CN111947913A - Steel truss constructional engineering quality detection method - Google Patents
Steel truss constructional engineering quality detection method Download PDFInfo
- Publication number
- CN111947913A CN111947913A CN202010989268.8A CN202010989268A CN111947913A CN 111947913 A CN111947913 A CN 111947913A CN 202010989268 A CN202010989268 A CN 202010989268A CN 111947913 A CN111947913 A CN 111947913A
- Authority
- CN
- China
- Prior art keywords
- clamping
- steel truss
- frame
- laminating
- quality detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
Abstract
The invention relates to a quality detection method for steel truss constructional engineering, which adopts a steel truss quality detection device, wherein the steel truss quality detection device comprises three groups of clamping units which are linearly arranged, and cross rods are symmetrically connected to the clamping units at two ends; the method for detecting the quality of the steel truss building engineering by adopting the steel truss quality detection device comprises the following steps: s1, hoisting a steel truss; s2, locking the clamping unit; s3, positioning by a clamping plate; and S4, detecting the steel truss. The invention can solve the problems existing in the prior method for detecting the stability of the steel truss: when the stability of the steel truss is detected, the steel truss is laterally deviated or the two ends of the steel truss are descended greatly due to the fact that the two ends of the steel truss are accepted unevenly, and therefore the problems that the detection effect of the steel truss is poor, the precision is low, the steel truss with a straight structure and the steel truss with an arc structure cannot be locked by the same clamp and the like are caused.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a method for detecting the quality of steel truss constructional engineering.
Background
The steel truss is a truss made of steel, and is mainly applied to positions of crane beams, bridges, hydraulic gates and the like of roof structures of industrial and civil buildings as a main bearing component. The truss has the advantages that the rod piece mainly bears tension or pressure, the function of materials can be fully exerted, materials are saved, and the structure weight is reduced.
As shown in fig. 6, a common steel truss is of a triangular structure formed by three round rods, two inclined support rods which are obliquely arranged are welded between two round rods which are adjacent to each other at the upper part and the lower part, the round rods which are adjacent to each other horizontally are welded and locked through straight pipes, the steel truss is divided into a straight shape and an arc shape, and the truss with the structure has the advantages of high support stability and the like; need detect its stability after steel truss production and processing finishes, hold the both ends of steel truss and push down the distance of observing its both ends decline through anchor clamps when current carrying out stability detection to the steel truss to judge whether the holding power of steel truss reaches the requirement, the problem that exists when current carrying out stability detection to the steel truss is as follows:
1. when the stability of the steel truss is detected, the steel truss is laterally deviated or the height deviation of the two ends of the steel truss is large due to the fact that the acceptance of the two ends of the steel truss is not uniform, and therefore the detection effect of the steel truss is poor and the precision is low;
2. the steel truss of straight structure and the steel truss of arc structure can't adopt same anchor clamps to lock it, and the steel truss of arc structure can take place the condition that slides or drop when exerting down force anchor clamps, influences the detection effect of steel truss, and the testing result of steel truss can't carry out audio-visual seeing out.
Disclosure of Invention
In order to solve the problems, the invention provides a steel truss building engineering quality detection method, which adopts a steel truss quality detection device, wherein the steel truss quality detection device comprises three groups of clamping units which are linearly arranged, cross rods are symmetrically connected on the clamping units at two ends, the arrangement direction of the clamping units is vertical to the arrangement direction of the cross rods, a vertical rod is arranged on the bottom of one end of each clamping unit far away from the clamping units, an external thread is arranged on the bottom of the vertical rod, a clamping plate is uniformly distributed below the two groups of clamping units at the outer ends, round holes corresponding to the vertical rods in position one to one are arranged on the clamping plate, the lower end of the vertical rod penetrates through the clamping plate, the bottom of the vertical rod is locked on the lower side surface of the clamping plate through a nut, and a laminating mechanism is uniformly distributed on the outer side of each clamping plate, the steel wire ropes are arranged on the opposite side surfaces of the two clamping plates, the positions of the steel wire ropes on the clamping plates are symmetrically arranged, the downward pressing support plate is positioned under the clamping unit in the middle, the side surfaces, corresponding to the clamping plates, of the downward pressing support plate are connected with the steel wire ropes, downward pressure can be applied to the clamping plates by the steel wire ropes by increasing load on the downward pressing support plate, the downward pressure can be applied to the outer end of the steel truss integrally by the clamping plates under the action of a vertical rod, the accuracy and the effect of the stability test of the steel truss can be improved by applying the downward pressure to the whole steel truss, the invention can lock the upper end of the steel truss, carry out the quality test of the stability of the steel truss in a mode of increasing load, firstly place the steel truss on an external support frame in a lifting mode, lock the clamping unit in the middle at the upper end of the steel truss, and symmetrically lock the clamping units at the two ends at the upper ends, vertical pole can symmetric distribution both ends around the steel truss this moment, establishes the round hole cover on the screens board on vertical pole again to lock the lower extreme of vertical pole on the bottom of screens board through the nut, make the bottom of screens board paste on the lower extreme of steel truss, then place the load on pushing down the extension board, so that push down the both ends that the extension board produced down the pressure effect and act on the steel truss, can observe through laminating mechanism whether the steel truss both ends produce and subside.
