CN112098242A - Method for detecting connection firmness of steel structure connection node - Google Patents
Method for detecting connection firmness of steel structure connection node Download PDFInfo
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- CN112098242A CN112098242A CN202010986854.7A CN202010986854A CN112098242A CN 112098242 A CN112098242 A CN 112098242A CN 202010986854 A CN202010986854 A CN 202010986854A CN 112098242 A CN112098242 A CN 112098242A
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- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention relates to a method for detecting the connection firmness of a steel structure connection node, which adopts a steel structure node firmness detection device, wherein the steel structure node firmness detection device comprises an arc-shaped frame, a support plate, a side support plate, a locking bolt, a locking plate and a detection mechanism; the method for detecting the connection firmness of the steel structure connection nodes by adopting the steel structure node firmness detection device comprises the following steps: s1, positioning an arc-shaped frame; s2, locking the arc-shaped frame; s3, adjusting detection strength; and S4, comprehensively detecting the firmness of the stand column. The invention can solve the problems existing in the prior method for detecting the firmness of the stand column on the steel structure beam: the stability of being connected of test machine and steel construction crossbeam is relatively poor for the fastness detection effect of stand is poor, and the hammering dynamics of steel construction stand that test machine is right is adjusted comparatively loaded down with trivial details, thereby influences the efficiency scheduling problem that stand stability detected.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a method for detecting connection firmness of a steel structure connection node.
Background
Steel structure engineering is a structure mainly made of steel, mainly composed of steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and all members or components are usually connected by welding seams, bolts or rivets, which is one of the main building structure types. The structural connection node refers to a connection and connection position between steel structures, for example, a beam of the steel structure is generally I-shaped steel or H-shaped steel when a column is connected on the beam.
After the stand on the crossbeam is connected and is accomplished, need detect the fastness of stand, the stand generally is through locking test machine on the crossbeam when detecting to adopt the mode of strikeing or hammering to carry out the fastness to the stand and detect, the current problem that exists when carrying out the fastness and detecting to the stand on the steel construction crossbeam as follows:
1. the connection stability of the testing machine and the steel structure beam is poor, so that the firmness detection effect of the stand column is poor, and the hammering force adjustment of the steel structure stand column by the testing machine is complicated, so that the stand column stability detection efficiency is influenced;
2. the different positions of steel structure stand that test machinery can't be free carry out the hammering and handle, and the detection dynamics that its stand corresponds crossbeam length direction both sides can't keep unanimous for the detection precision of stand is low.
Disclosure of Invention
In order to solve the problems, the invention provides a method for detecting the connection firmness of a steel structure connection node, which adopts a steel structure connection node firmness detection device, wherein the steel structure connection node firmness detection device comprises arc-shaped frames, a support plate, side support plates, locking bolts, a locking plate and a detection mechanism, the number of the arc-shaped frames is two, the two arc-shaped frames are spliced to form an annular structure, the upper side surface of each arc-shaped frame is provided with a sliding groove along the arc-shaped structure, the sliding groove penetrates through the outer end of the arc-shaped frame, the cross section of the sliding groove is a T-shaped structure, the lower side surface of the middle part of each arc-shaped frame is provided with the support plate, the bottom of each support plate is symmetrically provided with the two side support plates along the width direction, each side support plate is connected with one locking bolt in a thread fit manner, and the locking plate is arranged at, the invention has the advantages that the limiting sliding columns are arranged on the opposite side surfaces of the locking plate, the limiting sliding columns penetrate through the side support plates, the limiting sliding columns can limit the movement of the locking plate, the movement precision of the locking plate is increased, the detection mechanism is arranged at the upper end of the arc-shaped frame on one side, the invention can use the beam of a steel structure as a support to lock the position, and the firmness test is carried out on the upright post connected on the cross beam in a hammering mode, firstly, the arc-shaped frames are placed on the two sides of the upright post, the free ends of the arc-shaped frames can be in butt joint, the supporting plates are arranged in parallel with the cross beam, the inner side surface of the locking plate is locked on the middle side surface of the cross beam by screwing the locking bolt, the upper end of the locking plate is propped against the lower side surface of the upper end of the cross beam, the stability of the device can be improved by locking the locking plate, the device is prevented from shaking to influence the accuracy of the firmness detection of the stand column, and the firmness detection of the stand column on the cross beam can be carried out by the detection mechanism.
