CN113802692A - Prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure and connecting method - Google Patents
Prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure and connecting method Download PDFInfo
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- CN113802692A CN113802692A CN202111160980.8A CN202111160980A CN113802692A CN 113802692 A CN113802692 A CN 113802692A CN 202111160980 A CN202111160980 A CN 202111160980A CN 113802692 A CN113802692 A CN 113802692A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000000670 limiting effect Effects 0.000 claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000004567 concrete Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- 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
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- 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
-
- 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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- Architecture (AREA)
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- Structural Engineering (AREA)
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Abstract
The invention discloses a prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure and a connecting method, and belongs to the technical field of reinforced concrete beams. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure comprises a first beam body and a second beam body, wherein a connecting plate is arranged on the front side of the first beam body, a fixed box is arranged on the second beam body, an installation column extending to the inner cavity of the fixed box is arranged on the connecting plate, a first locking mechanism is arranged in the fixed box and comprises a moving plate, a locking unit, a limiting unit and a first steel wire rope, the moving plate is provided with a limiting column matched with a limiting hole formed in the surface of the installation column, the limiting unit is connected with the locking unit and used for locking and limiting the limiting column, the first steel wire rope is arranged on one side, far away from the installation column, of the moving plate, and two ends of the first steel wire rope are respectively connected with the limiting unit. By adopting the technical scheme of the invention, the connection of the steel reinforced concrete primary and secondary beams can be more firm and stable.
Description
Technical Field
The invention relates to the technical field of reinforced concrete beams, in particular to a prefabricated assembly type section steel concrete primary and secondary beam connecting structure and a connecting method.
Background
The reinforced concrete beam is a beam made of reinforced concrete materials, can be made into an independent beam, can form an integral beam-plate type floor system with a reinforced concrete plate, or form an integral single-layer or multi-layer frame with a reinforced concrete column, has various forms, is the most basic bearing component in engineering structures such as house buildings, bridge buildings and the like, and has extremely wide application range.
The precast beam body is mostly adopted to build in the present building engineering, can shorten the time limit for a project greatly, and precast concrete roof beam is easy to assemble simultaneously, but traditional prefabricated assembled shaped steel concrete primary and secondary roof beam's connection structure poor stability can't be fixed completely with primary and secondary roof beam, causes the separation of primary and secondary roof beam easily, causes the secondary roof beam to drop from the girder, seriously influences engineering quality.
Through search, the application with chinese patent application No. 201920342338.3 discloses a connection structure with equal height of a concrete main beam and a concrete secondary beam, and the connection structure in the application includes: the main beam comprises a concrete main beam and at least four anchor bars embedded in the concrete main beam; a connector, the connector comprising: the supporting plate is vertically connected to the connecting plate, the plane of the supporting plate is parallel to the horizontal plane, one end, far away from the supporting plate, of the connecting plate is tightly attached to the side wall of the concrete girder, and one end, corresponding to the connecting plate, of the anchor bar is fixedly connected with the connecting plate; the concrete secondary beam is provided with an inward sunken step at one end close to the main beam, and is erected on the supporting plate through the step. According to the application, the equal-height connection between the concrete main beam and the concrete secondary beam is realized on the premise that the bearing capacity of the concrete secondary beam is not reduced or the cost of the concrete main beam is increased. This application is through seting up the step at the tip of concrete secondary beam for concrete secondary beam is through this step take and is established in the backup pad of connector, realizes that the up end of concrete secondary beam and the up end of concrete girder remain to flush, blocks up the clearance between the tip of concrete secondary beam and the lateral wall of concrete girder through rubber or silica gel, when avoiding later stage concrete placement, and the concrete spills from this clearance. But this kind of structure still can not solve the connection structure poor stability of prefabricated assembled shaped steel concrete primary and secondary roof beam, can't be with the problem of primary and secondary roof beam complete fixation.
Disclosure of Invention
1. Problems to be solved
The invention provides a connecting structure and a connecting method of prefabricated assembly type steel reinforced concrete primary and secondary beams, aiming at the problems that the connecting structure of the existing prefabricated assembly type steel reinforced concrete primary and secondary beams is poor in stability and the primary and secondary beams cannot be completely fixed.
