CN116005798A

CN116005798A - Assembled support-free frame structure

Info

Publication number: CN116005798A
Application number: CN202310085670.7A
Authority: CN
Inventors: 邢水健; 陈键; 何恩君; 胡启仁; 黄志强
Original assignee: Shanghai Sino Stone Yunsheng Residential Industrial Development Co ltd
Current assignee: Shanghai Sino Stone Yunsheng Residential Industrial Development Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-04-25

Abstract

The utility model relates to an assembled support-free frame structure, which comprises a precast beam, a support slat and at least two precast columns, wherein the upper part of each precast column is pre-embedded with a sleeve, the upper end of the sleeve is obliquely arranged along the axial direction away from the precast column, an inclined strut is inserted in the sleeve, and the upper end of the inclined strut is hinged with a hinge seat; the bracing lath level sets up and is used for supporting the bottom surface of precast beam, the articulated seat butt of the bracing of precast column of both ends confession one side respectively of bracing lath to articulated seat and the bottom surface of bracing lath are connected along precast beam length direction slip. This application is through setting up the sleeve and the combination of bracing of pre-buried setting to form steadiness strong point, in order to support the lath, thereby support the precast beam, need not to set up braced system temporarily, greatly shortened construction cycle, improved the efficiency of construction.

Description

Assembled support-free frame structure

Technical Field

The application relates to the field of building prefabricated part assembly structures, in particular to an assembly type support-free frame structure.

Background

The assembled building construction refers to a mode that building components and accessories such as floors, wallboards, stairs, beam columns and the like are manufactured in factories, transported to building construction sites and assembled and installed on site in a reliable connection mode, so that the assembled building construction has the advantages of rapid construction and reduction of construction waste.

At present, an assembled concrete frame structure mainly comprises prefabricated columns, prefabricated beams, connecting members among the prefabricated columns and the prefabricated beams, and the like, wherein the connection between the columns and the beams and the connection between the beams are connected at node joints through reserved reinforcing steel bars and then cast-in-place concrete; in the actual construction process, a temporary support system needs to be built below the precast beam, and a temporary scaffold is usually adopted as the support system.

However, setting up the temporary support system requires the time of setting up and the subsequent dismantling time, thereby affecting the construction efficiency.

Disclosure of Invention

In order to improve the efficiency of construction, this application provides a support frame structure is exempted from to assembled.

The application provides an assembled support-free frame structure adopts following technical scheme:

the assembled support-free frame structure comprises a precast beam, a support slat and at least two precast columns, wherein a sleeve is pre-buried at the upper part of each precast column, the upper end of the sleeve is obliquely arranged along the direction away from the axis of each precast column, an inclined strut is inserted into the sleeve, and the upper end of each inclined strut is hinged with a hinge seat; the bracing lath level sets up and is used for supporting the bottom surface of precast beam, the articulated seat butt of the bracing of precast column of both ends confession one side respectively of bracing lath to articulated seat and the bottom surface of bracing lath are connected along precast beam length direction slip.

Through adopting above-mentioned technical scheme, at first, through setting up the sleeve and the combination of bracing of pre-buried setting to form steadiness strong point, in order to support the lath, thereby support the precast beam, need not to set up braced system temporarily, greatly shortened construction cycle, improved the efficiency of construction.

Secondly, when the down force of precast beam passes through articulated seat and transmits to the bracing, will force in the sleeve is inserted in the inseparabler slope of bracing, this down force can be comparatively direct transfer to the precast column to improve the supporting effect, and the setting of sliding of articulated seat can ensure to insert after shifting down when the bracing, and articulated seat can also support the support slat.

Optionally, the width direction both sides of prefabricated post all are equipped with the sleeve, and the lower extreme of two sleeves is linked together, and the lower extreme butt of bracing in two sleeves.

