CN118209236A - Transverse residual stress detection equipment for seamless steel tube - Google Patents
Transverse residual stress detection equipment for seamless steel tube Download PDFInfo
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- CN118209236A CN118209236A CN202410337982.7A CN202410337982A CN118209236A CN 118209236 A CN118209236 A CN 118209236A CN 202410337982 A CN202410337982 A CN 202410337982A CN 118209236 A CN118209236 A CN 118209236A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000005498 polishing Methods 0.000 claims description 34
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 206010063659 Aversion Diseases 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241000353135 Psenopsis anomala Species 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
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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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a seamless steel tube transverse residual stress detection device, which relates to the field of stress detection and comprises a detection platform, an electric cabinet and a plug-in frame, wherein the electric cabinet and the plug-in frame are arranged in the detection platform, a seamless steel tube body is plugged in the outer side of the plug-in frame, a center positioning mechanism is arranged in the seamless steel tube body, and the center positioning mechanism consists of a positioning motor, a bidirectional thread adjusting rod, a first folding rod, a supporting sphere, a second folding rod and a thread adjusting sleeve. This horizontal residual stress check out test set of seamless steel pipe, first folding pole and second folding pole carry out folding in-process and drive its middle part rotatory support spheroid of installing to both sides and remove until all support spheroids all with the whole butt of seamless steel pipe body inner wall for this horizontal residual stress check out test set of seamless steel pipe has been solved and has been examined the platform by the striking, and seamless steel pipe sample can take place to roll the aversion, leads to the problem that seamless steel pipe sample residual stress detects the failure.
Description
Technical Field
The invention relates to the technical field of stress detection, in particular to a device for detecting transverse residual stress of a seamless steel tube.
Background
Seamless steel pipes are steel pipes without joints on the surfaces, according to the production method, seamless steel pipes are divided into hot rolled pipes, cold drawn pipes, extruded pipes, jacking pipes and the like, according to the cross-sectional shape, seamless steel pipes are divided into round pipes and special-shaped pipes, special-shaped pipes are divided into various complex shapes such as square pipes, elliptic pipes, triangular pipes, hexagonal pipes, melon seeds, star-shaped pipes and finned pipes, thick-wall pipes and thin-wall pipes are used according to different purposes, seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemical industry, boiler pipes, bearing pipes and high-precision structural steel pipes for automobiles, tractors and aviation, the seamless steel pipes are subjected to the effects and influences from various processes and the like in the manufacturing process, after the factors disappear, the effects and influences of the seamless steel pipes cannot disappear completely, and part of the effects and influences remain in a component, the residual effects and influences are called residual stress, and the residual stress are important factors causing fatigue and fracture of the steel structure, so the stress deformation state is effectively evaluated to be necessary for early failure prediction of key parts of special equipment.
The method comprises the steps of firstly selecting a plurality of to-be-detected points on the surface of a steel structure, polishing the to-be-detected points, adhering a strain gauge to the polished to-be-detected points by using glue after the to-be-detected points are smooth in surface, welding a plurality of metal connecting wires on the strain gauge by using an electric iron after the to-be-detected points are adhered, electrically connecting the metal connecting wires with detection equipment, and finally drilling holes on the steel structure surface at the corresponding position of the strain gauge by using a drilling machine, so that the steel structure stress is released, the released stress can drive the strain gauge to generate corresponding change, the change can be collected by the detection equipment, and accordingly the stress of the steel structure is reflected correspondingly, but when the stress is detected, a to-be-detected seamless steel pipe sample is directly placed above a detection table, and when the detection table is impacted, the seamless steel pipe sample can generate rolling displacement, so that the detection of the residual stress of the seamless steel pipe sample fails.
Disclosure of Invention
The invention aims to provide a device for detecting transverse residual stress of a seamless steel tube, which aims to solve the problems of the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the equipment for detecting the transverse residual stress of the seamless steel tube comprises a detection platform, an electric cabinet and a splicing frame,
The detection platform internally mounted has electric cabinet and grafting frame, the grafting frame outside is pegged graft and is had seamless steel pipe body, the inside central positioning mechanism that is provided with of seamless steel pipe body, central positioning mechanism comprises positioning motor, two-way screw thread regulation pole, first folding pole, support spheroid, second folding pole and screw thread control cover, positioning motor is installed to one side of detection platform, two-way screw thread regulation pole is installed through the shaft coupling to positioning motor's one end, the grafting frame outside is through connecting block and swivel pin and the one end swivelling joint of first folding pole, the other end of first folding pole has support spheroid and second folding pole through round pin axle swivelling joint, the one end and the screw thread control cover of second folding pole pass through connecting block and swivel pin swivelling joint.
