on the top wall of the upper cavity through a plurality of chain wheels, the chain is positioned above the storage unit, a first clamping hand is surrounded by the motion track of the chain, a plurality of connecting columns are uniformly and fixedly connected onto the chain, the other ends of the connecting columns point to the storage unit, mounting frames are fixedly connected onto the connecting columns, a first sleeve and a second sleeve are rotatably sleeved on the mounting frames, a shifting rod is fixedly connected onto one side, close to the top wall of the upper cavity, of the first sleeve and one side, close to the storage unit, of the second sleeve, a left clamping plate and a right clamping plate which can be matched with a clamping film are fixedly connected onto the other side, close to the storage unit, torsion springs are fixedly connected onto the first sleeve and the second sleeve, and the other ends of the torsion springs are fixedly connected with the mounting frames;
and the top wall in the upper chamber is also fixedly connected with a top block for poking the two poking rods, and the top block is positioned on the action track of the chain and above the storage unit.
Preferably, the cutting unit is positioned between the first gripper and the storage unit and below the clamping unit;
the cutting unit comprises two vertical plates perpendicular to the ground, the two vertical plates are respectively positioned on the left side and the right side of the first clamping hand, square grooves are formed in one sides, close to the first clamping hand, of the two vertical plates, the square columns are slidably positioned in the square grooves, the sliding directions of the square columns point to the first clamping hand, one ends, pointing to the first clamping hand, of the square columns are fixedly connected with a pressing plate, springs are arranged in the square grooves, one ends of the springs are in contact with the bottoms of the square grooves, the other ends of the springs are in contact with the square columns, blades are fixedly connected to one sides, close to the first clamping hand, of the vertical plates, and the distance between the blades and the first clamping hand is larger than the distance between the pressing plate and the first clamping hand;
the cutting unit is characterized by further comprising a first threaded rod and a first slide rod, the first threaded rod and the first slide rod are arranged in parallel, the first threaded rod and the first slide rod are rotatably mounted on the left inner side wall and the right inner side wall of the upper cavity, a second motor is further arranged in the upper cavity, an output shaft of the second motor is fixedly connected with the first threaded rod, the two vertical plates are slidably sleeved on the first slide rod, the two vertical plates are further sleeved on the first threaded rod and are in threaded connection with the first threaded rod, and the moving directions of the two vertical plates on the first threaded rod are opposite.
Preferably, the marking unit comprises a second gripper, the second gripper is mounted on the top wall of the inner side of the upper chamber and located above the first opening, and the second gripper is provided with an image pickup element capable of recognizing rust and a marking pen for marking on the film.
Preferably, be provided with the third tong that is used for centre gripping bolt pole portion on the lower cavity indoor bottom surface, the third tong is located first opening below, and corresponds with first tong, still is provided with the storage platform of placing the film lid on the lower cavity indoor bottom surface, still is provided with the fourth tong that is used for covering the film lid to the bolt head on the lower cavity lateral wall.
A method for evaluating the corrosion appearance of a metal standard part is characterized by comprising the following specific steps:
1) area division: dividing a metal standard part to be evaluated into a head exposed area, a head lower connecting area, a polish rod-thread transition area and a thread area;
2) data acquisition: respectively collecting corrosion area data and corrosion damage type data of a head exposed area, a head lower connecting area, a polish rod-thread transition area and a thread area;
3) constructing an evaluation model: constructing an evaluation model comprising a corrosion area evaluation unit and a corrosion damage type evaluation unit, wherein the corrosion area evaluation unit is divided into 10 grades according to the size of a corrosion area and is represented by a number of 0-10, and the corrosion damage type evaluation unit is divided into 10 classes according to types and is represented by letters A-J;
4) appearance evaluation: inputting the collected corrosion area and the image into an evaluation model, respectively evaluating the corrosion grade and the corrosion area of each data collection area, and forming an appearance evaluation grade by the number of the corrosion area and the letter of the corrosion type.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the invention can automatically finish the evaluation of the corrosion damage grade, the measurement of the area of the rusted bolt and the identification of the rusted area, is simple, visual and easy to count, and saves the labor cost.
