CN109853752B - Steel construction and pre-buried connection structure of concrete - Google Patents
Steel construction and pre-buried connection structure of concrete Download PDFInfo
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- CN109853752B CN109853752B CN201910133253.9A CN201910133253A CN109853752B CN 109853752 B CN109853752 B CN 109853752B CN 201910133253 A CN201910133253 A CN 201910133253A CN 109853752 B CN109853752 B CN 109853752B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims description 9
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 238000003466 welding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The embodiment of the invention discloses a connection structure for pre-burying a steel structure and concrete. The steel structure and concrete pre-buried connection structure comprises: concrete main part, steel construction main part and pre-buried connecting piece in the concrete main part, the connecting piece includes: connecting body, positioning seat, movable clamping jaw cover, a plurality of first bolts and a plurality of first nuts, connecting body and concrete body fixed connection, positioning seat and connecting body fixed connection, movable clamping jaw cover surrounds and rotationally cup joints on the positioning seat, in each first bolt inserts the positioning socket and the location jack that movable clamping jaw cover formed, each first nut cover is established on each first bolt, and first nut and first bolt support respectively in the both sides of location jack, are equipped with a plurality of clamping jaws on the movable clamping jaw cover, steel construction main part and clamping jaw fixed connection. Thereby realize steel construction main part and concrete main part's multi-angle and can dismantle the connection through above-mentioned structure, simple structure, and the suitability is strong.
Description
Technical Field
The embodiment of the invention relates to the field of building installation, in particular to a connection structure for pre-buried steel structures and concrete.
Background
The steel structure building has the advantages of light weight, high strength, excellent plastic toughness and the like, and is widely applied to the design of building structures. The bearing capacity of the steel structure is large, and the connection between the steel structure and the concrete structure determines the stability of the structure, so that the safety and the practicability of the building structure are ensured.
The inventor of the application finds that in the prior art, the connection between the steel structure and the concrete structure is generally realized by embedding the steel embedded part into the concrete and then realizing the connection between the steel structure and the embedded part in a welding mode, and as the steel embedded part and the concrete are directly poured and formed and are not detachable, the steel embedded part and the concrete are inconsistent in deformation, the connection between the steel embedded part and the concrete can be loosened after long-term use, thereby affecting the stability of the building structure.
Disclosure of Invention
The invention aims to provide a steel structure and concrete embedded connection structure so as to realize multi-angle detachable connection of a steel structure main body and a concrete main body, and the steel structure and concrete embedded connection structure is simple in structure and high in applicability.
The embodiment of the invention provides a steel structure and concrete embedded connection structure, which comprises the following components: the concrete body, the steel structure body and the connecting piece are embedded in the concrete body;
the connector includes: the movable clamping jaw comprises a connecting main body, a positioning seat, a movable clamping jaw sleeve, a plurality of first bolts and a plurality of first nuts;
the connecting main body is fixedly connected with the concrete main body;
the positioning seat is fixedly connected with the connecting main body and is positioned outside the concrete main body;
the positioning seat is provided with a plurality of first positioning grooves;
the movable clamping jaw sleeve surrounds and is rotatably sleeved on the positioning seat;
a plurality of second positioning grooves are formed in the inner wall of the movable clamping jaw sleeve;
each first bolt is used for being inserted into a positioning jack formed by the first positioning groove and the second positioning groove so as to limit the movable clamping jaw sleeve to rotate relative to the positioning seat;
the first nuts are sleeved on the first bolts, so that the movable clamping jaw sleeve is fixedly connected with the positioning seat, and the first nuts and the first bolts are respectively propped against two sides of the positioning jack;
the movable clamping jaw sleeve is provided with a plurality of clamping jaws;
the steel structure main body is fixedly connected with the clamping jaw;
the movable clamping jaw sleeve is rotatably sleeved on the positioning seat, the movable clamping jaw sleeve is connected with the steel structure main body, the connecting angle of the movable clamping jaw sleeve and the steel structure main body is adjusted by rotating the movable clamping jaw sleeve, after the angle adjustment is finished, the movable clamping jaw sleeve is fixedly connected with the positioning seat by the first bolt, and therefore the steel structure main body and the concrete main body are connected in a multi-angle and detachable mode, the structure is simple, and the applicability is strong.
