CN112067780A - Nondestructive testing method for quality of steel structure engineering - Google Patents
Nondestructive testing method for quality of steel structure engineering Download PDFInfo
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- CN112067780A CN112067780A CN202010986856.6A CN202010986856A CN112067780A CN 112067780 A CN112067780 A CN 112067780A CN 202010986856 A CN202010986856 A CN 202010986856A CN 112067780 A CN112067780 A CN 112067780A
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Abstract
The invention relates to a nondestructive testing method for the quality of steel structure engineering, which adopts a nondestructive testing device for the steel structure engineering, wherein the nondestructive testing device for the steel structure comprises an upper support plate, a side support plate, a drawing elastic column, a movable support plate, a movable wheel and a testing mechanism; the method for nondestructive testing of the quality of the steel structure engineering by adopting the steel structure nondestructive testing device comprises the following steps: s1, placing a steel structure beam; s2, positioning an upper supporting plate; s3, locking the detection head; and S4, detecting the beam. The invention can solve the problems existing in the prior steel structure beam in nondestructive detection: the crossbeam of steel construction needs the manual work to hold the detection head and detect it, because the length of crossbeam is longer and have a take the altitude, causes artificial amount of labour great, detects inconveniently, and the manual work is examined time measuring the crossbeam different positions, detects the height that the head can't keep same height to influence the detection effect scheduling problem of steel construction crossbeam.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a nondestructive testing method for the quality of steel structure engineering.
Background
The nondestructive detection of the steel structure is to detect whether defects or non-uniformity exist in the steel structure by using the characteristics of sound, light, magnetism, electricity and the like on the premise of not damaging or influencing the service performance of the steel structure, give information such as the size, position, property, quantity and the like of the defects, and further judge the technical state of the steel structure.
Nondestructive testing of a steel structure mainly comprises: ultrasonic detection, ray detection, magnetic powder detection and penetration detection are widely applied, wherein the ultrasonic detection is convenient and quick, and has the advantages of no harm to workers and the like; the crossbeam in the steel construction has certain height because of its welding on supporting the foundation, and the side need carry out the welding of stand to the crossbeam of steel construction exists when carrying out the not damaged detection as follows:
the crossbeam of steel construction needs the manual work to hold the detection head and detect it, because the length of crossbeam is longer and have a take the altitude, causes artificial amount of labour great, detects inconveniently, and the manual work is examined time measuring to the crossbeam different positions, and the height that detects the head can't keep same height to influence the detection effect of steel construction crossbeam, the detection head carries out the precision that detects to the solder joint on the crossbeam relatively poor.
Disclosure of Invention
In order to solve the problems, the invention provides a nondestructive testing method for the quality of steel structure engineering, which adopts a nondestructive testing device for the steel structure, the nondestructive testing device for the quality of the steel structure engineering comprises an upper support plate, side support plates, a drawing elastic column, a movable support plate, movable wheels and a testing mechanism, wherein the bottom of the upper support plate is symmetrically provided with two side support plates along the width direction thereof, each side support plate is connected with the drawing elastic column in a sliding fit manner, the inner end of the drawing elastic column is provided with the movable support plate, the inner side surface of the movable support plate is uniformly provided with the movable wheels along the length direction thereof, the movable wheels are vertically arranged, the middle part of the upper side surface of the upper support plate is provided with the testing mechanism, the nondestructive testing device can be sleeved on a cross beam of a steel structure and can move on the cross beam, so that the testing device can automatically and, the device comprises a beam, a drawing elastic column, a movable wheel, a beam detection head, a drawing elastic column, a detection mechanism and a detection mechanism, wherein the beam detection head is arranged on the beam, the drawing elastic column is arranged on the beam, the movable wheel is arranged on the beam, the detection mechanism is arranged on the beam, the movable wheel is connected with the drawing elastic column, the drawing elastic column is arranged on the beam, the detection mechanism is arranged on the beam, the drawing elastic column is arranged.
