CN112878589B - Steel bar protection layer component for building construction - Google Patents
Steel bar protection layer component for building construction Download PDFInfo
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- CN112878589B CN112878589B CN202110374627.3A CN202110374627A CN112878589B CN 112878589 B CN112878589 B CN 112878589B CN 202110374627 A CN202110374627 A CN 202110374627A CN 112878589 B CN112878589 B CN 112878589B
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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
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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
- E04C5/162—Connectors or means for connecting parts for reinforcements
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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
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
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- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention belongs to the technical field of building construction, and discloses a steel bar protection layer component technology for building construction, which comprises a stable long plate, wherein the two sides of the stable long plate are respectively and fixedly connected with a connecting long plate, the inner side of the connecting long plate is uniformly provided with a square placing clamping groove matched with the connecting long plate, the upper part of the connecting long plate at the two sides is respectively and uniformly and fixedly connected with a connecting square plate, the upper part of the connecting square plate is fixedly connected with a curved connecting plate, the two sides of the curved connecting plate are respectively and uniformly and fixedly connected with screws, and the curved connecting plate is fixedly connected with the connecting long plate through the screws. According to the invention, the first connecting shaft and the second connecting shaft are movably connected on the first curved fixed connecting shaft, and the volume of concrete shrinks when the concrete is solidified, so that the first connecting shaft and the second connecting shaft are driven to move relatively, therefore, the concrete and the device are always in a bonding state, the stability of the device is improved, and the problem of poor fixation of the reinforcing steel bars and the concrete is effectively solved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a steel bar protective layer component technology for building construction.
Background
The reinforcing steel bar protective layer member is a structural member widely used in the field of building construction, and is generally used for realizing more stable structural combination in the matching occasion of concrete.
The existing part of reinforcing steel bar protective layer components are very complicated in use, need to be connected and fixed slowly, and are not fastened enough in connection of reinforcing steel bars at different angles, so that the reinforcing steel bar protective layer component technology for building construction is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a steel bar protective layer component for building construction, which is more convenient for the fixed connection of a steel bar protective layer and the connection of a steel bar structure with certain curvature.
In order to achieve the purpose, the invention provides the following technical scheme: a reinforcing steel bar protective layer component for building construction comprises a stable long plate, wherein two sides of the stable long plate are respectively and fixedly connected with a connecting long plate, the inner side of the connecting long plate is uniformly provided with square placing clamping grooves matched with the connecting long plate, two sides of the connecting long plate are respectively and uniformly and fixedly connected with a connecting square plate, the upper side of the connecting square plate is fixedly connected with a curved connecting plate, two sides of the curved connecting plate are respectively and uniformly and fixedly connected with screws, the curved connecting plate is fixedly connected with the connecting long plate through screws, the end surface of the curved connecting plate is provided with a circular clamping groove matched with a first connecting shaft, the first connecting shaft is clamped with the curved connecting plate through the circular clamping groove, the lower side of the connecting long plate is uniformly and fixedly connected with fixing rods, the first connecting shaft is connected with a first curved connecting shaft in a sliding mode, the middle of the first curved fixing connecting shaft is in threaded connection with a clamping block, the lower part of the first curved fixed connecting shaft is provided with a tightening block, the lower part of the first curved fixed connecting shaft is connected with a second connecting shaft in a sliding way, two sides of the first connecting shaft are fixedly connected with a second connecting shaft, two sides of the second connecting shaft are fixedly connected with a first connecting shaft, the first connecting shaft is rotationally connected with a rotating bead through a connecting rod, the rotating bead is fixedly connected with one end of a rotating rod, the other end of the rotating rod is fixedly connected with a fourth connecting shaft, the outer side of the fourth connecting shaft is uniformly and fixedly connected with a second curved fixed connecting shaft, the upper part of the second curved fixed connecting shaft is fixedly connected with a third connecting shaft, a circular groove matched with the third connecting shaft is formed in the second curved fixed connecting shaft, the outer side of the third connecting shaft is provided with a limiting mechanism, and the limiting mechanism is movably connected with the first connecting shaft, stop gear is including connecting the cylinder, connect cylindrical outside fixedly connected with fixation cylinder, fixation cylinder's inside fixedly connected with connecting rod, the both sides fixedly connected with nut of connecting rod.