Preferably, the inside swivelling joint of testing platform has first rotary rod and second rotary rod, and first rotary rod is located the second rotary rod below, be provided with rotary mechanism between first rotary rod and the second rotary rod.
Preferably, the rotary mechanism comprises a rotary motor, a driving roller, a belt, a driven roller, a connecting arm, a rotating shaft, a driving wheel, a connecting roller and a connecting belt, wherein the rotary motor is arranged in the detection platform, the driving roller is arranged at one end of the rotary motor through an output shaft, and the outer side of the driving roller is in rotary connection with the driven roller through the belt.
Preferably, the outside swivelling joint of second rotary rod has the linking arm, two swivelling joint has the axis of rotation between the linking arm, the drive wheel is installed in the axis of rotation outside, two sets of the axis of rotation is all installed the connecting roller with the second rotary rod outside.
Preferably, the connecting roller outside has cup jointed the connecting band, the inside stop gear that is provided with of testing platform, stop gear comprises connecting rod, screw thread adjusting ring, adjusting screw, drive roller, drive belt and step motor.
Preferably, the bottom of the connecting arm is rotationally connected with one end of the connecting rod, the other end of the connecting rod is rotationally connected with the threaded adjusting ring, and the middle part of the threaded adjusting ring is in threaded connection with the adjusting screw rod.
Preferably, the screw thread in the adjusting screw outside is two-way screw thread, testing platform internally mounted has step motor, four the shaft coupling outside of adjusting screw bottom and step motor bottom all installs the drive roller, the drive belt has been cup jointed in the drive roller outside.
Preferably, one side of the detection platform is provided with a quick polishing mechanism, and the quick polishing mechanism consists of an electric telescopic rod, a mounting box, a rotating shaft, a driving roller, a driving belt, a polishing disc, a displacement sensor and a polishing motor.
Preferably, the outside of electric telescopic handle is installed mutually with testing platform, the mounting box is installed to one side that electric telescopic handle is close to seamless steel pipe body, the inside bearing frame rotation axis swivelling joint that passes through of mounting box, the driving roller is installed in the rotation axis outside.
Preferably, the driving belt is sleeved on the outer side of the driving roller, the polishing disc is arranged on one side, far away from the bearing seat, of the rotating shaft, the displacement sensors are symmetrically arranged inside the mounting box, the polishing motor is arranged on one side of the mounting box, and the polishing motor is connected with the adjacent rotating shaft through an output shaft.
Compared with the prior art, the invention has the beneficial effects that: this horizontal residual stress check out test set of seamless steel pipe, first folding pole and second folding pole carry out folding in-process and drive its middle part rotatory support spheroid of installation to both sides and remove until all support spheroids all with the whole butt of seamless steel pipe body inner wall, when having solved the test bench by the striking, seamless steel pipe sample can take place the roll and shift, leads to the problem that seamless steel pipe sample residual stress detected the failure.
