CN216276464U - Prefabricated assembled steel-concrete composite beam - Google Patents
Prefabricated assembled steel-concrete composite beam Download PDFInfo
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- CN216276464U CN216276464U CN202123021260.1U CN202123021260U CN216276464U CN 216276464 U CN216276464 U CN 216276464U CN 202123021260 U CN202123021260 U CN 202123021260U CN 216276464 U CN216276464 U CN 216276464U
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Abstract
The utility model discloses a prefabricated assembled steel-concrete composite beam which comprises a prefabricated concrete structure, a steel structure, a connecting box and a threaded rod. This prefabricated assembled steel-concrete composite beam, during the use, place precast concrete structure on the steel construction, make first perforation position correspond with second perforation position simultaneously, the movable box prolongs the slip direction downstream of spout and guide rail under the effect of gravity this moment, thereby make the threaded rod run through the second and perforate and first perforation and be close to with first nut, then drive the connecting axle through electrical equipment and rotate, the connecting axle drives second gear revolve, the second gear drives first gear revolve, first gear drives spacing dish through the pivot and rotates, spacing dish drives the threaded rod and rotates, thereby make the threaded rod be twisted in the first nut, the movable box descends gradually this moment, final movable box descends the bottom of connecting box, make the connecting box by the centre gripping, thereby accomplish precast concrete structure's connection.
Description
Technical Field
The utility model relates to the field of buildings, in particular to a prefabricated assembly type steel-concrete composite beam.
Background
The steel-concrete composite beam is a novel structural type developed on the basis of steel structures and concrete structures. The combined structure bridge mainly uses concrete as a bridge deck and a steel beam, and mainly comprises a shear connector arranged between the steel beam and a concrete flange plate, and compared with a reinforced concrete beam, the steel-concrete combined beam can reduce the dead weight of the structure, reduce the earthquake action, reduce the section size, increase the effective use space, save the formwork supporting process and the formwork, shorten the construction period, increase the ductility of the beam and the like. Compared with steel beams, the steel consumption can be reduced, the rigidity is increased, the stability and the integrity are improved, the fire resistance and the durability of the structure are enhanced, and the like. In recent years, the steel-concrete composite beam has been more and more widely applied to urban overpasses and building structures in China.
When current steel reinforced concrete combination carries out steel construction and concrete prefabricated member and connects, adopt many bolted connection usually, however, when carrying out bolt locking, operating personnel need lock a plurality of bolts in proper order, influence work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a prefabricated steel-concrete composite beam to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a prefabricated steel-concrete composite beam comprises a prefabricated concrete structure and two steel structures, wherein connecting boxes are uniformly embedded on the prefabricated concrete structure, the two steel structures are arranged in parallel, the steel structures are arranged below the prefabricated concrete structure, four first through holes are symmetrically formed in the positions, corresponding to the connecting boxes, of the steel structures, first nuts are fixedly connected to the positions, corresponding to the through holes, of the inner sides of the tops of the steel structures, movable boxes are arranged on the inner sides of the connecting boxes, sliding grooves are symmetrically formed in four sides of each movable box, guide rails matched with the sliding grooves are fixedly connected to the positions, corresponding to the sliding grooves, of the inner walls of the connecting boxes, four limiting discs are symmetrically arranged on the inner sides of the movable boxes, the inner walls of the movable boxes and the outer walls of the limiting discs are both in a polishing arrangement, threaded rods are fixedly connected to the bottoms of the limiting discs, the bottoms of the threaded rods penetrate through the connecting boxes and the movable boxes and are in threaded connection with the first nuts, and first gears are fixedly connected to the top surfaces of the limiting discs through connecting shafts, the top surface middle part of activity case rotates and is connected with the second gear, and the second gear is connected with first gear drive, and the top surface center department fixedly connected with connecting axle of second gear, the connecting axle is used for being connected with external electric tool.