The detection mechanism comprises a detection supporting column arranged at the top of the upper supporting plate, the detection supporting column is of an L-shaped structure, two detection pressure columns which are vertically arranged are distributed on the outer edge of the upper end of the detection supporting column, the lower end of each detection pressure column is of a telescopic structure, an ear seat is arranged at one end, close to the detection supporting column, of the upper end of each detection pressure column, the upper end of each detection supporting column is arranged between the ear seats through a pin shaft, and a clamping plate is connected between the telescopic ends of the detection pressure columns;
the middle part of the clamping plate is provided with a clamping groove, clamping sleeves are symmetrically arranged in the clamping groove, the tops of two detection pressure columns are provided with an upper connecting plate, the top of each detection support column is provided with a square groove, an electric push rod is arranged between the side surface of the upper connecting plate close to the detection support column and the side wall of the square groove far away from the detection pressure column through a hinge, the detection pressure column is in a vertical state when the electric push rod is in a limit extension position, during the specific work, a detection mechanism can clamp and lock a beam detection head, firstly, the detection end of the detection head is downwards placed into the clamping groove, the clamping sleeve can lock the position of the detection head, so that the detection head can carry out nondestructive detection on the upper side surface of a beam when the detection device moves, when the detection device is in contact with an upright column above the beam, the detection pressure column and the upper connecting plate can be driven to rotate through the contraction motion of the electric push rod, the detection head locked on the clamping sleeves can, the detection head can detect the welding spots between the cross beam and the stand column, and when the detection compression leg rotates, the telescopic structure at the lower end of the detection compression leg can automatically stretch so that the detection compression leg is attached to the joint position of the cross beam and the stand column all the time, so that the welding spots between the detection head and the cross beam and the stand column keep the same distance, and the detection effect of the invention on the welding spots between the cross beam and the stand column is improved.
The bottom of the upper support plate is symmetrically provided with two sliding grooves along the length direction of the upper support plate, sliding rollers are uniformly arranged in each sliding groove along the length direction of the upper support plate, and the sliding rollers can roll in a matched manner when the sliding device moves, so that the moving smoothness of the sliding device is increased.
The method for nondestructive testing of the quality of the steel structure engineering by adopting the steel structure nondestructive testing device comprises the following steps:
s1, placing a steel structure beam: firstly, placing a beam of a steel structure on a supporting bottom column, welding a connecting position between an upright column arranged at the upper end of the beam of the steel structure and the beam of the steel structure, and cleaning welding spots and welding slag on the beam of the steel structure;
s2, positioning an upper supporting plate: firstly, manually pulling the drawing elastic column outwards to enable the position of the moving wheel to correspond to the middle position of the cross beam, removing external force, enabling the moving wheel to be symmetrically clamped on the side surface of the middle part of the cross beam under the action of restoring force of the drawing elastic column, enabling the middle position of the upper support plate to correspond to the middle position of the transverse top, and enabling the sliding roller to abut against the top of the cross beam;
s3, locking the detection head: after the upper supporting plate is positioned, the beam detection head is locked downwards through a clamping sleeve in a clamping groove, so that a proper detection interval is formed between the detection head and the upper side surface of the beam, the detection head is connected with a detection host machine through a transmission line, and the detection host machine is manually held;
s4, beam detection: the detection mechanism comprises a support plate, a movable wheel, an electric push rod, a detection mechanism, a detection host, a detection mechanism and a detection mechanism, wherein the movable wheel is controlled to move on the side face of the middle part of the cross beam so as to drive the upper support plate to move synchronously, the detection head on the upper support plate can detect the upper side face of the cross beam, the detection host which is manually held can see the detection result of the cross beam, and when the detection mechanism is in contact with an upright post installed at the upper end of the cross beam, the contraction motion of the electric push rod enables the detection.