Preferably, the circumferential surface of the first connecting shaft at the outermost side is sleeved with the first fixed connecting ball, the first fixed connecting ball is provided with a slot, the slot is connected with the first supporting shaft in an inserting mode, a cushion block is arranged at the bottom of the slot, and the cushion block is made of elastic materials.
Preferably, the first fixed connection balls are distributed above the first connection shaft on the outermost side in a rectangular shape, a second support shaft is inserted above the first fixed connection balls on the vertex of the rectangle, the second support shaft is fixedly connected with the second connection balls, the second fixed connection balls are fixedly connected with the connection long shaft, and the connection long shaft is connected end to end around the second fixed connection balls to form a rectangle.
Preferably, a circular groove matched with the second connecting shaft is formed in the inner side of the first curved fixing connecting shaft.
Preferably, the connecting cylinders are arranged on two sides of the fixed cylinder, the connecting cylinders are connected with the third connecting shaft in a sliding mode on one side, and the connecting cylinders are connected with the first connecting shaft in a sliding mode on the other side.
Preferably, both sides fixedly connected with screw thread post of connecting rod, the screw thread groove with screw thread post assorted is seted up to fixed cylindrical inboard.
Preferably, the size of the inner hole of the rotating rod is the same as that of the inner hole of the first connecting and fixing shaft.
Preferably, the fixture block is rotated to extend the clamping block to the circle center, so that the second connecting shaft and the first curved fixed connecting shaft form fixed connection, when the fixture block rotates in the reverse direction, the clamping block contracts, and the second connecting shaft and the first curved fixed connecting shaft form sliding connection.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the first connecting shaft and the second connecting shaft are movably connected on the first curved fixed connecting shaft, after the device is subjected to concrete pouring, the binding force generated during concrete solidification can be fixed with the device into a whole, and simultaneously, the volume of the concrete is contracted during solidification to drive the first connecting shaft and the second connecting shaft to move relatively, so that the concrete and the device are always in a binding state, the stability of the device is improved, and the problem of poor fixation of a reinforcing steel bar and the concrete is effectively solved.
2. The invention connects the fixing piece of the third connecting shaft with the first connecting fixed shaft by arranging the first connecting fixed shaft, the fixed cylinder and the connecting cylinder to be matched with each other, when the structure is used for working when needing to connect a curved shaft, the first connecting shaft 1 in the upper layer and the outer side of the third connecting shaft 23 in the rotating reinforcing steel bar protection layer structure are required to be fixedly connected with the fixed cylinder 19 in advance, then the fixing piece fourth connecting shaft 24 of the third connecting shaft 23 is connected with the original reinforcing steel bar protection layer structure through the first connecting fixed shaft 4, the rotating angle is adjusted, when the rotating reinforcing steel bar protection layer structure rotates to a proper angle, the fixed cylinders 19 at the two sides of the connecting rod 21 are in threaded connection with the connecting cylinder 18, so that the rotating reinforcing steel bar protection layer structure is connected with the original reinforcing steel bar protection layer component, and the fixing connection of the reinforcing steel bar protection layer is more convenient through the mutual matching between the structures, the connection of the steel bar structure with a certain curvature is more conveniently realized, the market competitiveness is good, and the method is worthy of recommendation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of a base according to the present invention;
FIG. 3 is a schematic view of a bottom support according to the present invention;
FIG. 4 is a perspective view of the central support of the present invention;
FIG. 5 is a schematic perspective view of a spacing mechanism according to the present invention;
FIG. 6 is a perspective view of the fixed connecting shaft according to the present invention;
fig. 7 is a schematic perspective view of the connecting and fixing shaft according to the present invention.