2. Technical scheme
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the invention discloses a prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure, which comprises a first beam body and a second beam body, and is characterized in that: the front side of the first beam body is provided with a connecting plate, the second beam body is provided with a fixed box, the connecting plate is provided with a mounting column extending to the inner cavity of the fixed box, and two side surfaces of the fixed box are symmetrically provided with first locking mechanisms matched with the mounting column; the first locking mechanism comprises a movable plate, a locking unit, a limiting unit and a first steel wire rope, wherein the movable plate is arranged opposite to the mounting column, the moving direction of the movable plate is consistent with the length direction of the mounting column, the locking unit is arranged on two side faces of an inner cavity of the fixed box and is provided with a limiting column matched with a limiting hole formed in the surface of the mounting column, the limiting unit is connected with the locking unit and used for locking and limiting the limiting column, the first steel wire rope is arranged on one side, far away from the mounting column, of the movable plate, and two ends of the first steel wire rope are connected with the limiting unit respectively.
Furthermore, the locking unit comprises a fixed column, a limiting column, a sliding plate and a second elastic element, wherein the limiting column, the sliding plate and the second elastic element are positioned in an inner cavity of the fixed column and are sequentially connected from outside to inside; the limiting unit comprises a limiting pin and a third elastic element, the third elastic element is sleeved on the outer surface of the limiting pin, one end of the limiting pin extends into the fixing column and is clamped with the sliding plate, and the other end of the limiting pin is provided with a limiting plate; and two ends of the first steel wire rope are respectively connected with the two limiting plates.
Further, the upper and lower both sides that lie in the erection column in the fixed box all are equipped with second locking mechanical system, and second locking mechanical system includes fly leaf, connecting rod, positive and negative threaded rod and actuating mechanism, but both ends slidable mounting of fly leaf is in the both sides of fixed box, and is equipped with the stopper with the erection column joint on it, the both ends of positive and negative threaded rod are rotatable to be installed in the both sides of fixed box, and it links to each other with the actuating mechanism drive, and installs the thread bush on the positive and negative screw thread of positive and negative threaded rod respectively, and the thread bush passes through the connecting rod and articulates with the fly leaf mutually.
Furthermore, the driving mechanism comprises a rotating shaft and a first gear fixed on the rotating shaft, and a second gear meshed with the first gear is arranged on the positive and negative threaded rod.
Furthermore, the top of the fixed box is provided with a groove and is hinged with a box door, the top of the rotating shaft extends into the groove and is provided with a turntable, the top of the turntable is bolted with a handle, the bottom of the turntable is provided with a supporting mechanism, the supporting mechanism comprises a movable rod, a pressing plate and a fourth elastic element, and the top of the movable rod is provided with the pressing plate and is supported and installed in a vertical groove at the bottom of the groove through the fourth elastic element; the bottom of the rotary table is provided with a positioning groove matched with the movable rod.
Furthermore, a second steel wire rope is bolted to one side, away from the limiting column, of the sliding plate, and the second steel wire rope sequentially penetrates through the fixing column and the fixing box and extends into the groove.
Furthermore, the top and the bottom of the inner cavity of the fixed box are both provided with first sliding grooves, and the movable plate is in sliding fit with the first sliding grooves through first sliding blocks; and the two sides of the inner cavity of the fixed box are provided with second sliding grooves, and the movable plate is in sliding fit with the second sliding grooves through second sliding blocks.
Furthermore, a positioning rod is arranged on the connecting plate, a positioning hole matched with the positioning rod is processed on the fixing box, and a sealing gasket is arranged between the connecting plate and the fixing box.
Furthermore, the movable plate is connected with the fixed box through a first elastic element, and a positioning groove matched with the mounting column for use is formed in the surface of the movable plate; the movable plate is connected with the fixed box through a fifth elastic element.