As a preferred technical scheme of the invention, the bottom of the movable support plate is provided with a bonding frame with a U-shaped structure, the opening of the bonding frame is arranged inwards, the bonding support plates are distributed in the U-shaped structure of the bonding frame, the positions of the bonding support plates correspond to the positions of the sliding grooves, the top of each bonding support plate is uniformly provided with bonding rollers along the length direction of the bonding support plate, and the bonding rollers on the bonding support plates can be bonded on the lower side surface of the cross beam, so that the stability of the invention is improved.
As a preferred technical scheme, the bottom of the attaching support plate is connected with the upper end of an adjusting bolt through a bearing, the middle of the adjusting bolt is connected with the lower side edge of the attaching frame in a threaded fit mode, two attaching connecting columns are mounted on the bottom of the attaching support plate and symmetrically distributed on two sides of the adjusting bolt, the lower ends of the attaching connecting columns penetrate through the lower side edge of the attaching frame, the adjusting bolt is manually rotated to drive the attaching support plate to carry out height adjustment, so that the invention can detect beams with different distances between the upper side surface and the lower side surface, the applicability of the invention is increased, the attaching roller can be attached to the lower side surface of the beam through adjustment of the adjusting bolt, the invention cannot shake up and down when moving, and the stability of the invention is increased.
As a preferred technical scheme of the invention, the bottom of the detection pressure column is of an arc-shaped structure, and the arc-shaped structure at the bottom of the detection pressure column can smoothly rotate when the electric push rod performs contraction motion, so that the detection pressure column is prevented from abutting against the side surface of the upright column to prevent the upright column from being incapable of rotating.
As a preferred technical scheme of the invention, the inner side surface of the telescopic end of the detection compression leg positioned at one end of the upper connecting plate is provided with a dovetail-shaped structure adjusting sliding groove, the inner side surface of the telescopic end of the detection compression leg positioned at the other end of the upper connecting plate is vertically and uniformly provided with insertion holes, the side surface of the clamping plate corresponding to the adjusting sliding groove is provided with a dovetail slide block, the side surface of the clamping plate corresponding to the insertion holes is provided with an L-shaped structure locking groove, the inner wall of the locking groove is provided with a locking rod through an insertion spring, the tail end of the locking rod is inserted in the insertion holes, and the clamping plate, the locking rod is locked in the jack by pulling the locking rod outwards, the clamping plate can move up and down, so that the locking rod can be locked in the jack with proper height, in this way, the distance between the detection head and the cross beam can be adjusted, so that the detection effect of the detection head on the cross beam is increased.
As a preferable technical scheme of the invention, the top of one end of the locking rod connected with the inserting spring is provided with a push-pull block, the upper end of the push-pull block passes through the locking groove, and the push-pull block is pulled to drive the locking rod to move.
According to a preferred technical scheme, the clamping sleeve is of an arc-shaped structure, the inner side face of the clamping sleeve is provided with the cushion pad made of flexible materials, the opposite side faces of the clamping sleeve are symmetrically provided with the elastic sliding blocks, one end, far away from the clamping sleeve, of each elastic sliding block is connected with the corresponding clamping groove in a sliding fit mode, the top of the clamping sleeve is provided with the poking body, the upper end of each poking body inclines outwards, the clamping sleeve can move outwards by pulling the poking body outwards, so that the detection head can be placed between the clamping sleeves, and the cushion pad in the clamping sleeve can clamp the detection head with a certain force under the action of the elastic sliding blocks.
As a preferable technical scheme of the invention, the height of one end of the electric push rod connected with the square groove is lower than that of the pin shaft connected with the lug seat, the arrangement can increase the rotation angle of the upper connecting plate, the vertical distances between the left side surface of the upper connecting plate and the plane where the lower end of the detection pressure column is located and the axial lead of the pin shaft connected with the lug seat are equal, and the arrangement enables the detection pressure column to smoothly rotate along the cross beam and the stand column when the electric push rod performs contraction movement.