In the figure: 1. a first connecting shaft; 2. a first curved fixed connection shaft; 3. a second connecting shaft; 4. a first connecting fixed shaft; 5. a curved connection plate; 6. the second connecting fixed shaft; 7. a circular slot; 8. connecting the square plates; 9. connecting the long plates; 10. stabilizing the long plate; 11. a screw; 12. fixing the rod; 13. connecting the long shaft; 14. a first support shaft; 15. a first fixed connecting ball; 16. a second fixed connecting ball; 17. a second support shaft; 18. a connecting cylinder; 19. fixing the cylinder; 20. a nut; 21. a connecting rod; 22. a second fixed curved connecting shaft; 23. a third connecting shaft; 24. a fourth connecting shaft; 25. a limiting mechanism; 26. a clamping block; 27. rotating the beads; 28. rotating the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-7, a steel bar protection layer component for building construction, comprising a stable long plate 10, connecting long plates 9 fixedly connected to both sides of the stable long plate 10, square slots for placing and matching with the connecting long plates 9 uniformly formed on the inner sides of the connecting long plates 9, connecting square plates 8 fixedly connected to both sides of the connecting long plates 9, curved connecting plates 5 fixedly connected to the upper sides of the connecting square plates 8, screws 11 fixedly connected to both sides of the curved connecting plates 5, and fixing rods 12 fixedly connected to the lower sides of the connecting long plates 9, wherein the connecting long plate 9, the stable long plate 10 and the curved connecting plates 5 are first matched to form a lower layer structure of the device, the lower layer structure of the device is used for contacting with the ground, the height between the lower layer structure and the ground is changed by replacing the fixing rods 12 with different heights, so that the thickness of the steel bar protection layer can be changed according to different construction requirements, the utilization rate of the device is improved; secondly through curved connecting plate 5 sliding connection first connecting axle 1, make the device behind the pouring concrete, first connecting axle 1 can follow the shrink of concrete and remove, improves the adhesion stress of concrete and the device to make the more firm of concrete fix with the device, improved the device's stability.
Curved connecting plate 5 passes through screw 11 and is connected long board 9 fixed connection, curved connecting plate 5 terminal surface set up with first connecting axle 1 assorted circular slot 7, first connecting axle 1 passes through circular slot 7 and curved connecting plate 5 joint, 1 periphery of the first connecting axle in the outside cup joints with first fixed connection ball 15, be provided with first supporting axle 14 on the first fixed connection ball 15, first fixed connection ball 15 has seted up the slot, and the slot is pegged graft with first supporting axle 14, the slot bottom is provided with the cushion, the cushion is the elasticity material, the elasticity deformation volume of cushion is greater than the biggest deformation volume that the cushion takes place when cushion top concrete and device this weight act on the cushion, prevent that the cushion from being crushed, can't cushion, can not adapt to the shrinkage stress that produces when the concrete solidifies, so can do benefit to fix concrete structure.
The first fixed connecting balls 15 are distributed above the first connecting shaft 1 on the outermost side in a rectangular shape, second supporting shafts 17 are inserted above the first fixed connecting balls 15 on the vertexes of the rectangle, the second supporting shafts 17 are fixedly connected with the second fixed connecting balls 16, the second fixed connecting balls 16 are fixedly connected with the connecting long shafts 13, the connecting long shafts 13 are connected end to end around the second fixed connecting balls 16 to form a rectangle, and the long shafts 13, the second supporting shafts 17 and the first supporting shafts 14 are matched with each other to form a middle layer structure of the device; secondly, because the fire resistance of concrete is greater than the fire resistance of reinforcing bar, when the conflagration breaks out, when the concrete in the outermost side is melted, because heat transfer reinforcing bar layer also can be melted, the concrete that sets up at reinforcing bar layer inboard still has certain holding power this moment, slows down the building collapse time to increase rescue time for the rescue personnel, guarantee personnel's safety to the at utmost when the building collapses.
