CN113686669B - Draw detector for anchoring performance of embedded connecting piece and construction method thereof - Google Patents
Draw detector for anchoring performance of embedded connecting piece and construction method thereof Download PDFInfo
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- CN113686669B CN113686669B CN202110934350.5A CN202110934350A CN113686669B CN 113686669 B CN113686669 B CN 113686669B CN 202110934350 A CN202110934350 A CN 202110934350A CN 113686669 B CN113686669 B CN 113686669B
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- 238000004873 anchoring Methods 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000011178 precast concrete Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0244—Tests performed "in situ" or after "in situ" use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0258—Non axial, i.e. the forces not being applied along an axis of symmetry of the specimen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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Abstract
The invention discloses a drawing detector for anchoring performance of an embedded connecting piece and a construction method thereof. The clamp assembly is used for connecting the plate-shaped embedded parts, wherein the clamp parts can be correspondingly connected and replaced corresponding to different embedded parts; by arranging the counter-force base, the counter-force required during loading and the installation of the clamp assembly are ensured, and the levelness requirement of loading is also ensured; the perpendicularity in the detection process can be further ensured through the arrangement of the laser locator on the seat body and the laser receiving plate on the clamp part; the concrete slabs with different heights or types can be conveniently moved through the arrangement of the adjusting piece under the seat body.
Description
Technical Field
The invention belongs to the technical field of building detection construction, and particularly relates to a drawing detector for anchoring performance of a pre-buried connecting piece and a construction method thereof.
Background
At present, a sandwich heat-insulating outer wall consists of a finish coat, a heat-insulating layer and a structural layer, wherein the finish coat, the heat-insulating layer and the structural layer are connected into a whole by using a drawknot piece in the production process of a factory, and a stainless steel heat-insulating embedded connecting piece is required to bear design tension. However, in the embedded connecting piece test piece, because the test piece cannot be fixed in the detection process, a special fixing device is required to be designed, the test piece and the connecting piece are combined through the connecting device, so that the test piece can be completely fixed and vertically stretched, and the test piece meets the requirement of annex C in the technical specification of anchoring after a concrete structure, and therefore, whether the quality of the connecting piece meets the design requirement can be judged. At present, the connection of the embedded part and the anchor rod tension meter is lack, and the vertical stress of the connecting part in the test needs to be specially designed.
Disclosure of Invention
The invention provides a drawing detector for anchoring performance of a pre-buried connecting piece and a construction method thereof, which are used for solving the technical problems of connection, perpendicularity assurance, counterforce base design and the like in drawing monitoring of the pre-buried connecting piece in an outer wall precast concrete slab.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides an anchor performance drawing detector of pre-buried connecting piece, contains the built-in fitting that connects in precast concrete board, connects in the anchor clamps subassembly of the upper portion extension end of built-in fitting, the counter-force base of fixed connection anchor clamps subassembly, the drawing connecting portion of connecting the extension end of counter-force base top of connecting the anchor clamps subassembly extension, the connecting wire of connecting drawing connecting portion, the detection table of connecting in the connecting wire extension end and detect loading portion;
the embedded part comprises a plate-shaped embedded plate, an embedded plate connecting hole and an embedded plate rib penetrating hole, wherein the embedded plate connecting hole and the embedded plate rib penetrating hole are formed in the embedded plate; the embedded plate connecting hole is positioned at the upper part of the embedded plate and corresponds to the detachable connecting clamp assembly; the embedded plate rib penetrating holes are correspondingly connected with steel bars in the concrete slab;
the clamp assembly comprises a clamp part connected with the embedded plate connecting hole, a clamp rod connected to the top of the clamp part, and a clamp main end connecting head connected to the clamp rod and connected with the clamp part in a shaft way; the clamp rod comprises an upper clamp main threaded rod and a lower clamp main smooth rod, the clamp main threaded rod penetrates out of the counter-force base, and the bottom end of the clamp main smooth rod is connected with the clamp main end connecting head;
the reaction base comprises a base top horizontally arranged, a base top hole arranged in the middle of the base top and connected with the main threaded rod in a penetrating manner, a base body respectively connected with two ends of the base top in the longitudinal direction in an adjustable manner, and an adjusting piece connected with the bottom of the base body; the adjusting member is adjustable or rotatably connected to the top surface of the connection.