By adopting the technical scheme, when the diagonal bracing receives the downward pressure of the precast beam and moves in an inclined downward inserting way, the downward pressure of the precast beam is partially converted into a component force for forcing the diagonal bracing to move in an inclined downward inserting way, and as the lower ends of the two diagonal bracing are in butt joint, the component force received by the two diagonal bracing is counteracted, the component force of the downward pressure of the two precast beams is counteracted, so that the precast beam downward pressure received by the precast column is greatly reduced, and the supporting capacity of the diagonal bracing is improved in a phase-changing way.

Optionally, a first steel strand is fixedly connected between the upper parts of the adjacent diagonal braces of the two prefabricated columns, a plurality of sliding blocks are arranged on the first steel strand in a penetrating manner at intervals along the length direction of the first steel strand, and a supporting rod is connected between the sliding blocks and the bottom surface of the supporting strip plate; the length of each supporting rod is gradually shortened from the middle part of the first steel strand to the directions of the two ends.

Through adopting above-mentioned technical scheme, when the precast beam is placed on supporting the slat, supporting the slat bearing and moving down a short distance to force the bracing to insert in the sleeve deeply more, during the period, the bracing of both sides is moved apart from each other, with the first steel strand wires of homeotropically tightening, the tightening force of first steel strand wires passes through the slider and transmits to the bracing piece on, exerts upward effort to the bracing piece, in order to support the middle part of supporting the slat, is applicable to the operating mode of large-span roof beam more, and improves supporting stability.

Optionally, the number of the support rods on the sliding block is two, the lower ends of the two support rods are hinged with the sliding block, the upper ends of the support rods are hinged with the bottom surface of the support slat, the support rods are obliquely arranged, and the upper ends of the two support rods are symmetrically arranged by taking the central axis of the support slat as the center.

By adopting the technical scheme, the two support rods form a triangular support structure so as to improve the support stability.

Optionally, the first steel strand wires are set up to two and are located respectively the both sides of the width direction of slider, the side of slider is equipped with the confession first poling that first steel strand wires passed.

Through adopting above-mentioned technical scheme, the setting of two first steel strands can more effectively and steadily transmit the tensioning force of first steel strand to slider and bracing piece.

Optionally, the lower extreme of bracing is fixed with the fixed plate, and the fixed plate is vertical to be set up, is connected with the split bolt that the level set up between the fixed plate of two bracing of precast column, the taper hole has been seted up on the surface of fixed plate, the edge butt of split bolt's spiral shell head in the pore wall in the taper hole of one of them fixed plate, the taper hole welded fastening of another fixed plate has the nut, split bolt and nut matched with.

By adopting the technical scheme, the tightening split bolt is utilized to force the fixing plates on two sides to be close to each other, so that the diagonal bracing on two sides is forced to be inserted into the sleeve more deeply, the first steel strand is further tightened, the supporting acting force of the supporting rod is improved, and the supporting effect of the whole structure is improved.

Then through the line butt between the pore wall of circular conical bore and the spiral shell head of split bolt to reduce frictional force, thereby be convenient for the rotation of split bolt, secondly, this line butt plays centering effect, can improve the axiality of split bolt, thereby improves the effect between the fastening force transmission to the fixed plate of split bolt.

Optionally, the steel strand fixing device further comprises a second steel strand, wherein the diagonal bracing is provided with a perforation, one end of the second steel strand is fixedly connected with the fixing plate, and the other end of the second steel strand sequentially penetrates through the perforation of the adjacent diagonal bracing, winds two first steel strands along the direction of the first steel strand, penetrates through the perforation of the other diagonal bracing and is fixed on the other fixing plate.

Through adopting above-mentioned technical scheme, when the bracing piece board is pushed down and is moved and drive the bracing and further insert in the sleeve, with tight second steel strand wires, make its winding to first steel strand wires inseparabler to force two first steel strand wires to be close to each other and tighten, thereby greatly improved the rigidity of first steel strand wires, thereby improved the supporting effect of first steel strand wires to bracing piece and slider.

Optionally, the perforation is higher than the slider, the bottom of slider is fixed with the second poling, first steel strand wires pass the second poling.