The clamping unit comprises an upper clamping frame and a lower clamping frame which are symmetrically arranged up and down, the upper clamping frame and the lower clamping frame are both in omega-shaped structures, clamping sleeves are respectively arranged on opposite side surfaces of arc-shaped structures of the upper clamping frame and the lower clamping frame through hinges, locking holes with corresponding positions are respectively arranged on horizontal sections of the upper clamping frame and the lower clamping frame, the upper clamping frame and the lower clamping frame are locked through bolts, supporting bodies are symmetrically arranged on the side surfaces of the upper end of the upper clamping frame along the arrangement direction of the clamping unit, and rotating shafts are arranged on the supporting bodies;
when the clamping units are locked, the upper clamping frames are firstly clamped on the upper side surface of the upper end of the steel truss, the length of the adjusting rod is adjusted according to the length of the steel truss, so that the positions of the clamping units at the two ends are symmetrically arranged, the lower clamping frame is sleeved on the lower side surface of the upper end of the steel truss, and the clamping sleeves on the upper clamping frame and the lower clamping frame can be attached to the upper end of the steel truss under the connecting action of the hinge, and the upper clamping frame and the lower clamping frame are locked through bolts, so that the clamping unit can be locked at the upper end of the steel truss.
Laminating mechanism including the locking at subaerial laminating support, install spacing on the top of laminating support, the upper end of spacing is U type structure, be connected with the laminating frame through sliding fit's mode in the U type structure of spacing, the bottom of laminating frame is connected with adjusting bolt's upper end through the bearing, adjusting bolt's middle part is passed through screw-thread fit's mode and is connected on spacing middle part, concrete during operation, the laminating support can lock subaerial, can adjust the height of laminating frame through twisting adjusting bolt, so that the upper end of laminating frame can paste on the downside of the steel truss left and right sides, can drive the laminating frame downstream when the steel truss takes place to subside, whether can see out the stability of steel truss according to the height that laminating frame upper end descends and accord with the standard.
The method for detecting the quality of the steel truss building engineering by adopting the steel truss quality detection device comprises the following steps:
s1, hoisting a steel truss: firstly, hoisting a steel truss on an external support frame to enable the steel truss to be in a stable state;
s2, locking of the clamping unit: firstly, an upper clamping frame is sleeved on the upper side surface of the upper end of a steel truss, the length of an adjusting rod is adjusted according to the length of the steel truss, so that clamping units at two ends are symmetrically arranged, then a lower clamping frame is sleeved on the lower side surface of the upper end of the steel truss, the clamping sleeves on the upper clamping frame and the lower clamping frame can be attached to the upper end of the steel truss under the connection effect of a hinge, and then the upper clamping frame and the lower clamping frame are locked through bolts, so that the clamping units can be locked at the upper end of the steel truss;
s3, positioning of a clamping plate: after the clamping unit is locked, the clamping plate is abutted against the lower end of the steel truss, the lower end of the vertical rod penetrates through a round hole of the clamping plate, the lower end of the vertical rod is locked on the lower side surface of the clamping plate through a nut, so that the clamping plate is abutted against the lower end of the steel truss, and then the attaching support is locked on the ground;
s4, steel truss detection: through twisting adjusting bolt so that the upper end of laminating frame can support on the lower extreme of steel truss, later through place the degree that the upper end of laminating frame takes place to subside on pressing down the extension board to judge the stability can of steel truss.
