CN113250381A - Prefabricated reinforced concrete composite floor slab - Google Patents
Prefabricated reinforced concrete composite floor slab Download PDFInfo
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- CN113250381A CN113250381A CN202110609289.7A CN202110609289A CN113250381A CN 113250381 A CN113250381 A CN 113250381A CN 202110609289 A CN202110609289 A CN 202110609289A CN 113250381 A CN113250381 A CN 113250381A
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- plate
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- floor slab
- sleeve
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
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- 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
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention provides a prefabricated reinforced concrete composite floor slab which comprises steel plates, a shielding unit, a steel frame unit and a fixing unit, wherein the steel plates are arranged on the shielding unit; the steel plate is uniformly provided with stepped through holes, arc-shaped grooves are symmetrically formed in the side wall of the steel plate, steel frame units are installed in the stepped through holes of the steel plate, the fixing units are arranged on the steel frame units, and the fixing units are located at the upper ends of the steel frame units; the shielding unit is arranged in the arc-shaped groove of the side wall of the steel plate in a movable inserting mode; the invention solves the problems that the stability is difficult to keep when the internal steel reinforcement framework is weaved in the process of pouring and forming the existing composite floor slab, so that the structural strength of the poured floor slab is easily influenced by the collapse of the steel reinforcement framework; and the size of the currently woven steel bar framework is not convenient to adjust, so that the thickness of a poured floor slab is not adjustable, and the outer wall of the floor slab is easy to damage when the poured floor slab strikes a die in the stripping process, so that the quality structure and the like of the poured floor slab are influenced.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a prefabricated reinforced concrete composite floor slab.
Background
The laminated floor slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers. The composite floor slab has good integrity, the upper and lower surfaces of the slab are smooth, the decoration of a finish coat is convenient, and the composite floor slab is suitable for high-rise buildings and large-bay buildings with higher requirement on the integral rigidity.
The existing composite floor slab mainly has the following problems in the pouring and forming process: in the process of pouring the composite floor slab, the internal steel reinforcement framework is difficult to keep stable when being woven, so that the collapse of the steel reinforcement framework easily influences the structural strength of the poured floor slab; and the size of the currently woven steel bar framework is not convenient to adjust, so that the thickness of a poured floor slab is not adjustable, and the outer wall of the floor slab is easy to damage when the poured floor slab strikes a die in the stripping process, so that the quality structure of the poured floor slab is influenced.
Therefore, in order to improve the structural strength of the cast floor slab, the demoulding is convenient; the invention provides a prefabricated reinforced concrete composite floor slab.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme; a prefabricated reinforced concrete composite floor slab comprises steel plates, a shielding unit, a steel frame unit and a fixing unit; the steel plate is uniformly provided with stepped circular through holes, arc-shaped grooves are symmetrically formed in the side wall of the steel plate, steel frame units are installed in the stepped circular through holes in the steel plate, the fixing units are arranged on the steel frame units, and the fixing units are located at the upper ends of the steel frame units; the shielding unit is arranged in the arc-shaped groove of the side wall of the steel plate in a movable inserting mode; wherein:
the shielding unit comprises a shielding sleeve plate, a connecting side plate, a limiting column, a limiting spring, a movable plate and an inserting lug; the upper end of the shielding sleeve plate is provided with a mounting groove, the connecting side plate is mounted in the mounting groove of the shielding sleeve plate in an inserting mode, the inner wall of the lower end of the shielding sleeve plate is provided with a rectangular groove, the upper inner wall and the lower inner wall of the rectangular groove of the shielding sleeve plate are uniformly provided with limiting columns, the outer walls of the limiting columns are sleeved with limiting springs, the movable plate is arranged on the limiting columns in a sliding fit mode and matched with the limiting springs, the inserting lug is mounted on the outer wall of the movable plate, and the inserting lug is arranged in the arc-shaped groove of the side wall of the steel plate in an inserting mode; after the reinforcing steel bar framework is woven, inserting the splicing lugs at the lower end of the shielding sleeve plate into the arc-shaped grooves of the steel plates, and selecting whether to additionally install the connecting side plates or not according to the thickness of a poured floor slab; the left side and the right side of the steel plate are covered by adopting templates, the stirred concrete is poured into the internal steel reinforcement framework, and the steel reinforcement framework is vibrated and compacted by a vibrating rod; when the concrete is solidified and formed, the template is tapped and taken down, the shielding sleeve plate is tapped towards the outer side, so that the shielding sleeve plate is separated from the outer wall of the floor formed by solidification, and finally the shielding unit is taken down; thereby shield the unit and be convenient for the installation and realize moulding the type to pouring fashioned floor to treat to be convenient for strike shield the unit after the floor shaping and realize shielding separation between unit and the floor, thereby improved the drawing of patterns efficiency of floor, drive shielding sleeve plate through tapping to the outside and rock effectively and prevented the floor outer wall damage that condenses, thereby guaranteed the quality effect of fashioned floor.
