CN114674473A - Portable welding seam residual stress detection device and use method - Google Patents
Portable welding seam residual stress detection device and use method Download PDFInfo
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- CN114674473A CN114674473A CN202210175645.3A CN202210175645A CN114674473A CN 114674473 A CN114674473 A CN 114674473A CN 202210175645 A CN202210175645 A CN 202210175645A CN 114674473 A CN114674473 A CN 114674473A
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- 238000001514 detection method Methods 0.000 title claims abstract description 117
- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 239000000523 sample Substances 0.000 claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- 239000007822 coupling agent Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 20
- 210000001503 joint Anatomy 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000003032 molecular docking Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
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Abstract
The invention discloses a portable welding seam residual stress detection device which comprises a handheld telescopic rod, wherein a telescopic end of the handheld telescopic rod is provided with a rotating head, a detection shell is arranged on the rotating head, a first electric push rod is arranged inside the detection shell, a spring seat is arranged at the telescopic end of the first electric push rod, a detection probe for detecting residual stress is installed on the spring seat, an opening for the detection probe to penetrate through is formed in the detection shell, an electromagnetic fixing mechanism arranged around the opening is arranged at the position of the opening of the detection shell, an automatic cleaning mechanism for cleaning a coupling agent on the surface of the detection probe is arranged in the detection shell, and a quantitative smearing mechanism for smearing the coupling agent on the surface of the detection probe is further arranged on the detection shell. The invention can automatically clean the detection probe and coat the couplant, effectively reduces the working strength and improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of stress detection, in particular to a portable welding seam residual stress detection device and a using method thereof.
Background
Residual stress refers to stress that remains in the material interior and balances itself after the various external factors that created the stress are removed. The residual stress directly influences the service performance of the material and also influences the application life of a workpiece in industrial application, so that the residual stress detection is an important testing technology required in engineering and scientific research work; in the manufacturing process of boilers, pressure vessels, pressure pipelines and large nuclear power equipment, residual stress generally exists after cold and hot processing (such as cold rolling, cold bending, cutting, casting, welding and the like). Residual stress has a great influence on structural strength, fracture toughness, and particularly on corrosion resistance and fatigue life of materials, and is caused by residual stress in many failure accidents that have occurred so far. Therefore, the accurate and rapid measurement of the residual stress of the structure and the material has very important significance for the prevention and the treatment of the residual stress; the existing detection of residual stress at the joint of a large pressure container in nuclear power equipment is carried out by manually holding portable detection equipment; however, the conventional portable detection equipment needs to manually and repeatedly coat the couplant on the detection probe of the portable detection equipment during detection, so that the labor intensity is high, and the working efficiency is low. Therefore, the portable device for detecting the residual stress of the welding seam is improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a portable welding seam residual stress detection device which comprises a handheld telescopic rod, wherein a rotating head is arranged at the telescopic end of the handheld telescopic rod, a detection shell is arranged on the rotating head, a first electric push rod is arranged inside the detection shell, a spring seat is arranged at the telescopic end of the first electric push rod, a detection probe for detecting residual stress is installed on the spring seat, an opening for the detection probe to penetrate through is formed in the detection shell, an electromagnetic fixing mechanism arranged around the opening is arranged at the position of the opening of the detection shell, an automatic cleaning mechanism for cleaning a coupling agent on the surface of the detection probe is arranged in the detection shell, and a quantitative smearing mechanism for smearing the coupling agent on the surface of the detection probe is further arranged on the detection shell.
As a preferred technical scheme of the invention, the automatic cleaning mechanism comprises a telescopic push rod transversely arranged on one side of the detection shell, a positioning plate is arranged on the telescopic push rod, a cleaning roller brush for detecting the surface couplant of the probe to be cleaned is arranged on the positioning plate, a driving motor for driving the cleaning roller brush to rotate is arranged on the positioning plate, and a protective cover for covering the telescopic push rod is arranged on the detection shell.
As a preferable technical solution of the present invention, the electromagnetic fixing mechanism includes an electromagnet fixed at an end of the opening and matched with an outer contour of the opening.