According to a preferred technical scheme of the invention, the sleeving rod is arranged on the upper side surface of the middle part of the downward pressing support plate, the pressing block in an annular structure is sleeved on the sleeving rod, the downward pressure of the downward pressing support plate can be increased by sleeving the pressing block on the sleeving rod, and the downward pressing support plate can uniformly apply the downward pressure to the left end and the right end of the steel truss in a mode that the pressing block is sleeved on the sleeving rod.
According to a preferred technical scheme, the attaching frame is a hollow structure with an opening at the upper end, a square groove is formed in the side wall of the attaching frame in the width direction, an attaching support plate is installed on the lower side wall of the hollow structure of the attaching frame through an attaching spring, an attaching top plate is installed on the top of the attaching support plate through a hinge, the attaching top plate can be attached to the bottom of a steel truss under the connecting action of the hinge, and the attaching spring is driven to contract when the steel truss moves downwards under pressure.
According to a preferred technical scheme, the fitting support plate and the fitting frame are in sliding fit, the two ends of the fitting support plate are provided with the pointer blocks, the pointer blocks penetrate through the square grooves, the side faces of the fitting frame in the width direction are vertically provided with scale marks, the scale marks are symmetrically arranged on the two sides of the square grooves, the fitting support plate can move downwards when the steel truss moves downwards under pressure, and the pointer blocks can point to different scales on the fitting frame, so that the intuitiveness of steel truss detection is improved.
According to the preferable technical scheme, the arc-shaped grooves are formed in the inner side surfaces of the clamping sleeves, the arc-shaped chamfers are arranged at two ends of the arc-shaped grooves of the clamping sleeves on the lower clamping frame, the arc-shaped grooves of the clamping sleeves can be matched with the two clamping sleeves conveniently to clamp and lock a round pipe at the upper end of a steel truss, when the steel truss is of an arc-shaped structure, the arc-shaped chamfers at the two ends of the arc-shaped grooves can prevent the outer ends of the clamping sleeves from abutting against the two ends of the steel truss, and therefore the steel truss is not locked firmly due to point contact between the clamping sleeves and the steel.
As a preferred technical scheme of the invention, arc-shaped clamping pads are arranged at two ends of an arc-shaped groove formed in a clamping sleeve on an upper clamping frame, arc-shaped clamping pads are arranged in the middle of the arc-shaped groove formed in the clamping sleeve on a lower clamping frame, the arc-shaped clamping pads are made of flexible materials, and the arc-shaped clamping pads on the clamping sleeves are matched with each other, so that the invention can lock a straight steel truss or an arc-shaped steel truss, and the applicability of the invention is improved.
As a preferred technical scheme of the invention, a correcting sleeve of a telescopic structure is arranged at the bottom of the horizontal section of the upper clamping frame, the correcting sleeve is of a hollow cylinder structure, the correcting sleeve is arranged at the periphery of the locking hole on the upper clamping frame, an aligning ring matched with the correcting sleeve is arranged at the top of the horizontal section of the lower clamping frame, the aligning ring is positioned in the telescopic structure of the correcting sleeve and is arranged at the periphery of the locking hole on the lower clamping frame, and the correcting sleeve and the aligning ring are matched to align the upper clamping frame and the lower clamping frame when in butt joint, so that the locking simplicity degree between the upper clamping frame and the lower clamping frame is increased.
The invention has the beneficial effects that:
the invention can lock the upper end of a steel truss, carry out quality detection on the stability of the steel truss in a mode of increasing load on the steel truss, judge the stability of the steel truss by whether an attaching plate at the bottom of the steel truss is settled or not, carry out overall downward pressure on two ends of the steel truss, thereby increasing the accuracy of stability detection of the steel truss, carry out stability detection on the steel trusses with different structures and increase the applicability of the invention;
the middle clamping unit can be locked at the upper end of the middle part of the steel truss, and the two end clamping units can be locked at the upper ends of the left side and the right side of the steel truss, so that the position of the clamping units cannot be changed when the clamping units at the two ends apply downward pressure to the steel truss, and the stability test precision of the steel truss is improved;
the round hole on the clamping plate is sleeved on the vertical rod, the lower end of the vertical rod is locked on the bottom of the clamping plate through the nut, so that the bottom of the clamping plate is attached to the lower end of the steel truss, and the clamping unit is matched with the clamping plate to apply downward pressure to the whole steel truss;
the joint top plate can be jointed to the bottom of the steel truss under the connection effect of the hinge, and when the steel truss moves downwards under pressure, the joint spring is driven to contract, so that the pointer block can point to different scales on the joint frame, and the intuition of the detection of the steel truss 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 structural view of the present invention;
FIG. 3 is a schematic structural view of a conformable mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the clamping unit of the present invention;
FIG. 5 is a cross-sectional view of a clamping unit of the present invention;
fig. 6 is a schematic structural diagram of the steel truss stability testing device.