The steel frame unit comprises a U-shaped frame, a threaded rod, a nut, a bolt adjusting rod and a limiting module; the lower end of the U-shaped frame is provided with a threaded rod through a bearing, the lower end of the threaded rod penetrates through a circular through hole of the steel plate and is fixed through a nut, movable grooves are symmetrically formed in the inner wall of the U-shaped frame, the limiting module is arranged in the movable grooves of the U-shaped frame in a sliding fit mode, the bolt adjusting rod is arranged in the movable grooves of the U-shaped frame through the bearing, and the bolt adjusting rod is connected with the limiting module through a thread mode; the angle of having adjusted U type frame and realizing the angular fixity of U type frame through revolving the nut soon to adjust the height of pole control spacing module through artifical adjusting bolt, insert spacing module inside and fix through spacing module with the reinforcing bar at last manual work, the height of inside spacing module is convenient for adjust to the steelframe unit, thereby adjust the height of fixed reinforcing bar, change the horizontal interval between the adjacent reinforcing bar, be convenient for weave the steel reinforcement framework of multiple form.
Preferably; the fixing unit comprises a fixing rod, a threaded sleeve, a lap joint frame sleeve, a movable block, a fixing plate and an extension spring; the upper end of the fixed rod is provided with a threaded sleeve in a threaded connection mode, the upper end of the threaded sleeve is provided with an overlapping frame sleeve, the inner wall of the bottom end of the overlapping frame sleeve is of a semi-arc structure, rectangular grooves are uniformly formed in the inner wall of the bottom end of the overlapping frame sleeve, sliding grooves are symmetrically formed in the inner side wall of the overlapping frame sleeve, the movable blocks are symmetrically arranged in the rectangular grooves of the overlapping frame sleeve in a sliding fit mode, the fixed plate is arranged on the movable blocks through pin shafts, and the lower ends of the movable blocks are connected with the overlapping frame sleeve through the arranged extension springs; through the height of revolving the screw sleeve and adjusting the overlap joint frame cover, lift the fixed plate afterwards, with the reinforcing bar overlap joint in the inside of overlap joint frame cover, block the fixed plate afterwards, the stability of further reinforcing bar that keeps the upper end, the height of the fixed reinforcing bar in upper end is easily adjusted to the fixed unit to the regulation of the framework of steel reinforcement size of being convenient for, so that pour the floor of the not structural strength of multiple thickness.
Preferably; the limiting module comprises a limiting clamping sleeve, a guide rod, an adjusting spring, a sliding block and an angle plate; the limiting clamping sleeve is of a half-frame structure, and movable beads are uniformly arranged on the outer wall of the limiting clamping sleeve in a movable connection mode; the inner wall of the limiting cutting sleeve is of an arc-shaped inwards concave structure, guide rods are symmetrically arranged on the side wall of the limiting cutting sleeve, an adjusting spring is sleeved on the outer wall of each guide rod, the sliding blocks are arranged on the guide rods in a sliding fit mode and matched with the adjusting springs, and angle plates are arranged on the outer wall of the sliding blocks through pin shafts; the reinforcing steel bar is manually pressed into the limiting clamping sleeve, the angle plate is turned inwards under the action of the reinforcing steel bar, and the reinforcing steel bar is fixed under the action of the limiting clamping sleeve and the angle plate, so that the stability of the reinforcing steel bar is kept; the limiting module effectively ensures the fixing effect of the steel bars and avoids shaking in the process of fixing the steel bars, so that steel wire fixing and later-stage cement pouring are conveniently carried out between the steel bars, the collapse of the woven steel bar framework is prevented, and the stability of the steel bar framework is ensured; the later stage floor's the shaping effect of pouring has been guaranteed.
