CN116716977B - Auxiliary device for connecting assembled concrete frame nodes - Google Patents
Auxiliary device for connecting assembled concrete frame nodes Download PDFInfo
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- CN116716977B CN116716977B CN202310983346.7A CN202310983346A CN116716977B CN 116716977 B CN116716977 B CN 116716977B CN 202310983346 A CN202310983346 A CN 202310983346A CN 116716977 B CN116716977 B CN 116716977B
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- 239000004567 concrete Substances 0.000 title claims abstract description 69
- 238000007667 floating Methods 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 210000001624 hip Anatomy 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 230000008602 contraction Effects 0.000 abstract description 14
- 238000001125 extrusion Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000007704 transition Effects 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses an assembled concrete frame node connection auxiliary device, which relates to the technical field of concrete structures, and comprises frame columns, frame beams, a fixed frame, a notch groove, a through groove and a retaining plate, wherein a notch-shaped concave cavity is formed in the retaining plate, a pouring space is defined between the two retaining plates and the inner wall of the fixed frame, a pouring opening communicated with the pouring space is formed in the fixed frame, and the assembled concrete frame node connection auxiliary device is provided with the retaining plates and the concave cavity, so that the retaining plates can shrink after being subjected to extrusion force along the thickness direction (namely, the horizontal direction) of the retaining plates, and a certain buffer space is provided for the frame beams when the frame columns generate thermal expansion and cold contraction, so that the influence of the thermal expansion and cold contraction of concrete materials of the frame columns can be reduced; according to the invention, the fixing frame and the pouring space are arranged, and concrete is poured into the pouring space through the pouring opening, so that the retaining plate can be pre-buried in the concrete in the pouring space, and the connection between the frame beam and the frame column is firmer.
Description
Technical Field
The invention relates to the technical field of concrete structures, in particular to an assembled concrete frame node connection auxiliary device.
Background
The concrete frame is mainly used for the construction of high-rise buildings due to the sufficient stability and bearing capacity, and the joint of the reinforced concrete frame structure is not only the cross joint of the upper frame column, the lower frame column, the frame beam and the floor slab, but also the key point of the seismic fortification of the building structure, and the reinforcing bars are generally reinforced in the structural design process, so that the longitudinal and transverse staggered reinforcing bars of the joint of the frame structure are quite dense.
In the prior art, most of fabricated concrete frame beams are formed by hard connection or direct cast-in-situ of a plurality of high-strength bolts and frame columns, and when the frame columns generate thermal expansion and cold contraction, the frame beams are rigidly connected with the frame columns, so that the thermal expansion and cold contraction cannot be avoided, and further the stress concentration phenomenon is easily generated at the connection positions of the frame beams and the frame columns, and potential safety hazards are generated.
To this end, we propose an assembly type concrete frame node connection aid.
Disclosure of Invention
The invention aims to provide an assembled concrete frame node connection auxiliary device for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an assembled concrete frame node connection auxiliary device, includes frame post and at least two with the frame roof beam that the frame post is connected still includes:
the two fixing frames are detachably connected, the two fixing frames are provided with notch grooves for installing the frame columns, and the fixing frames are provided with through grooves for freely passing through the frame beams;
the support plate is connected with one end of the frame beam extending into the fixed frame, a concave cavity in a notch form is formed in the plate body of the support plate, the support plate positioned in the fixed frame is propped against the frame column, a pouring space is defined between the support plate and the inner wall of the fixed frame, and a pouring opening communicated with the pouring space is formed in the fixed frame.
Preferably, the upper and lower ends of the retaining plate are respectively in propping connection with the inner walls of the upper and lower sides of the fixing frame, the concave cavity penetrates through the lower side surface and the outer walls of the transverse sides of the retaining plate, and the concave depth of the concave cavity at least occupies two thirds of the height of the retaining plate along the concave direction.
Preferably, the bottom of the concave cavity is an arc-shaped groove penetrating along the bottom of the groove.