The invention has the beneficial effects that:
the invention can be stably clamped on the upper side surface and the lower side surface of a steel structure beam, and can be driven to move by the movement of a moving wheel attached to the side surface of the beam, so that a locked detection head can detect the upper side surface of the beam or a welding spot between the beam and an upright post, and the height of the detection head can be adjusted so as to increase the detection precision of the beam;
the moving wheel of the invention is propped against the side surface of the middle part of the cross beam with a certain force under the action of the drawing elastic column, so that the moving of the moving wheel can drive the invention to move synchronously;
the detection mechanism can clamp and lock the beam detection head, and the contraction motion of the electric push rod can drive the detection head to synchronously rotate along with the detection compression column, so that the detection head can detect welding spots between the beam and the stand column;
the height of the laminating support plate can be driven to be adjusted through manual rotation of the adjusting bolt, so that the cross beam with different distances between the upper side and the lower side can be detected, the applicability of the invention is improved, the laminating roller can be attached to the lower side of the cross beam through adjustment of the adjusting bolt, the invention is not shaken up and down when moving, and the stability of the invention is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of a first configuration of the present invention;
FIG. 3 is a second schematic structural view of the present invention;
FIG. 4 is a schematic view of the present invention with the detection mechanism removed;
FIG. 5 is a schematic view of the structure of the detecting mechanism of the present invention;
FIG. 6 is a schematic structural view of the detecting pressing column, the clamping plate, the clamping groove, the clamping sleeve and the upper connecting plate according to the present invention;
FIG. 7 is a cross-sectional view of the detecting plunger, the clamping plate, the clamping groove and the clamping sleeve of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in figures 2 to 7, the nondestructive testing method for the quality of the steel structure engineering adopts a nondestructive testing device for the steel structure, the nondestructive testing device for the quality of the steel structure comprises an upper support plate 1, side support plates 2, a drawing elastic column 3, a movable support plate 4, movable wheels 5 and a testing mechanism 6, the bottom of the upper support plate 1 is symmetrically provided with the two side support plates 2 along the width direction, each side support plate 2 is connected with the drawing elastic column 3 in a sliding fit manner, the inner end of the drawing elastic column 3 is provided with the movable support plate 4, the inner side surface of the movable support plate 4 is uniformly provided with the movable wheels 5 along the length direction, the movable wheels 5 are vertically arranged, the middle part of the upper side surface of the upper support plate 1 is provided with the testing mechanism 6, the nondestructive testing device can be sleeved on a cross beam of the steel structure and can move on the cross beam, so that the nondestructive testing device can automatically detect the cross beam, firstly, the drawing elastic column 3 is pulled outwards, so that the lower side surface of the upper support plate 1 can be abutted against the upper side surface of the cross beam, then the drawing elastic column 3 is loosened, the moving wheel 5 has certain force to abut against the side surface of the middle part of the cross beam under the action of the drawing elastic column 3, then the cross beam detection head is clamped and locked through the detection mechanism 6, and the moving wheel 5 can move along the length direction of the cross beam so as to carry out nondestructive detection on the cross beam.
The bottom of the upper supporting plate 1 is symmetrically provided with two sliding grooves 11 along the length direction, sliding rollers 12 are uniformly arranged in each sliding groove 11 along the length direction, and the sliding rollers 12 can roll in a matching manner when the invention moves, so that the moving smoothness of the invention is increased.
The bottom of the movable support plate 4 is provided with a bonding frame 41 with a U-shaped structure, the opening of the bonding frame 41 is arranged inwards, bonding support plates 42 are distributed in the U-shaped structure of the bonding frame 41, the positions of the bonding support plates 42 correspond to the positions of the sliding grooves 11, bonding rollers 43 are uniformly arranged on the tops of the bonding support plates 42 along the length direction of the bonding support plates, and the bonding rollers 43 on the bonding support plates 42 can be bonded on the lower side surface of the cross beam, so that the stability of the invention is improved.