Through adopting above-mentioned technical scheme for the second steel strand wires are the arc state, and when the second steel strand wires were tightened, its tightening force would pass through second poling, slider in proper order and transmit to the bracing piece on, thereby provide upward effort to supporting the slat, with the supporting effect of further improvement overall structure.

Optionally, the diagonal brace is i-steel.

Through adopting above-mentioned technical scheme, can greatly improve the structural strength of bracing to the surface of I-steel is comparatively level and smooth, and it is relatively easy to slide with telescopic inner wall and pegging graft the cooperation.

Optionally, the bracing divide into along self length direction and is located fixed part in the sleeve and the supporting part that is located the sleeve outside, fixed part with flange fixed connection between the supporting part, first steel strand wires fixed connection in on the supporting part, articulated seat locates on the supporting part.

Through adopting above-mentioned technical scheme, when need dismantle bearing structure after the construction finishes, can relieve flange joint to take off supporting part, first steel strand wires, bracing piece, support slat together, then take out the fixed part from the sleeve again, can accomplish whole bearing structure's quick dismantlement, convenient and fast.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the combination of the sleeve and the diagonal brace which are arranged in advance is arranged to form a stability supporting point so as to support the supporting lath, so that the precast beam is supported, a supporting system is not required to be temporarily erected, the construction period is greatly shortened, and the construction efficiency is improved;

2. the lower ends of the two inclined struts are abutted, so that component forces borne by the two inclined struts are offset, the downward pressure of the precast beam borne by the precast column is greatly reduced, and the phase change is realized, so that the supporting capacity of the inclined struts is improved;

3. through the cooperation of bracing and first steel strand wires, utilize the down force of precast beam, turn into the tightening force of first steel strand wires in proper order and exert upward effort to the bracing piece to support the middle part of lath, be applicable to the operating mode of large-span roof beam more, and improve the supporting stability.

Drawings

Fig. 1 is a schematic overall structure of embodiment 1.

Fig. 2 is a partial enlarged view at a in fig. 1.

Fig. 3 is a schematic overall structure of embodiment 2.

Fig. 4 is a partial enlarged view at B in fig. 3.

Fig. 5 is a schematic view showing a form of the support rod according to embodiment 2.

Fig. 6 is a schematic partial structure of embodiment 3.

Fig. 7 is a schematic overall structure of embodiment 4.

Fig. 8 is a partial enlarged view at C in fig. 7.

Fig. 9 is a partial enlarged view at D in fig. 7.

Fig. 10 is a schematic diagram of a winding manner for embodying the second steel strand and the first steel strand according to example 4.

Reference numerals illustrate: 1. a sleeve; 2. diagonal bracing; 3. a support slat; 4. a first steel strand; 5. a second steel strand; 6. a split bolt; 7. a nut; 10. prefabricating a column; 20. prefabricating a beam; 21. a hinge base; 22. a fixing part; 23. a support part; 24. ear plates; 25. a fixing plate; 251. conical holes; 26. a through hole; 27. perforating; 31. a chute; 41. a slide block; 411. a first tube; 412. a second tube; 42. and (5) supporting the rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-10.

Embodiment 1 of the application discloses an assembled support-free frame structure.

Referring to fig. 1 and 2, the fabricated support-free frame structure comprises a precast beam 20, a support lath 3 and at least two precast columns 10, wherein two sleeves 1 are pre-buried on the upper portion of the precast column 10, the sleeves 1 are symmetrically arranged by taking the central axis of the precast column 10 as the center, the cross section of each sleeve 1 is square, the upper ends of the sleeves 1 are obliquely arranged along the direction away from the axial direction of the precast column 10, and the lower ends of the two sleeves 1 are communicated.

The sleeve 1 is internally provided with the diagonal bracing 2, in this embodiment, the diagonal bracing 2 is i-steel, the diagonal bracing 2 is inserted into the sleeve 1 along the axial direction of the sleeve 1, the upper end of the diagonal bracing 2 is positioned outside the sleeve 1, and the upper end of the diagonal bracing 2 is hinged with the hinge seat 21, the two ends of the supporting lath 3 are respectively provided with the hinge seat 21 butt of the diagonal bracing 2 of the prefabricated column 10 on one side, specifically, the bottom surface of the supporting lath 3 is provided with a T-shaped chute 31 along the length direction of the bottom surface of the supporting lath, and the hinge seat 21 is in sliding connection with the T-shaped chute 31.