The detection mechanism comprises an arc-shaped sliding block connected to a sliding groove in a sliding fit mode, the arc-shaped sliding block can slide in the sliding groove, so that the arc-shaped sliding block can drive the detection mechanism to adjust the position in a structure formed by two arc-shaped frames, a detection supporting plate is installed on the top of the arc-shaped sliding block, an adjusting sliding groove is formed in the middle of the upper side surface of the detection supporting plate along the length direction of the detection supporting plate, a vertically arranged test vertical plate is arranged above the adjusting sliding groove, a sliding block in sliding fit with the adjusting sliding groove is arranged on the bottom of the test vertical plate, the side surface, away from the arc-shaped frames, of the test vertical plate, which is spliced into an annular structure, is connected with one end of an adjusting bolt through a bearing, the other end of the adjusting bolt;
the detection support plate is provided with two telescopic columns on the side surface which is close to the arc-shaped frame and spliced into an annular structure, the telescopic columns are arranged up and down, the tail end of each telescopic column is provided with an elastic plate, the side surface of the elastic plate, which is far away from the telescopic columns, is provided with a hammering block, when the detection mechanism works in detail, the detection mechanism can detect the firmness of the stand column on the cross beam, the arc-shaped slide block slides to the middle part of the arc-shaped frame and locks the position of the arc-shaped frame, the test vertical plate can be driven to adjust the position by screwing an adjusting bolt, so that the distance between the hammering block on the elastic plate and the stand column can be adjusted, the hammering force of the stand column can be adjusted by the hammering block, when the stand column needs to be hammered and tested, the two telescopic columns are controlled to synchronously contract, the hammering block can be driven to hammer the stand column by the restoring force, observe the rocking degree of stand or whether the stand can touch the contact plate and judge the fastness of stand.
The method for detecting the connection firmness of the steel structure connection nodes by adopting the steel structure node firmness detection device comprises the following steps:
s1, positioning of the arc-shaped frame: firstly, arc-shaped frames are placed on two sides of a stand column connected with a steel structure beam, so that a support plate can be parallelly placed on the top of the beam, and opposite ends of the two arc-shaped frames are butted;
s2, locking the arc-shaped frame: the locking bolt can be screwed to drive the locking plate to move inwards, so that the inner side face of the locking plate can be abutted against the side face of the middle part of the cross beam, and the top of the locking plate is abutted against the lower side face of the upper end of the cross beam, so that the arc-shaped frame is prevented from shaking;
s3, detection force adjustment: after the arc-shaped frame is locked, the testing vertical plate can be driven to slide by screwing the adjusting bolt, so that the distance between the testing vertical plate and the stand column on the cross beam can be adjusted, the telescopic column is pulled outwards to be in a contracted state, then the telescopic column is loosened to enable the hammering block on the elastic plate to hammer one side of the stand column, and the firmness of the stand column is judged by manually observing the deflection condition of the stand column;
s4, overall detection of column firmness: after the firmness of stand one side detects, slide detection mechanism to the middle part of the arc frame of opposite side through the arc slider to detection mechanism can detect the firmness of stand opposite side.
According to the preferable technical scheme, the inner side face of the upper end of the locking plate is of an arc-shaped structure, the supporting transverse plate is arranged on the top of the locking plate, the steel-structure cross beam is I-shaped steel or H-shaped steel, so that the arc-shaped structure of the inner side face of the upper end of the locking plate can not prevent the inner side face of the I-shaped steel from being attached to the middle side face of the I-shaped steel, the supporting transverse plate can increase the bearing area of the locking plate on the lower side face of the upper end of the cross beam, and.