Preferably, the outer walls of the two lateral sides of the retaining plate are respectively connected with a retaining piece in a fitting mode, and the retaining pieces are used for shielding the opening parts on the left side and the right side of the concave cavity.
Preferably, the fixing frame is provided with a threaded hole on the side surface provided with the through groove, and the contact end of the abutting bolt is abutted with the side surface of the abutting plate through the threaded hole.
Preferably, a pouring mechanism convenient to pour through a pouring opening is arranged on the fixed frame, the pouring opening on the fixed frame is a circular structure formed by combining at least two arc waists Kong Wei, and a through hole is formed in the middle of the circular structure.
Preferably, the pouring mechanism comprises:
the pouring seat with the hollow inside is communicated with the pouring opening, and the top of the pouring seat is provided with a feed inlet;
a baffle ring is arranged above the inside of the pouring seat, and a communication hole is formed in the middle of the baffle ring;
the movable sliding block is arranged in the pouring seat in a sliding manner, the movable sliding block can slide up and down along the axial direction inside the pouring seat, the movable sliding block is positioned below the baffle ring, a plurality of communication grooves are formed in the middle of the movable sliding block, and the communication grooves and the communication holes are arranged in a staggered manner;
and the lifting unit is used for driving the movable sliding block to move up and down.
Preferably, the lifting unit includes:
the lower end of the lifting rod passes through the through hole on the fixed frame, and the lifting rod can slide up and down in the through hole;
the supporting bolt penetrates into the fixing frame through the threaded hole to be connected with the floating block, the floating block is in propping connection with the abutting plate, the outer diameter of the floating block is larger than that of the supporting bolt, and the lower end face of the lifting rod is in propping connection with the floating block and the surface of the supporting bolt.
Preferably, the lower end of the lifting rod is rotatably embedded with a ball, and the ball is in rolling contact with the surfaces of the abutting bolt and the floating block.
Preferably, a tension spring is sleeved on the rod body of the lifting rod, and the tension spring is positioned between the fixed frame and the movable sliding block.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the retaining plate and the concave cavity are arranged, so that the retaining plate can shrink after being subjected to extrusion force along the thickness direction (namely, the horizontal direction), and then a certain buffer space is provided for the frame beam when the frame column expands and contracts, so that the influence of the expansion and contraction of the concrete material of the frame column can be reduced, namely, when the concave cavity is subjected to acting force along the thickness direction of the retaining plate, the retaining plate can generate corresponding elastic deformation, for example, when the retaining plate is subjected to extrusion force, two sections of the retaining plate separated by the concave cavity are relatively closed, namely, the retaining plate generates elastic shrinkage, so that acting force generated by deformation acts on the retaining plate when the frame column expands and contracts, and concrete is poured between the frame beam and the frame column, and at the moment, the acting force is concentrated on the retaining plate and is relatively closed at two ends separated by the concave cavity, so that the retaining plate has the capability of resisting expansion and deformation;
according to the invention, the fixing frame and the pouring space are arranged, and concrete is poured into the pouring space through the pouring opening, so that the retaining plate can be pre-buried in the concrete in the pouring space, and the connection between the frame beam and the frame column is firmer;
according to the invention, the abutting bolt is arranged, and the abutting bolt is rotated, so that the abutting plate can be pushed to move towards the frame column, the surface of the abutting plate is abutted against the surface of the frame column, the abutting plate is abutted against the frame column, and the phenomenon of thermal expansion and cold contraction of the frame column can be avoided;
according to the invention, the pouring mechanism is arranged, so that when concrete is poured into a pouring space, the surface of the retaining plate and the surface of the frame column are ensured to be in close contact, and the situation that the expansion and contraction of the frame column can not be buffered through the shrinkage deformation of the retaining plate after the concrete is poured due to the fact that the retaining plate and the surface of the frame column are not tightly pressed is prevented;
according to the invention, the baffle plates are arranged, and the length and height dimensions of the baffle plates are matched with the length and height dimensions of the retaining plates, so that the baffle plates shield the openings on two sides of the concave cavity, and the situation that the interior of the concave cavity is blocked due to the fact that concrete enters the concave cavity when concrete is poured is avoided, and the retaining plates cannot generate elastic shrinkage deformation is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of an assembled concrete frame node connection auxiliary device of the present invention;
FIG. 2 is a schematic view showing a partial structure of an auxiliary device for connecting nodes of an assembled concrete frame according to the present invention;
FIG. 3 is an enlarged schematic view of a partial structure at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the structure of the pouring seat, the retainer ring and the movable slider after assembly;
FIG. 5 is a schematic view of a fixing frame according to the present invention;
FIG. 6 is a schematic side view of the fixing frame of FIG. 5;
fig. 7 is a schematic structural view of the assembled frame beam and the retaining plate according to the present invention;
FIG. 8 is a schematic side view of the structure of FIG. 7 with the tabs removed.