The first curved fixed connecting shaft 2 is connected with the first connecting shaft 1 in a sliding mode, a clamping block 26 is connected with the middle of the first curved fixed connecting shaft 2 in a threaded mode, a tightening block is arranged on the lower portion of the first curved fixed connecting shaft 2, the clamping block 26 is rotated to enable the clamping block to extend towards the circle center, further, the second connecting shaft 3 is fixedly connected with the first curved fixed connecting shaft 2, when the clamping block 26 rotates reversely, the tightening block contracts, the second connecting shaft 3 is connected with the first curved fixed connecting shaft 2 in a sliding mode, when the clamping block 26 is in an initial state, the tightening block is in a contraction state, the second connecting shaft 3 is in sliding connection with the first curved fixed connecting shaft 2, when concrete pouring of the device is completed, the volume of the device shrinks inwards when the concrete is solidified, and at the moment, the second connecting shaft 3 on the first curved fixed connecting shaft 2 can move longitudinally along with the shrinkage of the concrete, thereby make second connecting axle 3 keep close connection relation with the concrete throughout, thereby prevent that the concrete from producing the gap with device itself when solidifying and leading to protective layer structure to produce the crack, use the later stage and leave the potential safety hazard.
In summary, the following steps: on one hand, when concrete is condensed and shrinks inwards, the first connecting shaft 1 and the second connecting shaft 3 are slidably connected with the first curved fixed connecting shaft 2, the first connecting shaft 1 and the second connecting shaft 3 move along the horizontal direction of the shrinkage of the concrete, meanwhile, the first supporting shaft 14 and the second supporting shaft 17 are inserted through the slots, the cushion blocks are arranged in the slots, when the concrete shrinks, the first supporting shaft 14 and the second supporting shaft 17 move along the vertical direction of the shrinkage of the concrete, so that the concrete is always in a bonding relation with the steel bar structure, the problem that gaps are generated between the steel bar structure and the concrete due to the shrinkage of the concrete and the structure is unstable is solved, or the concrete is cracked because the bonding force between the concrete and the steel bar structure is smaller than the self shrinkage force of the concrete, so that the structure has no stability, influence on later use; on the other hand, by replacing the first supporting shaft 14, the second supporting shaft 17 and the fixing rod 12, the height of the bottom protective layer and the height of the middle protective layer can be adjusted on the premise of different construction requirements, and the utilization rate of the device is improved.
Example two
As the further improvement of the technical scheme, when the device needs to connect and fix the reinforcing steel bars at different angles, the connecting modes adopted by the device are all movably connected, and after the reinforcing steel bars at different angles are connected, the connected reinforcing steel bar protection layer structure is displaced under the influence of the gravity of the reinforcing steel bar protection layer structure at another angle, so that the angles of the two reinforcing steel bar protection layer structures cannot be fixed, and the relative positions of the two reinforcing steel bar protection layer structures cannot be fixed. To avoid the above problem, the control is performed according to the method described in the present embodiment.
The inner side of the first curved fixed connecting shaft 2 is provided with a circular groove matched with the second connecting shaft 3, the lower part of the first curved fixed connecting shaft 2 is connected with the second connecting shaft 3 in a sliding manner, the two sides of the first connecting shaft 1 are fixedly connected with second connecting fixing shafts 6, the two sides of the second connecting shaft 3 are fixedly connected with first connecting fixing shafts 4, the first connecting fixing shafts 4 are rotatably connected with rotating beads 27 through connecting rods, the rotating beads 27 are fixedly connected with one end of a rotating rod 28, the other end of the rotating rod 28 is fixedly connected with a fourth connecting shaft 24, the size of an inner hole of the rotating rod 28 is the same as that of an inner hole of the first connecting fixing shaft 4, firstly, the second reinforcing steel bar protection layer structure can be conveniently connected, the diameters of reinforcing steel bars used by the two reinforcing steel bar protection layer structures are ensured to be the same, the stress generated by the two reinforcing steel bar protection layer structures is enabled to be the same, and the structure is enabled to be more stable; secondly, the rotating bead 27 is rotatably connected with the first connecting and fixing shaft 4, so that the fourth connecting shaft 24 rotates along with the rotating angle of the rotating bead 27, the steel bar protection layer structure connected with the fourth connecting shaft 24 and the steel bar protection layer structure connected with the first connecting and fixing shaft 4 form a required angle, the angle between the two steel bar protection layer structures can be conveniently adjusted, and the purpose of adjusting the angle required by the two steel bar protection layer structures in construction is achieved.