The bottom of the attaching support plate 42 is connected with the upper end of an adjusting bolt 44 through a bearing, the middle of the adjusting bolt 44 is connected with the lower side edge of the attaching frame 41 in a threaded fit mode, two attaching connecting columns 45 are mounted on the bottom of the attaching support plate 42, the attaching connecting columns 45 are symmetrically distributed on two sides of the adjusting bolt 44, the lower ends of the attaching connecting columns 45 penetrate through the lower side edge of the attaching frame 41, the attaching support plate 42 can be driven to carry out height adjustment through manual rotation of the adjusting bolt 44, so that the invention can detect cross beams with different distances between the upper side surface and the lower side surface, the applicability of the invention is increased, the attaching roller 43 can be attached to the lower side surface of the cross beam through adjustment of the adjusting bolt 44, the invention cannot shake up and down during movement, and the stability of the invention is increased.
The detection mechanism 6 comprises a detection support post 61 arranged at the top of the upper support plate 1, the detection support post 61 is of an L-shaped structure, two detection pressure posts 62 which are vertically arranged are distributed on the outer edge of the upper end of the detection support post 61, the lower end of each detection pressure post 62 is of a telescopic structure, an ear seat 63 is arranged at one end, close to the detection support post 61, of the upper end of each detection pressure post 62, the upper end of the detection support post 61 is arranged between the ear seats 63 through a pin shaft, and a clamping plate 64 is connected between the telescopic ends of the detection pressure posts 62;
the middle part of the clamping plate 64 is provided with a clamping groove 65, clamping sleeves 66 are symmetrically arranged in the clamping groove 65, upper connecting plates 67 are mounted on the tops of the two detection pressure columns 62, a square groove 68 is arranged on the top of the detection support column 61, an electric push rod 69 is mounted between the side surface of the upper connecting plate 67 close to the detection support column 61 and the side wall of the square groove 68 far away from the detection pressure column 62 through a hinge, the detection pressure column 62 is in a vertical state when the electric push rod 69 is in a limit extension position, the bottom of the detection pressure column 62 is of an arc-shaped structure, the arc-shaped structure at the bottom of the detection pressure column 62 can smoothly rotate when the electric push rod 69 performs contraction motion, and the detection pressure column 62 is prevented from abutting against the side surface of the stand column to cause the; when the detection device works specifically, the detection mechanism 6 can clamp and lock the beam detection head, firstly, the detection end of the detection head is placed into the clamping groove 65 downwards, the clamping sleeve 66 can lock the position of the detection head, so that the detection head can perform nondestructive detection on the upper side surface of the beam when the detection device moves, when the detection device is in contact with the upright column above the beam, the detection pressure column 62 and the upper connecting plate 67 can be driven to rotate by the contraction motion of the electric push rod 69, the detection head locked on the clamping sleeve 66 can synchronously rotate along with the detection pressure column 62, so that the detection head can detect welding spots between the beam and the upright column, when the detection pressure column 62 rotates, the telescopic structure at the lower end of the detection pressure column 62 can automatically telescope, so that the detection pressure column 62 is always attached to the joint position of the beam and the upright column, and the welding spots between the detection head and the beam and the upright column can keep the same distance, the detection effect of the invention on the welding spot between the cross beam and the upright post is increased.
An adjusting sliding groove 641 with a dovetail structure is arranged on the inner side surface of the telescopic end of the detection compression leg 62 at one end of the upper connecting plate 67, inserting holes 642 are vertically and uniformly arranged on the inner side surface of the telescopic end of the detection compression leg 62 at the other end of the upper connecting plate 67, a dovetail sliding block 643 is arranged on the side surface of the clamping plate 64 corresponding to the adjusting sliding groove 641, a locking groove 644 with an L-shaped structure is arranged on the side surface of the clamping plate 64 corresponding to the inserting hole 642, a locking rod 646 is arranged on the inner wall of the locking groove 644 through an inserting spring 645, the tail end of the locking rod 646 penetrates into the inserting hole 642, the clamping plate 64 can adjust the height, the locking rod 646 is locked in the inserting hole 642 by pulling the locking rod 646 outwards, the clamping plate 64 can move up and down, so that the locking rod 646 can be locked in the inserting hole 642 with the proper, so as to increase the detection effect of the detection head on the beam.