Further, the embedded plate connecting holes at least comprise two types of holes, one type is two oblique elliptical holes which are arranged in a splayed shape, the other type is a circular hole, and the circular hole is arranged below the center line of the two oblique elliptical holes; the embedded plate rib penetrating holes are arranged corresponding to main ribs and bent ribs in the concrete.
Further, the clamp part comprises a clamp part main body and a clamp part connecting hole, the clamp part is an inverted U-shaped piece, and a groove is formed in the middle line of the bottom of the clamp part and corresponds to the embedded plate; the clamp part connecting holes are arranged on the side face of the clamp part and symmetrically penetrate through the clamp part, the clamp part connecting holes are round holes and correspond to the embedded plate connecting holes, and the clamp part connecting holes and the embedded plate connecting holes are spliced through the pin rod.
Further, the width of the groove of the clamp part is smaller than one third of the width of the clamp part, and the length of the clamp part is larger than the length of the embedded plate; the laser receiving plates are detachably connected to the lower parts of the two ends of the clamp part in the length direction.
Furthermore, the clamp main end connecting head is trapezoid, round or square, the cross section of the clamp main end connecting head is U-shaped, and the clamp main end connecting head and the clamp part are integrally or detachably connected; the clamp main end connecting head is rotatably connected with the clamp main smooth rod through a connecting shaft.
Further, the clamp main smooth rod comprises rod pieces at the lower sides of the upper straight rod end and the lower straight rod end, the diameter of the rod pieces is larger than that of the upper rod piece, and connecting holes are formed in the lower rod pieces corresponding to the connecting shafts; the clamp main threaded rod is integrally connected with the smooth rod, and a clamp nut is connected to the clamp main threaded rod through threads; the clamping nut is correspondingly connected above the seat top.
Further, the seat top is a square thick plate, the strength of the seat top is larger than the loading acting force, and at least four corners of the seat top are provided with top connecting pins; the lower end of the top connecting pin is fixedly connected with the detachable upper end of the seat body through a top connecting nut.
Furthermore, the seat bodies are rectangular body pieces, the two seat bodies are connected to opposite sides of the seat top in parallel, and pin holes are formed at two ends of the top of the seat body corresponding to the top connecting pins; the lower part of the seat body is provided with a notch which is detachably connected with the adjusting piece through the adjusting and inserting rod; the inner side of the seat body is provided with a laser locator corresponding to the laser receiving plate.
Further, the adjusting piece is a square piece arranged corresponding to the notch of the seat body, and the flatness of the bottom of the square piece is arranged corresponding to the flatness of the connecting top surface; or the adjusting piece is an annular wheel piece, and the annular wheel piece is correspondingly connected with the guide rail paved on the top surface in a rotatable way.
Further, the construction method of the embedded connecting piece anchoring performance drawing detector comprises the following specific steps:
step one, pre-selecting a detection loading part, a detection meter, a connecting wire, a drawing connecting part, a counter-force base and a clamp assembly according to the design pulling force of an embedded part in a sandwich heat-insulating outer wall to be manufactured and the specification of the embedded part; the sandwich heat-insulating outer wall comprises a concrete slab, a heat-insulating layer and a facing layer, and the three parts are required to be connected into a whole during manufacturing, so that the embedded part is required to detect the tensile pull-out force of the embedded part in advance and adapt to connection; wherein the overall weight of the reaction base is greater than the loading force;
step two, determining the positions of embedded parts, and classifying the embedded parts with the same or similar specifications; designing a clamp assembly corresponding to each category, wherein clamp connecting holes in the clamp part are suitable for embedded plate connecting holes of all embedded parts in the same category;
step three, manufacturing a concrete plate and connecting the concrete plate with the embedded part, and detecting the embedded part after the strength of the concrete plate meets the detection requirement; selecting adjusting parts according to the flatness and horizontal elevation of the concrete slab, and selecting adjusting parts with different heights correspondingly especially when the top surface of the concrete is staggered;
step four, connecting the selected adjusting piece with the seat body through an adjusting bolt, and installing the adjusting piece on two sides of the embedded piece; then connecting the assembled clamp assembly with the embedded part, wherein the clamp part connecting hole in the clamp part corresponds to the embedded plate connection Kong Xiaojie; a laser positioner is arranged on the inner side of the seat body and is adjusted corresponding to the laser receiving plate connected with the clamp part; the laser receiving area on the laser receiving plate is cuboid, the width of the laser receiving area corresponds to the maximum offset of the clamp part of the drawing laboratory, the laser positioner is connected with the computer, a threshold alarm is set, and the alarm is sounded when the laser verticality is offset to the threshold;