Preferably; a rubber sleeve is sleeved on the outer wall of the threaded rod between the U-shaped frame and the steel plate; the outer wall of the threaded rod between the U-shaped frame and the steel plate is sleeved with a rubber sleeve, so that the U-shaped frame can be conveniently rotated and adjusted to be fixed.
Preferably; the outer wall of the splicing convex block is uniformly provided with movable beads in a movable connection mode; the outer wall of the splicing convex block is uniformly provided with movable beads in a movable connection mode, so that the splicing convex block can be conveniently inserted into the arc-shaped groove of the side wall of the steel plate; the flexibility between the splicing lug and the steel plate is improved; thereby facilitating later removal of the shield unit.
Preferably; the upper end of the threaded sleeve is provided with a through hole; the upper end of the threaded sleeve is provided with a through hole which is convenient for a tool rod screwed to be inserted so as to drive the threaded sleeve to rotate, and the height of the upper-end lap joint frame sleeve is further adjusted.
Preferably; the inner wall of the fixing plate is of an arc-shaped groove structure; the inner wall of fixed plate keeps fixedly for the effect of frictional resistance between the arc groove structure reinforcing bar of being convenient for and the fixed plate, further improvement the stability of inside reinforcing bar.
Preferably; the inner wall of the angle plate is provided with an arc-shaped groove; the arc-shaped groove is formed in the inner wall of the angle plate, so that the fixing effect between the angle plate and the reinforcing steel bar is improved; the steel bar is prevented from shaking.
The invention has the beneficial effects that:
the shielding unit is convenient to install so as to realize the molding of the poured and molded floor slab, and the shielding unit is convenient to knock to realize the separation between the shielding unit and the floor slab after the floor slab is molded, so that the demolding efficiency of the floor slab is improved, the shielding sleeve plate is driven to shake by knocking the shielding sleeve plate outwards so as to effectively prevent the outer wall of the condensed floor slab from being damaged, and the quality effect of the molded floor slab is ensured;
the steel frame unit is convenient for adjusting the height of the internal limiting module, so that the height of the fixed steel bars is adjusted, the horizontal distance between the adjacent steel bars is changed, and the steel bar frameworks in various forms are convenient to weave;
the limiting module effectively guarantees the fixing effect of the steel bars, and avoids shaking in the steel bar fixing process, so that steel wire fixing and later-stage cement pouring are facilitated between the steel bars, the woven steel bar framework is prevented from collapsing, and the stability of the steel bar framework is guaranteed; the later-stage floor slab pouring forming effect is ensured;
the fixing unit provided by the invention is easy to adjust the height of the steel bar fixed at the upper end, so that the size of the steel bar framework can be conveniently adjusted, and floors with various thicknesses and different structural strengths can be conveniently poured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side sectional view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 2;
FIG. 6 is an enlarged view of a portion of the invention at C of FIG. 2;
fig. 7 is a partial enlarged view of the invention at D in fig. 5.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 7, a prefabricated reinforced concrete composite floor slab includes a steel plate 1, a shielding unit 2, a steel frame unit 3, and a fixing unit 4; the steel plate 1 is uniformly provided with stepped circular through holes, arc-shaped grooves are symmetrically formed in the side wall of the steel plate 1, a steel frame unit 3 is installed in the stepped circular through holes in the steel plate 1, the fixing unit 4 is arranged on the steel frame unit 3, and the fixing unit 4 is located at the upper end of the steel frame unit 3; the shielding unit 2 is arranged in the arc-shaped groove of the side wall of the steel plate 1 in a movable splicing mode; wherein:
the steel frame unit 3 comprises a U-shaped frame 31, a threaded rod 32, a nut 33, a bolt adjusting rod 34 and a limiting module 35; the lower end of the U-shaped frame 31 is provided with a threaded rod 32 through a bearing, the lower end of the threaded rod 32 penetrates through a circular through hole of the steel plate 1 and is fixed through a nut 33, and a rubber sleeve is sleeved on the outer wall of the threaded rod 32 between the U-shaped frame 31 and the steel plate 1; a rubber sleeve is sleeved on the outer wall of the threaded rod 32 between the U-shaped frame 31 and the steel plate 1, so that the U-shaped frame 31 can be fixed in a well-rotated and adjusted position; the inner wall of the U-shaped frame 31 is symmetrically provided with movable grooves, the limiting modules 35 are arranged in the movable grooves of the U-shaped frame 31 in a sliding fit manner, the bolt adjusting rods 34 are arranged in the movable grooves of the U-shaped frame 31 through bearings, and the bolt adjusting rods 34 are connected with the limiting modules 35 in a threaded manner; the angle of having adjusted U type frame 31 and realizing U type frame 31's angular fixity through twisting nut 33 soon, and adjust the height of 34 control spacing modules 35 through artifical adjusting bolt, it is inside and fix through spacing modules 35 to insert the reinforcing bar at last the manual work, the height of inside spacing modules 35 is convenient for adjust to steelframe unit 3, thereby adjust the height of fixed reinforcing bar, change the horizontal distance between the adjacent reinforcing bar, be convenient for weave the steel reinforcement framework of multiple form.
The limiting module 35 comprises a limiting clamp sleeve 351, a guide rod 352, an adjusting spring 353, a sliding block 354 and an angle plate 355; the limiting clamping sleeve 351 is of a half-frame structure, and movable beads are uniformly arranged on the outer wall of the limiting clamping sleeve 351 in a movable connection mode; the inner wall of the limiting clamp sleeve 351 is of an arc-shaped concave structure, guide rods 352 are symmetrically arranged on the side wall of the limiting clamp sleeve 351, an adjusting spring 353 is sleeved on the outer wall of each guide rod 352, a sliding block 354 is arranged on each guide rod 352 in a sliding fit mode, the sliding block 354 is matched with the adjusting spring 353, an angle plate 355 is arranged on the outer wall of each sliding block 354 through a pin shaft, an arc-shaped groove is formed in the inner wall of each angle plate 355, and the fixing effect between each angle plate 355 and a steel bar is improved due to the fact that the arc-shaped grooves are formed in the inner wall of each angle plate 355; the steel bar is prevented from shaking; the reinforcing steel bars are manually pressed into the limiting clamp sleeve 351, the angle plate 355 is turned inwards under the action of the reinforcing steel bars, and the reinforcing steel bars are fixed under the action of the limiting clamp sleeve 351 and the angle plate 355, so that the stability of the reinforcing steel bars is kept; the limiting module 35 effectively ensures the fixing effect of the reinforcing steel bars, and avoids shaking in the reinforcing steel bar fixing process, so that steel wire fixing and later-stage cement pouring are conveniently carried out between the reinforcing steel bars, the woven reinforcement cage is prevented from collapsing, and the stability of the reinforcement cage is ensured; the later stage floor's the shaping effect of pouring has been guaranteed.