During construction, firstly, the prefabricated column 10 is fixedly installed, then the diagonal bracing 2 is inserted into the sleeve 1, and the supporting lath 3 is placed, so that the T-shaped sliding groove 31 on the supporting lath 3 is matched with the hinging seat 21 on the diagonal bracing 2, the supporting lath 3 is horizontally arranged, then the prefabricated beam 20 is hoisted and placed on the supporting lath 3, the supporting lath 3 and the diagonal bracing 2 support the prefabricated beam 20 together, a temporary erection supporting system is not needed, the construction period is greatly shortened, and the construction efficiency is improved.

When the support lath 3 is pressed, the downward pressure of the precast beam 20 is transferred to the diagonal brace 2 through the hinge seat 21, the diagonal brace 2 is forced to be inserted into the sleeve 1 in a more compact and inclined mode until the diagonal brace 2 is inserted into the sleeve 1 and the lower ends of the two diagonal braces 2 are abutted, at the moment, component forces born by the two diagonal braces 2 are offset, and component forces of the downward pressure of the two precast beams 20 are offset, so that the downward pressure of the precast beam 20 born by the precast column 10 is greatly reduced, and the supporting capacity of the diagonal brace 2 is improved in a phase-changing mode.

Example 2

Embodiment 2 is different from embodiment 1 in that, as shown in fig. 3, a gap exists between the lower ends of two diagonal braces 2 on a prefabricated pillar 10. A first steel strand 4 is arranged between two opposite diagonal braces 2 of two adjacent prefabricated columns 10, specifically, the first steel strand 4 extends along the length direction of the support lath 3, two ends of the first steel strand 4 are respectively connected with the upper parts of the adjacent diagonal braces 2, a lifting ring can be fixed on the upper parts of the diagonal braces 2, and the end parts of the first steel strand 4 are fixedly connected with the lifting ring in a binding mode.

As shown in fig. 4 and 5, two first steel strands 4 are provided, and the two first steel strands 4 are respectively located at two sides of the width direction of the slider 41, and a plurality of sliders 41 are arranged on the first steel strands 4 at intervals along the length direction of the first steel strands 4, specifically, first through pipes 411 are fixed at two sides of the sliders 41, and the first steel strands 4 pass through the first through pipes 411.

The slide block 41 is provided with two support rods 42, the lower ends of the two support rods 42 are hinged with the slide block 41, the upper ends of the support rods 42 are hinged with the bottom surface of the support lath 3, the support rods 42 are obliquely arranged, the upper ends of the two support rods 42 are symmetrically arranged with the central axis of the support lath 3 as the center, and the two support rods 42 are arranged in a V shape.

Meanwhile, the lengths of the supporting rods 42 on the different sliding blocks 41 are different, specifically, the lengths of the supporting rods 42 are gradually shortened in the direction from the middle part to the two ends of the first steel strand 4, so that the middle part of the first steel strand 4 is in a downward curved shape.

The implementation principle of the embodiment 2 is as follows: when the precast beam 20 is placed on the supporting lath 3, the supporting lath 3 is moved downwards by a small distance, so that the diagonal bracing 2 is forced to be inserted into the sleeve 1 more deeply, at this time, the diagonal bracing 2 on two opposite sides are moved away from each other to tightly tighten the first steel strand 4 in a proper direction, the tightening force of the first steel strand 4 is transferred to the supporting rod 42 through the sliding block 41, and an upward acting force is applied to the supporting rod 42 to support the middle part of the supporting lath 3, and the supporting effect on the precast beam 20 is greatly improved by combining the supporting of the diagonal bracing 2 and the hinging seat 21.