installing a seat top on the seat body, enabling the clamp main threaded rod to penetrate through the seat top hole and be temporarily fixed through the clamp nut, enabling the seat top to be connected with the seat body through the top connecting pin, and adjusting the horizontal plane until the centering of the level bubble on the seat top meets the flatness requirement;
step six, connecting a drawing connecting part at the top of the clamp main threaded rod, and connecting a detection loading part and a detection meter through a connecting wire, so that a drawing test is performed, and monitoring verticality during drawing while loading is performed, so that the drawing test meets design requirements;
step seven, after the detection of one embedded part is finished, separating the clamp part from the embedded part; the guide rails are paved on two long-distance embedded parts on the concrete slab, and square parts of the adjusting parts are replaced by annular wheel parts, so that the adjusting parts are moved; or the annular wheel piece is provided with a brake, so that a detection test can be performed on the track, and the detection of the next embedded piece is performed; in the detection process, the clamp parts are replaced to carry out corresponding detection on different types, so that all detection is completed.
The beneficial effects of the invention are as follows:
1) According to the invention, through the arrangement of the clamp assembly, the clamp assembly is used for connecting the plate-shaped embedded parts on one hand, and the vertical drawing of the clamp rod piece is used for guaranteeing the detection test; the clamp part can be correspondingly connected and replaced corresponding to different embedded parts, and can be greatly suitable for site construction;
2) The invention ensures the installation of the counterforce and the clamp assembly required by the loading of the drawing test and the levelness requirement of the loading through the arrangement of the counterforce base, wherein the arrangement of the jacking pin and the level bubble can further ensure the levelness requirement of the loading;
3) According to the invention, through the arrangement of the laser locator on the seat body and the laser receiving plate on the clamp part, the verticality in the detection process can be further ensured; the concrete plates with different heights or types can be conveniently moved through the arrangement of the adjusting piece under the seat body;
in addition, the detector can be greatly adapted to the detected components, so that labor is saved and detection quality is provided; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary object and other advantages of the invention may be realized and attained by means of the instrumentalities and particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic diagram of a pre-buried connector anchoring performance pull-out detector connection;
FIG. 2 is a schematic illustration of a pullout connection, a reaction base, a clamp assembly, and a connection thereof;
FIG. 3 is a schematic view of a reaction force base structure;
FIG. 4 is a top plan view of the seat top;
FIG. 5 is a schematic view of a clamp assembly;
FIG. 6 is a schematic illustration of the attachment of the clamp assembly to the embedment;
fig. 7 is a schematic view of the structure of the embedded part.
Reference numerals: 1-detection loading part, 2-detection meter, 3-connecting wire, 4-drawing connecting part, 5-counter force base, 51-seat top, 52-top connecting pin, 53-top connecting nut, 54-seat body, 55-adjusting piece, 56-adjusting bolt, 57-guide rail, 58-seat top hole, 59-level bubble, 6-clamp assembly, 61-clamp main threaded rod, 62-clamp nut, 63-clamp main light slide bar, 64-clamp main end connecting head, 65-connecting shaft, 66-clamp part, 661-clamp part main body, 662-clamp part connecting hole, 7-embedded piece, 71-embedded plate, 72-embedded plate connecting hole, 73-embedded plate penetrating hole and 8-concrete plate.
Detailed Description
Taking sandwich heat-insulating outer wall of a super high-rise building as an example, in order to ensure that the drawing stress of the embedded connecting piece in the outer wall meets the design requirement in the manufacturing process, the embedded connecting piece is correspondingly detected. As shown in fig. 1 to 7, a pull-out detector for anchoring performance of an embedded connecting piece comprises an embedded part 7 connected to a precast concrete slab 8, a clamp assembly 6 connected to an extending end of the upper part of the embedded part 7, a counter-force base 5 fixedly connected with the clamp assembly 6, a pull-out connecting part 4 connected with the clamp assembly 6 and extending out of the top of the counter-force base 5, a connecting wire 3 connected with the pull-out connecting part 4, a detection meter 2 connected with the extending end of the connecting wire 3 and a detection loading part 1; the loading part and the detection table 2 are applied to construction through the anchor rod tension meter and the detection table 2.