2. The left clamping plate and the right clamping plate can bypass the first clamping hand along the movement track of the chain, stretch the film on the rod part of the bolt when returning, and can wrap the circumferential outer wall of the rod part of the bolt by the film in cooperation with the pressing plate of the cutting unit, so that the surface area measurement and the corrosion area measurement are facilitated, the pressing and cutting actions of the cutting unit are coherent, and the structure is simple.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
The drawings of the present invention are described below.
Fig. 1 is an overall schematic view of the present invention.
FIG. 2 is a schematic view of the housing of the present invention.
FIG. 3 is a schematic view of a clamping unit according to the present invention.
Fig. 4 is a schematic view of a top block of the present invention.
Fig. 5 is a schematic view of the left and right splints of the present invention.
Fig. 6 is a schematic view of a cutting unit of the present invention.
FIG. 7 is a schematic view of a platen of the present invention.
FIG. 8 is a standard graph of the corrosion level of the present invention.
FIG. 9 is a standard graph of the type of corrosion damage of the present invention.
FIG. 10 is a cut-away view of a metal standard corrosion area of the present invention.
In the figure: 1. a box body; 2. a feed inlet; 3. a first separator; 4. an upper chamber; 5. a lower chamber; 6. a first opening; 7. a first gripper; 8. a first motor; 9. a film roll shaft; 10. a chain; 11. a sprocket; 12. connecting columns; 13. a mounting frame; 14. a first sleeve; 15. a second sleeve; 16. a deflector rod; 17. a left splint; 18. a right splint; 19. a torsion spring; 20. a top block; 21. a vertical plate; 22. a square groove; 23. a square column; 24. pressing a plate; 25. a spring; 26. a blade; 27. a first threaded rod; 28. a first slide bar; 29. a second gripper; 30. an image pickup element; 31. a marking pen; 32. a third gripper; 33. a storage table; 34. a fourth gripper; 35. a second motor; 36. a head exposed region; 37. a sub-cephalic region; 38. a polished rod area; 39. a polish rod-thread transition region; 40. a threaded region.
Detailed Description
The invention is further illustrated by the following figures and examples.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, 2, 8, 9 and 10, the device for evaluating the corrosion appearance of the metal standard component comprises a box body 1, wherein one side of the box body 1, which is provided with a feed inlet 2, is a front side, the box body 1 is internally divided into an upper chamber 4 and a lower chamber 5 by a first clapboard 3, the first clapboard 3 is provided with a first opening 6 for communicating the upper chamber 4 with the lower chamber 5, the upper chamber 4 is internally provided with a first clamping hand 7 for clamping the head of a bolt, a storage unit for storing a film, a clamping unit for clamping the film to wrap the rod part of the bolt, a marking unit for marking on the film, and a cutting unit for matching the clamping unit to cut the film.
In the embodiment, the bolt is divided into a head exposed area, a head lower connecting area, a polish rod-thread transition area and a thread area;
when the appearance of a rusted bolt needs to be evaluated, a feeding hole is opened, the rusted bolt is placed in a box body, a first clamp clamps the head of the bolt, a under-head connecting area, a polished rod-thread transition area and a thread area are exposed, a marking unit identifies the corrosion damage type of the area, a transparent film is clamped by a clamping unit to wrap the whole rod part surface of the bolt except the head area, a cutting unit is folded to fix the film, and the transparent film is separated by the marking unit, the rust positions and the total area of a lower connecting area of the head of the bolt rod part, a polished rod area, a polished rod-thread transition area and a thread area are marked on the film, the cutting unit cuts the film, the cut film falls off, the film is taken out by opening the feed port, the spread film is the surface area of the screw, and the total area and the corrosion degree of the corrosion can be visually seen according to the marked place;
the invention can automatically finish the evaluation of the corrosion damage grade, the measurement of the area of the rusted bolt and the identification of the rusted area, is simple, visual and easy to count, and saves the labor cost.