As a further scheme of the utility model: the threaded rod corresponds with first perforation, all offers the second perforation that is used for the threaded rod to run through on connecting box and the movable box and perforates, and first gear is established in the top of movable box, and the pivot runs through the movable box, offers the third perforation that is used for the pivot to run through on the movable box.
As a still further scheme of the utility model: the steel construction is the I-shaped, and the both sides equidistance symmetry fixedly connected with pterygoid lamina of steel construction, equidistant fixed orifices has been seted up on the pterygoid lamina of steel construction tip fixed connection, and the fixed orifices is used for cooperating the pterygoid lamina that both ends set up to connect adjacent steel construction.
As a still further scheme of the utility model: the steel construction equidistance is seted up the fourth perforation that the symmetry set up, and the fenestrate outside of fourth is equipped with the fixed plate, and the fifth perforation has been seted up in the four corners of fixed plate, and the fifth perforation corresponds and the adaptation with the fourth perforation, and the fourth perforation is equipped with first fixing bolt jointly with the fenestrate inboard of fifth, and one side fixedly connected with of fixed plate extends the piece, is equipped with the connecting plate jointly between two relative extensions.
As a still further scheme of the utility model: two groups of kidney-shaped grooves are symmetrically formed in the connecting plate at equal intervals, four kidney-shaped grooves are formed in each group, a sixth through hole is formed in the position, corresponding to the kidney-shaped grooves, of the end portion of the extending piece, and second fixing bolts are jointly arranged in the corresponding sixth through holes and the kidney-shaped grooves.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the matched use of the prefabricated concrete structure, the steel structure, the connecting box, the first nut, the movable box, the sliding chute, the guide rail, the limiting disc, the threaded rod, the first gear, the second gear and the connecting shaft, the plurality of threaded rods can be driven by the electric tool to rotate at the same time, so that the prefabricated concrete structure and the steel structure are fixed through the matching of the first nut and the threaded rod, and the fixation is more convenient and rapid.
2. The wing plates are used, so that the structural strength of the steel structure is enhanced, and the fixing plates, the extending pieces and the connecting plate bracket are matched for use, so that the opposite steel structures can be connected, the structural strength is enhanced, and the steel structure is more stable.
3. According to the utility model, the wing plates and the fixing holes are matched for use, so that adjacent steel structures can be conveniently connected and fixed, and the fixing plates, the first fixing bolts, the extending pieces, the connecting plates and the second fixing bolts are matched for use, so that the connecting assembly is adjustable in length and can be better suitable for connecting and mounting the steel structures.
Drawings
Fig. 1 is a schematic structural view of a prefabricated assembly type steel-concrete composite beam.
Fig. 2 is an internal view of a movable box in a prefabricated assembly type steel-concrete composite beam.
Fig. 3 is a sectional view of a prefabricated assembly type steel-concrete composite girder at a limiting disc.
Fig. 4 is a sectional view at a connection plate in a prefabricated assembly type steel-concrete composite girder.
Fig. 5 is a side view of a steel structure in a prefabricated assembly type steel-concrete composite girder.
Fig. 6 is a plan view of a precast concrete structure in a precast assembled steel-concrete composite girder.