In this embodiment, the embedded part 7 includes a steel plate-shaped embedded plate 71, an embedded plate connecting hole 72 and an embedded plate rib penetrating hole 73 which are arranged on the embedded plate 71; the embedded plate connecting hole 72 is positioned at the upper part of the embedded plate 71 and is correspondingly connected with the clamp assembly 6 by pin joint; the embedded plate rebar penetrating holes 73 are correspondingly connected with rebar in the concrete slab 8.
As shown in fig. 7, the embedded plate connecting hole 72 comprises two types of holes, one type is two oblique elliptical holes arranged in a splayed shape, the other type is a circular hole, and the circular hole is arranged below the center line of the two oblique elliptical holes; the embedded plate rib penetrating holes 73 are identical to the embedded connecting holes and are symmetrically arranged, and the embedded plate rib penetrating holes 73 correspond to main ribs and bent ribs in the concrete.
As shown in fig. 2 to 4, the reaction force base 5 comprises a horizontally arranged seat top 51, a seat top hole 58 arranged in the middle of the seat top 51 and connected with a main threaded rod 61 in a penetrating manner, a seat body 54 respectively connected with two longitudinal ends of the seat top 51 in an adjustable manner, and an adjusting piece 55 connected with the bottom of the seat body 54; the adjustment member 55 is adjustable or rotatably connected to the top surface of the connection.
In this embodiment, the seat top 51 is made of square thick steel plate, the strength is greater than the loading force, and at least four corners of the seat top 51 are provided with top connecting pins 52; the lower end of the top connecting pin 52 is fixedly connected with the detachable upper end of the seat body 54 through a top connecting nut 53. Wherein the top link pin 52 is a steel square or cylinder.
In this embodiment, the seat body 54 is a steel rectangular body, two seat bodies 54 are connected to opposite sides of the seat top 51 in parallel, and two ends of the top of the seat body 54 are provided with pin holes corresponding to the top connecting pins 52. The lower part of the seat body 54 is provided with a notch which is connected with the adjusting piece 55 through the inserting rod. A laser locator is provided inside the seat 54 corresponding to the laser receiving plate.
In this embodiment, the adjusting member 55 is a square steel member disposed corresponding to the notch of the seat body 54, and the flatness of the bottom of the square member is disposed corresponding to the flatness of the top surface of the connection; or the adjusting piece 55 is a steel annular wheel piece which is rotatably connected with a guide rail 57 paved on the corresponding connection top surface; or the annular wheel piece is provided with a braking system, so that detection tests can be directly carried out on the track, and detection and movement are facilitated.
As shown in fig. 5 and 6, the clamp assembly 6 includes a clamp portion 66 connected to the pre-buried plate connecting hole 72, a clamp rod connected to the top of the clamp portion 66, and a clamp main end connecting head 64 connected to the clamp rod and pivotally connected to the clamp portion 66; the clamp rod comprises an upper clamp main threaded rod 61 and a lower clamp main smooth rod 63, the clamp main threaded rod 61 penetrates out of the counter-force base 5, and the bottom end of the clamp main smooth rod 63 is connected with a clamp main end connecting head 64.
In this embodiment, the jig portion 66 includes a jig portion main body 661 and a jig portion connecting hole 662. The clamp 66 is an inverted U-shaped steel member, and a groove is formed in the bottom center line of the clamp 66 and corresponds to the embedded plate 71. The clamp connecting holes 662 are arranged on the side surface of the clamp 66 and symmetrically penetrate through the clamp connecting holes 662, and the clamp connecting holes 662 are round holes and correspond to the embedded plate connecting holes 72 and are inserted through the pin rods.
In this embodiment, the width of the groove of the clamp portion 66 is smaller than one third of the width of the clamp portion 66, and the length of the clamp portion 66 is longer than the length of the embedded plate 71; the jig portion 66 is bolted to the lower portions of both ends in the long direction.