In one possible solution, the connection body comprises: the main board, the first frame body and the second frame body are connected;
the first frame body and the second frame body are respectively arranged at two ends of the connecting main board;
the connecting main board, the first frame body and the second frame body are all arranged in the concrete main body;
the positioning seat is fixedly arranged on one side of the connecting main board and is positioned outside the concrete main body;
the first frame body and the second frame body are arranged, so that the connection strength of the connecting main body and the concrete main body is increased, and the stability and the safety of connection are improved.
In one possible solution, the positioning seat is provided with a plurality of first positioning grooves at a first interval;
a plurality of second positioning grooves are formed in the inner wall of the movable clamping jaw sleeve at a second interval;
the first spacing is less than or equal to the second spacing;
the first interval of design is less than or equal to the purpose of second interval can form more location jacks to guarantee the accuracy of actual steel construction main part angle of connection, and avoid appearing connecting instability.
In one possible solution, the plurality of clamping jaws are arranged on the movable clamping jaw sleeve in different directions;
a plurality of clamping jaws in different directions are arranged, so that connection with more angles is realized.
In one possible solution, each jaw is i-shaped, and the dimensions of the i-shape are adapted to the ends of the steel structural body;
the clamping jaw is designed into an I-shaped structure, so that stable connection of the clamping jaw and the steel structure main body is ensured, and the steel structure main body is prevented from sliding.
In a possible scheme, the steel structure and concrete pre-buried connection structure further comprises a plurality of positioning bolts;
a first mounting hole is formed in each clamping jaw, a second mounting hole corresponding to the first mounting hole is formed in the end portion of each steel structure main body, and each positioning bolt is arranged in a corresponding group of the first mounting holes and the second mounting holes, so that the steel structure main body is fixedly connected with the movable clamping jaw sleeve;
positioning bolts are arranged to further fasten the steel structure main body and the movable clamping jaw sleeve.
In one possible scheme, the sections of the first frame body and the second frame body are ladder-shaped and gradually extend to the sides along the direction away from the connecting main board;
the cross sections of the first frame body and the second frame body are ladder-shaped, so that the contact area between the first frame body and the concrete main body and the contact area between the second frame body and the concrete main body are further increased, and the connection strength between the connecting piece and the concrete main body is further increased.
In one possible solution, the positioning seat is hollow cylindrical;
the hollow cylindrical design aims at reducing the weight of the positioning seat and further reducing the cost.
In one possible scheme, threads are arranged in each first positioning groove and each second positioning groove, and threaded holes are formed;
the purpose of the design screw thread is to further tightly connect the first bolt and the positioning socket.
In one possible solution, the connection piece is made of steel material;
the connecting main board, the first frame body, the second frame body and the positioning seat are integrally formed;
steel material and integrated into one piece thereby guarantee joint strength and bearing capacity between steel construction main part and the connecting piece.