The outer side of a fourth connecting shaft 24 is uniformly and fixedly connected with a second fixed curved connecting shaft 22, the inner part of the second fixed curved connecting shaft 22 above is fixedly connected with a third connecting shaft 23, the inner part of the second fixed curved connecting shaft 22 is provided with a circular groove matched with the third connecting shaft 23, the outer side of the third connecting shaft 23 is provided with a limiting mechanism 25, the limiting mechanism 25 is movably connected with the first connecting shaft 1, the limiting mechanism 25 comprises a connecting cylinder 18, the outer side of the connecting cylinder 18 is fixedly connected with a fixed cylinder 19, both sides of the fixed cylinder 19 are respectively provided with a connecting cylinder 18, the inner part of the fixed cylinder 19 is fixedly connected with a connecting rod 21, both sides of the connecting rod 21 are fixedly connected with nuts 20, both sides of the connecting rod 21 are fixedly connected with threaded columns, the inner side of the fixed cylinder 19 is provided with a threaded groove matched with the threaded columns, one side of the connecting cylinder 18 is connected with the third connecting shaft 23 in a sliding manner, the cylinder 18 and the sliding connection of first connecting axle 1 are connected to the opposite side, at first rotate required steel bar protective layer structure to suitable position back through rotating pearl 27, carry out fixed connection with original steel bar protective layer structure and the steel bar protective layer structure after the rotation through stop gear 25, make the steel bar protective layer structure after the rotation under connecting rod 21's restrictive force, make its angle fix, subsequent processing of being convenient for. Secondly when the reinforcing bar protective layer structure after the rotation receives external force connecting rod 21 gives the reinforcing bar protective layer structure after the rotation certain holding power through original reinforcing bar protective layer structure, makes the reinforcing bar protective layer structure after the rotation not take place deformation and collapse to the reinforcing bar that makes different angles is fixed more tightly.
The first curved fixed connecting shaft 2 is connected on the first connecting shaft 1 in a sliding manner, a clamping block 26 is connected in the middle of the first curved fixed connecting shaft 2 through threads, a tightening block is arranged at the lower part of the first curved fixed connecting shaft 2, the clamping block 26 is rotated to extend towards the circle center, so that the first curved fixed connecting shaft 2 and the second connecting shaft 3 are fixedly connected, the relative position of the rotating reinforcing steel bar protective layer structure and the original reinforcing steel bar protective layer structure is firstly fixed, the rotating reinforcing steel bar protective layer structure is prevented from falling off from the original reinforcing steel bar protective layer structure due to the pressure of an inclined plane on the rotating reinforcing steel bar protective layer structure, the stability of the reinforcing steel bar protective layer structures with different angles is improved, and the rotating reinforcing steel bar protective layer structure can move relatively along the shrinkage direction of concrete after the concrete is poured, so that the original reinforcing steel bar protective layer structure and the rotating reinforcing steel bar protective layer structure are automatically fused into a whole, the stability of the device is improved.