As shown in fig. 1 to 2, the first gripper 7 is mounted on the top wall of the inner side of the upper chamber 4 and above the first opening 6.
In this embodiment, but first tong centre gripping bolt cooperation mark unit carries out the work of marking, if the corrosion of screw surface is serious, leads to the transparent film to cover inaccurate, perhaps when not being convenient for mark, but first tong turned angle lets another side turned surface towards the mark unit, marks again, and the overall evaluation of many films again.
As shown in fig. 2, the storage unit comprises a first motor 8 mounted on the first partition 3, and an output shaft of the first motor 8 is directed to the top wall of the upper chamber 4 and is fixedly connected with a film roll shaft 9.
In this embodiment, the first motor is driven to release or retract the transparent film in cooperation with the holding unit.
As shown in fig. 3 to 5, the clamping unit includes a chain 10, the chain 10 is rotatably mounted on the top wall of the upper chamber 4 through a plurality of sprockets 11, the chain 10 is located above the storage unit, the first clamping jaw 7 is surrounded by the movement track of the chain 10, a plurality of connecting posts 12 are uniformly and fixedly connected to the chain 10, the other ends of the connecting posts 12 point to the storage unit, and mounting frames 13 are fixedly connected to the chain 10, a first sleeve 14 and a second sleeve 15 are rotatably sleeved on the mounting frames 13, a shift lever 16 is fixedly connected to one sides of the first sleeve 14 and the second sleeve 15 close to the top wall of the upper chamber 4, a left clamping plate 17 and a right clamping plate 18 which can be matched with clamping films are fixedly connected to the other sides of the first sleeve 14 and the second sleeve 15, torsion springs 19 are further fixedly connected to the first sleeve 14 and the second sleeve 15, and the other ends of the torsion springs 19 are fixedly connected to the mounting frames 13;
the top wall in the upper chamber 4 is also fixedly connected with a top block 20 for poking the two poking rods 16, and the top block 20 is positioned on the action track of the chain 10 and above the storage unit.
In the embodiment, in an initial state, due to the action of a torsion spring, all the left clamping plates and the right clamping plates are in a folded state, when a first clamping hand clamps a bolt and a film needs to be wrapped, at the moment, a group of left clamping plates and right clamping plates clamping the foremost end of the film follow the movement track of a chain, the film is pulled to move through the first clamping hand, when the film moves backwards after bypassing the back of the first clamping hand, the film is stretched on the rod part of the bolt, the chain stops moving temporarily, the cutting unit extrudes and folds the unfolded position of the film, the marking unit marks the rusted position of the film, the cutting unit cuts the film again, and the film with the mark falls off;
when the cutting unit is folded, the first group of left clamping plates and the right clamping plates clamp the foremost end of the film and bypass the first clamping hand, the second group of left clamping plates and the right clamping plates clamp the middle section of the film and do not bypass the first clamping hand, the third group of left clamping plates and the right clamping plates keep an opening state, after the film is cut, the film is changed into three sections, the rear section is still connected to a film roller shaft, the middle section is provided with a prepared corrosion mark and falls, the foremost end of the film becomes waste leftover materials, the first group of left clamping plates and the right clamping plates which originally clamp the foremost end of the film still clamp the waste leftover materials, the second group of left clamping plates and the right clamping plates which originally clamp the middle section of the film become the foremost end, and the third group of left clamping plates and the right clamping plates are folded to clamp the film and become a new middle section;
the chain continues to move, first set of left splint and right splint move to the storage unit top, and the kicking block is dialled two driving levers and is opened, drives first sleeve and second sleeve and rotates, and left splint and right splint open, and the slitter edge leftover bits drop, and left splint and right splint move to the film top of pulling out, and when the driving lever broke away from the kicking block, the torsional spring resets left splint and right splint, held new film middle section position, and multiunit left splint and right splint centre gripping in turn, the cutting unit cutting in cooperation the place ahead.