As a preferred technical scheme of the invention, a T-shaped groove is formed in the lower side surface of the supporting plate along the length direction of the supporting plate, the T-shaped groove penetrates through the outer side surface of the supporting plate, a binding plate with a T-shaped structure is inserted in the T-shaped groove, a non-slip mat is arranged on the lower side surface of the binding plate, the non-slip mat on the lower side surface of the binding plate can increase the stability of the binding plate, and the binding plate can be replaced in different thickness models so that the upper side surface of the supporting transverse plate can be abutted against the lower side surface of the upper end.
As a preferred technical scheme of the invention, the end surfaces of the two arc-shaped frames are respectively provided with an inserted rod and a slot which are mutually inserted and matched, and the inserted rod and the slot are matched to limit the splicing position of the two arc-shaped frames, so that the two arc-shaped frames can be accurately butted, and the detection mechanism can be prevented from being incapable of smoothly sliding due to the deviation of the butting position of the two arc-shaped frames.
As a preferred technical scheme of the invention, a hydraulic cylinder is distributed between two telescopic columns, the fixed end of the hydraulic cylinder is arranged on the side surface of a test vertical plate, a push-pull body is arranged on the telescopic end of the hydraulic cylinder, the upper end and the lower end of the push-pull body are respectively provided with a linkage block with a telescopic structure, the positions of the linkage blocks are symmetrically arranged, the linkage blocks are in a trapezoidal structure, the outer end of one side of the linkage block, away from the test vertical plate, is an inclined plane, the opposite ends of the two elastic plates and one side, close to the test vertical plate, are provided with inclined grooves matched with the linkage blocks, the two ends of the linkage blocks are symmetrically provided with furling blocks which are in a triangular structure, the furling blocks penetrate through the elastic plates, guide frames are symmetrically arranged on the two sides of the hydraulic cylinder, corresponding to the width direction of the test support plate, two guide columns, when the push-pull body is in contact with the guide post, the guide post can drive the linkage block to contract through the furling block, when the push-pull body moves to the middle of the guide post, the linkage block is separated from the elastic plate, the elastic plate is driven by the linkage block, the stand column is synchronously hammered through the drive of the hammering block through the elastic plate, and the stand column can be automatically and circularly hammered through the control mode.
As a preferred technical scheme of the invention, a positioning groove is formed in the outer side surface of the upper end of the arc-shaped sliding block, a positioning vertical plate is arranged at one end, far away from the end where the arc-shaped frame is spliced into a ring-shaped structure, of the top of each supporting plate, a positioning elastic column is connected to the positioning vertical plate in a sliding fit manner, a positioning block which is in splicing fit with the positioning groove is arranged at one end, close to the arc-shaped frame, of the positioning elastic column, the positioning block can lock the position of the arc-shaped sliding block under the action of the positioning elastic column, and when the arc-shaped sliding block needs to be subjected to position adjustment, the positioning elastic column is pulled outwards, so that the.
According to a preferred technical scheme, the scale rod is arranged on the inner side face of the middle of the arc-shaped frame, the inner end of the scale rod is of a telescopic structure, the scale mark is arranged on the upper side face of the telescopic structure of the scale rod, the scale rod can limit the initial position of the arc-shaped frame, the arc-shaped frame can be symmetrically distributed on two sides of the upright post, and the telescopic ends of the scale rod are kept at the same scale when the arc-shaped frame is in butt joint.