When the structure is required to be used for construction, a fixed rod 12 is fixed at a position required to be constructed, a connecting structure at the bottom of a curved connecting plate 5 is connected and fixed, then the curved connecting plate is fastened and fixed through a screw 11, then a first connecting shaft 1 penetrates through a circular clamping groove 7 on one side, then a plurality of first curved fixed connecting shafts 2 and first fixed connecting balls 15 are conveyed onto the first connecting shaft 1, then the first connecting shaft 1 penetrates through the opposite circular clamping groove 7 to complete the installation of the first connecting shaft 1 and the curved connecting plate 5, then a second connecting shaft 3 sequentially penetrates through the lower end of the first curved fixed connecting shaft 2 to complete the fixation of the bottom layer of the device, then a second supporting shaft 17 is inserted on the first fixed connecting balls 15 to complete the fixation of a layer rectangular frame in the structure, and then a first supporting shaft 14 is inserted on the first fixed connecting balls 15, then the long connecting shaft 13 is fixed on the first supporting shaft 14 and the second supporting shaft 17, so that the fixing of the middle layer structure of the device is completed, the second supporting shaft 17 and the other end of the first supporting shaft 14 are inserted with the first fixed connecting ball 15, and the fixing of the upper layer structure of the device is completed by repeating the above bottom layer operation. When the rotating steel bar protective layer structure needs to be connected, the first connecting shaft 1 and the outer side fixed connection fixing cylinder 19 of the third connecting shaft 23 in the rotating steel bar protective layer structure need to be connected in advance, then the fixing piece fourth connecting shaft 24 of the third connecting shaft 23 is connected with the original steel bar protective layer structure through the first connection fixing shaft 4, the rotating angle is adjusted, after the rotating steel bar protective layer structure rotates to a proper angle, the fixing cylinders 19 and the connecting cylinders 18 are in threaded connection through the connecting rods 21, and the rotating steel bar protective layer structure is connected with the original steel bar protective layer member.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The reinforcing steel bar protection layer component for building construction comprises a stable long plate (10) and is characterized in that two sides of the stable long plate (10) are respectively and fixedly connected with a connecting long plate (9), the inner side of the connecting long plate (9) is uniformly provided with a square placing clamping groove matched with the connecting long plate (9), two sides of the connecting long plate (9) are respectively and uniformly and fixedly connected with a connecting square plate (8), the upper part of the connecting square plate (8) is fixedly connected with a curved connecting plate (5), two sides of the curved connecting plate (5) are respectively and uniformly and fixedly connected with screws (11), the curved connecting plate (5) is fixedly connected with the connecting long plate (9) through the screws (11), the end face of the curved connecting plate (5) is provided with a circular clamping groove (7) matched with a first connecting shaft (1), the first connecting shaft (1) is clamped with the curved connecting plate (5) through the circular clamping groove (7), the outside first connecting axle (1) periphery cup joints with first fixed connection ball (15), be provided with first supporting axle (14) on first fixed connection ball (15), the even fixedly connected with dead lever (12) in below of connecting long slab (9), sliding connection has first bent shape fixed connection axle (2) on first connecting axle (1), first bent shape fixed connection axle (2) middle part threaded connection has fixture block (26), first bent shape fixed connection axle (2) lower part is provided with tight piece of clamp, first bent shape fixed connection axle (2) lower part and second connecting axle (3) sliding connection, fixed axle (6) is connected to the both sides fixedly connected with second of first connecting axle (1), first connecting fixed axle (4) of both sides fixedly connected with of second connecting axle (3), first connecting fixed axle (4) are connected with rotation pearl (27) through the connecting rod and are rotated, the one end fixed connection who rotates pearl (27) and dwang (28), dwang (28) other end and fourth connecting axle (24) fixed connection, the even fixedly connected with second of the outside of fourth connecting axle (24) is fixed bent shape connecting axle (22), the top the inside fixedly connected with third connecting axle (23) of the fixed bent shape connecting axle of second (22), the inside of the fixed bent shape connecting axle of second (22) is seted up with third connecting axle (23) assorted circular slot, the outside of third connecting axle (23) is provided with stop gear (25), stop gear (25) and first connecting axle (1) swing joint, stop gear (25) are including connecting cylinder (18), the outside fixedly connected with fixed cylinder (19) of connecting cylinder (18), the inside fixedly connected with connecting rod (21) of fixed cylinder (19), two sides of the connecting rod (21) are fixedly connected with nuts (20);
the first fixed connecting ball (15) is provided with a slot, the slot is inserted into the first supporting shaft (14), the bottom of the slot is provided with a cushion block, and the cushion block is made of elastic materials;
the first fixed connecting balls (15) are distributed above the first connecting shaft (1) on the outermost side in a rectangular shape, a second supporting shaft (17) is inserted above the first fixed connecting balls (15) on the vertex of the rectangular shape, the second supporting shaft (17) is fixedly connected with a second fixed connecting ball (16), the second fixed connecting ball (16) is fixedly connected with a connecting long shaft (13), and the connecting long shaft (13) is connected end to end around the second fixed connecting ball (16) to form a rectangle;
when the clamping block (26) is rotated to enable the clamping block to extend towards the circle center, the second connecting shaft (3) and the first curved fixed connecting shaft (2) are fixedly connected, when the clamping block (26) is rotated reversely, the clamping block contracts, the second connecting shaft (3) and the first curved fixed connecting shaft (2) form sliding connection, when the clamping block (26) is in an initial state, the clamping block is in a contraction state, the second connecting shaft (3) and the first curved fixed connecting shaft (2) are in sliding connection, after concrete pouring is completed, the volume of concrete is inwards contracted when the concrete is solidified, at the moment, the second connecting shaft on the first curved fixed connecting shaft longitudinally moves along with the contraction of the concrete, and therefore the second connecting shaft is kept in tight connection with the concrete from beginning to end;
after concrete is poured, the rotating reinforcing steel bar protection layer structure can move relatively along the shrinkage direction of the concrete, so that the original reinforcing steel bar protection layer structure and the rotating reinforcing steel bar protection layer structure are integrated all the time.