1. According to the seamless steel tube transverse residual stress detection device, the thread adjusting sleeve moves along two sides of the thread phase, so that the first folding rod and the second folding rod which are rotatably arranged between the thread adjusting sleeve and the splicing frame are driven to fold, the supporting spheres which are rotatably arranged in the middle of the first folding rod and the second folding rod are driven to move towards two sides in the folding process, and the internal supporting limit of the seamless steel tube body can be completed until all the supporting spheres are abutted against the inner wall of the seamless steel tube body;
2. According to the seamless steel tube transverse residual stress detection device, a rotating motor drives a driving roller to rotate through an output shaft, a driven roller is driven to rotate through a belt sleeved on the outer side when the driving roller rotates so as to drive a first rotating rod which is installed with the driven roller to rotate, a connecting roller installed with the first rotating rod and a connecting belt sleeved on the outer side of the connecting roller are driven to rotate when the first rotating rod rotates, a second rotating rod and a rotating shaft are driven to rotate, at the moment, a driving wheel installed on the outer side of the rotating shaft starts to rotate, and a seamless steel tube body abutted with the driving wheel is driven to rotate through friction;
3. This horizontal residual stress check out test set of seamless steel pipe, the motor of polishing passes through the output shaft to drive the rotation axis of installing with it and rotate, and then drive driving roller and the rotation of drive belt of rotation axis outside installation, can drive other rotation axes and rotate when driving roller and drive belt are rotatory, can drive the polishing dish and polish the sample point position of seamless steel pipe body in step when all rotation axes all begin to rotate, can once accomplish polishing of a plurality of sample points, this horizontal residual stress check out test set of seamless steel pipe is provided with quick grinding machanism, can once only polish a plurality of sample points, the operation is high-efficient.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a detection platform according to the present invention;
FIG. 2 is a schematic diagram of the front view of the centering mechanism of the present invention;
FIG. 3 is a schematic top view of a first folding bar of the present invention;
FIG. 4 is a schematic diagram of a front view cross-section structure of the detection platform of the present invention;
FIG. 5 is a schematic top view cross-sectional structure of the centering mechanism of the present invention;
FIG. 6 is a schematic top view cross-sectional structure of the detection platform of the present invention;
fig. 7 is a schematic top view of the limiting motor of the present invention.
In the figure: 1. a detection platform; 101. a seamless steel pipe body; 2. an electric control box; 3. a plug-in frame; 4. a center positioning mechanism; 401. positioning a motor; 402. a bidirectional screw thread adjusting rod; 403. a first folding bar; 404. supporting the sphere; 405. a second folding bar; 406. a thread adjusting sleeve; 5. a first rotating lever; 501. a second rotating lever; 6. a rotation mechanism; 601. a rotating electric machine; 602. a drive roll; 603. a belt; 604. driven roller; 605. a connecting arm; 606. a rotating shaft; 607. a driving wheel; 608. a connecting roller; 609. a connecting belt; 7. a limiting mechanism; 701. a connecting rod; 702. a threaded adjusting ring; 703. adjusting a screw; 704. a driving roller; 705. a drive belt; 706. a stepping motor; 8. a quick polishing mechanism; 801. an electric telescopic rod; 802. a mounting box; 803. a rotation shaft; 804. a driving roller; 805. a transmission belt; 806. polishing the grinding disc; 807. a displacement sensor; 808. and (5) polishing the motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the equipment for detecting the transverse residual stress of the seamless steel tube comprises a detection platform 1, an electric cabinet 2 and a splicing frame 3,
The detection platform 1 internally mounted has electric cabinet 2 and grafting frame 3, grafting frame 3 outside is pegged graft and is had seamless steel pipe body 101, seamless steel pipe body 101 inside is provided with central positioning mechanism 4, central positioning mechanism 4 comprises positioning motor 401, two-way screw thread regulation pole 402, first folding pole 403, support spheroid 404, second folding pole 405 and screw thread regulation cover 406, positioning motor 401 is installed to one side of detection platform 1, two-way screw thread regulation pole 402 is installed through the shaft coupling to positioning motor 401's one end, grafting frame 3 outside is through connecting block and swivel pin and the one end swivelling joint of first folding pole 403, the other end of first folding pole 403 is through round pin axle swivelling joint support spheroid 404 and second folding pole 405, the one end and the screw thread regulation cover 406 of second folding pole 405 pass through connecting block and swivel pin swivelling joint.
In specific implementation, in order to prevent the problem of failure in detecting residual stress caused by rolling deflection of the seamless steel tube body 101 in the detection platform 1, firstly, the seamless steel tube body 101 is spliced with the splicing frame 3 in the detection platform 1, the positioning motor 401 is started by the electric cabinet 2, the positioning motor 401 drives the bidirectional thread adjusting rod 402 to rotate through the shaft coupler, when the bidirectional thread adjusting rod 402 rotates, the bidirectional thread adjusting rod 402 performs a thread action with the thread adjusting sleeve 406 on the outer side, the thread adjusting sleeve 406 is driven to move along two sides of the thread phase, and then the first folding rod 403 and the second folding rod 405 which are rotatably installed between the thread adjusting sleeve 406 and the splicing frame 3 are driven to fold;
the supporting sphere 404 rotatably installed in the middle of the first folding rod 403 and the second folding rod 405 are driven to move to two sides in the folding process of the first folding rod 403 and the second folding rod 405 until all the supporting spheres 404 are abutted against the inner wall of the seamless steel pipe body 101, internal supporting and limiting of the seamless steel pipe body 101 can be completed, the seamless steel pipe bodies 101 with different sizes are limited at the middle of the plugging frame 3, follow-up detection work is facilitated, the seamless steel pipe body 101 is positioned at a certain position through the central positioning mechanism 4, rolling deflection of the seamless steel pipe body 101 in the detection platform 1 is prevented, and accuracy of detection results is improved.