As a preferred technical scheme of the present invention, the quantitative smearing mechanism includes a nozzle which is arranged inside the detection housing and smears a coupling agent on the surface of the detection probe, and further includes a quantitative propelling mechanism which is arranged on the detection housing, the quantitative propelling mechanism includes a quantitative propelling tube fixed outside the detection housing, a piston pushing block which moves along an inner cavity of the positioning propelling tube is arranged in the quantitative propelling tube, a discharge tube is arranged at the front end of the quantitative propelling tube, a feed tube is arranged on the quantitative propelling tube, and a second electric push rod is arranged between the quantitative propelling tube and the piston pushing block; the inlet pipe has couplant storage pipe through first pipe connection, just be equipped with one-way feed mechanism on the inlet pipe, the discharging pipe is connected with the shower nozzle through the second pipe, just be equipped with one-way discharge mechanism on the discharging pipe.
As a preferred technical scheme of the present invention, the unidirectional feeding mechanism includes a first docking housing that docks with the feeding pipe, a first feeding cavity is disposed inside the first docking housing, a first feeding hole is disposed on a sidewall of the first feeding cavity, a first positioning frame is disposed inside the first docking housing at a discharging end of the first feeding hole, a first through hole is disposed on the first positioning frame, a first sliding rod that is slidably disposed along the first through hole is disposed in the first through hole, a first stopper that is matched with the first feeding hole is disposed on the first sliding rod, and a first compression spring is disposed between the first stopper and the first positioning frame.
As a preferred technical scheme of the present invention, the unidirectional discharging mechanism includes a second butting housing butted with the discharging pipe, a second feeding cavity is disposed inside the second butting housing, a second feeding hole is disposed on a side wall of the second feeding cavity, a second positioning frame is disposed inside the second butting housing at a discharging end of the second feeding hole, a second through hole is disposed on the second positioning frame, a second sliding rod slidably disposed along the second through hole is disposed in the second through hole, a second plunger block matched with the second feeding hole is disposed on the second sliding rod, and a second compression spring is disposed between the second plunger block and the second positioning frame.
As a preferred technical scheme of the invention, the first feeding hole and the second feeding hole are both tapered holes, and the end part of the first chock block is matched with the first feeding hole; the end of the second plug is matched with the end of the second feeding hole.
As a preferred technical scheme of the present invention, the detection housing is provided with an electrically controlled rotating base, a rotating end of the electrically controlled rotating base is provided with a fixed frame, the nozzle is arranged on the fixed frame, and the electrically controlled rotating base rotates 180 degrees.
The utility model provides a portable welding seam residual stress detection device's application method, when using, the user adjusts the length of the device through handheld telescopic link, and can adjust the turned angle of axis of rotation according to the detection demand, come to adjust the angle of handheld telescopic link and detection casing, it docks to detect casing and welding seam detection area, and carry out the magnetism through electric measurement fixed establishment and fix, when beginning, utilize self-cleaning mechanism to clean the surface of test probe, then ration daub the mechanism scribbles the couplant on the surface of test probe, then first electric putter is flexible will, test probe sends out, and under the elastic conflict effect of spring holder, make test probe and welding seam detection area's surface inseparable contact.
As a preferred technical scheme of the invention, the working method of the automatic cleaning mechanism is that a rotary cleaning roller brush is sent to the surface of the detection probe by extending a telescopic push rod, and the surface of the detection probe is cleaned by the rotary cleaning roller brush; then the work of mechanism is paintd to ration, mainly shrink through second electric putter, it pushes away along the ration propulsion pipe to drive the piston ejector pad, then the in-process ration propulsion pipe inner chamber that pushes away after produces the negative pressure, come to adsorb the couplant, wherein under one-way discharge mechanism's closure, the discharging pipe is temporarily closed, then one-way feed mechanism opens simultaneously, rethread second electric putter extends, it pushes away along the ration propulsion pipe to drive the piston ejector pad, in-process that pushes away in the front, under the opening of one-way discharge mechanism, the discharging pipe is temporarily connected, then one-way feed mechanism closes simultaneously, carry out the ration ejection of compact.