As shown in fig. 6 to 7, the cutting unit is located between the first gripper and the storage unit, and below the gripping unit;
the cutting unit comprises two vertical plates 21 perpendicular to the ground, the two vertical plates 21 are respectively positioned on the left side and the right side of the first clamping hand 7, square grooves 22 are respectively formed in one sides, close to the first clamping hand 7, of the two vertical plates 21, the square columns 23 are slidably positioned in the square grooves 22, the sliding directions of the square columns all point to the first clamping hand 7, pressing plates 24 are fixedly connected to one ends, pointing to the first clamping hand 7, of the square columns 23, springs 25 are arranged in the square grooves 22, one ends of the springs 25 are in contact with the bottoms of the square grooves 22, the other ends of the springs are in contact with the square columns 23, blades 26 are fixedly connected to one sides, close to the first clamping hand 7, of the vertical plates 21, and the distance between the blades 26 and the first clamping hand 7 is larger than the distance between the pressing plates 24 and the first clamping hand 7;
the cutting unit further comprises a first threaded rod 27 and a first sliding rod 28, the first threaded rod 27 and the first sliding rod 28 are arranged in parallel, the first threaded rod 27 and the first sliding rod 28 are rotatably mounted on the left inner side wall and the right inner side wall of the upper chamber 4, a second motor 35 is further arranged in the upper chamber 4, an output shaft of the second motor 35 is fixedly connected with the first threaded rod 27, two vertical plates 21 are slidably sleeved on the first sliding rod 28, the two vertical plates 21 are further sleeved on the first threaded rod 27 and are in threaded connection with the first threaded rod 27, and the moving directions of the two vertical plates 21 on the first threaded rod 27 are opposite.
In the embodiment, when the second motor is started, the first threaded rod is driven, the first threaded rod drives the two vertical plates to fold, the pressure plates at the front ends of the two vertical plates are firstly pressed together, and the thin film which bypasses the tested bolt and the thin film which does not bypass the tested bolt are folded, so that the thin film is more attached to the surface of the rod part of the bolt, and the marking unit can work conveniently;
after the marking work is finished, the first threaded rod continues to move, the spring is compressed, the two pressing plates are attached and do not act any more, but the square column slides in the square groove, so that the vertical plate can be further closed, the blades on the two sides are closed, and the film is cut.
As shown in fig. 1 to 2, the marking unit includes a second gripper 29, the second gripper 29 is mounted on the top wall of the inner side of the upper chamber 4 and located above the first opening 6, and the second gripper 29 is mounted with an image pickup element 30 capable of recognizing rust and a marking pen 31 for marking on the film.
In the embodiment, the camera element can identify the surface corrosion trace and the corrosion damage type of the bolt head exposed area, the under head connecting area, the polish rod-thread transition area and the thread area, and the second gripper drives the marking pen to mark the corrosion position and area.
As shown in fig. 1 to 2, a third clamping hand 32 for clamping a bolt rod portion is disposed on the bottom surface in the lower chamber 5, the third clamping hand 32 is located below the first opening 6 and corresponds to the first clamping hand 7, a storage platform 33 for placing a film cover is further disposed on the bottom surface in the lower chamber 5, and a fourth clamping hand 34 for covering the film cover on the bolt head portion is further disposed on the sidewall of the lower chamber 5.
In the embodiment, the transparent film is made into a cover shape identical to the shape of the bolt head in advance and is placed on the storage table, after the evaluation of the bolt rod portion is completed, the bolt is placed on the third clamp through the first opening, the third clamp clamps the bolt rod portion to expose the bolt head portion area, the fourth clamp places the film cover on the bolt head portion, the second clamp descends into the lower cavity from the first opening, the cover made of the transparent film is used for conducting corrosion mark marking on the exposed bolt head portion area, after the marking is completed, the feeding hole is opened, and a worker takes out all the films and the covers to conduct evaluation.