The invention has the beneficial effects that:
the device can be positioned and locked on a cross beam of a steel structure, position locking is carried out by taking the cross beam as a fixed point, and firmness of the stand column is detected by circularly hammering the stand column on the cross beam;
the attachment plate can be replaced in different thickness models, so that the upper side face of the supporting transverse plate can be abutted against the lower side face of the upper end of the cross beam, and the stability of the invention locked on the cross beam is improved;
the scale rod can limit the initial position of the arc-shaped frame, so that the arc-shaped frame can be symmetrically distributed on two sides of the upright post, and the telescopic ends on the scale rod are kept at the same scale when the arc-shaped frame is in butt joint;
and fourthly, the invention drives the linkage block on the push-pull body to control the elastic plate to contract by controlling the telescopic motion of the hydraulic cylinder, so that the elastic plate drives the hammering block to synchronously hammer the upright post under the action of the telescopic post, and the invention can automatically carry out circular hammering action on the upright post by the control mode.
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 (from right to left) of the present invention;
FIG. 4 is a schematic structural view of the arc frame, the support plate, the side support plate, the locking bolt, the locking plate, the arc slider and the detection support plate of the present invention;
FIG. 5 is a schematic view of the first configuration of the sensing mechanism of the present invention with the arcuate slider removed;
FIG. 6 is a schematic view of a second configuration of the sensing mechanism of the present invention with the arcuate slider removed;
fig. 7 is a schematic structural diagram of the steel structure column firmness detection method.
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 steel structure connection node connection firmness detection method adopts a steel structure connection node firmness detection device which comprises arc frames 1, support plates 2, side support plates 3, locking bolts 4, locking plates 5 and detection mechanisms 6, the number of the arc frames 1 is two, the two arc frames 1 are spliced to form an annular structure, the upper side surface of each arc frame 1 is provided with a sliding groove 11 along the arc structure, the sliding groove 11 penetrates through the outer ends of the arc frames 1, the cross section of each sliding groove 11 is in a T-shaped structure, the support plates 2 are arranged on the lower side surface of the middle part of each arc frame 1, the bottom of each support plate 2 is symmetrically provided with the two side support plates 3 along the width direction of the support plate, and each side support plate 3 is connected with one locking bolt 4 in a thread fit manner, the locking device comprises locking bolts 4, locking plates 5 are arranged at opposite ends of the locking bolts 4 through bearings, limiting sliding columns 51 are arranged on opposite side surfaces of the locking plates 5, the limiting sliding columns 51 penetrate through side support plates 3, the limiting sliding columns 51 can limit movement of the locking plates 5, movement accuracy of the locking plates 5 is improved, and a detection mechanism 6 is arranged at the upper end of an arc-shaped frame 1 on one side, the locking device can be used for locking the position by taking a steel-structured beam as a support and testing firmness of the column connected to the beam in a hammering mode, firstly, the arc-shaped frame 1 is placed at two sides of the column, free ends of the arc-shaped frame 1 can be in butt joint, a support plate 2 is arranged in parallel to the beam, the inner side surface of the locking plates 5 is locked on the middle side surface of the beam by screwing the locking bolts 4, the upper ends of the locking plates 5 abut against the lower side surface of the upper, the method and the device can prevent the shaking from affecting the accuracy of the firmness detection of the stand column, and can perform firmness detection on the stand column on the cross beam through the detection mechanism 6.
Two the terminal surface of arc frame 1 on be provided with the inserted bar 12 and the slot 13 of mutual grafting complex respectively, inserted bar 12 and slot 13 cooperate and can carry on spacingly to the concatenation position of two arc frames 1 to two accurate butt joints of arc frame 1 prevent that two arc frames 1 butt joint position deviations from causing detection mechanism 6 can't carry out smooth and easy slip.
The utility model discloses an arc frame 1, including arc frame 1, scale pole 14, arc frame 1, scale pole 14, arc frame 1, the end that stretches out and draws back that keeps on the arc pole 14 is in the same scale.
The downside of backup pad 2 be provided with T type groove 21 along its length direction, T type groove 21 runs through backup pad 2's lateral surface, T type groove 21 is interior to alternate has the binding plate 22 of T type structure, be provided with the slipmat on the downside of binding plate 22, the slipmat of binding plate 22 downside can increase binding plate 22's stability, binding plate 22 can carry out the change of different thickness models to the side of going up that supports diaphragm 52 can support on the upper end downside of crossbeam.