The fixing unit 4 comprises a fixing rod 41, a threaded sleeve 42, a lap joint frame sleeve 43, a movable block 44, a fixing plate 45 and an extension spring 46; the upper end of the fixed rod 41 is provided with a threaded sleeve 42 in a threaded connection mode, and the upper end of the threaded sleeve 42 is provided with a through hole; the upper end of the threaded sleeve 42 is provided with a through hole for inserting a tool rod to drive the threaded sleeve 42 to rotate, and the height of the upper end lap joint frame sleeve 43 is further adjusted; the upper end of the threaded sleeve 42 is provided with the lapping frame sleeve 43, the inner wall of the bottom end of the lapping frame sleeve 43 is of a semi-arc structure, rectangular grooves are uniformly formed in the inner wall of the bottom end of the lapping frame sleeve 43, sliding grooves are symmetrically formed in the inner side wall of the lapping frame sleeve 43, the movable blocks 44 are symmetrically arranged in the rectangular grooves of the lapping frame sleeve 43 in a sliding fit mode, the fixed plate 45 is arranged on the movable blocks 44 through pin shafts, the lower end of each movable block 44 is connected with the lapping frame sleeve 43 through the arranged extension spring 46, and the inner wall of the fixed plate 45 is of an arc groove structure; the inner wall of the fixing plate 45 is of an arc groove structure, so that the reinforcing steel bars and the fixing plate 45 are kept fixed under the action of frictional resistance, and the stability of the reinforcing steel bars inside is further improved; adjust the height of overlap joint frame cover 43 through revolving screw sleeve 42, lift fixed plate 45 afterwards, with the reinforcing bar overlap joint in the inside of overlap joint frame cover 43, fixed plate 45 is blocked afterwards, the stability of further reinforcing bar that keeps the upper end, the height of the fixed reinforcing bar in upper end is easily adjusted to fixed unit 4 to be convenient for the regulation of steel reinforcement skeleton size, so that pour the floor of the different structural strength of multiple thickness.
The shielding unit 2 comprises a shielding sleeve plate 21, a connecting side plate 22, a limiting column 23, a limiting spring 24, a movable plate 25 and an inserting lug 26; the upper end of the shielding sleeve plate 21 is provided with a mounting groove, the connecting side plate 22 is mounted in the mounting groove of the shielding sleeve plate 21 in an inserting manner, the inner wall of the lower end of the shielding sleeve plate 21 is provided with a rectangular groove, the upper inner wall and the lower inner wall of the rectangular groove of the shielding sleeve plate 21 are uniformly provided with limit columns 23, the outer wall of each limit column 23 is sleeved with a limit spring 24, the movable plate 25 is arranged on each limit column 23 in a sliding fit manner, the movable plate 25 is matched with the limit springs 24, the inserting lugs 26 are mounted on the outer wall of the movable plate 25, and the outer wall of each inserting lug 26 is uniformly provided with movable beads in a movable connection manner; the outer wall of the splicing convex block 26 is uniformly provided with movable beads in a movable connection mode, so that the splicing convex block 26 can be inserted into the arc-shaped groove on the side wall of the steel plate 1 conveniently; the flexibility between the splicing lug 26 and the steel plate 1 is improved; thereby facilitating the later removal of the shield unit 2; the splicing convex block 26 is arranged in the arc-shaped groove on the side wall of the steel plate 1 in a splicing mode; after the reinforcing steel bar framework is woven, inserting the splicing convex block 26 at the lower end of the shielding sleeve plate 21 into the arc-shaped groove of the steel plate 1, and selecting whether to additionally install a connecting side plate according to the thickness of a poured floor slab; the left side and the right side of the steel plate are covered by adopting templates, the stirred concrete is poured into the internal steel reinforcement framework, and the steel reinforcement framework is vibrated and compacted by a vibrating rod; when the concrete is solidified and formed, tapping the form plate to remove the form plate, tapping the shielding sleeve plate 21 outwards to separate the shielding sleeve plate 21 from the outer wall of the floor formed by solidification, and finally removing the shielding unit 2; thereby shield unit 2 is convenient for the installation and is realized moulding the type to the fashioned floor of pouring to treat to be convenient for strike shield unit 2 after the floor shaping and realize shielding separation between unit 2 and the floor, thereby improved the drawing of patterns efficiency of floor, drive shield sleeve plate 21 through tapping to the outside and rock and effectively prevented the floor outer wall damage that condenses, thereby guaranteed the quality effect of fashioned floor.