Based on the above scheme, the steel structure and concrete embedded connection structure provided by the invention comprises: the concrete body, the steel structure body and the connecting piece pre-buried in the concrete body. The connecting piece includes: the movable clamping jaw comprises a connecting main body, a positioning seat, a movable clamping jaw sleeve, a plurality of first bolts and a plurality of first nuts. Those skilled in the art should know, with connecting the main part pre-buried in the concrete main part, and the positioning seat is connected with connecting the main part, the rotatable cup joint of movable clamping jaw cover is on the positioning seat, movable clamping jaw cover is connected with the steel construction main part, through rotating movable clamping jaw cover, adjust the angle of connection with the steel construction main part, after angle adjustment is accomplished, insert a plurality of first bolts in the location jack that movable clamping jaw cover and positioning seat formed, thereby make movable clamping jaw cover and positioning seat fixed connection, thereby realize the multi-angle of steel construction main part and concrete main part and can dismantle the connection, moreover, the steam generator is simple in structure, and the suitability is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic structural diagram of a steel structure and concrete embedded connection structure in a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a connecting body and a positioning seat according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a movable jaw case according to a first embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a connection relationship between a positioning seat and a movable clamping jaw sleeve according to a first embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a first frame according to a first embodiment of the present invention;
numbering in the figures:
1. a concrete body; 2. a steel structural body; 3. a connecting piece; 31. a connecting body; 311. connecting a main board; 312. a first frame body; 313. a second frame body; 32. a positioning seat; 321. a first positioning groove; 33. a movable clamping jaw sleeve; 331. a second positioning groove; 332. a clamping jaw; 3321. a first mounting hole; 34. a first bolt; 35. a first nut.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; either directly, or indirectly, through intermediaries, may be in communication with each other, or may be in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The technical scheme of the invention is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
Fig. 1 is a schematic structural view of a steel structure and a concrete embedded connection structure in a first embodiment of the present invention, fig. 2 is a schematic structural view of a connection body and a positioning seat in the first embodiment of the present invention, fig. 3 is a schematic structural view of a movable clamping jaw sleeve in the first embodiment of the present invention, fig. 4 is a schematic structural view of a connection relationship between the positioning seat and the movable clamping jaw sleeve in the first embodiment of the present invention, and fig. 5 is a schematic sectional view of a first frame body in the first embodiment of the present invention. As shown in fig. 1, 2, 3 and 4, the connection structure between the steel structure and the concrete in this embodiment includes: a concrete body 1, a steel structure body 2 and a connecting piece 3 pre-buried in the concrete body 1.
The concrete body 1 is a wall or a beam made of concrete and the like, and has a certain bearing capacity. The steel structural body 2 is a beam made of a steel material, and has excellent strength and good working ductility.
Wherein the connector 3 comprises: the connecting body 31, the positioning seat 32, the movable jaw sleeve 33, a plurality of first bolts 34 and a plurality of first nuts 35. The connecting main body 31 is fixedly connected with the concrete main body 1, the positioning seat 32 is fixedly connected with the connecting main body 31 and is positioned outside the concrete main body 1, a plurality of first positioning grooves 321 are formed in the positioning seat 32, and the movable clamping jaw sleeve 33 surrounds and is rotatably sleeved on the positioning seat 32. It should be understood by those skilled in the art that the number of the connecting members 3 may be plural and pre-buried at different height positions. The connecting body 31 is embedded in the concrete body 1, the positioning seat 32 is cylindrical, is fixedly arranged on one side of the connecting body 31 and is positioned outside the concrete body 1, and a plurality of first positioning grooves 321 are formed in the outer side of the positioning seat 32. The inner diameter of the movable clamping jaw sleeve 33 is adapted to the outer diameter of the positioning seat 32, the width of the movable clamping jaw sleeve 33 is the same as the width of the positioning seat 32, and the movable clamping jaw sleeve 33 is in a two-thirds surrounding, a half surrounding or other surrounding manner and is rotatably sleeved on the positioning seat 32, and the embodiment is not limited in any way. The movable jaw cover 33 can rotate along the positioning seat 32, and the movable jaw cover 33 is flush with two sides of the positioning seat 32.