In the figure: 1-frame columns; 2-a feed inlet; 3-pouring a seat; 4-tightly supporting the bolt; 5-frame beams; 6-fixing the frame; 7-a retaining plate; 8-a tension spring; 9-a movable slide block; 10-communicating holes; 11-a baffle ring; 12-a communicating groove; 13-lifting rods; 14-pouring openings; 15-a slider; 16-balls; 17-notch groove; 18-pouring space; 19-trough penetration; 20-concave cavities; 21-an arc-shaped groove; 22-baffle plates; 23-a threaded hole; 24-via holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides an auxiliary device is connected to assembled concrete frame node, includes frame post 1 and at least two frame roof beam 5 that are connected with frame post 1, and frame post 1 and frame roof beam 5 are the concrete material, have constituted a node between frame post 1 and the frame roof beam 5 that links to each other rather than, and the connecting device of this node still includes:
the two fixing frames 6 which are detachably connected are hollow, the two sides of the fixing frames 6 are provided with lug plates, the end parts of the two fixing frames 6 are propped against each other, the lug plates on the two fixing frames 6 can be mutually propped against each other, the lug plates on the two fixing frames 6 are jointly penetrated with a bolt pair, the two fixing frames 6 are assembled together, the two fixing frames 6 are provided with notch grooves 17 for installing frame columns 1, the fixing frames 6 are provided with penetrating grooves 19 for freely passing frame beams 5, after the frame columns 1 are assembled in the notch grooves 17, the fixing frames 6 are installed on the frame columns 1 in a sleeved mode, and after the notch grooves 17 are assembled with the frame columns 1, the assembling surface is sealed;
the retaining plate 7 connected with one end of the frame beam 5 in the fixed frame 6 stretches into, the other end of the retaining plate 7 is connected with the side face of the frame column 1, the thickness direction of the retaining plate 7 is perpendicular to the length direction of the frame column 1, a concave cavity 20 in a notch form is formed in the plate body of the retaining plate 7, elastic deformation can be generated when the retaining plate 7 receives extrusion force along the thickness direction of the retaining plate by arranging the concave cavity 20, a pouring space 18 is defined between the two retaining plates 7 and the inner wall of the fixed frame 6, and a pouring opening 14 communicated with the pouring space 18 is formed in the fixed frame 6.
After the fixed frames 6 and the frame columns 1 are assembled, the retaining plates 7 positioned in the fixed frames 6 are propped against the frame columns 1, diluted concrete is poured into the pouring space 18 from the pouring openings 14 by concrete pouring equipment, the concrete flows in the two buckled fixed frames 6 until the two fixed frames 6 are filled, at the moment, the retaining plates 7 are equivalent to the concrete pre-buried in the pouring space 18, after the concrete is dried and fixed, the nodes of the concrete frame columns 1 and the frame beams 5 are formed, and because the frame columns 1 are made of concrete materials, when the concrete expands and contracts, the retaining plates 7 can have a certain deformation amplitude, the deformation amplitude counteracts acting force and expands and contracts, so that the expansion and contraction of the frame columns 1 can not affect the frame beams 5, and the connection of the frame columns 1 and the frame beams 5 can not generate stress concentration phenomenon.