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 fig. 2 to 6, a steel truss construction engineering quality detection method adopts a steel truss quality detection device, the steel truss quality detection device comprises three groups of clamping units 1 which are linearly arranged, cross rods 2 are symmetrically connected to the clamping units 1 at two ends, the arrangement direction of the clamping units 1 is perpendicular to that of the cross rods 2, a vertical rod 3 is mounted at the bottom of one end of each clamping unit 1 far away from the clamping unit 1, an external thread is arranged at the bottom of the vertical rod 3, a clamping plate 4 is uniformly distributed below the two groups of clamping units 1 at the outer end, round holes corresponding to the positions of the vertical rods 3 one by one are arranged on the clamping plate 4, the lower end of the vertical rod 3 passes through the clamping plate 4, the bottom of the vertical rod 3 is locked on the lower side surface of the clamping plate 4 through a nut, a fitting mechanism 5 is uniformly distributed at the outer side of each clamping plate 4, the steel wire ropes 6 are arranged on the opposite side surfaces of the two clamping plates 4, the positions of the steel wire ropes 6 on the clamping plates 4 are symmetrically arranged, the lower pressing support plate 7 is positioned under the clamping unit 1 in the middle, the side surfaces, corresponding to the clamping plates 4, of the lower pressing support plate 7 are connected with the steel wire ropes 6, the steel wire ropes 6 can apply downward pressure to the clamping plates 4 by increasing load on the lower pressing support plate 7, the clamping plates 4 can apply downward pressure to the whole outer end of the steel truss under the action of the vertical rods 3, the accuracy and the effect of the stability test of the steel truss can be improved by applying downward pressure to the whole steel truss, the upper end of the steel truss can be locked, the steel truss can be subjected to quality test of stability by increasing load on the steel truss, the steel truss is firstly placed on an external support frame in a hoisting mode, and the lower end of the external support frame is of a U-shaped structure, make the support frame can not influence placing of laminating mechanism 5, 1 locking the centre gripping unit at the middle part in the upper end of steel truss, 1 symmetric locking in the upper end of the steel truss left and right sides of centre gripping unit at both ends, vertical pole 3 can both ends around the steel truss by symmetric distribution this moment, establish the round hole cover on clamping plate 4 on vertical pole 3 again, and through the nut with the lower extreme locking of vertical pole 3 on clamping plate 4's bottom, make clamping plate 4's bottom paste on the lower extreme of steel truss, then place the load on pushing down extension board 7, so that the lower pressure that pushing down extension board 7 produced is used in the both ends of steel truss, can observe whether the steel truss both ends produce through laminating mechanism 5 and subside.