When the invention is used for pouring the floor slab with a certain thickness, the concrete steps are as follows: firstly, adjusting the angle of the U-shaped frame 31, realizing the angle fixation of the U-shaped frame 31 by screwing the nut 33, and then inserting a screwed tool rod into a through hole on the threaded sleeve 42; further adjusting the height of the upper end lap joint frame sleeve 43; the reinforcing steel bars are sequentially pressed into the limiting clamp sleeve 351, the angle plate 355 is turned inwards under the action of the reinforcing steel bars, and the reinforcing steel bars are fixed under the action of the limiting clamp sleeve 351 and the angle plate 355, so that the stability of the reinforcing steel bars is kept; then, the fixing plate 45 is lifted, the reinforcing steel bars are lapped inside the lapping frame sleeve 43, and then the fixing plate 45 is clamped, so that the stability of the reinforcing steel bars at the upper end is further maintained; the fixed steel bars are in a triangular structure, so that the stability of the steel bar framework is improved, and finally, the steel bars are woven and fixed manually through steel wires; after the reinforcing steel bar framework is woven and fixed; inserting the splicing convex block 26 at the lower end of the shielding sleeve plate 21 into the arc-shaped groove of the steel plate 1, and selecting whether to additionally install the connecting side plate 22 according to the thickness of a poured floor slab; the left side and the right side of the steel plate 1 are covered by a template, the stirred concrete is poured into the internal steel reinforcement framework, and the steel reinforcement framework is vibrated and compacted by a vibrating rod; when the concrete is solidified and formed, the template is tapped and removed, and the shielding sleeve plate 21 is tapped towards the outer side, so that the shielding sleeve plate 21 is separated from the outer wall of the floor formed by solidification, and finally the shielding unit 2 is removed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A prefabricated reinforced concrete composite floor slab comprises steel plates (1), shielding units (2), steel frame units (3) and fixing units (4); the method is characterized in that: the steel plate (1) is uniformly provided with stepped circular through holes, arc-shaped grooves are symmetrically formed in the side wall of the steel plate (1), steel frame units (3) are installed in the stepped circular through holes in the steel plate (1), the fixing units (4) are arranged on the steel frame units (3), and the fixing units (4) are located at the upper ends of the steel frame units (3); the shielding unit (2) is arranged in the arc-shaped groove of the side wall of the steel plate (1) in a movable splicing mode; wherein:
the shielding unit (2) comprises a shielding sleeve plate (21), a connecting side plate (22), a limiting column (23), a limiting spring (24), a movable plate (25) and an inserting lug (26); the upper end of the shielding sleeve plate (21) is provided with a mounting groove, the connecting side plate (22) is mounted in the mounting groove of the shielding sleeve plate (21) in an inserting mode, the inner wall of the lower end of the shielding sleeve plate (21) is provided with a rectangular groove, the upper inner wall and the lower inner wall of the rectangular groove of the shielding sleeve plate (21) are uniformly provided with limiting columns (23), the outer walls of the limiting columns (23) are sleeved with limiting springs (24), the movable plate (25) is arranged on the limiting columns (23) in a sliding fit mode, the movable plate (25) is matched with the limiting springs (24), the inserting lugs (26) are mounted on the outer wall of the movable plate (25), and the inserting lugs (26) are arranged in arc-shaped grooves in the side wall of the steel plate (1) in an inserting mode;
the steel frame unit (3) comprises a U-shaped frame (31), a threaded rod (32), a nut (33), a bolt adjusting rod (34) and a limiting module (35); u type frame (31) lower extreme install threaded rod (32) through the bearing, and the lower extreme of threaded rod (32) passes the circular through-hole of steel sheet (1) and passes through nut (33) fixed, the activity groove has been seted up to the inner wall symmetry of U type frame (31), spacing module (35) set up the activity inslot in U type frame (31) through the sliding fit mode, bolt adjusting lever (34) set up the activity inslot in U type frame (31) through the bearing, and be connected through the screw thread mode between bolt adjusting lever (34) and spacing module (35).
2. A prefabricated reinforced concrete composite floor slab as claimed in claim 1, wherein: the fixing unit (4) comprises a fixing rod (41), a threaded sleeve (42), an overlapping frame sleeve (43), a movable block (44), a fixing plate (45) and an extension spring (46); dead lever (41) upper end be provided with screw sleeve (42) through the threaded connection mode, and the upper end of screw sleeve (42) installs overlap joint frame cover (43), the bottom inner wall of overlap joint frame cover (43) is half arc structure, and the bottom inner wall of overlap joint frame cover (43) evenly is provided with the rectangular channel, the inside wall symmetry that is located overlap joint frame cover (43) is provided with the spout, movable block (44) set up the rectangular channel at overlap joint frame cover (43) through sliding fit mode symmetry, fixed plate (45) install on movable block (44) through the round pin axle, and the lower extreme of movable block (44) is connected between extension spring (46) and overlap joint frame cover (43) through setting up.