Referring to fig. 3-7, the detection platform 1 is internally rotatably connected with a first rotating rod 5 and a second rotating rod 501, the first rotating rod 5 is located below the second rotating rod 501, a rotating mechanism 6 is disposed between the first rotating rod 5 and the second rotating rod 501, the rotating mechanism 6 is composed of a rotating motor 601, a driving roller 602, a belt 603, a driven roller 604, a connecting arm 605, a rotating shaft 606, a driving wheel 607, a connecting roller 608 and a connecting belt 609, the detection platform 1 is internally provided with the rotating motor 601, one end of the rotating motor 601 is provided with the driving roller 602 through an output shaft, the outer side of the driving roller 602 is rotatably connected with the driven roller 604 through the belt 603, the outer side of the second rotating rod 501 is rotatably connected with the connecting arm 605, a rotating shaft 606 is rotatably connected between the two connecting arms 605, the outer sides of the rotating shaft 606 are provided with the driving wheel 607, and the two groups of the rotating shafts 606 and the outer sides of the second rotating rod 501 are provided with the connecting roller 608.
The connecting roller 608 outside has cup jointed the connecting band 609, the inside stop gear 7 that is provided with of testing platform 1, stop gear 7 comprises connecting rod 701, screw thread adjusting ring 702, adjusting screw 703, drive roller 704, drive belt 705 and step motor 706, the one end swivelling joint of connecting arm 605 bottom and connecting rod 701, the other end and the screw thread adjusting ring 702 swivelling joint of connecting rod 701, screw thread adjusting ring 702 middle part and adjusting screw 703 threaded connection, the screw thread in the outside of adjusting screw 703 is two-way screw thread, testing platform 1 internally mounted has step motor 706, four the drive roller 704 has all been installed in the shaft coupling outside of adjusting screw 703 bottom and step motor 706 bottom, drive belt 705 has been cup jointed in the drive roller 704 outside.
In specific implementation, in order to facilitate a series of operations such as polishing, attaching a strain gauge, welding a metal connecting wire and the like to the positioned seamless steel tube body 101, a stepping motor 706 is started, the stepping motor 706 drives a driving roller 704 installed at the bottom to rotate through a coupler, at the moment, the driving roller 704 drives other driving rollers 704 to rotate through a driving belt 705 sleeved at the outer side, so as to drive an adjusting screw 703 installed in the middle of the driving roller 704 to rotate, the adjusting screw 703 acts on a thread adjusting ring 702 in a threaded manner when rotating, and drives two thread adjusting rings 702 to be close to each other, so that a connecting rod 701 connected with the adjusting screw 703 is driven to pull a connecting arm 605 to rotate downwards until one end of the connecting arm 605 is abutted against the outer wall of the seamless steel tube body 101 through a driving wheel 607 installed through a rotating shaft 606;
After the butt is finished, the rotating motor 601 is started, the rotating motor 601 drives the driving roller 602 to rotate through the output shaft, the belt 603 sleeved on the outer side drives the driven roller 604 to rotate when the driving roller 602 rotates, so that the first rotating rod 5 installed with the driven roller 604 is driven to rotate, the connecting roller 608 installed with the first rotating rod 5 and the connecting belt 609 sleeved on the outer side of the connecting roller 608 are driven to rotate when the first rotating rod 5 rotates, and then the second rotating rod 501 and the rotating shaft 606 are driven to rotate, at the moment, the driving wheel 607 installed on the outer side of the rotating shaft 606 starts to rotate, the seamless steel pipe body 101 abutted with the second rotating rod is driven to rotate through friction, and the positions of polishing, attaching strain gauges and welding metal connecting wires of the seamless steel pipe body 101 can be adjusted.