The clamping unit 1 comprises an upper clamping frame 11 and a lower clamping frame 12 which are symmetrically arranged up and down, the upper clamping frame 11 and the lower clamping frame 12 are both in omega-shaped structures, clamping sleeves 13 are respectively arranged on opposite side surfaces of arc-shaped structures of the upper clamping frame 11 and the lower clamping frame 12 through hinges, locking holes 14 with corresponding positions are respectively arranged on horizontal sections of the upper clamping frame 11 and the lower clamping frame 12, the upper clamping frame 11 and the lower clamping frame 12 are locked through bolts, supporting bodies 15 are symmetrically arranged on the side surfaces of the upper end of the upper clamping frame 11 along the arrangement direction of the clamping unit 1, and rotating shafts 16 are arranged on the supporting bodies 15;
the rotating shafts 16 arranged on the supporting bodies 15 on two adjacent upper clamping frames 11 are connected through the adjusting rods 17, the adjusting rods 17 are of a telescopic adjusting structure, the adjusting rods 17 are in running fit with the rotating shafts 16, during specific work, the clamping unit 1 in the middle can be locked at the upper end of the middle part of the steel truss, the clamping units 1 at two ends can be locked at the upper ends of the left side and the right side of the steel truss, so that the clamping units 1 at two ends cannot change in position when downward pressure is applied to the steel truss by the clamping units 1 at two ends, the accuracy of the stability test of the steel truss is improved, when the clamping units 1 are locked, the upper clamping frames 11 are firstly clamped on the upper side surface of the upper end of the steel truss, the length adjustment of the adjusting rods 17 is carried out according to the length of the steel truss, the positions of the clamping units 1 at two ends are symmetrically arranged, then the lower clamping frames 12 are sleeved on the lower side surface of the upper end of the steel truss, and, and then the upper clamping frame 11 and the lower clamping frame 12 are locked by bolts, so that the clamping unit 1 can be locked at the upper end of the steel truss, when the arc-shaped steel truss is locked by the invention, the adjusting rod 17 can rotate on the rotating shaft 16, and the clamping unit 1 can stably lock the steel trusses with different structures.
The medial surface of centre gripping cover 13 on be provided with the arc wall, the both ends of the 13 arc walls of centre gripping cover on the lower holder 12 all are provided with the arc chamfer, the arc wall of centre gripping cover 13 can be convenient for two centre gripping covers 13 and cooperate and carry out the centre gripping locking with the pipe of steel truss upper end, when the steel truss is the arc structure, the arc chamfer at arc wall both ends can prevent that the outer end of centre gripping cover 13 from supporting the both ends at the steel truss for the point contact causes the not firm problem of steel truss locking between centre gripping cover 13 and the steel truss.
Arc-shaped clamping pads 18 are arranged at two ends of an arc-shaped groove formed in the clamping sleeve 13 on the upper clamping frame 11, the arc-shaped clamping pads 18 are arranged in the middle of the arc-shaped groove formed in the clamping sleeve 13 on the lower clamping frame 12, the arc-shaped clamping pads 18 are made of flexible materials, and the arc-shaped clamping pads 18 on the clamping sleeve 13 are matched with each other, so that the straight steel truss or the arc-shaped steel truss can be locked, and the applicability of the invention is improved.
The bottom of the horizontal section of the upper clamping frame 11 is provided with a righting sleeve 19 of a telescopic structure, the righting sleeve 19 is of a hollow cylinder structure, the righting sleeve 19 is arranged on the periphery of the locking hole 14 on the upper clamping frame 11, the top of the horizontal section of the lower clamping frame 12 is provided with a counterpoint ring 110 matched with the righting sleeve 19, the counterpoint ring 110 is positioned in the telescopic structure of the righting sleeve 19, the counterpoint ring 110 is arranged on the periphery of the locking hole 14 on the lower clamping frame 12, the righting sleeve 19 is matched with the counterpoint ring 110 to counterpoint the upper clamping frame 11 and the lower clamping frame 12 when in butt joint, and the locking simplicity degree between the upper clamping frame 11 and the lower clamping frame 12 is increased.
Laminating frame 53 be upper end open-ended hollow structure, laminating frame 53 has seted up square groove 55 on its width direction's the lateral wall, laminating extension board 57 is installed through laminating spring 56 to laminating frame 53's hollow structure's lower lateral wall, laminating roof 58 passes through the hinge mount on laminating extension board 57's top, laminating roof 58 can laminate under the connection effect of hinge on the bottom of steel truss, can drive laminating spring 56 when steel truss pressurized moves down and take place the shrink.
Laminating extension board 57 and laminating frame 53 between be sliding fit, the both ends of laminating extension board 57 all are provided with a pointer piece 59, pointer piece 59 passes square groove 55, be provided with the scale sign on laminating frame 53 width direction's the side perpendicularly, the scale sign symmetry sets up the both sides at square groove 55, laminating extension board 57 can move down when the steel truss pressurized moves down, different scales on pointer piece 59 can the directional laminating frame 53 increase the intuitionism that the steel truss detected.