The invention has the beneficial effects that:
this kind of portable welding seam residual stress detection device is when using, the user comes to adjust the device's length through handheld telescopic link, and can adjust the turned angle of axis of rotation according to the detection demand, adjust the angle of handheld telescopic link and detection casing, will detect casing and welding seam detection area and dock, and it is fixed to go on magnetism through electricity measurement fixed establishment, when beginning, utilize self-cleaning mechanism to clean test probe's surface, then the ration is paintd the mechanism and is paintd the couplant on test probe's surface, then first electric putter is flexible will, test probe sees off, and under the elastic conflict effect of spring holder, make test probe and the inseparable contact in surface of welding seam detection area. The working method of the automatic cleaning mechanism is that a rotary cleaning roller brush is fed to the surface of the detection probe by extending a telescopic push rod, and the surface of the detection probe is cleaned by the rotary cleaning roller brush; then the mechanism work is paintd to the ration, mainly shrink through second electric putter, drive the piston ejector pad and promote the pipe back along the ration, then the in-process ration of back promotion promotes the pipe inner chamber and produces the negative pressure, come to adsorb the couplant, wherein under one-way discharge mechanism's closure, the discharging pipe is temporarily closed, then one-way feed mechanism opens simultaneously, rethread second electric putter extends, drive the piston ejector pad and promote along the ration is promoted the pipe forward, in the in-process of promoting forward, one-way discharge mechanism's opening down, the discharging pipe is temporarily connected, then one-way feed mechanism closes simultaneously, carry out the ration ejection of compact.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a portable welding seam residual stress detection device of the present invention;
FIG. 2 is a schematic structural diagram of a quantitative propulsion mechanism of a portable welding seam residual stress detection device of the present invention;
FIG. 3 is a schematic structural diagram of a one-way feeding mechanism of the portable welding seam residual stress detection device of the invention;
FIG. 4 is a schematic structural diagram of a one-way discharging mechanism of the portable welding seam residual stress detection device of the invention;
FIG. 5 is a schematic structural diagram of an automatic cleaning mechanism of the portable welding seam residual stress detection device of the present invention.
In the figure: 1. the telescopic rod is held by hand; 2. rotating the head; 3. detecting the shell; 4. a first electric push rod; 5. a spring seat; 6. detecting a probe; 7. an opening; 8. an electromagnetic fixing mechanism; 9. an automatic cleaning mechanism; 10. a quantitative smearing mechanism; 11. a telescopic push rod; 12. positioning a plate; 13. cleaning the roller brush; 14. a protective cover; 15. an electromagnet; 16. a spray head; 17. a quantitative propulsion mechanism; 18. positioning the propulsion pipe; 19. a piston push block; 20. a discharge pipe; 21. a feed pipe; 22. a second electric push rod; 23. a couplant storage tube; 24. a one-way feeding mechanism; 25. a one-way discharging mechanism; 26. a first docking housing; 27. a first feed chamber; 28. a first feed port; 29. a first positioning frame; 31. a first slide bar; 32. a first plug; 33. a first hold-down spring; 34. a second docking housing; 35. a second feed cavity; 36. a second feed port; 37. a second positioning frame; 39. a second slide bar; 40. a second plug; 41. a second hold-down spring; 42. an electrically controlled rotating base; 43. a fixing frame.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-5, the portable device for detecting residual stress of welding seam of the invention comprises a hand-held telescopic rod 1, the telescopic end of the hand-held telescopic rod 1 is provided with a rotating head 2, the rotating head 2 is provided with a detection shell 3, a first electric push rod 4 is arranged in the detection shell 3, a spring seat 5 is arranged at the telescopic end of the first electric push rod 4, a detection probe 6 for detecting residual stress is arranged on the spring seat 5, an opening 7 for the detection probe 6 to pass through is arranged on the detection shell 3, the detection housing 3 is provided at the opening with an electromagnetic fixing mechanism 8 arranged around the opening 7, an automatic cleaning mechanism 9 for cleaning the coupling agent on the surface of the detection probe 6 is arranged in the detection shell 3, and the detection shell 3 is also provided with a quantitative smearing mechanism 10 for smearing the couplant on the surface of the detection probe 6. When using, the user comes to adjust the length of the device through handheld telescopic link 1, and can adjust the turned angle of axis of rotation according to the detection demand, adjust handheld telescopic link 1 and the angle of detecting casing 3, will detect casing 3 and weld detection zone and dock, and it is fixed to go on magnetism through electric measurement fixed establishment, when beginning, utilize self-cleaning mechanism 9 to clean the surface of test probe 6, then quantitative smearing mechanism 10 paints the couplant on the surface of test probe 6, then first electric putter 4 is flexible will, test probe 6 sends out, and under the elastic conflict effect of spring holder 5, make test probe 6 and the inseparable contact in surface of weld detection zone.
The electromagnetic fixing mechanism 8 comprises an electromagnet 15 which is fixed at the end part of the opening 7 and is matched with the outer contour of the opening 7. Has the characteristics of easy control and operation.