In this embodiment, a plurality of second positioning slots 331 are disposed on the inner wall of the movable jaw case 33, each first bolt 34 is used for being inserted into a positioning insertion hole formed by the first positioning slot 321 and the second positioning slot 331, so as to limit the movable jaw case 33 to rotate relative to the positioning seat 32, each first nut 35 is sleeved on each first bolt 34, so that the movable jaw case 33 is fixedly connected with the positioning seat 32, and the first nuts 35 and the first bolts 34 respectively abut against two sides of the positioning insertion hole. The movable clamping jaw sleeve 33 is provided with a plurality of clamping jaws 332, and the steel structure main body 2 is fixedly connected with the clamping jaws 332. Specifically, the sections of the first positioning groove 321 and the second positioning groove 331 are semicircular, during actual construction, according to the required installation angle of the steel structure main body 2, the movable clamping jaw sleeve 33 is rotated, the corresponding clamping jaw 332 is rotated to a preset position, the clamping jaw 332 is matched with the end part of the steel structure main body 2 and is used for clamping the steel structure main body 2, a part of the first positioning groove 321 and the second positioning groove 331 form a complete circular positioning jack, each first bolt 34 is inserted into the positioning jack, and the movable clamping jaw sleeve 33 is fixedly connected with the positioning seat 32 by tightening the first nut 35, so that the movable clamping jaw sleeve 33 is limited to radially rotate relative to the positioning seat 32. The end of the first nut 35 and the inner diameter of the first bolt 34 are both larger than the diameter of the positioning jack, and after the first nut 35 is screwed down, the first nut 35 and the first bolt 34 are respectively abutted against two sides of the positioning jack, so that the movable clamping jaw sleeve 33 is prevented from moving axially relative to the positioning seat 32. In addition, the first nut 35 and the first bolt 34 may be made of stainless steel and high-strength materials, thereby preventing the first nut 35 and the first bolt 34 from rusting, affecting the connection strength and the connection safety.
Through the above, it is difficult to find that the steel structure and concrete pre-buried connection structure in this embodiment includes: a concrete body 1, a steel structure body 2 and a connecting piece 3 pre-buried in the concrete body 1. The connector 3 includes: the connecting body 31, the positioning seat 32, the movable jaw sleeve 33, a plurality of first bolts 34 and a plurality of first nuts 35. Those skilled in the art should know that connecting body 31 is pre-buried in concrete body 1, and positioning seat 32 is connected with connecting body 31, and movable clamping jaw cover 33 rotatable cup joints on positioning seat 32, and movable clamping jaw cover 33 is connected with steel construction main part 2, through rotating movable clamping jaw cover 33, adjusts the angle of connection with steel construction main part 2, after the angle adjustment is accomplished, inserts a plurality of first bolts 34 in the location jack that movable clamping jaw cover 33 and positioning seat 32 formed, thereby make movable clamping jaw cover 33 and positioning seat 32 fixed connection, thereby realize that steel construction main part 2 and concrete body 1's multi-angle and can dismantle the connection, simple structure, and the suitability is strong. The steel structural body 2 is applied in a building structure to increase the stability and safety of the building. The connecting piece 3 is arranged to realize the detachable connection of the steel structure main body 2 and the concrete main body 1, so that the steel structure is convenient to replace or later maintenance is convenient.
Alternatively, as shown in fig. 1 and 2, in the present embodiment, the connection body 31 includes: the main board 311, the first frame 312, and the second frame 313 are connected. The first frame 312 and the second frame 313 are respectively arranged at two ends of the connecting main board 311, the first frame 312 and the second frame 313 are all arranged in the concrete main body 1, and the positioning seat 32 is fixedly arranged at one side of the connecting main board 311 and is positioned outside the concrete main body 1. Specifically, the first frame 312 and the second frame 313 may be parallel to each other and perpendicular to the connection main board 311, or the first frame 312 and the second frame 313 are connected to the connection main board 311 at a certain angle, which is not limited in this embodiment, and the first frame 312 and the second frame 313 may be rectangular plates or other shapes, so that the purpose of the first frame 312 and the second frame 313 is to increase the connection strength between the connection main body 31 and the concrete main body 1, thereby increasing the stability and safety of connection.