The upper side surface of the middle part of the downward pressing support plate 7 is provided with a sleeving rod 71, the sleeving rod 71 is sleeved with a pressing block 72 of an annular structure, the downward pressing force of the downward pressing support plate 7 can be increased by sleeving the pressing block 72 on the sleeving rod 71, and the downward pressing support plate 7 can uniformly act on the left end and the right end of the steel truss in a mode that the pressing block 72 is sleeved on the sleeving rod 71.
As shown in fig. 1, the method for detecting the quality of the steel truss building engineering by using the steel truss quality detection device comprises the following steps:
s1, hoisting a steel truss: firstly, the steel truss is hung on an external support frame, so that the steel truss is in a stable state, and the contact position of the support frame and the steel truss can be subjected to modeling replacement, so that the steel truss can support both a straight steel truss and an arc-shaped steel truss;
s2, locking of clamping unit 1: firstly, an upper clamping frame 11 is sleeved on the upper side surface of the upper end of a steel truss, the length of an adjusting rod 17 is adjusted according to the length of the steel truss, so that the positions of clamping units 1 at two ends are symmetrically arranged, then a lower clamping frame 12 is sleeved on the lower side surface of the upper end of the steel truss, clamping sleeves 13 on the upper clamping frame 11 and the lower clamping frame 12 can be attached to the upper end of the steel truss under the connection effect of a hinge, and then the upper clamping frame 11 and the lower clamping frame 12 are locked through bolts, so that the clamping units 1 can be locked at the upper end of the steel truss;
s3, positioning by the clamping plate 4: after the clamping unit 1 is locked, the clamping plate 4 is abutted against the lower end of the steel truss, the lower end of the vertical rod 3 penetrates through a circular hole of the clamping plate 4, the lower end of the vertical rod 3 is locked on the lower side surface of the clamping plate 4 through a nut, so that the clamping plate 4 is abutted against the lower end of the steel truss, and then the attaching support 51 is locked on the ground;
s4, steel truss detection: the upper end of the attaching frame 53 can be abutted against the lower end of the steel truss by screwing the adjusting bolt 54, and then the degree of settlement of the upper end of the attaching frame 53 is observed by placing a weight on the lower pressing support plate 7, thereby judging the stability of the steel truss.
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 quality detection method for the steel truss constructional engineering adopts the following steel truss quality detection device, and the steel truss quality detection device comprises three groups of clamping units (1) which are linearly arranged, and is characterized in that: the clamping device is characterized in that the clamping units (1) are symmetrically connected with cross rods (2), the arrangement directions of the clamping units (1) are perpendicular to the arrangement directions of the cross rods (2), a vertical rod (3) is installed on the bottom of one end, far away from the clamping units (1), of each clamping unit (1), external threads are arranged on the bottom of each vertical rod (3), clamping plates (4) are evenly distributed below two groups of clamping units (1) positioned at the outer ends, round holes corresponding to the positions of the vertical rods (3) one by one are formed in each clamping plate (4), the lower ends of the vertical rods (3) penetrate through the clamping plates (4), the bottoms of the vertical rods (3) are locked on the lower side surfaces of the clamping plates (4) through nuts, one laminating mechanism (5) is distributed on the outer side of each clamping plate (4), and steel wire ropes (6) are arranged on the opposite side surfaces of the two clamping plates (4), the positions of the steel wire ropes (6) on the clamping plate (4) are symmetrically arranged, the downward pressing support plate (7) is positioned right below the clamping unit (1) in the middle, and the side surfaces of the downward pressing support plate (7) corresponding to the clamping plate (4) are connected with the steel wire ropes (6); wherein:
the clamping unit (1) comprises an upper clamping frame (11) and a lower clamping frame (12) which are vertically and symmetrically arranged, the upper clamping frame (11) and the lower clamping frame (12) are both in omega-shaped structures, clamping sleeves (13) are respectively installed on opposite side surfaces of arc-shaped structures of the upper clamping frame (11) and the lower clamping frame (12) through hinges, locking holes (14) with corresponding positions are respectively formed in horizontal sections of the upper clamping frame (11) and the lower clamping frame (12), the upper clamping frame (11) and the lower clamping frame (12) are locked through bolts, supporting bodies (15) are symmetrically arranged on the side surfaces of the upper end of the upper clamping frame (11) along the arrangement direction of the clamping unit (1), and rotating shafts (16) are arranged on the supporting bodies (15);