The top of one end of the locking lever 646 connected with the plug-in spring 645 is provided with a push-pull block 647, the upper end of the push-pull block 647 passes through the locking groove 644, and the locking lever 646 can be driven to move by pulling the push-pull block 647.
The centre gripping cover 66 be the arc structure, be provided with the blotter of flexible material on the medial surface of centre gripping cover 66, the symmetry is installed on the face of the back of the body that backs on of centre gripping cover 66 and is moved the slider 661, the one end that the centre gripping cover 66 was kept away from to the slider 661 of bullet is connected through sliding fit's mode with centre gripping groove 65, be provided with the upper end toggle body 662 that leans out on the top of centre gripping cover 66, toggle body 662 can make centre gripping cover 66 outwards remove through outwards pulling, so that the detection head can be put into between the centre gripping cover 66, the effect that makes the blotter in the centre gripping cover 66 can have the detection head of certain dynamics and carry out the clamping action through the slider 661 of bullet.
The height of the end, connected with the square groove 68, of the electric push rod 69 is lower than the height of a pin shaft connected to the lug seat 63, the rotation angle of the upper connecting plate 67 can be increased through the arrangement, the vertical distance between the left side surface of the upper connecting plate 67 and the plane where the lower end of the detection pressure column 62 is located and the axial line of the pin shaft connected to the lug seat 63 is equal, and the arrangement enables the detection pressure column 62 to smoothly rotate between the cross beam and the stand column when the electric push rod 69 contracts.
As shown in FIG. 1, the method for nondestructive testing of the quality of the steel structure engineering by adopting the steel structure nondestructive testing device comprises the following steps:
s1, placing a steel structure beam: firstly, placing a beam of a steel structure on a supporting bottom column, welding a connecting position between an upright column arranged at the upper end of the beam of the steel structure and the beam of the steel structure, and cleaning welding spots and welding slag on the beam of the steel structure;
s2, positioning the upper support plate 1: firstly, manually pulling the drawing elastic column 3 outwards to enable the position of the moving wheel 5 to correspond to the middle position of the cross beam, removing external force, enabling the moving wheel 5 to be symmetrically clamped on the side surface of the middle part of the cross beam under the action of restoring force of the drawing elastic column 3, enabling the middle position of the upper support plate 1 to correspond to the middle position of the transverse top, and enabling the sliding roller 12 to abut against the top of the cross beam;
s3, locking the detection head: after the upper support plate 1 is positioned, the beam detection head is locked downwards through a clamping sleeve 66 in a clamping groove 65, so that the detection head and the upper side surface of the beam are at a proper detection interval, the detection head is connected with a detection host machine through a transmission line, and the detection host machine is manually held;
s4, beam detection: firstly, the movable wheel 5 is controlled to move on the side surface of the middle part of the cross beam so as to drive the upper support plate 1 to synchronously move, the detection head on the upper support plate 1 can detect the upper side surface of the cross beam, a detection host held manually can see the detection result of the cross beam, when the detection mechanism 6 is contacted with an upright post installed at the upper end of the cross beam, the detection head can detect welding spots between the cross beam and the upright post through the contraction motion of the electric push rod 69, the arc-shaped structure at the bottom of the detection pressure post 62 can smoothly rotate when the electric push rod 69 performs the contraction motion, the detection pressure post 62 is prevented from abutting against the side surface of the upright post so as not to rotate, when the detection pressure post 62 rotates, the telescopic structure at the lower end of the detection pressure post 62 can automatically stretch so as to facilitate the detection pressure post 62 to always fit at the joint position between the cross beam and the upright post, so that the welding spots between the detection head and the cross, the detection effect of the invention on the welding spot between the cross beam and the upright post is increased.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The steel structure engineering quality nondestructive testing method adopts the following steel structure nondestructive testing device, and the steel structure nondestructive testing device comprises an upper support plate (1), a side support plate (2), a drawing elastic column (3), a movable support plate (4), a movable wheel (5) and a testing mechanism (6), and is characterized in that: the bottom of the upper support plate (1) is symmetrically provided with two side support plates (2) along the width direction, each side support plate (2) is connected with a drawing bullet column (3) in a sliding fit mode, the inner end of each drawing bullet column (3) is provided with a movable support plate (4), the inner side surface of each movable support plate (4) is uniformly provided with movable wheels (5) along the length direction, the movable wheels (5) are vertically arranged, and the middle part of the upper side surface of the upper support plate (1) is provided with a detection mechanism (6); wherein:
the detection mechanism (6) comprises a detection supporting column (61) arranged at the top of the upper support plate (1), the detection supporting column (61) is of an L-shaped structure, two detection pressing columns (62) which are vertically arranged are distributed on the outer edge of the upper end of the detection supporting column (61), the lower end of each detection pressing column (62) is of a telescopic structure, an ear seat (63) is arranged at one end, close to the detection supporting column (61), of the upper end of each detection pressing column (62), the upper end of each detection supporting column (61) is arranged between the ear seats (63) through a pin shaft, and a clamping plate (64) is connected between the telescopic ends of the detection pressing columns (62);
a clamping groove (65) is formed in the middle of the clamping plate (64), clamping sleeves (66) are symmetrically arranged in the clamping groove (65), upper connecting plates (67) are mounted on the tops of the two detection pressure columns (62), a square groove (68) is formed in the top of each detection pressure column (61), and an electric push rod (69) is mounted between the side face, close to the detection pressure column (61), of each upper connecting plate (67) and the side wall, far away from the detection pressure column (62), of each square groove (68) through a hinge;
the bottom of the upper support plate (1) is symmetrically provided with two sliding grooves (11) along the length direction, and sliding rollers (12) are uniformly arranged in each sliding groove (11) along the length direction;
the method for nondestructive testing of the quality of the steel structure engineering by adopting the steel structure nondestructive testing device comprises the following steps:
s1, placing a steel structure beam: firstly, a beam of a steel structure is placed on a supporting bottom column, a connecting position between an upright column arranged at the upper end of the beam of the steel structure and the beam of the steel structure is welded, and then welding spots and welding slag on the beam of the steel structure and the upright column are cleaned;
s2, positioning an upper support plate (1): firstly, manually pulling the drawing elastic column (3) outwards to enable the position of the moving wheel (5) to correspond to the middle position of the cross beam, removing external force, enabling the moving wheel (5) to be symmetrically clamped on the side surface of the middle part of the cross beam under the action of restoring force of the drawing elastic column (3), enabling the middle position of the upper support plate (1) to correspond to the middle position of the transverse top, and enabling the sliding roller (12) to abut against the top of the cross beam;
s3, locking the detection head: after the upper support plate (1) is positioned, the beam detection head is downwards locked through a clamping sleeve (66) in a clamping groove (65), so that the detection head and the upper side surface of the beam are at a proper detection interval, the detection head is connected with a detection host machine through a transmission line, and the detection host machine is manually held;
s4, beam detection: the detection mechanism comprises a movable wheel (5), an upper supporting plate (1) and a detection host, wherein the movable wheel is controlled to move on the side face of the middle of a cross beam, so that the upper supporting plate (1) is driven to move synchronously, the detection head on the upper supporting plate (1) can detect the upper side face of the cross beam, the detection host which is manually held can see the detection result of the cross beam, and when a detection mechanism (6) is in contact with an upright post mounted at the upper end of the cross beam, the detection head can detect welding spots between the cross beam and the upright post through the contraction motion of an electric push rod (69).
2. The nondestructive testing method for the quality of the steel structure engineering, according to claim 1, is characterized in that: the bottom of the movable support plate (4) is provided with a bonding frame (41) with a U-shaped structure, the opening of the bonding frame (41) is arranged inwards, bonding support plates (42) are distributed in the U-shaped structure of the bonding frame (41), the positions of the bonding support plates (42) correspond to the positions of the sliding grooves (11), and bonding rollers (43) are uniformly arranged on the top of the bonding support plates (42) along the length direction of the bonding support plates.