In this embodiment, the clip main end connector 64 is a steel trapezoid, circle or square having a U-shaped cross section. The clip main end connector 64 is integral with the clip portion 66 or bolted thereto; the clip main end connector 64 is rotatably connected to the clip main smooth rod 63 by a connecting shaft 65. The clamp main smooth rod 63 is a steel rod, the diameter of a rod piece comprising the lower side of the upper and lower linear rod ends is larger than that of the upper rod piece, and the lower rod piece is provided with a connecting hole corresponding to the connecting shaft 65. The clamp main threaded rod 61 is integrally connected with the smooth rod, and a clamp nut 62 is connected to the clamp main threaded rod 61 in a threaded manner; the clip nut 62 is correspondingly connected above the seat top 51.
Referring to fig. 1 to 7, a construction method of the pull-out detector for anchoring performance of the embedded connecting piece is further described, and the specific steps are as follows:
step one, according to the design tension of an embedded part 7 and the specification of the embedded part 7 in a sandwich heat-insulating outer wall to be manufactured, a detection loading part 1, a detection table 2, a connecting wire 3, a drawing connecting part 4, a counter-force base 5 and a clamp assembly 6 are selected in advance; the sandwich heat-insulating outer wall comprises a concrete slab 8, a heat-insulating layer and a facing layer, and the three parts of the embedded part 7 are required to be connected into a whole during manufacturing, so that the embedded part 7 is required to detect the tensile pull-out force of the embedded part in advance and adapt to connection; wherein the overall weight of the reaction base 5 is greater than the loading force.
Step two, determining the position of the embedded part 7, and classifying the embedded parts with the same or similar specifications; the design of the clamp assembly 6 is performed corresponding to each category, wherein the clamp portion connecting holes 662 in the clamp portion 66 are adapted to the embedded plate connecting holes 72 of all embedded parts 7 in the same category.
Step three, manufacturing a concrete slab 8 and connecting the concrete slab 8 with the embedded part 7, and detecting the embedded part 7 after the strength of the concrete slab 8 meets the detection requirement; the adjusting members 55 are selected according to the flatness and the horizontal elevation of the concrete slab 8, and particularly, when the top surface of the concrete is staggered, the adjusting members 55 with different heights are correspondingly selected.
Step four, connecting the selected adjusting piece 55 with the seat body 54 through an adjusting bolt 56, and installing the adjusting piece on two sides of the embedded piece 7; then connecting the assembled clamp assembly 6 corresponding to the embedded part 7, wherein the clamp part connecting holes 662 in the clamp part 66 correspond to the embedded plate connecting holes 72 in a pin joint manner; a laser positioner is arranged on the inner side of the seat body 54 and is adjusted corresponding to the laser receiving plate connected with the clamp part 66; the laser receiving area on the laser receiving plate is cuboid, the width of the laser receiving area corresponds to the maximum offset of the drawing laboratory clamp part 66, the laser positioner is connected with a computer, a threshold alarm is set, and the alarm is sounded when the laser verticality is offset to the threshold.
And fifthly, installing the seat top 51 on the seat body 54, enabling the clamp main threaded rod 61 to pass through the seat top hole 58 and be temporarily fixed through the clamp nut 62, enabling the seat top 51 to be connected with the seat body 54 through the top connecting pin 52, and adjusting the horizontal plane until the level bubble 59 on the seat top 51 is centered to meet the flatness requirement.
Step six, connecting a drawing connecting part 4 at the top of the clamping main threaded rod 61 and connecting a detection loading part 1 and a detection table 2 through a connecting wire 3, thereby carrying out a drawing test, and monitoring the perpendicularity during drawing while loading and monitoring so that the drawing test meets the design requirement.
Step seven, after the detection of one embedded part 7 is finished, the clamp part 66 is separated from the embedded part 7; the guide rails 57 are paved on the two long-distance embedded parts 7 on the concrete slab 8, and the square parts of the adjusting parts 55 are replaced by annular wheel parts, so that the moving is performed; or the annular wheel piece is provided with a brake, so that a detection test can be performed on the track, and the next embedded piece 7 is detected; in the detection process, the clamp part 66 is replaced to perform corresponding detection for different types, so that all detection is completed.