rotating shafts (16) arranged on the supporting bodies (15) on the two adjacent upper clamping frames (11) are connected through adjusting rods (17), the adjusting rods (17) are of telescopic adjusting structures, and the adjusting rods (17) are in rotating fit with the rotating shafts (16);
the laminating mechanism (5) comprises a laminating support (51) locked on the ground, a limiting frame (52) is installed on the top of the laminating support (51), the upper end of the limiting frame (52) is of a U-shaped structure, a laminating frame (53) is connected in the U-shaped structure of the limiting frame (52) in a sliding fit mode, the bottom of the laminating frame (53) is connected with the upper end of an adjusting bolt (54) through a bearing, and the middle of the adjusting bolt (54) is connected to the middle of the limiting frame (52) in a thread fit mode;
the method for detecting the quality of the steel truss building engineering by adopting the steel truss quality detection device comprises the following steps:
s1, hoisting a steel truss: firstly, hoisting a steel truss on an external support frame to enable the steel truss to be in a stable state;
s2, locking the clamping unit (1): firstly, an upper clamping frame (11) is sleeved on the upper side face of the upper end of a steel truss, the length of an adjusting rod (17) is adjusted according to the length of the steel truss, so that the positions of clamping units (1) at two ends are symmetrically arranged, then a lower clamping frame (12) is sleeved on the lower side face of the upper end of the steel truss, clamping sleeves (13) on the upper clamping frame (11) and the lower clamping frame (12) can be attached to the upper end of the steel truss under the connection effect of a hinge, and then the upper clamping frame (11) and the lower clamping frame (12) are locked through bolts, so that the clamping units (1) can be locked at the upper end of the steel truss;
s3, positioning of the clamping plate (4): after the clamping unit (1) is locked, the clamping plate (4) is abutted against the lower end of the steel truss, the lower end of the vertical rod (3) penetrates through a round hole of the clamping plate (4), the lower end of the vertical rod (3) is locked on the lower side surface of the clamping plate (4) through a nut, so that the clamping plate (4) is abutted against the lower end of the steel truss, and then the attaching support (51) is locked on the ground;
s4, steel truss detection: the upper end of the attaching frame (53) can be abutted against the lower end of the steel truss by screwing the adjusting bolt (54), and then the degree of settlement of the upper end of the attaching frame (53) is observed by placing a heavy object on the pressing support plate (7), so that the stability of the steel truss is judged.
2. The steel truss construction engineering quality detection method according to claim 1, wherein the method comprises the following steps: the upper side surface of the middle part of the lower pressing support plate (7) is provided with a sleeving rod (71), and the sleeving rod (71) is sleeved with a pressing block (72) with an annular structure.
3. The steel truss construction engineering quality detection method according to claim 1, wherein the method comprises the following steps: laminating frame (53) be upper end open-ended hollow structure, laminating frame (53) have seted up square groove (55) on its width direction's the lateral wall, laminating extension board (57) are installed through laminating spring (56) to the lower lateral wall of the hollow structure of laminating frame (53), laminating roof (58) pass through the hinge mount on the top of laminating extension board (57).
4. The steel truss construction engineering quality detection method according to claim 3, wherein the method comprises the following steps: laminating extension board (57) and laminating frame (53) between be sliding fit, the both ends of laminating extension board (57) all are provided with a pointer piece (59), pointer piece (59) pass square groove (55), be provided with the scale mark on laminating frame (53) width direction's the side perpendicularly, the scale mark symmetry sets up the both sides in square groove (55).
5. The steel truss construction engineering quality detection method according to claim 1, wherein the method comprises the following steps: the inner side surface of the clamping sleeve (13) is provided with an arc-shaped groove, and both ends of the arc-shaped groove of the clamping sleeve (13) on the lower clamping frame (12) are provided with arc-shaped chamfers.
6. The steel truss construction engineering quality detection method according to claim 5, wherein the method comprises the following steps: arc-shaped clamping pads (18) are arranged at two ends of an arc-shaped groove formed in the clamping sleeve (13) on the upper clamping frame (11), the arc-shaped clamping pads (18) are arranged in the middle of the arc-shaped groove formed in the clamping sleeve (13) on the lower clamping frame (12), and the arc-shaped clamping pads (18) are made of flexible materials.