Example 3

Embodiment 3 is different from embodiment 2 in that, as shown in fig. 6, the diagonal brace 2 is divided into a fixing portion 22 located inside the sleeve 1 and a supporting portion 23 located outside the sleeve 1 in the length direction thereof, wherein the supporting portion 23 is used for fixing the end portion of the first steel strand 4 and for connecting the hinge base 21.

The adjacent ends of the supporting part 23 and the fixing part 22 are respectively provided with an ear plate 24, and the two ear plates 24 are attached to each other and are fixed through bolts, namely, flange connection, so that the fixed connection between the supporting part 23 and the fixing part 22 is realized.

In this way, after the construction is completed, the flange connection between the supporting portion 23 and the fixing portion 22 can be released, so that the supporting portion 23, the first stranded wire 4, the supporting rod 42 and the supporting strip plate 3 can be taken down together, and then the fixing portion 22 can be taken out from the sleeve 1, so that the quick disassembly can be completed.

Example 4

Embodiment 4 is different from embodiment 2 in that, as shown in fig. 7 and 8, a fixing plate 25 is fixed to the lower end of the diagonal brace 2, and the fixing plate 25 is vertically arranged.

As shown in fig. 8 and 9, the plate of the diagonal brace 2 attached to the sleeve 1 is provided with a through hole 27, the through hole 27 is higher than the slider 41, and a second through pipe 412 is fixed to the bottom of the slider 41.

The diagonal bracing 2 is provided with a second steel strand 5, specifically, one end of the second steel strand 5 is fixedly connected with the fixing plate 25, the fixed connection mode can be that the end part of the second steel strand 5 passes through a hole formed in the fixing plate 25, then the end part of the second steel strand 5 is fixedly provided with a rope clamp, and the size of the rope clamp is larger than the size of the hole on the fixing plate 25, so that the second steel strand 5 cannot break loose from the fixing plate 25. The other end of the second steel strand 5 sequentially passes through the through holes 27 of the adjacent diagonal braces 2, winds two first steel strands 4 along the direction of the first steel strand 4 (the winding mode is shown in fig. 10), passes through the through holes 27 of the other diagonal brace 2, and is fixed on the other fixing plate 25. And, the second wire harness 5 also passes through the second penetration pipe 412.

In this way, when the supporting lath 3 is moved down to drive the diagonal brace 2 to be further inserted into the sleeve 1, not only the first steel strand 4 but also the second steel strand 5 is tightened, at this time, the second steel strand 5 is wound more tightly on the first steel strand 4 to force the two first steel strands 4 to approach each other and tighten, so that the rigidity of the first steel strand 4 is greatly improved, and the supporting effect of the first steel strand 4 on the supporting rod 42 and the sliding block 41 is improved.

In order to increase the tightening degree of the first and

second strands

4 and 5, as shown in fig. 7 and 8, a through hole 26 is formed in a plate of the diagonal brace 2 bonded to the sleeve 1, and the through hole 26 is used for a tool such as a screwdriver to extend into the sleeve 1.

The surface of the fixing plate 25 is provided with conical holes 251, and a split bolt 6 is connected between the fixing plates 25 of the two inclined struts 2 of the prefabricated column 10 in a specific connection mode that the split bolt 6 simultaneously passes through the two conical holes 251, the edge of the screw head of the split bolt 6 is abutted against the hole wall of the conical hole 251 of one fixing plate 25, the conical hole 251 of the other fixing plate 25 is fixedly welded with a nut 7, and the split bolt 6 is matched with the nut 7.