Furthermore, the connecting method of the prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure specifically comprises the following steps:
s1, hoisting the second beam body by using hoisting equipment, and inserting the mounting column of the first beam body into the inner cavity of the fixed box;
and S2, the second beam body continues to move, the mounting column pushes the moving plate, a pulling force is applied to the first steel wire rope, the first steel wire rope drives the limiting unit to move, so that the limiting effect on the limiting column is relieved, the limiting column is matched with a limiting hole formed in the surface of the mounting column, and the first beam body is stably connected with the second beam body.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure, the connecting plate is arranged on the front face of the first beam body, the fixing box is arranged on the second beam body, and the stability of connection between the first beam body and the second beam body can be improved through matching of the connecting plate and the fixing box, specifically, through matching of the mounting column on the connecting plate and the first locking mechanism in the cavity of the fixing box.
(2) According to the connecting structure of the prefabricated assembly type steel reinforced concrete primary and secondary beams, the specific structure of the first locking mechanism is optimally designed, the mounting column on the connecting plate pushes the movable plate and applies external force to the first steel wire rope, so that the limiting plate is driven to be separated from the sliding plate, the limiting column is released and the mounting column is locked and fixed, the firmness of connection between the mounting column and the fixed box can be effectively guaranteed by adopting the locking mechanism, and the connecting operation is more convenient.
(3) According to the prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure, the second locking mechanisms positioned on the upper side and the lower side of the mounting column are arranged in the fixing box, the mounting column is fixed in the upper and lower directions through the mutual clamping of the limiting blocks in the second locking mechanisms and the limiting grooves in the mounting column, and the mounting column is connected with the fixing box more stably through the cooperation of the first locking mechanisms.
(4) According to the prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure, the supporting mechanism is arranged at the bottom of the rotary table, the press plate is pressed through the fourth elastic element to limit the rotary table, and the phenomenon that the rotary table is reversed due to the fact that the rotary table is interfered by the outside after the first beam body and the second beam body are stably installed is avoided, so that the limiting block is separated from the inner cavity of the limiting groove, and the stability between the first beam body and the second beam body is influenced.
(5) According to the prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure, the second steel wire rope is bolted to one side, away from the limiting column, of the sliding plate, sequentially penetrates through the fixing column and the fixing box and extends into the groove, the limiting column can be driven to be separated from the limiting hole by driving the second steel wire rope, and the first beam body and the second beam body can be conveniently detached.
(6) According to the prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure, the fixed box and the connecting plate are conveniently positioned through the arrangement of the positioning holes and the positioning rods, and the fixed box and the connecting plate are prevented from being dislocated; through the setting of sealed pad, avoid producing the gap between connecting plate and the fixed case, cause the rainwater to get into fixed case, lead to the part to rust and corrode, influence the stability of first roof beam body and second roof beam body coupling.
Drawings
FIG. 1 is a schematic overall structure diagram of a prefabricated assembly type steel reinforced concrete primary and secondary beam connection structure of the invention;
FIG. 2 is a structural top sectional view of the prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure of the invention;
FIG. 3 is a right side sectional view of the structure of the fixing box of the present invention;
FIG. 4 is a structural sectional view of a fixing box of the present invention;
FIG. 5 is a rear sectional view of the structure of the fixing box of the present invention;
fig. 6 is a partial structural top sectional view of the fixing box of the present invention.
In the figure: 1. a first beam body; 2. a second beam body; 3. a connecting plate; 4. a first connecting column; 5. a fixed box; 6. a second connecting column; 7. mounting a column; 8. a second locking mechanism; 81. a rotating shaft; 82. a turntable; 83. a first gear; 84. a second gear; 85. a positive and negative threaded rod; 86. a threaded sleeve; 87. a connecting rod; 88. a movable plate; 89. a limiting block; 9. a first locking mechanism; 91. a first elastic element; 92. moving the plate; 93. fixing a column; 94. a second elastic element; 95. a slide plate; 96. a limiting column; 97. a third elastic element; 98. a limiting plate; 99. a spacing pin; 910. a first wire rope; 10. a groove; 11. a movable rod; 12. pressing a plate; 13. a fourth elastic element; 14. a second wire rope; 15. a first chute; 16. a first slider; 17. a second chute; 18. a second slider; 19. a fifth elastic element; 20. positioning holes; 21. positioning a rod; 22. and a gasket.
Detailed Description
The invention is further described with reference to specific examples.