In the figure: the device comprises a prefabricated concrete structure 1, a steel structure 2, a connecting box 3, a first nut 4, a movable box 5, a sliding chute 6, a guide rail 7, a limiting disc 8, a threaded rod 9, a first gear 10, a second gear 11, a connecting shaft 12, a wing plate 13, a fixing hole 14, a fixing plate 15, a first fixing bolt 16, an extending piece 17, a connecting plate 18 and a second fixing bolt 19.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a prefabricated assembly type steel-concrete composite beam includes a prefabricated concrete structure 1 and two steel structures 2, a connecting box 3 is uniformly embedded on the prefabricated concrete structure, two steel structures 2 are arranged in parallel, the steel structure 2 is arranged below the prefabricated concrete structure 1, four first through holes are symmetrically formed at a position where the steel structure 2 corresponds to the connecting box 3, a first nut 4 is fixedly connected to a position corresponding to the through hole at the inner side of the top of the steel structure 2, a movable box 5 is arranged at the inner side of the connecting box 3, sliding grooves 6 are symmetrically formed at four sides of the movable box 5, a guide rail 7 adapted to the sliding grooves 6 is fixedly connected to a position where the inner wall of the connecting box 3 corresponds to the sliding grooves 6, four limiting discs 8 are symmetrically arranged at the inner side of the movable box 5, the inner wall of the movable box 5 and the outer walls of the limiting discs 8 are both polished, threaded rods 9 are fixedly connected to the bottom ends of the limiting discs 8, the bottom of threaded rod 9 passes connecting box 3 and movable box 5 and with 4 threaded connection of first nut, and connecting axle fixedly connected with first gear 10 is passed through to spacing dish 8's top surface, and the top surface middle part of movable box 5 rotates and is connected with second gear 11, and second gear 11 is connected with first gear 10 transmission, and the fixedly connected with connecting axle 12 is located at the top surface center of second gear 11, and connecting axle 12 is used for being connected with external electric tool.
Threaded rod 9 corresponds with first perforation, all offers the second perforation that is used for threaded rod 9 to run through on connecting box 3 and the movable box 5, and first gear 10 is established in the top of movable box 5, and the pivot runs through movable box 5, offers the third perforation that is used for the pivot to run through on the movable box 5.
The fourth perforation that the symmetry set up is seted up to equidistance on the steel construction 2, and the fenestrate outside of fourth is equipped with fixed plate 15, and the fifth perforation has been seted up in the four corners of fixed plate 15, and the fifth perforation corresponds and the adaptation with the fourth perforation, and the fourth perforation is equipped with first fixing bolt 16 jointly with the fenestrate inboard of fifth, and one side fixedly connected with of fixed plate 15 extends a 17, is equipped with connecting plate 18 jointly between two relative extensions 17.
Two groups of kidney-shaped grooves are symmetrically arranged on the connecting plate 18 at equal distance, four kidney-shaped grooves are arranged in each group, a sixth through hole is arranged at the position, corresponding to the kidney-shaped grooves, of the end part of the extending piece 17, and a second fixing bolt 19 is jointly arranged in the corresponding sixth through hole and the kidney-shaped grooves.
The fixing plate 15, the extension 17 and the connecting plate 18 together constitute a connecting assembly which is made to be fine-adjustable in length by cooperation between the sixth through-hole, the kidney groove and the second fixing bolt 19.
The working principle of the utility model is as follows:
when the prefabricated concrete structure is used, the prefabricated concrete structure 1 is placed on the steel structure 2, the first perforation position corresponds to the second perforation position, the movable box 5 moves downwards along the sliding direction of the sliding groove 6 and the guide rail 7 under the action of gravity, the threaded rod 9 penetrates through the second perforation and the first perforation to be close to the first nut 4, then the connecting shaft 12 is driven to rotate by electric equipment, the connecting shaft 12 drives the second gear 11 to rotate, the second gear 11 drives the first gear to rotate, the first gear drives the limiting disc 8 to rotate through the rotating shaft, the limiting disc 8 drives the threaded rod 9 to rotate, so that the threaded rod 9 is screwed into the first nut 4, the movable box 5 gradually descends, finally the movable box descends to the bottom of the connecting box 3, the connecting box 3 is clamped, the prefabricated concrete structure 1 is connected, and then concrete is poured into the connecting box for filling, accomplish the installation work, when installing steel construction 2, the tip pterygoid lamina 13 of adjacent steel construction 2 aligns this moment, then adopt the bolt to pass through fixed orifices 14 with pterygoid lamina 13 interconnect fixed, accomplish steel construction 2's connection, simultaneously can pass through fixed plate 15 with extension 17, adopt first fixing bolt 16 cooperation fourth perforation and fifth perforation, make extension 17 be connected with steel construction 2, then take connecting plate 18 and place between the tip of extension 17, it cooperates kidney slot and sixth perforation through second fixing bolt 19, make connecting plate 18 fix with two relative extension 17 simultaneously, thereby form coupling assembling and connect relative steel construction 2.