As shown in fig. 2, the upper and lower ends of the retaining plate 7 are respectively abutted against the inner walls of the upper and lower sides of the fixed frame 6, the cavity 20 penetrates through the lower side surface and the outer walls of the lateral sides of the retaining plate 7, and the recess depth of the cavity 20 is at least two thirds of the height of the retaining plate 7 along the recess direction, so that when the cavity 20 receives the acting force along the thickness direction of the retaining plate 7, the retaining plate 7 can generate corresponding elastic deformation, for example, when the retaining plate 7 receives the extrusion force, the two sections separated by the cavity 20 of the retaining plate 7 are relatively closed, namely, the retaining plate 7 generates elastic contraction, so that when the frame column 1 generates thermal expansion deformation, the acting force generated by deformation acts on the retaining plate 7, and concrete is poured between the frame beam 5 and the frame column 1, at this time, the acting force is concentrated on the retaining plate 7, and the two sections are separated by the cavity 20 by the opposite closing ends of the retaining plate 7, so that the retaining plate 7 has the capability of resisting thermal expansion deformation.
As shown in fig. 7 and 8, the bottom of the recess of the cavity 20 is an arc-shaped groove 21 penetrating along the bottom of the recess, the length of the arc-shaped groove 21 spans the width direction of the retaining plate 7, and the arc-shaped groove 21 penetrates the inside of the cavity 20, so that the deformation amplitude of the retaining plate 7 is improved and the stress concentration phenomenon is avoided by arranging the arc-shaped groove 21.
As shown in fig. 7, the outer walls of the two lateral sides of the retaining plate 7 are respectively connected with a baffle 22, the baffle 22 can shield the opening of the side edge of the concave cavity 20, the length dimension and the height dimension of the baffle 22 are matched with those of the retaining plate 7, and thus, the baffle 22 shields the opening of the two sides of the concave cavity 20, and concrete is prevented from entering the concave cavity 20 when the concrete is poured.
As shown in fig. 1, 2 and 3, the side surface of the fixing frame 6 provided with the through groove 19 is provided with a threaded hole 23, the contact end of the abutting bolt 4 is abutted against the side surface of the abutting plate 7 through the threaded hole 23, and when the abutting bolt 4 rotates by an external tool, the abutting bolt 4 is screwed on the fixing frame 6, so that the abutting bolt 4 can push the abutting plate 7 to move, and the abutting plate 7 is kept in an abutting state with the surface of the frame column 1.
As shown in fig. 1, a pouring mechanism convenient to pour through a pouring opening 14 is arranged on the fixed frame 6, and the pouring mechanism is arranged, so that concrete can be poured into a pouring space 18 through the pouring opening 14 only when the retaining plate 7 abuts against the frame column 1, and the retaining plate 7 and the frame column 1 are prevented from being poured with concrete when the retaining plate 7 does not abut against the frame column 1, so that the thermal expansion and contraction of the frame column 1 cannot be counteracted by the retaining plate 7.