Further, as shown in fig. 1 to 4, the positioning seat 32 in the present embodiment is provided with a plurality of first positioning grooves 321 at a first interval. A plurality of second positioning grooves 331 are formed in the inner wall of the movable jaw case 33 at a second interval, and the first interval is smaller than or equal to the second interval. For example, the arc center angle between two adjacent first positioning grooves 321 is 30 degrees, and the arc center angle between two adjacent second positioning grooves 331 is 60 degrees, i.e. the arc center angle corresponding to the first pitch is 30 degrees smaller than the arc center angle corresponding to the second pitch. After the angle is adjusted, the second positioning groove 331 and the first positioning groove 321 form a complete positioning jack, the first space is designed to be smaller than or equal to the second space, so that more positioning jacks can be formed, the accuracy of the connection angle of the actual steel structure main body 2 is ensured, the connection instability is avoided, and the potential safety hazard is avoided.
Preferably, as shown in fig. 1 and 3, a plurality of jaws 332 in the present embodiment are disposed on the movable jaw case 33 in different directions. In particular, a plurality of differently oriented jaws 332 are provided, so that a more angular connection is achieved, thereby increasing the applicability of the connection 3.
It should be noted that, in this embodiment, each clamping jaw 332 is in an i shape, and the dimension of the i shape is adapted to the end of the steel structural body 2. Those skilled in the art will appreciate that the design is an i-shaped structure to ensure stable connection of the clamping jaw 332 to the steel structural body 2, prevent the steel structural body 2 from sliding, and avoid potential safety hazards.
Optionally, as shown in fig. 1 and fig. 3, the steel structure and concrete pre-buried connection structure in the present embodiment further includes a plurality of positioning bolts. Each clamping jaw 332 is provided with a first mounting hole 3321, the end part of each steel structure main body 2 is provided with a second mounting hole (not shown in the figure) corresponding to the first mounting hole 3321, and each positioning bolt is arranged in a corresponding group of the first mounting holes 3321 and the second mounting holes, so that the steel structure main body 2 is fixedly connected with the movable clamping jaw sleeve 33. Specifically, the positioning bolts pass through the first mounting holes 3321 and the second mounting holes, and the positioning bolts are tightened, so that the steel structure main body 2 and the movable jaw cover 33 are further fastened and connected.
Further, as shown in fig. 1, 2 and 5, since the first frame 312 and the second frame 313 have the same structure, a schematic cross-sectional view of the second frame 313 is not given. In the present embodiment, the cross sections of the first frame 312 and the second frame 313 are each trapezoidal, and gradually extend sideways in a direction away from the connection main board 311. Those skilled in the art will appreciate that the first frame 312 is connected to the connection main board 311 at an obtuse angle, and the second frame 313 is connected to the connection main board 311 at an obtuse angle, and the sections of the first frame 312 and the second frame 313 are ladder-shaped, so that the contact area between the first frame 312 and the second frame 313 and the concrete body 1 is further increased, and the connection strength between the connecting piece 3 and the concrete body 1 is increased.
Alternatively, the positioning seat 32 in the present embodiment has a hollow cylindrical shape. Specifically, the positioning seat 32 is designed to be hollow and cylindrical, so that the weight of the positioning seat 32 is reduced, and the cost is further reduced while the strength is ensured to meet the use requirement.
It should be noted that, in this embodiment, each of the first positioning groove 321 and each of the second positioning grooves 331 is provided with a thread, and a threaded hole is formed. It will be appreciated by those skilled in the art that the purpose of the design of the threads is to further tightly couple the first bolt 34 to the positioning socket, thereby limiting radial rotation of the moveable jaw housing 33 relative to the positioning socket 32.
Alternatively, the connector 3 in the present embodiment is made of a steel material, and the connection main plate 311, the first frame 312, the second frame 313, and the positioning seat 32 are integrally formed. Specifically, the connection member 3 is made of a steel material, thereby ensuring the connection strength and the bearing capacity between the steel structural body 2 and the connection member 3. The connection main plate 311, the first frame 312, the second frame 313, and the positioning seat 32 are integrally formed, thereby increasing the connection strength between the connection member 3 and the concrete body 1.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact between the first feature and the second feature, or an indirect contact between the first feature and the second feature through an intervening medium.
Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is at a lower level than the second feature.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. The utility model provides a steel construction and pre-buried connection structure of concrete which characterized in that includes: the concrete body, the steel structure body and the connecting piece are embedded in the concrete body;
the connector includes: the movable clamping jaw comprises a connecting main body, a positioning seat, a movable clamping jaw sleeve, a plurality of first bolts and a plurality of first nuts;
the connecting main body is fixedly connected with the concrete main body;
the positioning seat is fixedly connected with the connecting main body and is positioned outside the concrete main body;
the positioning seat is provided with a plurality of first positioning grooves;
the movable clamping jaw sleeve is enclosed and rotatably sleeved on the positioning seat;
a plurality of second positioning grooves are formed in the inner wall of the movable clamping jaw sleeve;
each first bolt is used for being inserted into a positioning jack formed by the first positioning groove and the second positioning groove so as to limit the movable clamping jaw sleeve to rotate relative to the positioning seat;
the first nuts are sleeved on the first bolts, so that the movable clamping jaw sleeve is fixedly connected with the positioning seat, and the first nuts and the first bolts are respectively propped against two sides of the positioning jack;
the movable clamping jaw sleeve is provided with a plurality of clamping jaws;
the steel structure main body is fixedly connected with the clamping jaw.
2. The steel structure and concrete pre-buried connection structure according to claim 1, wherein the connection body includes: the main board, the first frame body and the second frame body are connected;
the first frame body and the second frame body are respectively arranged at two ends of the connecting main board;
the connecting main board, the first frame body and the second frame body are all arranged in the concrete main body;
the positioning seat is fixedly arranged on one side of the connecting main board and is positioned outside the concrete main body.
3. The steel structure and concrete pre-buried connection structure according to claim 1, wherein the positioning seat is provided with a plurality of first positioning grooves at a first interval;
a plurality of second positioning grooves are formed in the inner wall of the movable clamping jaw sleeve at a second interval;
the first pitch is less than or equal to the second pitch.
4. The steel structure and concrete pre-buried connection structure according to claim 1, wherein the plurality of clamping jaws are arranged on the movable clamping jaw sleeve in different directions.
5. The steel structure and concrete pre-buried connection structure according to claim 4, wherein each clamping jaw is in an i shape, and the dimension of the i shape is adapted to an end of the steel structure main body.
6. The steel structure and concrete pre-buried connection structure according to claim 5, further comprising a plurality of positioning bolts;
the clamping jaw is provided with a first mounting hole, the end part of each steel structure main body is provided with a second mounting hole corresponding to the first mounting hole, and each positioning bolt is arranged in a corresponding group of the first mounting holes and the second mounting holes, so that the steel structure main body is fixedly connected with the movable clamping jaw sleeve.
7. The steel structure and concrete embedded connection structure according to claim 2, wherein the sections of the first frame body and the second frame body are ladder-shaped and gradually extend to the sides along the direction away from the connection main board.
8. The steel structure and concrete pre-buried connection structure according to claim 1, wherein the positioning seat is hollow cylindrical.
9. The steel structure and concrete pre-buried connection structure according to claim 1, wherein each of the first positioning grooves and each of the second positioning grooves is provided with threads therein, and threaded holes are formed.
10. The steel structure and concrete pre-buried connection structure according to claim 2, wherein,
the connecting piece is made of steel materials;
the connecting main board, the first frame body, the second frame body and the positioning seat are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133253.9A CN109853752B (en) | 2019-02-22 | 2019-02-22 | Steel construction and pre-buried connection structure of concrete |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910133253.9A CN109853752B (en) | 2019-02-22 | 2019-02-22 | Steel construction and pre-buried connection structure of concrete |
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| CN109853752A CN109853752A (en) | 2019-06-07 |
| CN109853752B true CN109853752B (en) | 2024-02-13 |
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| CN112144652B (en) * | 2020-09-10 | 2022-06-10 | 安徽省科兴交通建设工程监理有限公司 | Prefabricated part construction process |
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| CN109853752A (en) | 2019-06-07 |
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