3. The nondestructive testing method for the quality of the steel structure engineering according to claim 2, characterized in that: the utility model discloses a laminating support plate (42) and attaching frame, including laminating support plate (42), adjusting bolt (44), attaching frame (41), attaching frame (45), attaching frame (42), attaching frame (45), adjusting bolt (42) and attaching frame (41), the bottom of attaching frame (42) is connected with the upper end of adjusting bolt (44) through the bearing, the middle part of adjusting bolt (44) is connected with the lower side of attaching frame (41) through screw-thread fit's mode, two attaching connecting columns (45) are installed on the bottom of attaching support plate (42), attaching connecting columns (45) symmetric distribution is in the both sides of adjusting bolt (.
4. The nondestructive testing method for the quality of the steel structure engineering, according to claim 1, is characterized in that: the bottom of the detection pressure column (62) is of an arc-shaped structure.
5. The nondestructive testing method for the quality of the steel structure engineering, according to claim 1, is characterized in that: the adjusting sliding groove (641) with a dovetail-shaped structure is arranged on the inner side face of the telescopic end of the detection compression leg (62) located at one end of the upper connecting plate (67), inserting holes (642) are vertically and uniformly formed in the inner side face of the telescopic end of the detection compression leg (62) located at the other end of the upper connecting plate (67), a dovetail sliding block (643) is arranged on the side face, corresponding to the adjusting sliding groove (641), of the clamping plate (64), a locking groove (644) with an L-shaped structure is arranged on the side face, corresponding to the inserting holes (642), of the clamping plate (64), a locking rod (646) is installed on the inner wall of the locking groove (644) through an inserting spring (645), and the tail end of the locking rod (646.
6. The nondestructive testing method for the quality of the steel structure engineering, according to claim 5, is characterized in that: the top of one end of the locking rod (646) connected with the plug-in spring (645) is provided with a push-pull block (647), and the upper end of the push-pull block (647) penetrates through the locking groove (644).
7. The nondestructive testing method for the quality of the steel structure engineering, according to claim 1, is characterized in that: the clamping sleeve (66) is of an arc-shaped structure, a cushion pad made of flexible materials is arranged on the inner side face of the clamping sleeve (66), elastic sliding blocks (661) are symmetrically installed on the opposite side faces of the clamping sleeve (66), one end, away from the clamping sleeve (66), of each elastic sliding block (661) is connected with the clamping groove (65) in a sliding fit mode, and a shifting body (662) with the upper end inclined outwards is arranged on the top of the clamping sleeve (66).
8. The nondestructive testing method for the quality of the steel structure engineering, according to claim 1, is characterized in that: the height of one end of the electric push rod (69) connected with the square groove (68) is lower than that of the pin shaft connected with the lug seat (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986856.6A CN112067780A (en) | 2020-09-18 | 2020-09-18 | Nondestructive testing method for quality of steel structure engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986856.6A CN112067780A (en) | 2020-09-18 | 2020-09-18 | Nondestructive testing method for quality of steel structure engineering |
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| Publication Number | Publication Date |
|---|---|
| CN112067780A true CN112067780A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010986856.6A Withdrawn CN112067780A (en) | 2020-09-18 | 2020-09-18 | Nondestructive testing method for quality of steel structure engineering |
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| CN (1) | CN112067780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834510A (en) * | 2021-01-06 | 2021-05-25 | 安徽理工大学 | Nondestructive health detection method for large-sized structure |
-
2020
- 2020-09-18 CN CN202010986856.6A patent/CN112067780A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834510A (en) * | 2021-01-06 | 2021-05-25 | 安徽理工大学 | Nondestructive health detection method for large-sized structure |
| CN112834510B (en) * | 2021-01-06 | 2023-10-27 | 安徽理工大学 | Damage-free health detection method for large-scale structure |
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