As shown in fig. 3, the pouring mechanism includes:
the pouring seat 3 with hollow inside is communicated with the pouring opening 14, the pouring seat 3 can be arranged on the fixed frame 6 in a threaded manner, specifically, a threaded hole is formed in the top surface of the fixed frame 6, and external threads are formed on the outer surface of the pouring seat 3, so that the pouring seat 3 is connected with the fixed frame 6, the inside of the pouring seat 3 is communicated with the pouring opening 14, the top of the pouring seat 3 is provided with the feed inlet 2, the feed inlet 2 is connected with pouring equipment through a pipeline, and when the pouring equipment works, diluted concrete is conveyed to the feed inlet 2 and then enters the pouring seat 3;
a baffle ring 11 is arranged above the interior of the pouring seat 3, a communication hole 10 is formed in the middle of the baffle ring 11, and concrete entering the pouring seat 3 flows through the communication hole 10 of the baffle ring 11;
the movable sliding block 9 is arranged in the pouring seat 3 in a sliding manner, the movable sliding block 9 can slide up and down along the axial direction inside the pouring seat 3, the movable sliding block 9 is positioned below the baffle ring 11, a plurality of communication grooves 12 are formed in the middle of the movable sliding block 9, the communication grooves 12 are arc-shaped, the plurality of communication grooves 12 are formed in an array along the axial direction of the movable sliding block 9, the communication holes 10 on the baffle ring 11 are positioned in the middle of the plurality of communication grooves 12, so that the communication grooves 12 and the communication holes 10 are staggered, and as the communication grooves 12 and the communication holes 10 are staggered, when the movable sliding block 9 and the end faces of the baffle ring 11 are propped against each other, the propped faces of the movable sliding block 9 and the baffle ring 11 are sealed, or at least concrete can be prevented from flowing into the lower space of the pouring seat 3 by itself, and further, the lower end face of the baffle ring 11 can be provided with a rubber layer, when the end faces of the baffle ring 11 and the movable sliding block 9 are propped against each other, the sealing degree of the two propped faces is better;
the lifting unit is used for driving the movable sliding block 9 to move up and down, after the surface of the retaining plate 7 abuts against the surface of the frame column 1, the movable sliding block 9 is driven to move downwards, so that the movable sliding block 9 and the retaining ring 11 are separated from each other, concrete can enter the communicating groove 12 of the movable sliding block 9 from the communicating hole 10 of the retaining ring 11, then enter the pouring seat 3, enter the pouring opening 14 from the pouring seat 3, then enter the pouring space 18 from the pouring opening 14, and the concrete can be poured into the pouring space 18.
As shown in fig. 3, the elevation unit includes:
the lifting rod 13 is coaxially connected to the lower end surface of the movable slide block 9, the lower end of the lifting rod 13 passes through the through hole 24 on the fixed frame 6, the lifting rod 13 can slide up and down in the through hole 24, and when the movable slide block 9 moves up and down, the lifting rod 13 is correspondingly driven to move up and down;
the abutting bolt 4 penetrates into the fixed frame 6 through the threaded hole 23 to be connected with the floating block 15, the floating block 15 is in abutting connection with the abutting plate 7, the outer diameter of the floating block 15 is larger than the outer diameter of the abutting bolt 4, the lower end face of the lifting rod 13 is in abutting connection with the floating block 15 and the surface of the abutting bolt 4, the floating block 15 is cylindrical, one end connected with the abutting bolt 4 is provided with a transition section in a chamfer mode, the lower end of the lifting rod 13 can slide from the periphery of the abutting bolt 4 to the transition section, then slide from the transition section to the periphery of the floating block 15, the lifting rod 13 can move upwards, when moving upwards, the movable sliding block 9 is driven to move upwards until the movable sliding block 9 abuts against the end face of the blocking ring 11, otherwise, when the abutting bolt 4 moves towards the inner side direction of the fixed frame 6, the lifting rod 13 slides from the periphery of the floating block 15 to the transition section, when moving downwards, the movable sliding block 9 is driven to abut against the end face of the blocking ring 11, the concrete can be separated from the pouring seat 3, and the situation that the concrete cannot enter the space 18 can be avoided, and the concrete cannot enter the space 18.
As shown in fig. 4, the lower end of the lifting rod 13 is rotatably embedded with a ball 16, the ball 16 is in rolling contact with the surfaces of the abutting bolt 4 and the floating block 15, the end of the lifting rod 13 is in sliding contact with the abutting bolt 4, the floating block 15 and the transition section, the abrasion loss is relatively large, and after the ball 16 is arranged, the original sliding contact mode is changed into the rolling contact mode, and the abrasion loss is greatly reduced.