The inner side face of the upper end of the locking plate 5 is of an arc-shaped structure, the supporting transverse plate 52 is arranged on the top of the locking plate 5, the steel-structure cross beam is I-shaped steel or H-shaped steel, so that the arc-shaped structure of the inner side face of the upper end of the locking plate 5 can not prevent the inner side face of the I-shaped steel from being attached to the side face of the middle of the I-shaped steel, the supporting transverse plate 52 can increase the bearing area of the locking plate 5 on the lower side face of the upper end of.
The detection mechanism 6 comprises an arc-shaped sliding block 61 connected on the sliding groove 11 in a sliding fit mode, the arc-shaped sliding block 61 can slide in the sliding groove 11, the arc-shaped sliding block 61 can drive the detection mechanism 6 to adjust the position in the structure formed by the two arc-shaped frames 1, the top of the arc-shaped sliding block 61 is provided with a detection support plate 62, the middle part of the upper side surface of the detection support plate 62 is provided with an adjusting sliding groove 63 along the length direction of the detection support plate, a vertically arranged test vertical plate 64 is arranged above the adjusting sliding groove 63, the bottom of the test vertical plate 64 is provided with a sliding block in sliding fit with the adjusting sliding groove 63, the side surface, away from the arc-shaped frames 1, of the test vertical plate 64 spliced into a ring structure is connected with one end of an adjusting bolt 65 through a bearing, the other end of the adjusting bolt 65 is connected onto the adjusting vertical plate 66 in a thread fit mode, and;
the detection support plate 62 is provided with two telescopic columns 67 on the side surface which is close to the arc-shaped frame 1 and spliced into a ring structure, the telescopic columns 67 are arranged up and down, the tail end of each telescopic column 67 is provided with a spring plate 68, the side surface of the spring plate 68 far away from the telescopic column 67 is provided with a hammering block 69, during specific work, the detection mechanism 6 can detect the firmness of the stand column on the cross beam, the arc-shaped slide block 61 is slid to the middle part of the arc-shaped frame 1 and is locked, the test vertical plate 64 can be driven to carry out position adjustment by screwing the adjusting bolt 65, so that the distance between the hammering block 69 on the spring plate 68 and the stand column can be adjusted, the hammering force of the stand column can be adjusted by the hammering block 69, when the stand column needs to be hammered and tested, the two telescopic columns 67 are controlled to synchronously contract and move, the hammering block 69 can be driven by the restoring force, through artifical observation or at the contact plate of placing behind the back of the body side of stand hammering, observe the fastness that the contact plate can be judged to the rocking degree of stand or stand whether can touch.
A hydraulic cylinder 641 is distributed between the two telescopic columns 67, the fixed end of the hydraulic cylinder 641 is mounted on the side surface of the test vertical plate 64, a push-pull body 642 is mounted on the telescopic end of the hydraulic cylinder 641, the upper and lower ends of the push-pull body 642 are both provided with a linkage block 643 with a telescopic structure, the positions of the linkage blocks 643 are symmetrically arranged, the linkage blocks 643 are in a trapezoidal structure, the outer end of one side of the linkage block 643, which is far away from the test vertical plate 64, is an inclined plane, the opposite ends of the two elastic plates 68 and one side, which is close to the test vertical plate 64, are provided with inclined grooves 644 which are matched with the linkage blocks 643, the two ends of the linkage block 643 are symmetrically provided with folding blocks 645, the folding blocks 645 are in a triangular structure, the folding blocks 645 penetrate through the elastic plates 68, guide frames 646 are symmetrically arranged on the two sides of the hydraulic cylinder 641 corresponding, the end of the guide column 647 is arranged to be inclined outwards, and in operation, the hydraulic cylinder 641 is controlled to perform extension movement, the linkage block 643 on the push-pull body 642 is contacted with the inclined groove 644 on the elastic plate 68 to drive the linkage block 643 to contract, so that the push-pull body 642 can move to the inner side of the springing plate 68, the linkage block 643 can be automatically popped out under the restoring force thereof when being separated from the springing plate 68, then, the hydraulic cylinder 641 is controlled to perform contraction movement, the linkage block 643 can drive the elastic plate 68 to move outwards and cause the telescopic column 67 to contract, when the push-pull body 642 is in contact with the guide column 647, the guide column 647 can drive the linkage block 643 to contract through the furling block 645, when the push-pull body 642 moves to the middle of the guide column 647, the linkage block 643 is separated from the elastic plate 68, the elastic plate 68 drives the hammering block 69 to synchronously hammer the upright column under the action of the telescopic column 67, and the control mode enables the upright column to automatically carry out cyclic hammering action.