The quantitative smearing mechanism 10 comprises a spray head 16 which is arranged inside the detection shell 3 and smears a coupling agent on the surface of the detection probe 6, and further comprises a quantitative propelling mechanism 17 which is arranged on the detection shell 3, wherein the quantitative propelling mechanism 17 comprises a quantitative propelling pipe 18 which is fixed outside the detection shell 3, a piston propelling block 19 which moves along the inner cavity of the positioning propelling pipe 18 is arranged in the quantitative propelling pipe 18, a discharge pipe 20 is arranged at the front end of the quantitative propelling pipe 18, a feed pipe 21 is arranged on the quantitative propelling pipe 19, and a second electric push rod 22 is arranged between the quantitative propelling pipe 19 and the piston propelling block 19; inlet pipe 21 has couplant storage tube 23 through first pipe connection, just be equipped with one-way feed mechanism 24 on the inlet pipe 21, discharging pipe 20 is connected with shower nozzle 16 through the second pipe, just be equipped with one-way discharge mechanism 25 on the discharging pipe 20. Mainly through the shrink of second electric putter 22, it pushes away along ration propulsion pipe after to drive piston ejector pad 19, then the in-process ration propulsion pipe inner chamber of back pushing produces the negative pressure, come to adsorb the couplant, wherein under one-way discharge mechanism 25's closure, discharging pipe 20 is closed temporarily, then one-way feed mechanism 24 is opened simultaneously, rethread second electric putter 22 extends, it pushes forward along ration propulsion pipe to drive piston ejector pad 19, in-process that pushes forward, under one-way discharge mechanism 25's opening, discharging pipe 20 communicates temporarily, then one-way feed mechanism 24 is closed simultaneously, carry out the ration ejection of compact.
One-way feed mechanism 24 includes the first butt joint casing 26 that docks with inlet pipe 21, the inside of first butt joint casing 26 is equipped with first feeding chamber 27, be equipped with first feed port 28 on the lateral wall of first feeding chamber 27, the inside of first butt joint casing 26 lies in that the discharge end of first feed port 28 is equipped with first locating rack 29, be equipped with first perforation on the first locating rack 29, be equipped with in the first perforation along first perforation slip first slide bar 31 that sets up, be equipped with on the first slide bar 31 with first feed port 28 matched with first chock 32, be equipped with first compression spring 33 between first chock 32 and the first locating rack 29. When not feeding, first chock is under first pressure spring's effect for first chock is embedded into first feed port, closes first feed port, and at the in-process of feeding, under the negative pressure adsorption of ration propulsion pipe inner chamber, the couplant also inwards contradicts the propulsion to first chock 32, thereby makes first chock 32 and first feed port take place to separate, thereby has played the effect of one-way feeding.
The unidirectional discharging mechanism 25 comprises a second butt joint shell 34 butted with the discharging pipe 20, a second feeding cavity 35 is arranged inside the second butt joint shell 34, a second feeding hole 36 is formed in the side wall of the second feeding cavity 35, a second positioning frame 37 is arranged at the discharging end of the second feeding hole 36 inside the second butt joint shell 34, a second through hole is formed in the second positioning frame 37, a second sliding rod 39 which is arranged in the second through hole in a sliding mode is arranged in the second through hole, a second plug block 40 which is matched with the second feeding hole 36 is arranged on the second sliding rod 39, and a second compression spring 41 is arranged between the second plug block 40 and the second positioning frame 37. When not the ejection of compact, the second chock is under second pressure spring's effect for the second chock is embedded into in the second feed port, close the second feed port, and at the in-process of ejection of compact, extend through second electric putter, it advances along quantitative propulsion pipe to drive the piston ejector pad, in-process that advances, quantitative propulsion pipe produces the malleation, then the couplant in the quantitative propulsion pipe outwards contradicts the propulsion to the second chock, thereby make the second chock take place to separate with the second feed port, thereby the effect of one-way ejection of compact has been played.
The first feed hole 28 and the second feed hole 38 are both tapered holes, and the end of the first plug 32 fits into the first feed hole 28; the end of the second plug 40 mates with the end of the second feedhole 36.
The detection shell 3 is provided with an electric control rotating base 42, a fixed frame 43 is arranged at the rotating end of the electric control rotating base 42, the spray head 16 is arranged on the fixed frame 43, and the electric control rotating base 42 rotates for 180 degrees. Utilize self-cleaning mechanism to clean the test probe surface, automatically controlled roating seat 42 drives the shower nozzle rotatory, avoids on the impurity that the cleaning in-process produced falls into the shower nozzle, and plugs up the shower nozzle, when smearing the couplant to test probe 6 surface, automatically controlled roating seat 42 drives the shower nozzle gyration.