Referring to fig. 4 and 5, a quick polishing mechanism 8 is disposed on one side of the detection platform 1, the quick polishing mechanism 8 is composed of an electric telescopic rod 801, a mounting box 802, a rotation shaft 803, a driving roller 804, a driving belt 805, a polishing disc 806, a displacement sensor 807 and a polishing motor 808, the electric telescopic rod 801 is mounted on the outer side of the detection platform 1, the mounting box 802 is mounted on one side of the electric telescopic rod 801 close to the seamless steel pipe body 101, the driving roller 804 is mounted on the outer side of the rotation shaft 803 through a bearing seat rotation shaft 803 in a rotating manner, the driving belt 805 is sleeved on the outer side of the driving roller 804, the polishing disc 806 is mounted on one side of the rotation shaft 803 far away from the bearing seat, the displacement sensor 807 is symmetrically mounted inside the mounting box 802, the polishing motor 808 is mounted on one side of the mounting box 802, and the polishing motor 808 is connected with an adjacent rotation shaft 803 through an output shaft.
In specific implementation, the residual stress detection needs to be performed on the surface of the seamless steel tube body 101 for multiple times, each sampling point needs to be polished, a one-by-one polishing mode is time-consuming and labor-consuming, the seamless steel tube body 101 is rotated, the sampling points are rotated to the side close to the electric telescopic rod 801, the electric telescopic rod 801 is started, the electric telescopic rod 801 pushes the mounting box 802 to move to the side where the seamless steel tube body 101 is located until the displacement sensor 807 senses displacement information which is set in advance through the electric cabinet 2, and the displacement information is transmitted to the electric cabinet 2 to control the starting of the polishing motor 808;
The polishing motor 808 drives the rotation shaft 803 mounted with the polishing motor 808 to rotate through the output shaft, and then drives the driving roller 804 and the driving belt 805 mounted outside the rotation shaft 803 to rotate, the driving roller 804 and the driving belt 805 can drive the rest of the rotation shafts 803 to rotate when rotating, and when all the rotation shafts 803 start to rotate, the polishing disc 806 can be driven to synchronously polish the sample points of the seamless steel tube body 101, so that polishing of a plurality of sample points can be completed once.
In summary, when the seamless steel tube transverse residual stress detection device is used, the seamless steel tube body 101 is spliced with the splicing frame 3 inside the detection platform 1, the electric cabinet 2 starts the positioning motor 401 to drive the first folding rod 403 and the second folding rod 405 to fold, the supporting sphere 404 rotatably installed in the middle of the supporting sphere is driven to move to two sides in the folding process until all the supporting spheres 404 are abutted against the inner wall of the seamless steel tube body 101, the stepping motor 706 is started to drive the driving wheel 607 to abut against the outer wall of the seamless steel tube body 101, the rotating motor 601 is started to drive the driving wheel 607 to rotate, the seamless steel tube body 101 abutted against the driving wheel 607 is driven to rotate through friction, and a series of operations such as polishing, attaching a strain gauge, welding a metal connecting wire and the like are facilitated for operators.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The utility model provides a horizontal residual stress check out test set of seamless steel pipe, includes testing platform (1), electric cabinet (2) and grafting frame (3), its characterized in that:
Detection platform (1) internally mounted has electric cabinet (2) and grafting frame (3), grafting frame (3) outside is pegged graft and is had seamless steel pipe body (101), seamless steel pipe body (101) inside is provided with central positioning mechanism (4), central positioning mechanism (4) are by location motor (401), two-way screw thread regulation pole (402), first folding pole (403), support spheroid (404), second folding pole (405) and screw thread regulation cover (406) are constituteed, location motor (401) are installed to one side of detection platform (1), two-way screw thread regulation pole (402) are installed through the shaft coupling to the one end of location motor (401), the one end swivelling joint of connecting block and swivel pin and first folding pole (403) are passed through in the grafting frame (3) outside, the other end of first folding pole (403) is through round pin axle swivelling joint and is supported spheroid (404) and second folding pole (405), the one end of second folding pole (405) is passed through connecting block and swivel pin swivelling joint.
2. A seamless steel pipe transverse residual stress detection apparatus according to claim 1, wherein: the detection platform (1) is internally connected with a first rotating rod (5) and a second rotating rod (501) in a rotating mode, the first rotating rod (5) is located below the second rotating rod (501), and a rotating mechanism (6) is arranged between the first rotating rod (5) and the second rotating rod (501).