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a prefabricated assembled steel-concrete composite beam, includes precast concrete structure (1) and steel construction (2), its characterized in that: the prefabricated concrete structure is uniformly embedded with a connecting box (3), four first through holes are symmetrically formed in the corresponding positions of the steel structure (2) and the connecting box (3), a first nut (4) is fixedly connected to the corresponding position of the through hole on the inner side of the top of the steel structure (2), a movable box (5) is arranged on the inner side of the connecting box (3), sliding grooves (6) are symmetrically formed in four sides of the movable box (5), a guide rail (7) matched with the sliding grooves (6) of the connecting box (3) is fixedly connected to the corresponding position of the sliding grooves (6) on the inner wall of the connecting box (3), four limiting discs (8) are symmetrically arranged on the inner side of the movable box (5), threaded rods (9) are fixedly connected to the bottom ends of the limiting discs (8), the bottom ends of the threaded rods (9) penetrate through the connecting box (3) and the movable box (5) and are in threaded connection with first nuts (4), first gears (10) are fixedly connected to the top surfaces of the limiting discs (8), the middle part of the top surface of the movable box (5) is rotatably connected with a second gear (11), the second gear (11) is in transmission connection with the first gear (10), and the center of the top surface of the second gear (11) is fixedly connected with a connecting shaft (12).
2. The prefabricated assembled steel-concrete composite beam as claimed in claim 1, wherein: threaded rod (9) correspond with first perforation, all offer the second perforation that is used for threaded rod (9) to run through on connecting box (3) and movable box (5), establish in the top of movable box (5) first gear (10), and the pivot runs through movable box (5), offers the third perforation that is used for the pivot to run through on movable box (5).
3. The prefabricated assembled steel-concrete composite beam as claimed in claim 1, wherein: the steel structure (2) is I-shaped, wing plates (13) are symmetrically and fixedly connected to the two sides of the steel structure (2) at equal intervals, and fixing holes (14) are formed in the wing plates (13) fixedly connected to the end portions of the steel structure (2) at equal intervals.
4. The prefabricated assembled steel-concrete composite beam as claimed in claim 1, wherein: the steel construction (2) equidistance is seted up the fourth perforation that the symmetry set up, and the fenestrate outside of fourth is equipped with fixed plate (15), and the fifth perforation has been seted up in the four corners of fixed plate (15), and the fifth perforation corresponds and the adaptation with the fourth perforation, and the fourth perforation is equipped with first fixing bolt (16) jointly with the fenestrate inboard of fifth, and one side fixedly connected with extension (17) of fixed plate (15), is equipped with connecting plate (18) jointly between two relative extension (17).
5. The prefabricated assembled steel-concrete composite beam as claimed in claim 4, wherein: two groups of kidney-shaped grooves are symmetrically formed in the connecting plate (18) at equal intervals, four kidney-shaped grooves are formed in each group, a sixth through hole is formed in the position, corresponding to the kidney-shaped grooves, of the end portion of the extending piece (17), and second fixing bolts (19) are jointly arranged in the corresponding sixth through holes and the kidney-shaped grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123021260.1U CN216276464U (en) | 2021-12-03 | 2021-12-03 | Prefabricated assembled steel-concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123021260.1U CN216276464U (en) | 2021-12-03 | 2021-12-03 | Prefabricated assembled steel-concrete composite beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216276464U true CN216276464U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123021260.1U Active CN216276464U (en) | 2021-12-03 | 2021-12-03 | Prefabricated assembled steel-concrete composite beam |
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| Country | Link |
|---|---|
| CN (1) | CN216276464U (en) |
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2021
- 2021-12-03 CN CN202123021260.1U patent/CN216276464U/en active Active
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