When the portable welding seam residual stress detection device is used, a user can adjust the length of the device by holding the telescopic rod 1, adjust the rotating angle of the rotating shaft according to detection requirements, adjust the angles of the holding telescopic rod 1 and the detection shell 3, butt joint the detection shell 3 with a welding seam detection area, and carry out magnetic fixation through an electric measurement fixing mechanism, at the beginning, the surface of the detection probe 6 is cleaned by using the automatic cleaning mechanism 9, then the coupling agent is smeared on the surface of the detection probe 6 by the quantitative smearing mechanism 10, then the first electric push rod 4 stretches and retracts, the detection probe 6 is sent out, and under the elastic interference action of the spring seat 5, the detection probe 6 is in close contact with the surface of the welding seam detection area; mainly through the shrink of second electric putter 22, it pushes away along ration propulsion pipe after to drive piston ejector pad 19, then the in-process ration propulsion pipe inner chamber of back pushing produces the negative pressure, come to adsorb the couplant, wherein under one-way discharge mechanism 25's closure, discharging pipe 20 is closed temporarily, then one-way feed mechanism 24 is opened simultaneously, rethread second electric putter 22 extends, it pushes forward along ration propulsion pipe to drive piston ejector pad 19, in-process that pushes forward, under one-way discharge mechanism 25's opening, discharging pipe 20 communicates temporarily, then one-way feed mechanism 24 is closed simultaneously, carry out the ration ejection of compact.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a portable welding seam residual stress detection device, includes handheld telescopic link (1), the flexible end setting of handheld telescopic link (1) rotates head (2), its characterized in that: be equipped with on rotation head (2) and detect casing (3), the inside of detecting casing (3) is equipped with first electric putter (4), the flexible end of first electric putter (4) is equipped with spring holder (5), install on spring holder (5) and be used for detecting test probe (6) to residual stress, be equipped with on detecting casing (3) and be used for opening (7) that supply test probe (6) to pass, detecting casing (3) are located the opening part and are equipped with electromagnetism fixed establishment (8) around opening (7) setting, be equipped with in detecting casing (3) and be used for test probe (6) surface couplant to advance to carry out clear self-cleaning mechanism (9), still be equipped with on detecting casing (3) and paint mechanism (10) to the ration of couplant is paintd on test probe (6) surface.
2. The portable welding seam residual stress detection device according to claim 1, wherein the automatic cleaning mechanism (9) comprises a telescopic push rod (11) transversely arranged on one side of the detection housing (3), a positioning plate (12) is arranged on the telescopic push rod (11), a cleaning roller brush (13) for detecting a surface coupling agent of the probe (6) to clean is arranged on the positioning plate (12), a driving motor for driving the cleaning roller brush to rotate is arranged on the positioning plate (12), and a protective cover (14) for covering the telescopic push rod (11) is arranged on the detection housing (3).
3. A portable weld seam residual stress detection device according to claim 1, characterized in that the electromagnetic fixing mechanism (8) comprises an electromagnet (15) fixed at the end of the opening (7) and matched with the outer contour of the opening (7).
4. The portable device for detecting the residual stress of the welding seam according to claim 2, characterized in that the quantitative smearing mechanism (10) comprises a nozzle (16) which is arranged inside the detection shell (3) and smears a coupling agent on the surface of the detection probe (6), and further comprises a quantitative propelling mechanism (17) which is arranged on the detection shell (3), the quantitative propelling mechanism (17) comprises a quantitative propelling pipe (18) which is fixed outside the detection shell (3), a piston propelling block (19) which moves along the inner cavity of the positioning propelling pipe (18) is arranged in the quantitative propelling pipe (18), a discharge pipe (20) is arranged at the front end of the quantitative propelling pipe (18), a feed pipe (21) is arranged on the quantitative propelling pipe (19), and a second electric push rod (22) is arranged between the quantitative propelling pipe (19) and the piston propelling block (19); inlet pipe (21) have couplant storage pipe (23) through first pipe connection, just be equipped with one-way feed mechanism (24) on inlet pipe (21), discharging pipe (20) are connected with shower nozzle (16) through the second pipe, just be equipped with one-way discharge mechanism (25) on discharging pipe (20).