As shown in fig. 3, the rod body of the lifting rod 13 is sleeved with a tension spring 8, the tension spring 8 is located between the fixed frame 6 and the movable sliding block 9, specifically, two ends (two ends in the elastic direction) of the tension spring 8 can be welded on the fixed frame 6 and the movable sliding block 9, so that the tension spring 8 has a downward tension on the movable sliding block 9, and thus, the ball 16 can keep a contact connection state with the surfaces of the floating block 15 and the abutting bolt 4.
The working principle of the invention is as follows: after the fixed frames 6 and the frame columns 1 are assembled, the surfaces of the retaining plates 7 are propped against the surfaces of the frame columns 1, diluted concrete is poured into the pouring space 18 from the pouring openings 14 by concrete pouring equipment, the concrete flows in the two fixed frames 6 until the two fixed frames 6 are filled, at the moment, the retaining plates 7 are equivalent to the concrete embedded in the pouring space 18, after the concrete is dried and fixed, the joints of the concrete frame columns 1 and the frame beams 5 are formed, because the frame columns 1 are made of concrete materials, when the frame columns generate thermal expansion and contraction, the retaining plates 7 can have a certain deformation amplitude, the deformation amplitude counteracts the acting force and the thermal expansion and the contraction, so that the thermal expansion and the contraction of the frame columns 1 can not influence the frame beams 5, the joint of the frame columns 1 and the frame beams 5 can not generate stress concentration phenomenon, and in a natural state, the tension spring 8 has downward tension to the movable slide block 9, so that the ball 16 can keep the abutting connection state with the floating block 15 and the surface of the abutting bolt 4, when the abutting bolt 4 is rotated by an external tool, the abutting bolt 4 is screwed on the fixed frame 6, and then the abutting bolt 4 can push the abutting plate 7 to move, so that the abutting plate 7 keeps the abutting state with the surface of the frame column 1, because the concrete can be poured into the pouring space 18 through the pouring opening 14 only when the abutting plate 7 abuts against the frame column 1, the situation that the concrete is poured between the abutting plate 7 and the frame column 1 when the abutting plate 7 does not abut against the frame column 1 is avoided, so that the thermal expansion and contraction of the frame column 1 can not be counteracted by the abutting plate 7, when the abutting bolt 4 moves towards the frame column 1, the ball 16 at the bottom of the lifting rod 13 gradually rolls from the periphery of the floating block 15 to the transition section, then rolls from the transition section to the periphery of the abutting bolt 4, so that the lifting rod 13 moves downwards, when moving downwards, the movable sliding block 9 and the end face of the baffle ring 11 are driven to be separated from each other, the tension spring 8 is in a pulling state of the movable sliding block 9, the ball 16 rolls on the abutting bolt 4 and the floating block 15, the thinner concrete is conveyed to the feed port 2 during the operation of the pouring equipment, the thinner concrete enters the pouring seat 3, the concrete can enter the communicating groove 12 of the movable sliding block 9 from the communicating hole 10 of the baffle ring 11, then enters the pouring seat 3, then enters the pouring opening 14 from the pouring seat 3, and then enters the pouring space 18 from the pouring opening 14, so that the concrete can be poured into the pouring space 18, and the impact of the pouring plate 7 and the frame column 1 can be deformed when the frame column 1 is in the hot expansion state (mainly hot expansion deformation), the impact of the pouring plate 7 can be generated, and the frame column 1 can be firmly fixed on the frame column 1, the supporting frame column 6 can be repeatedly arranged in the space 6, the reinforcing frame 1, the reinforcing frame can be repeatedly arranged on the bottom of the frame 1, the reinforcing frame can be repeatedly arranged on the supporting frame 6, the reinforcing frame 1, and the longitudinal support frame can be fixed on the frame 1, and the bottom of the frame can be fixed on the supporting frame 1, and the frame can be fixed on the supporting frame, and the frame can be fixed on the frame, and the frame can be the support, and the strength.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Assist device is connected to assembled concrete frame node, including frame post (1) and at least two frame roof beam (5) that are connected with frame post (1), its characterized in that still includes:
two fixed frames (6) which are detachably connected, wherein notch grooves (17) for installing the frame columns (1) are formed in the two fixed frames (6), and through grooves (19) for freely passing through the frame beams (5) are formed in the fixed frames (6);
the frame beam (5) stretches into the retaining plate (7) connected with one end in the fixed frame (6), a concave cavity (20) in a notch form is formed in the plate body of the retaining plate (7), the retaining plate (7) positioned in the fixed frame (6) is propped against the frame column (1), a pouring space (18) is formed between the retaining plate (7) and the inner wall of the fixed frame (6), and a pouring opening (14) communicated with the pouring space (18) is formed in the fixed frame (6);
the upper end and the lower end of the retaining plate (7) are respectively propped against the inner walls of the upper side and the lower side of the fixed frame (6), the concave cavity (20) penetrates through the lower side surface and the outer walls of the transverse sides of the retaining plate (7), the concave depth of the concave cavity (20) at least accounts for two thirds of the height of the retaining plate (7) along the concave direction, the side surface of the fixed frame (6) provided with the through groove (19) is provided with a threaded hole (23), and the contact end of the abutting bolt (4) is propped against the side surface of the retaining plate (7) through the threaded hole (23).