3. A seamless steel pipe transverse residual stress detection apparatus according to claim 2, wherein: the rotating mechanism (6) comprises a rotating motor (601), a driving roller (602), a belt (603), a driven roller (604), a connecting arm (605), a rotating shaft (606), a driving wheel (607), a connecting roller (608) and a connecting belt (609), the rotating motor (601) is arranged in the detecting platform (1), the driving roller (602) is arranged at one end of the rotating motor (601) through an output shaft, and the outer side of the driving roller (602) is rotationally connected with the driven roller (604) through the belt (603).
4. A seamless steel pipe transverse residual stress detection apparatus according to claim 2, wherein: the rotary mechanism is characterized in that connecting arms (605) are rotatably connected to the outer sides of the second rotary rods (501), rotary shafts (606) are rotatably connected between the two connecting arms (605), driving wheels (607) are mounted on the outer sides of the rotary shafts (606), and connecting rollers (608) are mounted on the outer sides of the two groups of rotary shafts (606) and the outer sides of the second rotary rods (501).
5. A seamless steel tube transverse residual stress detection apparatus according to claim 4, wherein: connecting roller (608) outside has cup jointed connecting band (609), detecting platform (1) inside is provided with stop gear (7), stop gear (7) are by connecting rod (701), screw thread adjusting ring (702), adjusting screw (703), drive roller (704), drive band (705) and step motor (706) constitution.
6. A seamless steel tube transverse residual stress detection apparatus according to claim 4, wherein: the bottom of the connecting arm (605) is rotationally connected with one end of the connecting rod (701), the other end of the connecting rod (701) is rotationally connected with the threaded adjusting ring (702), and the middle part of the threaded adjusting ring (702) is in threaded connection with the adjusting screw (703).
7. The apparatus for detecting transverse residual stress of seamless steel pipe according to claim 6, wherein: the screw thread in the outside of adjusting screw (703) is two-way screw thread, testing platform (1) internally mounted has step motor (706), four adjusting screw (703) bottom all installs drive roller (704) with the shaft coupling outside of step motor (706) bottom, drive roller (704) outside has cup jointed drive belt (705).
8. A seamless steel tube transverse residual stress detection apparatus according to claim 7, wherein: one side of the detection platform (1) is provided with a quick polishing mechanism (8), and the quick polishing mechanism (8) consists of an electric telescopic rod (801), a mounting box (802), a rotating shaft (803), a driving roller (804), a driving belt (805), a polishing disc (806), a displacement sensor (807) and a polishing motor (808).
9. The seamless steel pipe transverse residual stress detection device according to claim 8, wherein: the electric telescopic rod (801) is installed outside the detection platform (1), an installation box (802) is installed on one side, close to the seamless steel tube body (101), of the electric telescopic rod (801), the installation box (802) is internally connected with the detection platform through a bearing seat rotating shaft (803) in a rotating mode, and a driving roller (804) is installed outside the rotating shaft (803).
10. A seamless steel tube transverse residual stress detection apparatus according to claim 9, wherein: the transmission roller (804) outside has cup jointed driving belt (805), grinding dish (806) are installed to one side that the bearing frame was kept away from to rotation axis (803), displacement sensor (807) are installed to inside symmetry of installation box (802), grinding motor (808) are installed to one side of installation box (802), grinding motor (808) are connected with adjacent rotation axis (803) through the output shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410337982.7A CN118209236A (en) | 2024-03-25 | 2024-03-25 | Transverse residual stress detection equipment for seamless steel tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410337982.7A CN118209236A (en) | 2024-03-25 | 2024-03-25 | Transverse residual stress detection equipment for seamless steel tube |
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| CN118209236A true CN118209236A (en) | 2024-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118362235A (en) * | 2024-06-20 | 2024-07-19 | 陕西省特种设备检验检测研究院 | Automatic welding residual stress detection device and method |
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2024
- 2024-03-25 CN CN202410337982.7A patent/CN118209236A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118362235A (en) * | 2024-06-20 | 2024-07-19 | 陕西省特种设备检验检测研究院 | Automatic welding residual stress detection device and method |
| CN118362235B (en) * | 2024-06-20 | 2024-08-30 | 陕西省特种设备检验检测研究院 | Automatic welding residual stress detection device and method |
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