A method for evaluating the corrosion appearance of a metal standard part is characterized by comprising the following specific steps:
1) area division: dividing a metal standard part to be evaluated into a head exposed area, a head lower connecting area, a polish rod-thread transition area and a thread area;
2) data acquisition: respectively collecting corrosion area data and corrosion damage type data of a head exposed area, a head lower connecting area, a polish rod-thread transition area and a thread area;
3) constructing an evaluation model: constructing an evaluation model comprising a corrosion area evaluation unit and a corrosion damage type evaluation unit, wherein the corrosion area evaluation unit is divided into 10 grades according to the size of a corrosion area and is represented by a number of 0-10, and the corrosion damage type evaluation unit is divided into 10 classes according to types and is represented by letters A-J;
4) appearance evaluation: inputting the collected corrosion area and the image into an evaluation model, respectively evaluating the corrosion grade and the corrosion area of each data collection area, and forming an appearance evaluation grade by the number of the corrosion area and the letter of the corrosion type.
In this embodiment, the bolt is divided into a head exposed area, a sub-head connection area, a polish rod-thread transition area, and a thread area: the head exposed area comprises a bolt head; the under head connecting area comprises an under head rolling part and an under head polish rod Xmm, and X is 1/15 of the length of the bolt; the polish rod area is from Xmm position of the polish rod below the head to the section contraction position of the polish rod; the polish rod-thread transition area is the area from the polish rod section contraction to the front of the thread area; the threaded zone is the remaining threaded portion.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (8)
1. The utility model provides a device for metal standard corrodes outward appearance evaluation, a serial communication port, the device is including box (1), one side that feed inlet (2) were seted up in box (1) is the front side, separate for last cavity (4) and lower cavity (5) through first baffle (3) in box (1), set up first opening (6) of intercommunication last cavity (4) and lower cavity (5) on first baffle (3), upward be provided with first tong (7) that are used for the centre gripping bolt head in cavity (4), a storage unit for storing the film, a clamping unit that is used for centre gripping film parcel to bolt pole portion, a mark unit that is used for the mark on the film, a cutting unit that is used for cooperating clamping unit cutting film.
2. An apparatus for the assessment of the corrosion appearance of a metal standard according to claim 1, characterized in that the first gripper (7) is mounted on the top wall inside the upper chamber (4) above the first opening (6).
3. An apparatus for the evaluation of the corrosion appearance of metal standard parts according to claim 1, wherein the storage unit comprises a first motor (8) mounted on the first partition (3), the output shaft of the first motor (8) pointing towards the top wall of the upper chamber (4) and being fixedly connected to the film roll shaft (9).
4. The device for evaluating the corrosion appearance of the metal standard component according to claim 1, wherein the clamping unit comprises a chain (10), the chain (10) is rotatably mounted on the top wall of the upper chamber (4) through a plurality of chain wheels (11), the chain (10) is positioned above the storage unit, a first clamping hand (7) is surrounded by a motion track of the chain (10), a plurality of connecting columns (12) are uniformly and fixedly connected to the chain (10), the other ends of the connecting columns (12) point to the storage unit, mounting frames (13) are fixedly connected to the connecting columns, a first sleeve (14) and a second sleeve (15) are rotatably sleeved on the mounting frames (13), a driving lever (16) is fixedly connected to one side, close to the top wall of the upper chamber (4), of the first sleeve (14) and one side, close to the other side of the storage unit, a left clamping plate (17) capable of being matched with a clamping film is fixedly connected to the other side of the storage unit respectively, The right clamping plate (18), the first sleeve (14) and the second sleeve (15) are fixedly connected with torsion springs (19), and the other ends of the torsion springs (19) are fixedly connected with the mounting frame (13);
and the inner top wall of the upper chamber (4) is also fixedly connected with a top block (20) for poking the two poking rods (16), and the top block (20) is positioned on the action track of the chain (10) and above the storage unit.