7. The steel truss construction engineering quality detection method according to claim 1, wherein the method comprises the following steps: the bottom of the horizontal section of the upper clamping frame (11) is provided with a righting sleeve (19) with a telescopic structure, the righting sleeve (19) is of a hollow cylinder structure, and the righting sleeve (19) is arranged on the periphery of a locking hole (14) in the upper clamping frame (11).
8. The steel truss construction engineering quality detection method according to claim 7, wherein the method comprises the following steps: the top of the horizontal section of the lower clamping frame (12) is provided with an aligning ring (110) matched with the aligning sleeve (19), the aligning ring (110) is positioned in the telescopic structure of the aligning sleeve (19), and the aligning ring (110) is arranged on the periphery of the locking hole (14) on the lower clamping frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989268.8A CN111947913A (en) | 2020-09-18 | 2020-09-18 | Steel truss constructional engineering quality detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989268.8A CN111947913A (en) | 2020-09-18 | 2020-09-18 | Steel truss constructional engineering quality detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111947913A true CN111947913A (en) | 2020-11-17 |
Family
ID=73356946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010989268.8A Withdrawn CN111947913A (en) | 2020-09-18 | 2020-09-18 | Steel truss constructional engineering quality detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111947913A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049199A (en) * | 2021-02-27 | 2021-06-29 | 江西奕方农业科技有限公司 | Vacuum tank air tightness detection equipment |
| CN116429773A (en) * | 2023-06-08 | 2023-07-14 | 中铁建工集团有限公司 | Safety monitoring device of steel truss reinforcing structure |
-
2020
- 2020-09-18 CN CN202010989268.8A patent/CN111947913A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049199A (en) * | 2021-02-27 | 2021-06-29 | 江西奕方农业科技有限公司 | Vacuum tank air tightness detection equipment |
| CN116429773A (en) * | 2023-06-08 | 2023-07-14 | 中铁建工集团有限公司 | Safety monitoring device of steel truss reinforcing structure |
| CN116429773B (en) * | 2023-06-08 | 2023-08-11 | 中铁建工集团有限公司 | Safety monitoring device of steel truss reinforcing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111947913A (en) | Steel truss constructional engineering quality detection method | |
| CN114776047B (en) | Steel beam installation and fixation device and implementation method | |
| CN111075212B (en) | H shaped steel roof beam installation interfacing apparatus of two-way regulation | |
| CN110965688B (en) | Method for constructing and processing section steel for light section steel structure factory building | |
| CN113431186A (en) | Construction method of ultra-large-span double-high-vanadium-cable curved beam string | |
| CN110900082A (en) | Large I-beam welding platform and welding method | |
| CN110748194B (en) | Building supporting device and construction method | |
| JP2018204379A (en) | Joint structure for steel material | |
| CN111576501A (en) | Bending resistance test system for vertically and upwardly loading tubular pile | |
| CN107642049B (en) | Device for replacing main cable clamp of suspension bridge and installation method of device | |
| CN214738756U (en) | Steel construction building connecting device | |
| CN216144597U (en) | Microcomputer controlled constant stress pressure tester | |
| CN210720117U (en) | Self-balancing reinforcing bar and concrete bonding testing arrangement that slides | |
| CN210049110U (en) | Pier adjusting device and pier adjusting system | |
| CN212350967U (en) | Pipeline welding is to mouthful device | |
| CN210067495U (en) | Hole aligning fixing device for butt joint of H-shaped steel stand columns | |
| CN212270909U (en) | Be used for building construction stake vertical connection fixing device | |
| CN110630081A (en) | Installation device of heavy steel column and installation and alignment method thereof | |
| CN219175906U (en) | Building wall column verticality adjusting device | |
| CN217232814U (en) | Adjusting device for vertical butt joint construction of prefabricated column | |
| CN214993151U (en) | Accurate quick positioner of short tower cable-stay bridge branch silk pipe cable saddle | |
| CN218003109U (en) | Multi-angle unilateral bolt group test device | |
| CN215215526U (en) | Bridge amount of deflection long-term monitoring mounting structure based on big dipper navigation | |
| CN216780885U (en) | Turning tool for steel pipe welding manufacturing | |
| CN219137680U (en) | Positioning tool for guide frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201117 |
|
| WW01 | Invention patent application withdrawn after publication |