2. The assembly type concrete frame node connection auxiliary device according to claim 1, wherein the bottom of the concave cavity (20) is an arc-shaped groove (21) penetrating along the bottom of the groove.
3. The auxiliary device for connecting the assembled concrete frame nodes according to claim 2, wherein the outer walls of the two lateral sides of the retaining plate (7) are respectively connected with a baffle (22) in a fitting manner, and the baffle (22) is used for shielding the opening parts on the left side and the right side of the concave cavity (20).
4. A fabricated concrete frame node connection auxiliary device according to claim 3, wherein the fixing frame (6) is provided with a pouring mechanism which is convenient to pour through the pouring opening (14), the pouring opening (14) on the fixing frame (6) is a circular structure formed by combining at least two arc waists Kong Wei, and a through hole (24) is arranged in the middle of the circular structure.
5. The fabricated concrete frame node connection aid of claim 4, wherein the casting mechanism comprises:
the pouring seat (3) with the hollow inside is communicated with the pouring opening (14), and the top of the pouring seat (3) is provided with a feeding opening (2);
a baffle ring (11) is arranged above the inside of the pouring seat (3), and a communication hole (10) is formed in the middle of the baffle ring (11);
the movable sliding block (9) is arranged in the pouring seat (3) in a sliding manner, the movable sliding block (9) can slide up and down along the axial direction inside the pouring seat (3), the movable sliding block (9) is positioned below the baffle ring (11), a plurality of communication grooves (12) are formed in the middle of the movable sliding block (9), and the communication grooves (12) and the communication holes (10) are arranged in a staggered manner;
and the lifting unit is used for driving the movable sliding block (9) to move up and down.
6. The fabricated concrete frame node connection aid according to claim 5, wherein the elevation unit comprises:
the lifting rod (13) is coaxially connected to the lower end surface of the movable sliding block (9), the lower end of the lifting rod (13) passes through the through hole (24) in the fixed frame (6), and the lifting rod (13) can slide up and down in the through hole (24);
the supporting bolt (4) penetrates into the fixed frame (6) through the threaded hole (23) to be connected with the floating block (15), the floating block (15) is propped against the abutting plate (7), the outer diameter of the floating block (15) is larger than the outer diameter of the supporting bolt (4), and the lower end face of the lifting rod (13) is propped against the surface of the floating block (15) and the supporting bolt (4).
7. The auxiliary device for connecting the assembled concrete frame nodes according to claim 6, wherein the lower end of the lifting rod (13) is rotatably embedded with a ball (16), and the ball (16) is in rolling contact with the surfaces of the abutting bolt (4) and the floating block (15).
8. The auxiliary device for connecting the assembled concrete frame nodes according to claim 7, wherein a tension spring (8) is sleeved on a rod body of the lifting rod (13), and the tension spring (8) is positioned between the fixed frame (6) and the movable sliding block (9).
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