3. A prefabricated reinforced concrete composite floor slab as claimed in claim 1, wherein: the limiting module (35) comprises a limiting clamp sleeve (351), a guide rod (352), an adjusting spring (353), a sliding block (354) and an angle plate (355); the limiting clamping sleeve (351) is of a half-frame structure, and movable beads are uniformly arranged on the outer wall of the limiting clamping sleeve (351) in a movable connection mode; and the inner wall of spacing cutting ferrule (351) is the arc indent structure, and the lateral wall symmetry that is located spacing cutting ferrule (351) is provided with guide bar (352), and the outer wall cover of guide bar (352) is equipped with adjusting spring (353), sliding block (354) set up on guide bar (352) through sliding fit mode, and sliding block (354) cooperate with adjusting spring (353), and scute (355) are installed through the round pin axle to the outer wall that is located sliding block (354).
4. A prefabricated reinforced concrete composite floor slab as claimed in claim 1, wherein: and a rubber sleeve is sleeved on the outer wall of the threaded rod (32) between the U-shaped frame (31) and the steel plate (1).
5. A prefabricated reinforced concrete composite floor slab as claimed in claim 1, wherein: the outer wall of the insertion convex block (26) is uniformly provided with movable beads in a movable connection mode.
6. A prefabricated reinforced concrete composite floor slab as claimed in claim 2, wherein: the upper end of the threaded sleeve (42) is provided with a through hole.
7. A prefabricated reinforced concrete composite floor slab as claimed in claim 2, wherein: the inner wall of the fixing plate (45) is of an arc-shaped groove structure.
8. A prefabricated reinforced concrete composite floor slab as claimed in claim 3, wherein: the inner wall of the angle plate (355) is provided with an arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609289.7A CN113250381B (en) | 2021-06-01 | 2021-06-01 | Prefabricated reinforced concrete composite floor slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609289.7A CN113250381B (en) | 2021-06-01 | 2021-06-01 | Prefabricated reinforced concrete composite floor slab |
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| CN113250381A true CN113250381A (en) | 2021-08-13 |
| CN113250381B CN113250381B (en) | 2022-08-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005163320A (en) * | 2003-12-01 | 2005-06-23 | Hanzawa Shigekazu | Method for fixing steel mesh form member, and clip fixing instlement used for fixing the same |
| CN111197371A (en) * | 2020-01-10 | 2020-05-26 | 赵玉玲 | Prefabricated coincide floor of prestressing force sheet metal assembled |
| CN211007323U (en) * | 2019-08-27 | 2020-07-14 | 中铁二十一局集团第四工程有限公司 | Construction reinforcing bar reinforcing apparatus |
| CN112411884A (en) * | 2020-10-10 | 2021-02-26 | 陕西建工第九建设集团有限公司 | Fixing device for slow-bonding prestressed tendon |
-
2021
- 2021-06-01 CN CN202110609289.7A patent/CN113250381B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005163320A (en) * | 2003-12-01 | 2005-06-23 | Hanzawa Shigekazu | Method for fixing steel mesh form member, and clip fixing instlement used for fixing the same |
| CN211007323U (en) * | 2019-08-27 | 2020-07-14 | 中铁二十一局集团第四工程有限公司 | Construction reinforcing bar reinforcing apparatus |
| CN111197371A (en) * | 2020-01-10 | 2020-05-26 | 赵玉玲 | Prefabricated coincide floor of prestressing force sheet metal assembled |
| CN112411884A (en) * | 2020-10-10 | 2021-02-26 | 陕西建工第九建设集团有限公司 | Fixing device for slow-bonding prestressed tendon |
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| CN113250381B (en) | 2022-08-19 |
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