5. The apparatus for evaluating the corrosion appearance of a metal standard according to claim 1, wherein the cutting unit is located between the first gripper and the storage unit and below the gripping unit;
the cutting unit comprises two vertical plates (21) perpendicular to the ground, the two vertical plates (21) are respectively located on the left side and the right side of a first clamping hand (7), square grooves (22) are formed in one sides, close to the first clamping hand (7), of the two vertical plates (21), a square column (23) can be slidably located in the square grooves (22), the sliding directions of the square columns all point to the first clamping hand (7), a pressing plate (24) is fixedly connected to one end, pointing to the first clamping hand (7), of the square column (23), a spring (25) is arranged in each square groove (22), one end of each spring (25) is in contact with the bottom of the corresponding square groove (22), the other end of each spring is in contact with the corresponding square column (23), a blade (26) is fixedly connected to one side, close to the first clamping hand (7), and the distance between each blade (26) and the first clamping hand (7) is larger than the distance between each pressing plate (24) and the first clamping hand (7);
the cutting unit is still including first threaded rod (27) and first slide bar (28), first threaded rod (27) and first slide bar (28) parallel arrangement, and equal rotatable installation is on inside wall about last cavity (4), it still is provided with second motor (35) in cavity (4) to go up, second motor (35) output shaft and first threaded rod (27) rigid coupling, the equal slidable cover of two risers (21) is established on first slide bar (28), on first threaded rod (27) is still established in two risers (21), and with first threaded rod (27) threaded connection, the direction of motion of two risers (21) on first threaded rod (27) is opposite.
6. An apparatus for evaluating the corrosion appearance of a metal standard according to claim 1, wherein the marking unit comprises a second gripper (29), the second gripper (29) is mounted on the top wall of the inner side of the upper chamber (4) and is located above the first opening (6), and a camera element (30) for recognizing corrosion and a marking pen (31) for marking on the film are mounted on the second gripper (29).
7. The device for evaluating the corrosion appearance of the metal standard component is characterized in that a third clamping hand (32) for clamping the rod part of the bolt is arranged on the inner bottom surface of the lower chamber (5), the third clamping hand (32) is positioned below the first opening (6) and corresponds to the first clamping hand (7), a storage table (33) for placing a film cover is further arranged on the inner bottom surface of the lower chamber (5), and a fourth clamping hand (34) for covering the film cover on the bolt head is further arranged on the side wall of the lower chamber (5).
8. A method for evaluating the corrosion appearance of a metal standard using the apparatus of claim 1, comprising the steps of:
1) area division: dividing a metal standard part to be evaluated into a head exposed area (36), a head lower connecting area (37), a polish rod area (38), a polish rod-thread transition area (39) and a thread area (40), wherein each area can be cut according to the actual structure of a sample;
2) data acquisition: respectively collecting corrosion area data and corrosion damage type data of a head exposed area, a head lower connecting area, a polish rod-thread transition area and a thread area;
3) constructing an evaluation model: constructing an evaluation model comprising a corrosion area evaluation unit and a corrosion damage type evaluation unit, wherein the corrosion area evaluation unit is divided into 10 grades according to the size of a corrosion area and is represented by a number of 0-10, and the corrosion damage type evaluation unit is divided into 10 classes according to types and is represented by letters A-J;
4) appearance evaluation: inputting the collected corrosion area and the image into an evaluation model, respectively evaluating the corrosion grade and the corrosion area of each data collection area, and forming an appearance evaluation grade by the number of the corrosion area and the letter of the corrosion type.
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| CN202111589817.3A CN114264591B (en) | 2021-12-23 | 2021-12-23 | Device and method for evaluating corrosion appearance of metal standard part |
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| CN202111589817.3A CN114264591B (en) | 2021-12-23 | 2021-12-23 | Device and method for evaluating corrosion appearance of metal standard part |
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