The foregoing is merely illustrative of preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any changes or substitutions that would occur to those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The construction method of the embedded connecting piece anchoring performance drawing detector is characterized by comprising an embedded piece (7) connected to a precast concrete plate (8), a clamp assembly (6) connected to the extending end of the upper portion of the embedded piece (7), a counter-force base (5) fixedly connected with the clamp assembly (6), a drawing connecting part (4) connected with the extending end of the top of the counter-force base (5) and extending out of the clamp assembly (6), a connecting wire (3) connected with the drawing connecting part (4), a detection meter (2) connected with the extending end of the connecting wire (3) and a detection loading part (1);
the embedded part (7) comprises a plate-shaped embedded plate (71), an embedded plate connecting hole (72) and an embedded plate rib penetrating hole (73) which are arranged on the embedded plate (71); the embedded plate connecting hole (72) is positioned at the upper part of the embedded plate (71) and corresponds to the detachable connecting clamp assembly (6); the embedded plate rib penetrating holes (73) are correspondingly connected with steel bars in the concrete slab (8);
the clamp assembly (6) comprises a clamp part (66) connected with the embedded plate connecting hole (72), a clamp rod connected to the top of the clamp part (66) and a clamp main end connecting head (64) connected to the clamp rod and connected with the clamp part (66) in a shaft way; the clamp rod comprises an upper clamp main threaded rod (61) and a lower clamp main smooth rod (63), the clamp main threaded rod (61) penetrates out of the counter-force base (5), and the bottom end of the clamp main smooth rod (63) is connected with a clamp main end connecting head (64);
the reaction base (5) comprises a base top (51) horizontally arranged, a base top hole (58) arranged in the middle of the base top (51) and connected with a main threaded rod (61) in a penetrating way, a base body (54) respectively connected with the two long ends of the base top (51) in an adjustable way, and an adjusting piece (55) connected with the bottom of the base body (54); the adjusting element (55) is adjustable or rotatably connected to the connecting top surface;
the construction method for the pull-out detector by applying the anchoring performance of the embedded connecting piece comprises the following specific steps:
step one, according to the design tension of an embedded part (7) and the specification of the embedded part (7) in a sandwich heat-insulating outer wall to be manufactured, a detection loading part (1), a detection table (2), a connecting wire (3), a drawing connecting part (4), a counter-force base (5) and a clamp assembly (6) are selected in advance; the sandwich heat-insulating outer wall comprises a concrete slab (8), a heat-insulating layer and a facing layer, and the three parts of the embedded part (7) are required to be connected into a whole during manufacturing, so that the embedded part (7) is required to detect tensile pull-out force of the embedded part in advance to adapt to connection; wherein the overall weight of the counter-force base (5) is greater than the loading force;
step two, determining the positions of the embedded parts (7), and classifying the embedded parts with the same or similar specifications; designing a clamp assembly (6) corresponding to each type, wherein clamp connecting holes (662) in the clamp part (66) are suitable for embedded plate connecting holes (72) of all embedded parts (7) in the same type;
step three, manufacturing a concrete plate (8) and connecting the embedded part (7), and detecting the embedded part (7) after the strength of the concrete plate (8) meets the detection requirement; selecting an adjusting piece (55) according to the flatness and the horizontal elevation of the concrete slab (8), and selecting adjusting pieces (55) with different heights correspondingly especially when the top surface of the concrete is staggered;
step four, connecting the selected adjusting piece (55) with the seat body (54) through an adjusting bolt (56) and installing the adjusting piece on two sides of the embedded piece (7); then connecting the assembled clamp assembly (6) with the embedded part (7), wherein the clamp part connecting hole (662) in the clamp part (66) is in pin joint with the embedded plate connecting hole (72); a laser positioner is arranged on the inner side of the seat body (54) and is adjusted corresponding to a laser receiving plate connected with the clamp part (66); the laser receiving area on the laser receiving plate is cuboid, the width of the laser receiving area corresponds to the maximum offset of the clamp part (66) of the drawing laboratory, the laser positioner is connected with a computer, a threshold value alarm is set, and the alarm is sounded when the laser verticality is offset to the threshold value;
installing a seat top (51) on the seat body (54), enabling a clamp main threaded rod (61) to penetrate through a seat top hole (58) and be temporarily fixed through a clamp nut (62), enabling the seat top (51) to be connected with the seat body (54) through a top connecting pin (52) and adjusting a horizontal plane until a level bubble (59) on the seat top (51) is centered to meet the flatness requirement;
step six, connecting a drawing connecting part (4) at the top of the clamping main threaded rod (61) and connecting a detection loading part (1) and a detection table (2) through a connecting wire (3), thereby carrying out a drawing test, and monitoring verticality during drawing while loading, so that the drawing test meets design requirements;
step seven, after the detection of one embedded part (7), separating the clamp part (66) from the embedded part (7); the guide rail (57) is paved on two long-distance embedded parts (7) on the concrete slab (8), and the adjusting part (55) is changed into an annular wheel part from a square part, so that the moving is performed; or the annular wheel piece is provided with a brake, so that a detection test can be carried out on the track, and the detection of the next embedded piece (7) is carried out; in the detection process, the clamp parts (66) are replaced to correspondingly detect different types, so that all detection is completed.