The prefabricated assembled steel reinforced concrete primary and secondary beam connection structure of this embodiment, including first roof beam body 1 and second roof beam body 2, the front of first roof beam body 1 is equipped with connecting plate 3, is equipped with fixed case 5 on the second roof beam body 2, is equipped with erection column 7 that extends to the 5 inner chambers of fixed case on the connecting plate 3, and two side symmetries of fixed case 5 are equipped with and install 7 matched with first locking mechanical system 9 of post. By the cooperation of the mounting post 7 and the first locking mechanism 9, a secure connection of the first beam 1 and the second beam 2 can be achieved.
Specifically, as shown in fig. 1-2, the back of the connecting plate 3 of this embodiment is provided with a first connecting column 4, the first connecting column 4 is embedded in the inner cavity of the first beam body 1, the front of the fixing box 5 is provided with a second connecting column 6, the second connecting column 6 is embedded in the inner cavity of the second beam body 2, that is, the connecting plate 3 is fixedly connected with the first beam body 1 through the first connecting column 4, and the fixing box 5 is fixedly connected with the second beam body 2 through the second connecting column 6.
As shown in fig. 3, the first locking mechanism 9 of the present embodiment includes a moving plate 92, a locking unit, a limiting unit and a first steel wire rope 910, wherein the moving plate 92 is disposed opposite to the mounting column 7, and the moving direction of the moving plate 92 is the same as the length direction of the mounting column 7, specifically, the moving plate 92 is connected to the fixed box 5 through a first elastic element 91, and a positioning groove used in cooperation with the mounting column 7 is formed on the surface of the moving plate 92; as shown in fig. 5, the locking unit includes a fixed column 93, and a position-limiting column 96, a sliding plate 95 and a second elastic element 94 which are located in an inner cavity of the fixed column 93 and are sequentially connected from outside to inside, wherein the fixed column 93 is installed on a side surface of the fixed box 5, the second elastic element 94 is compressed between the sliding plate 95 and the side surface of the fixed box 5, an inner end of the position-limiting column 96 is fixedly connected with the sliding plate 95, and an outer end thereof extends to the outside of the fixed column 93; the limiting unit comprises a limiting pin 99 and a third elastic element 97, the third elastic element 97 is sleeved on the outer surface of the limiting pin 99, one end of the limiting pin 99 extends into the fixing column 93 and is clamped with the sliding plate 95, and the other end of the limiting pin is provided with a limiting plate 98; wherein, the fixed column 93 is provided with a through hole for inserting the limit pin 99, and the aperture of the through hole is between the diameter of the limit pin 99 and the width of the limit plate 98; the first wire 910 is disposed on a side of the moving plate 92 away from the mounting post 7, and two ends of the first wire are respectively connected to the two limiting plates 98.
As shown in fig. 6, before the installation and connection, the sliding plate 95 is clamped by the limiting pin 99, and the second elastic element 94 is compressed between the sliding plate 95 and the side surface of the fixed box 5, so as to lock and limit the limiting column 96, and make it in a disengaged state with the limiting hole on the installation column 7. During installation, the mounting column 7 is inserted into the fixing box 5, the moving plate 92 is pushed to compress the first steel wire rope 910, then the first steel wire rope 910 drives the limiting pin 99 to move through the limiting plate 98 and separate from the sliding plate 95, the second elastic element 94 pushes the sliding plate 95 to move forwards, limiting effect on the limiting column 96 is relieved, the limiting column 96 is popped out to the outside of the fixing column 93 and clamped with the limiting hole in the mounting column 7, and fixing of the mounting column 7 is achieved.
Preferably, one side of the sliding plate 95, which is far away from the limiting column 96, is bolted with a second steel wire rope 14, and the second steel wire rope 14 sequentially penetrates through the fixing column 93 and the fixing box 5 and extends into the groove 10. Through the setting of second wire rope 14, the person of facilitating the use drags second wire rope 14 to drive spacing post 96 and removes to the direction of keeping away from spacing hole, breaks away from the inner chamber in spacing hole, conveniently dismantles first roof beam body 1 and second roof beam body 2.