As shown in fig. 1, the method for detecting the connection firmness of the steel structure connection node by using the steel structure node firmness detection device comprises the following steps:
s1, positioning the arc-shaped frame 1: firstly, the arc-shaped frames 1 are placed on two sides of a stand column connected with a steel structure beam, so that the support plates 2 can be placed on the top of the beam in parallel, opposite ends of the two arc-shaped frames 1 are butted, the inserting rods 12 are matched with the inserting grooves 13, so that the two arc-shaped frames 1 can be accurately butted, and at the moment, the telescopic ends on the scale rods 14 are kept at the same scale;
s2, locking the arc-shaped frame 1: the locking bolt 4 is screwed to drive the locking plate 5 to move inwards, so that the inner side face of the locking plate 5 can be abutted against the side face of the middle part of the cross beam, the attachment plate 22 can be replaced in different thickness models, so that the upper side face of the supporting transverse plate 52 can be abutted against the lower side face of the upper end of the cross beam, and the arc-shaped frame 1 is prevented from shaking;
s3, detection force adjustment: after the arc-shaped frame 1 is locked, the testing vertical plate 64 can be driven to slide by screwing the adjusting bolt 65, so that the distance between the testing vertical plate 64 and the upright on the cross beam is adjusted, the telescopic column 67 is pulled outwards to be in a contracted state, then the telescopic column 67 is loosened, the hammering block 69 on the telescopic plate 68 performs hammering action on one side of the upright, the deflection condition of the upright is observed manually to judge the firmness of the upright, when the upright needs to be subjected to cyclic hammering test automatically, the hydraulic cylinder 641 is controlled to perform extension movement, so that the push-pull body 642 can move to the inner side of the elastic plate 68, then the hydraulic cylinder 641 is controlled to perform contraction movement, the linkage block 643 can drive the telescopic plate 68 to move outwards and contract the telescopic column 67, when the push-pull body 642 is in contact with the guide column 647, the guide column 647 can drive the linkage block 643 to contract by the furling block 645, when the push-pull body 642 moves to the middle part of the guide column 647, the elastic plate 68 drives the hammering block 69 to synchronously hammer the upright column under the action of the telescopic column 67;
s4, overall detection of column firmness: after the firmness of stand one side detects and finishes, outwards stimulates location bullet post 24 for locating piece 25 shifts out from the constant head tank in, makes arc slider 61 can carry out position control, slides detection mechanism 6 to the middle part of the arc frame 1 of opposite side through arc slider 61, and locks the position of arc slider 61 through locating piece 25 of opposite side, so that detection mechanism 6 can detect the firmness of stand opposite side.