After the precast beam 20 is placed on the support lath 3, the split bolts 6 are screwed by using tools such as a bolt cutter to force the fixing plates 25 on both sides to approach each other, so that the diagonal braces 2 on both sides are forced to be inserted deeper into the sleeve 1, and the first steel strand 4 and the second steel strand 5 are further tightened, thereby improving the supporting force of the supporting rod 42 and the supporting effect of the overall structure.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An assembled support-free frame structure, characterized in that: the prefabricated beam comprises a prefabricated beam (20), a supporting slat (3) and at least two prefabricated columns (10), wherein a sleeve (1) is pre-buried at the upper part of the prefabricated column (10), the upper end of the sleeve (1) is obliquely arranged along the direction away from the axis of the prefabricated column (10), an inclined strut (2) is inserted into the sleeve (1), and the upper end of the inclined strut (2) is hinged with a hinging seat (21); the support lath (3) is arranged horizontally and is used for supporting the bottom surface of the precast beam (20), the two ends of the support lath (3) are respectively connected with the hinging seat (21) of the diagonal bracing (2) of the precast column (10) at one side in a propping mode, and the hinging seat (21) is connected with the bottom surface of the support lath (3) in a sliding mode along the length direction of the precast beam (20).

2. The fabricated support-free frame structure of claim 1, wherein: the prefabricated column (10) is characterized in that the sleeves (1) are arranged on two sides of the prefabricated column in the width direction, the lower ends of the two sleeves (1) are communicated, and the lower ends of the diagonal braces (2) in the two sleeves (1) are abutted.

3. The fabricated support-free frame structure of claim 1, wherein: a first steel strand (4) is fixedly connected between the upper parts of the adjacent diagonal braces (2) of the two prefabricated columns (10), a plurality of sliding blocks (41) which are arranged at intervals along the length direction of the first steel strand (4) are arranged on the first steel strand (4) in a penetrating manner, and a supporting rod (42) is connected between the sliding blocks (41) and the bottom surface of the supporting strip plate (3); the length of each supporting rod (42) is gradually shortened from the middle part of the first steel strand (4) to the directions of the two ends.

4. A fabricated support-free frame structure as claimed in claim 3, wherein: the two support rods (42) on the sliding block (41) are arranged, the lower ends of the two support rods (42) are hinged with the sliding block (41), the upper ends of the support rods (42) are hinged with the bottom surface of the support slat (3), the support rods (42) are obliquely arranged, and the upper ends of the two support rods (42) are symmetrically arranged with the central axis of the support slat (3) as the center.

5. The fabricated support-free frame structure of claim 4, wherein: the number of the first steel strands (4) is two, the two first steel strands are respectively located at two sides of the sliding block (41) in the width direction, and a first penetrating pipe (411) for the first steel strands (4) to penetrate is arranged on the side face of the sliding block (41).

6. The fabricated support-free frame structure of claim 5, wherein: the lower extreme of bracing (2) is fixed with fixed plate (25), and fixed plate (25) vertical setting is connected with split bolt (6) that the level set up between fixed plate (25) of two bracing (2) of precast column (10), conical bore (251) have been seted up on the surface of fixed plate (25), the edge butt of split bolt (6) in the pore wall of conical bore (251) of one of them fixed plate (25), conical bore (251) welded fastening of another fixed plate (25) has nut (7), split bolt (6) and nut (7) cooperate.

7. The fabricated support-free frame structure of claim 6, wherein: still include second steel strand wires (5), be equipped with perforation (27) on bracing (2), the one end of second steel strand wires (5) with fixed plate (25) fixed connection, the other end of second steel strand wires (5) pass perforation (27) of adjacent bracing (2) in proper order, follow two first steel strand wires (4) of first steel strand wires (4) orientation winding, pass perforation (27) of another bracing (2), be fixed in on another fixed plate (25).

8. The fabricated support-free frame structure of claim 7, wherein: the perforation (27) is higher than the sliding block (41), a second penetrating pipe (412) is fixed at the bottom of the sliding block (41), and the first steel strand (4) penetrates through the second penetrating pipe (412).

9. The fabricated support-free frame structure of claim 1, wherein: the diagonal brace (2) is I-steel.

10. A fabricated support-free frame structure as claimed in claim 3, wherein: the diagonal bracing (2) is divided into a fixing part (22) located in the sleeve (1) and a supporting part (23) located outside the sleeve (1) along the length direction of the diagonal bracing, the fixing part (22) is fixedly connected with a flange between the supporting parts (23), the first steel strands (4) are fixedly connected to the supporting parts (23), and the hinge seat (21) is arranged on the supporting parts (23).