As shown in fig. 3-4, the upper and lower both sides that lie in the erection column 7 in the fixed box 5 of this embodiment all are equipped with second locking mechanical system, and second locking mechanical system includes fly leaf 88, connecting rod 87, positive and negative threaded rod 85 and actuating mechanism, but both ends slidable mounting of fly leaf 88 is in the both sides of fixed box 5, and is equipped with the stopper 89 with erection column 7 joint on it, the both ends rotatable the installing in the both sides of fixed box 5 of positive and negative threaded rod 85, it links to each other with the actuating mechanism drive, and installs thread bush 86 on the positive and negative screw of positive and negative threaded rod 85 respectively, and thread bush 86 is articulated mutually with fly leaf 88 through connecting rod 87. The driving mechanism includes a rotating shaft 81 and a first gear 83 fixed on the rotating shaft 81, and a second gear 84 engaged with the first gear 83 is provided on the forward and reverse threaded rod 85. The mounting column is fixed up and down through the second locking mechanism, so that the connection between the first beam body 1 and the second beam body 2 is more stable.
Specifically, the movable plate 88 is connected to the fixed box 5 through the fifth elastic element 19, and the movable plate 88 is conveniently supported by the arrangement of the fifth elastic element 19, so as to improve the fixing effect of the movable plate 88 on the mounting post 7. The top of the fixed box 5 is provided with a groove 10 and is hinged with a box door, the rotating shaft 81 is rotatably connected with the top of the inner cavity of the fixed box 5 through a bearing and extends into the groove 10, a rotating disc 82 is bolted on the rotating shaft, the top of the rotating disc 82 is bolted with a handle, preferably, the bottom of the rotating disc 82 is provided with a supporting mechanism, the supporting mechanism comprises a movable rod 11, a pressing plate 12 and a fourth elastic element 13, wherein the top of the movable rod 11 is provided with the pressing plate 12 and is supported and installed in a vertical groove at the bottom of the groove 10 through the fourth elastic element 13; meanwhile, the bottom of the rotary table 82 is provided with a positioning groove matched with the movable rod 11.
When the fixing device is used, the pressing plate 12 is pressed to rotate the handle at the same time, then the handle drives the rotating shaft 81 to rotate through the turntable 82, then the rotating shaft 81 drives the positive and negative threaded rod 85 to rotate through the first gear 83 and the second gear 84, meanwhile, the positive and negative threaded rod 85 drives the movable plate 88 to be folded towards the middle through the threaded sleeves 86 and the connecting rods 87 on the two sides, and then the limiting blocks 89 on the movable plate 88 are clamped with the limiting grooves on the mounting column 7, so that the mounting column 7 is fixed in the vertical direction. At the same time, the user releases the pressing plate 12, and then the pressing plate 12 moves upward under the action of the fourth elastic element 13 to press the rotary disk 82 to be fixed, so as to prevent the rotary disk 82 from rotating reversely.
As shown in fig. 3, a positioning rod 21 is arranged on the connecting plate 3, a positioning hole 20 matched with the positioning rod 21 is processed on the fixing box 5, a sealing gasket 22 is further arranged between the connecting plate 3 and the fixing box 5, and a circular groove matched with the mounting column 7 and the positioning rod 21 is formed in the sealing gasket 22. Through the arrangement of the positioning holes 20 and the positioning rods 21, the fixing box 5 and the connecting plate 3 are conveniently positioned, and the fixing box 5 and the connecting plate 3 are prevented from being dislocated; through the setting of sealed pad 22, avoid producing the gap between connecting plate 3 and the fixed case 5, cause the rainwater to get into fixed case 5, lead to the part to rust and corrode to influence the stability that first roof beam body 1 and second roof beam body 2 are connected.