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 utility model provides a steel construction connected node fastness detection method, this steel construction connected node fastness detection method adopts following steel construction node fastness detection device, and steel construction node fastness detection device includes arc frame (1), backup pad (2), collateral branch board (3), locking bolt (4), lockplate (5) and detection mechanism (6), its characterized in that: the number of the arc-shaped frames (1) is two, the two arc-shaped frames (1) are spliced to form an annular structure, a sliding groove (11) is formed in the upper side face of each arc-shaped frame (1) along the arc-shaped structure, the sliding groove (11) penetrates through the outer end of each arc-shaped frame (1), the section of each sliding groove (11) is of a T-shaped structure, a supporting plate (2) is arranged on the lower side face of the middle of each arc-shaped frame (1), two side supporting plates (3) are symmetrically arranged at the bottom of each supporting plate (2) along the width direction of each supporting plate, each side supporting plate (3) is connected with one locking bolt (4) in a threaded fit mode, locking plates (5) are mounted on opposite ends of the locking bolts (4) through bearings, limiting sliding columns (51) are arranged on the opposite side faces of the locking plates (5), the limiting sliding columns (51) penetrate through the side supporting plates (3), and a detection mechanism (; wherein:
the detection mechanism (6) comprises an arc-shaped sliding block (61) connected to the sliding groove (11) in a sliding fit mode, a detection supporting plate (62) is installed on the top of the arc-shaped sliding block (61), an adjusting sliding groove (63) is formed in the middle of the upper side face of the detection supporting plate (62) along the length direction of the detection supporting plate, a vertically-arranged test vertical plate (64) is arranged above the adjusting sliding groove (63), a sliding block in sliding fit with the adjusting sliding groove (63) is arranged on the bottom of the test vertical plate (64), the side face, far away from the arc-shaped frame (1), of the test vertical plate (64) is spliced into an annular structure, is connected with one end of an adjusting bolt (65) through a bearing, the other end of the adjusting bolt (65) is connected to the adjusting vertical plate (66) in a threaded fit mode, and the bottom of the adjusting vertical;
the side face, close to the arc-shaped frame (1), of the detection support plate (62) which is spliced into an annular structure is provided with two telescopic columns (67), the telescopic columns (67) are arranged up and down, the tail end of each telescopic column (67) is provided with a spring plate (68), and the side face, far away from the telescopic columns (67), of each spring plate (68) is provided with a hammering block (69);
the method for detecting the connection firmness of the steel structure connection nodes by adopting the steel structure node firmness detection device comprises the following steps:
s1, positioning the arc-shaped frame (1): firstly, arc-shaped frames (1) are placed on two sides of a stand column connected with a steel structure beam, so that a support plate (2) can be parallelly overlapped on the top of the beam, and opposite ends of the two arc-shaped frames (1) are butted;
s2, locking the arc-shaped frame (1): the locking bolt (4) can be screwed to drive the locking plate (5) to move inwards, so that the inner side surface of the locking plate (5) can be abutted against the side surface of the middle part of the cross beam, and the top of the locking plate (5) is abutted against the lower side surface of the upper end of the cross beam, thereby preventing the arc-shaped frame (1) from shaking;
s3, detection force adjustment: after the arc-shaped frame (1) is locked, the testing vertical plate (64) can be driven to slide by screwing the adjusting bolt (65), so that the distance between the testing vertical plate (64) and the stand column on the cross beam is adjusted, the telescopic column (67) is in a contracted state by pulling the telescopic column (67) outwards, then the telescopic column (67) is loosened, a hammering block (69) on the elastic plate (68) performs hammering action on one side of the stand column, and the firmness of the stand column is judged by manually observing the deflection condition of the stand column;
s4, overall detection of column firmness: after the firmness on one side of the stand column is detected, the detection mechanism (6) is slid to the middle of the arc frame (1) on the other side through the arc sliding block (61), so that the firmness on the other side of the stand column can be detected by the detection mechanism (6).
2. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the inner side face of the upper end of the locking plate (5) is of an arc-shaped structure, and a supporting transverse plate (52) is arranged on the top of the locking plate (5).
3. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the downside of backup pad (2) be provided with T type groove (21) along its length direction, the lateral surface of backup pad (2) is run through in T type groove (21), T type groove (21) interior alternate have attaching plate (22) of T type structure, be provided with the slipmat on attaching plate's (22) the downside.
4. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the end surfaces of the two arc-shaped frames (1) are respectively provided with an inserted rod (12) and an inserting groove (13) which are mutually inserted and matched.
5. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the hydraulic cylinder (641) is distributed between the two telescopic columns (67), the fixed end of the hydraulic cylinder (641) is installed on the side face of the testing vertical plate (64), the push-pull body (642) is installed on the telescopic end of the hydraulic cylinder (641), the upper end and the lower end of the push-pull body (642) are provided with linkage blocks (643) of a telescopic structure, the linkage blocks (643) are symmetrically arranged, the linkage blocks (643) are of a trapezoidal structure, the outer ends of the linkage blocks (643) far away from the testing vertical plate (64) are inclined surfaces, and inclined grooves (644) matched with the linkage blocks (643) are arranged on the opposite ends of the two elastic plates (68) and on the side close to the testing vertical plate (64).
6. The method for detecting the connection firmness of the steel structure connection node according to claim 5, wherein the method comprises the following steps: the two ends of the linkage block (643) are symmetrically provided with folding blocks (645), the folding blocks (645) are of a triangular structure, the folding blocks (645) penetrate through the elastic plate (68), the hydraulic cylinder (641) is symmetrically provided with guide frames (646) corresponding to the two sides of the detection support plate (62) in the width direction, the end face, close to the elastic plate (68), of each guide frame (646) is provided with two guide columns (647), and the tail ends of the guide columns (647) are arranged in an outward inclined mode.
7. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the upper end lateral surface of arc slider (61) be provided with the constant head tank, the top of every backup pad (2) is kept away from the one end that arc frame (1) concatenation becomes annular structure and is provided with location riser (23), go up of location riser (23) and be connected with location bullet post (24) through sliding fit's mode, the one end that location bullet post (24) are close to arc frame (1) is provided with and pegs graft complex locating piece (25) with the constant head tank.
8. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the scale rod (14) is arranged on the inner side face of the middle of the arc-shaped frame (1), the inner end of the scale rod (14) is of a telescopic structure, and scale marks are arranged on the upper side face of the telescopic structure of the scale rod (14).
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| CN202010986854.7A CN112098242A (en) | 2020-09-18 | 2020-09-18 | Method for detecting connection firmness of steel structure connection node |
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| CN112880553A (en) * | 2021-01-15 | 2021-06-01 | 刘华 | Device and method for detecting installation flatness of dry-hanging stone curtain wall |
| CN113203643A (en) * | 2021-04-30 | 2021-08-03 | 任菊华 | Steel structure firmness detection system and detection method |
| CN114739255A (en) * | 2022-04-13 | 2022-07-12 | 潮峰钢构集团有限公司 | Intelligent measurement system and method for steel structure pre-assembly |
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| CN112880553A (en) * | 2021-01-15 | 2021-06-01 | 刘华 | Device and method for detecting installation flatness of dry-hanging stone curtain wall |
| CN112880553B (en) * | 2021-01-15 | 2023-02-03 | 苏州工业园区科特建筑装饰有限公司 | Device and method for detecting installation flatness of dry-hanging stone curtain wall |
| CN113203643A (en) * | 2021-04-30 | 2021-08-03 | 任菊华 | Steel structure firmness detection system and detection method |
| CN113203643B (en) * | 2021-04-30 | 2022-11-18 | 上海新建设工程咨询有限公司 | Steel structure firmness detection system and detection method |
| CN114739255A (en) * | 2022-04-13 | 2022-07-12 | 潮峰钢构集团有限公司 | Intelligent measurement system and method for steel structure pre-assembly |
| CN114739255B (en) * | 2022-04-13 | 2023-12-15 | 潮峰钢构集团有限公司 | Intelligent measurement system and method for pre-assembled steel structure |
| CN117007211A (en) * | 2023-08-25 | 2023-11-07 | 苏州新亚科技有限公司 | Intelligent testing device for temperature sensor |
| CN117007211B (en) * | 2023-08-25 | 2024-02-23 | 苏州新亚科技有限公司 | Intelligent testing device for temperature sensor |
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