5. The portable welding seam residual stress detection device according to claim 4, the one-way feeding mechanism (24) comprises a first butt-joint shell (26) which is in butt joint with the feeding pipe (21), a first feeding cavity (27) is arranged inside the first butt joint shell (26), a first feeding hole (28) is formed in the side wall of the first feeding cavity (27), a first positioning frame (29) is arranged at the discharge end of the first feed hole (28) in the first butt joint shell (26), a first through hole is arranged on the first positioning frame (29), a first sliding rod (31) which is arranged along the first through hole in a sliding manner is arranged in the first through hole, a first stopper (32) matched with the first feeding hole (28) is arranged on the first sliding rod (31), a first pressing spring (33) is arranged between the first plug block (32) and the first positioning frame (29).
6. The portable welding seam residual stress detection device according to claim 5, the one-way discharging mechanism (25) comprises a second butt joint shell (34) which is in butt joint with the discharging pipe (20), a second feeding cavity (35) is arranged inside the second butt joint shell (34), a second feeding hole (36) is arranged on the side wall of the second feeding cavity (35), a second positioning frame (37) is arranged at the discharge end of the second feeding hole (36) in the second butt joint shell (34), a second through hole is arranged on the second positioning frame (37), a second sliding rod (39) which is arranged along the second through hole in a sliding way is arranged in the second through hole, a second chock block (40) matched with the second feeding hole (36) is arranged on the second sliding rod (39), and a second pressing spring (41) is arranged between the second plug block (40) and the second positioning frame (37).
7. The portable welding seam residual stress detection device according to the claim 6, characterized in that, the first feeding hole (28) and the second feeding hole (38) are both conical holes, and the end of the first chock block (32) is matched with the first feeding hole (28); the end of the second plug (40) mates with the end of the second feedhole (36).
8. The portable welding seam residual stress detection device according to claim 4, characterized in that an electric control rotary seat (42) is arranged on the detection shell (3), a fixed frame (43) is arranged on a rotating end of the electric control rotary seat (42), the spray head (16) is arranged on the fixed frame (43), and the electric control rotary seat (42) rotates 180 degrees.
9. The use method of the portable welding seam residual stress detection device is implemented according to any one of claims 1 to 8, and is characterized in that when in use, a user can adjust the length of the device by holding the telescopic rod by hand, can adjust the rotation angle of the rotation shaft according to detection requirements, adjust the angle between the telescopic rod and the detection shell, butt joint the detection shell and a welding seam detection area, and carry out magnetic fixation through an electric measurement fixing mechanism, at the beginning, the surface of the detection probe is cleaned by an automatic cleaning mechanism, then a quantitative smearing mechanism smears a coupling agent on the surface of the detection probe, then the first electric push rod stretches and retracts, the detection probe is sent out, and under the elastic interference effect of the spring seat, the detection probe is in close contact with the surface of the welding seam detection area.
10. The use method of the portable welding seam residual stress detection device according to the implementation claim 9 is characterized in that the automatic cleaning mechanism works by feeding a rotating cleaning roller brush to the surface of the detection probe through the extension of the telescopic push rod, and cleaning the surface of the detection probe by using the rotating cleaning roller brush; then the mechanism work is paintd to the ration, mainly shrink through second electric putter, drive the piston ejector pad and promote the pipe back along the ration, then the in-process ration of back promotion promotes the pipe inner chamber and produces the negative pressure, come to adsorb the couplant, wherein under one-way discharge mechanism's closure, the discharging pipe is temporarily closed, then one-way feed mechanism opens simultaneously, rethread second electric putter extends, drive the piston ejector pad and promote along the ration is promoted the pipe forward, in the in-process of promoting forward, one-way discharge mechanism's opening down, the discharging pipe is temporarily connected, then one-way feed mechanism closes simultaneously, carry out the ration ejection of compact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210175645.3A CN114674473A (en) | 2022-02-25 | 2022-02-25 | Portable welding seam residual stress detection device and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210175645.3A CN114674473A (en) | 2022-02-25 | 2022-02-25 | Portable welding seam residual stress detection device and use method |
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| CN114674473A true CN114674473A (en) | 2022-06-28 |
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| CN202210175645.3A Pending CN114674473A (en) | 2022-02-25 | 2022-02-25 | Portable welding seam residual stress detection device and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN116399953A (en) * | 2023-06-09 | 2023-07-07 | 东鹏博大（天津）实业有限公司 | Detection device and detection method for steel pipe welding seam |
| CN116399953B (en) * | 2023-06-09 | 2023-09-01 | 东鹏博大（天津）实业有限公司 | Detection device and detection method for steel pipe welding seam |
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