As shown in fig. 3, first chute 15 has all been seted up to fixed case 5 inner chamber top and bottom, and movable plate 92 is through first slider 16 and first chute 15 sliding fit, through the setting of first chute 15 and first slider 16, and convenient to use person carries out spacing fixed to movable plate 92, prevents that movable plate 92 from taking place to rock, causes constant head tank and erection column 7 dislocation, influences the stability of erection column 7, and supplementary movable plate 92 carries out the back-and-forth movement simultaneously. As shown in fig. 4, the second sliding grooves 17 are formed in two sides of the inner cavity of the fixing box 5, the movable plate 88 is in sliding fit with the second sliding grooves 17 through the second sliding blocks 18, the movable plate 88 is limited by the user due to the arrangement of the second sliding grooves 17 and the second sliding blocks 18, the movable plate 88 is prevented from shaking, the position of the limit block 89 and the position of the limit groove are caused to be staggered, the mounting column 7 cannot be fixedly mounted, the stability between the first beam body 1 and the second beam body 2 is affected, and the movable plate 88 is assisted to move up and down.
A connecting method of a prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure comprises the following steps:
firstly, the second beam body 2 is hoisted by utilizing hoisting equipment, then the fixed box 5 is moved to the front side of the connecting plate 3, and then the mounting column 7 is inserted into the inner cavity of the fixed box 5, and at the moment, the mounting column 7 moves forwards and is in contact with the moving plate 92.
Step two, the mounting post 7 pushes the moving plate 92 to press the first steel wire rope 910 to move, then the first steel wire rope 910 drives the limiting pin 99 to move through the limiting plate 98 and separate from the sliding plate 95, then the second elastic element 94 drives the sliding plate 95 to move forward, the sliding plate 95 drives the limiting post 96 to move towards the direction close to the limiting hole and clamp with the limiting hole to fix the mounting post 7, and at this time, the positioning rod 21 is completely inserted into the positioning hole 20.
Step three, pressing the pressing plate 12 to rotate the handle simultaneously, then driving the rotating shaft 81 to rotate by the handle through the turntable 82, then driving the positive and negative threaded rod 85 to rotate by the rotating shaft 81 through the first gear 83 and the second gear 84, simultaneously driving the movable plate 88 to be folded towards the middle by the positive and negative threaded rod 85 through the threaded sleeves 86 and the connecting rod 87 at the two sides, and then clamping the limiting block 89 on the movable plate 88 with the limiting groove on the mounting column 7, thereby fixing the mounting column 7 in the vertical direction. At this time, the user releases the pressing plate 12, and then the pressing plate 12 moves upward under the action of the fourth elastic element 13 to press the rotating disc 82 to be fixed, so as to prevent the rotating disc 82 from rotating reversely.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a prefabricated assembled shaped steel concrete primary and secondary beam connection structure, includes first roof beam body (1) and second roof beam body (2), its characterized in that: the front surface of the first beam body (1) is provided with a connecting plate (3), the second beam body (2) is provided with a fixed box (5), the connecting plate (3) is provided with a mounting column (7) extending to the inner cavity of the fixed box (5), and two side surfaces of the fixed box (5) are symmetrically provided with first locking mechanisms (9) matched with the mounting column (7); the first locking mechanism (9) comprises a movable plate (92), a locking unit, a limiting unit and a first steel wire rope (910), wherein the movable plate (92) is arranged opposite to the mounting column (7), the moving direction of the movable plate (92) is consistent with the length direction of the mounting column (7), the locking unit is arranged on two side faces of an inner cavity of the fixed box (5), the locking unit is provided with a limiting column (96) matched with a limiting hole formed in the surface of the mounting column (7), the limiting unit is connected with the locking unit and used for locking and limiting the limiting column (96), the first steel wire rope (910) is arranged on one side, far away from the mounting column (7), of the movable plate (92), and two ends of the first steel wire rope are connected with the limiting unit respectively.
2. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure according to claim 1, wherein: the locking unit comprises a fixed column (93), a limiting column (96), a sliding plate (95) and a second elastic element (94), wherein the limiting column (96), the sliding plate (95) and the second elastic element (94) are positioned in an inner cavity of the fixed column (93) and are sequentially connected from outside to inside, the fixed column (93) is installed on the side face of the fixed box (5), the second elastic element (94) is compressed between the sliding plate (95) and the side face of the fixed box (5), the inner end of the limiting column (96) is fixedly connected with the sliding plate (95), and the outer end of the limiting column extends to the outside of the fixed column (93); the limiting unit comprises a limiting pin (99) and a third elastic element (97), the third elastic element (97) is sleeved on the outer surface of the limiting pin (99), one end of the limiting pin (99) extends into the fixing column (93) to be clamped with the sliding plate (95), and the other end of the limiting pin is provided with a limiting plate (98); two ends of the first steel wire rope (910) are respectively connected with the two limiting plates (98).
3. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure according to claim 1 or 2, wherein: the upper and lower both sides that lie in erection column (7) in fixed case (5) all are equipped with second locking mechanical system, and second locking mechanical system includes fly leaf (88), connecting rod (87), positive and negative threaded rod (85) and actuating mechanism, but both ends slidable mounting in the both sides of fixed case (5) of fly leaf (88), and be equipped with stopper (89) with erection column (7) joint on it, the both ends of positive and negative threaded rod (85) are rotatable to be installed in the both sides of fixed case (5), and it links to each other with the actuating mechanism drive, and installs thread bush (86) on the positive and negative screw of positive and negative threaded rod (85) respectively, and thread bush (86) are articulated mutually with fly leaf (88) through connecting rod (87).
4. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure according to claim 3, wherein: the driving mechanism comprises a rotating shaft (81) and a first gear (83) fixed on the rotating shaft (81), and a second gear (84) meshed with the first gear (83) is arranged on the positive and negative threaded rod (85).
5. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure according to claim 3, wherein: the top of the fixed box (5) is provided with a groove (10) and is hinged with a box door, the top of the rotating shaft (81) extends into the groove (10) and is provided with a rotating disc (82), the top of the rotating disc (82) is bolted with a handle, the bottom of the rotating disc (82) is provided with a supporting mechanism, the supporting mechanism comprises a movable rod (11), a pressing plate (12) and a fourth elastic element (13), wherein the top of the movable rod (11) is provided with the pressing plate (12) and is supported and installed in a vertical groove at the bottom of the groove (10) through the fourth elastic element (13); the bottom of the rotary table (82) is provided with a positioning groove matched with the movable rod (11).
6. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure according to claim 5, wherein: one side of the sliding plate (95) far away from the limiting column (96) is bolted with a second steel wire rope (14), and the second steel wire rope (14) sequentially penetrates through the fixing column (93) and the fixing box (5) and extends into the groove (10).
7. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure according to claim 3, wherein: the top and the bottom of the inner cavity of the fixed box (5) are both provided with first sliding grooves (15), and the movable plate (92) is in sliding fit with the first sliding grooves (15) through first sliding blocks (16); and the two sides of the inner cavity of the fixed box (5) are provided with second sliding grooves (17), and the movable plate (88) is in sliding fit with the second sliding grooves (17) through a second sliding block (18).
8. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure according to claim 1 or 2, wherein: the positioning device is characterized in that a positioning rod (21) is arranged on the connecting plate (3), a positioning hole (20) matched with the positioning rod (21) is processed on the fixing box (5), and a sealing gasket (22) is arranged between the connecting plate (3) and the fixing box (5).
9. The prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure according to claim 3, wherein: the movable plate (92) is connected with the fixed box (5) through a first elastic element (91), and the surface of the movable plate is provided with a positioning groove matched with the mounting column (7) for use; the movable plate (88) is connected with the fixed box (5) through a fifth elastic element (19).
10. A connecting method of a prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure is characterized in that: the connection structure according to any one of claims 1 to 9, comprising in particular the following steps:
s1, hoisting the second beam body (2) by using hoisting equipment, and inserting the mounting column (7) of the first beam body (1) into the inner cavity of the fixed box (5);
s2, the second beam body (2) continues to move, the mounting column (7) pushes the moving plate (92) to apply pulling force to the first steel wire rope (910), the first steel wire rope (910) drives the limiting unit to move, so that limiting effect on the limiting column (96) is relieved, the limiting column (96) is matched with a limiting hole formed in the surface of the mounting column (7), and accordingly the first beam body (1) is stably connected with the second beam body (2).
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| CN202111160980.8A CN113802692A (en) | 2021-09-30 | 2021-09-30 | Prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure and connecting method |
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| CN202111160980.8A CN113802692A (en) | 2021-09-30 | 2021-09-30 | Prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure and connecting method |
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Application publication date: 20211217 |