2. A structural reinforcing bar protecting layer member for building construction according to claim 1, wherein the inner side of the first curved fixing connecting shaft (2) is provided with a circular groove matched with the second connecting shaft (3).
3. A steel bar protection cover component for building construction according to claim 1, wherein said connecting cylinder (18) is provided on both sides of said fixing cylinder (19), said connecting cylinder (18) is slidably connected to the third connecting shaft (23) on one side, and said connecting cylinder (18) is slidably connected to the first connecting shaft (1) on the other side.
4. The structural reinforcement protective layer component for building construction as claimed in claim 1, wherein threaded columns are fixedly connected to both sides of the connecting rod (21), and thread grooves matched with the threaded columns are formed on the inner sides of the fixing columns (19).
5. A structural reinforcing bar protecting layer member for building construction according to claim 1, wherein the size of the inner hole of said rotating rod (28) is the same as the size of the inner hole of the first connecting and fixing shaft (4).
6. A steel bar protecting component for building construction according to claim 1, wherein the clamping block (26) is rotated to extend towards the center of the circle, so that the second connecting shaft (3) is fixedly connected with the first curved fixed connecting shaft (2), and when the clamping block (26) is rotated reversely, the clamping block is contracted, so that the second connecting shaft (3) is slidably connected with the first curved fixed connecting shaft (2).
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| CN202110374627.3A CN112878589B (en) | 2021-04-08 | 2021-04-08 | Steel bar protection layer component for building construction |
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| CN202110374627.3A CN112878589B (en) | 2021-04-08 | 2021-04-08 | Steel bar protection layer component for building construction |
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| CN115217272B (en) * | 2022-05-31 | 2023-09-26 | 中国建筑材料科学研究总院有限公司 | Reinforcement for 3D printed concrete interlayer structure and construction method |
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| CN203412302U (en) * | 2013-07-29 | 2014-01-29 | 中建四局第六建筑工程有限公司 | Support steel frame with multi-row inclined reinforcing steel bar mesh |
| CN104314239A (en) * | 2014-10-17 | 2015-01-28 | 中铁八局集团建筑工程有限公司 | Device for controlling inclined-column reinforced skeleton and protecting layer and construction method |
| CN209195045U (en) * | 2018-11-15 | 2019-08-02 | 航天建筑设计研究院有限公司 | A kind of construction site steel construction fastener |
| CN210195047U (en) * | 2019-07-09 | 2020-03-27 | 广西建设职业技术学院 | Civil construction reinforcing bar clamping device |
| CN211172730U (en) * | 2019-11-12 | 2020-08-04 | 杨铮鋆 | Novel steel strand wires are connected device |
| CN212742226U (en) * | 2020-06-24 | 2021-03-19 | 中铁十七局集团上海轨道交通工程有限公司 | Steel bar positioning device |
| CN212671014U (en) * | 2020-06-27 | 2021-03-09 | 潘东洋 | Steel bar connector between precast concrete components for building construction |
| CN112049454B (en) * | 2020-09-08 | 2022-04-19 | 瑞森新建筑有限公司 | Concrete floor structure with foam concrete |
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