2. The construction method of the pre-buried connecting piece anchoring performance drawing detector according to claim 1, wherein the pre-buried plate connecting hole (72) at least comprises two types of holes, one type is two splayed oblique elliptical holes, the other type is a circular hole, and the circular hole is arranged below the center line of the two oblique elliptical holes; the embedded plate rib penetrating holes (73) are arranged corresponding to main ribs and bent ribs in the concrete.
3. The construction method of the embedded connecting piece anchoring performance drawing detector according to claim 2, wherein the clamp part (66) comprises a clamp part main body (661) and a clamp part connecting hole (662), the clamp part (66) is an inverted U-shaped piece, and a groove is formed at the bottom center line of the clamp part (66) corresponding to the embedded plate (71); the clamp part connecting holes (662) are arranged on the side face of the clamp part (66) and symmetrically penetrate through the clamp part connecting holes (662) which are circular holes and correspond to the embedded plate connecting holes (72), and the clamp part connecting holes and the embedded plate connecting holes are spliced through pin rods.
4. A construction method of a pull-out detector for anchoring performance of a pre-buried connector according to claim 3, wherein the width of the groove of the clamp portion (66) is smaller than one third of the width of the clamp portion (66), and the length of the clamp portion (66) is larger than the length of the pre-buried plate (71); the fixture part (66) is detachably connected with a laser receiving plate along the length direction and at the lower parts of the two ends.
5. A construction method of a pull-out detector for anchoring performance of a pre-buried connecting piece according to claim 3, wherein the clip main end connecting head (64) is trapezoidal, circular or square, and has a U-shaped cross section, and the clip main end connecting head (64) is integrally or detachably connected with the clip part (66); the clamp main end connecting head (64) is rotatably connected with the clamp main smooth rod (63) through a connecting shaft (65).
6. The construction method of the embedded connecting piece anchoring performance drawing detector according to claim 5, wherein the main clamping smooth rod (63) comprises rod pieces with diameters of lower sides of upper and lower straight rod ends being larger than the diameter of the upper rod piece, and the lower rod piece is provided with a connecting hole corresponding to the connecting shaft (65); the clamp main threaded rod (61) is integrally connected with the smooth rod, and a clamp nut (62) is connected to the clamp main threaded rod (61) in a threaded manner; the clamping nut (62) is correspondingly connected above the seat top (51).
7. The construction method of the embedded connecting piece anchoring performance drawing detector according to claim 6, wherein the seat top (51) is a square thick plate, the strength is larger than the loading acting force, and at least four corners of the seat top (51) are provided with top connecting pins (52); the lower end of the top connecting pin (52) is fixedly connected with the detachable upper end of the seat body (54) through a top connecting nut (53).
8. The construction method of the pull-out detector for anchoring performance of the embedded connecting piece according to claim 7, wherein the seat body (54) is a rectangular body, the two seat bodies (54) are connected to opposite sides of the seat top (51) in parallel, and two ends of the top of the seat body (54) are provided with pin holes corresponding to the top connecting pins (52); the lower part of the seat body (54) is provided with a notch which is detachably connected with the adjusting piece (55) through the adjusting rod; the inner side of the seat body (54) is provided with a laser positioner corresponding to the laser receiving plate.
9. The construction method of the embedded connecting piece anchoring performance drawing detector according to claim 8, wherein the adjusting piece (55) is a square piece arranged corresponding to a notch of the seat body (54), and the flatness of the bottom of the square piece is arranged corresponding to the flatness of the connecting top surface; or the adjusting piece (55) is an annular wheel piece which is correspondingly connected with a guide rail (57) paved on the top surface in a rotatable way.
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