CN215563518U - Shear force wall prefabricated plate with connection structure - Google Patents
Shear force wall prefabricated plate with connection structure Download PDFInfo
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- CN215563518U CN215563518U CN202120523955.0U CN202120523955U CN215563518U CN 215563518 U CN215563518 U CN 215563518U CN 202120523955 U CN202120523955 U CN 202120523955U CN 215563518 U CN215563518 U CN 215563518U
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Abstract
The utility model relates to a shear wall precast slab with a connection structure, which comprises a first precast wall body, a second precast wall body, a connection assembly and a positioning assembly, wherein the connection assembly comprises an upper connection piece and a lower connection piece, one end of the upper connection piece and one end of the lower connection piece are respectively connected with the first precast wall body and the second precast wall body, the other ends of the upper connection piece and the lower connection piece are matched with each other to realize positioning in the vertical direction and are fixedly connected through a limiting bolt and a nut, the positioning assembly comprises an upper positioning piece and a lower positioning piece, one end of the upper positioning piece and one end of the lower positioning piece are respectively connected with the first precast wall body and the second precast wall body, the other ends of the upper positioning piece and the lower positioning piece are matched with each other to realize positioning in the horizontal direction, and compared with the prior art, the shear wall precast slab with the connection structure has the advantages of improving the connection construction efficiency, high reliability and the like.
Description
Technical Field
The utility model relates to the technical field of concrete precast slabs, in particular to a shear wall precast slab with a connecting structure.
Background
The fabricated concrete has the advantages of high construction speed, energy conservation, environmental protection and the like, and is developed rapidly in China in recent years, the cast-in-place structure currently adopted by China mainly comprises a frame structure, a shear wall structure and a frame shear wall structure, wherein the shear wall structure is one of the most applied structural forms of high-rise buildings in China, in the using process of the shear wall, the same wall body structure is formed by mutually connecting two or more prefabricated shear wall plates which are longitudinally arranged, and the connection between the prefabricated shear wall plates is the key of construction.
Chinese patent publication is CN 209457194U's patent, discloses steel rib board dislocation dock shear force wall vertical connection structure, including prefabricated wall I, prefabricated wall II sets up from top to bottom with prefabricated wall I, and the built-in fitting II of prefabricated wall II bottom passes through the steel rib board with the built-in fitting I at prefabricated wall I top: the transverse ribs and the longitudinal ribs are in staggered butt joint.
The above patents suffer from the following disadvantages: the transverse ribs and the longitudinal ribs are adopted for limiting connection, but the corresponding positioning guide mechanisms are lacked, so that matching parts are difficult to align when the two prefabricated walls are connected, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a shear wall precast slab with a connection structure, which improves the connection construction efficiency and has high reliability.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a shear force wall prefabricated plate with connection structure, includes first prefabricated wall body, the prefabricated wall body of second, coupling assembling and locating component, coupling assembling include connecting piece and lower connecting piece, last connecting piece and the one end of lower connecting piece respectively with the prefabricated wall body of first prefabricated wall body and second, the other end is to joining in marriage each other for realize the location of vertical direction and through spacing bolt and nut fixed connection, locating component include setting element and lower setting element, last setting element and the one end of setting element down respectively with the prefabricated wall body of first prefabricated wall body and second, the other end is to joining in marriage each other for realize the location of horizontal direction.
Further, the upper connecting piece comprises an upper connecting plate and a first rib plate, the lower connecting piece comprises a lower connecting plate and a second rib plate, the upper connecting plate and the lower connecting plate are respectively arranged on the first prefabricated wall body and the second prefabricated wall body and are opposite to each other, the first rib plate and the second rib plate are respectively arranged on the lower bottom surface of the upper connecting plate and the upper top surface of the lower connecting plate and are mutually staggered, the lower end part of the first rib plate is in contact with the upper top surface of the lower connecting plate, and the upper end part of the second rib plate is in contact with the lower bottom surface of the upper connecting plate.
Furthermore, waist-shaped holes are formed in the corresponding positions of the first rib plate and the second rib plate respectively, and the limiting bolt and the nut are arranged in the waist-shaped holes and used for fixedly connecting the first rib plate and the second rib plate.
Furthermore, the upper top surface of the lower connecting plate and the lower bottom surface of the upper connecting plate are respectively provided with a rectangular sawtooth groove, the lower end part of the first ribbed plate and the upper end part of the second ribbed plate are respectively provided with a rectangular sawtooth bulge, the rectangular sawtooth bulge at the lower end part of the first ribbed plate is mutually meshed and matched with the rectangular sawtooth groove at the upper top surface of the lower connecting plate, and the rectangular sawtooth bulge at the upper end part of the second ribbed plate is mutually meshed and matched with the rectangular sawtooth groove at the lower bottom surface of the upper connecting plate.
Further, go up the setting element including the location axle, lower setting element include guide sleeve, guide sleeve and location axle set up respectively on first prefabricated wall body and the prefabricated wall body of second through expansion bolts and ring flange, guide sleeve in set a constant head tank, constant head tank and location axle shape and size the same, the cover is located outside the location axle for realize the location of horizontal direction.
Furthermore, the guide sleeve is internally provided with a guide groove, the guide groove is communicated with the positioning groove and is arranged on one side of the guide sleeve, which faces the end part of the positioning shaft, and the guide sleeve is used for realizing positioning in two horizontal directions in the assembling process.
Still further preferably, the guide groove is a square guide groove, the depth of the guide groove is one third of the length of the guide sleeve, and the width of the guide groove is equal to the diameter of the positioning shaft.
Preferably, the number of the positioning assemblies is two, and the two positioning assemblies are respectively arranged on two sides of the connecting assembly.
Preferably, the number of the first ribs is at least three, and the number of the first ribs is one more than that of the second ribs.
Furthermore, the first prefabricated wall body and the second prefabricated wall body are identical in structure and formed by pouring concrete, a reinforcing mesh is embedded in the concrete, the reinforcing mesh comprises linear reinforcing bars which are arranged in a rectangular mode in the horizontal direction and rectangular reinforcing bars which are arranged in a linear mode in the vertical direction, the linear reinforcing bars are fixedly connected with the rectangular reinforcing bars, and the lower connecting plate and the upper connecting plate are fixedly arranged at the end portions of the linear reinforcing bars.
Compared with the prior art, the utility model has the following advantages:
1) according to the utility model, the positioning assembly is arranged, when the first prefabricated wall body and the second prefabricated wall body are vertically connected, the second prefabricated wall body at the bottom is in a fixed state, the first prefabricated wall body is erected on the positioning assembly and is fixed, the limiting bolt can be lifted by using the crane, the positioning shaft is inserted into the positioning groove, the first prefabricated wall body and the second prefabricated wall body can be positioned in the horizontal direction, and then the first prefabricated wall body falls down to complete positioning, so that alignment of matched parts in the subsequent connecting assembly is facilitated, and the connecting efficiency is improved;
2) according to the utility model, the guide groove is formed in one side of the positioning sleeve, and the matching of the positioning shaft and the positioning groove requires that the axes are completely overlapped, so that the four directions in the horizontal direction are required to be aligned, the difficulty is high, and the arrangement of the guide groove can ensure that when the first prefabricated wall body and the second prefabricated wall body are aligned, the positioning shaft is aligned with the guide groove to complete the positioning of two directions of the four directions, and then the first prefabricated wall body and the second prefabricated wall body slide to the positions of the positioning groove along the guide groove, and when the first prefabricated wall body and the second prefabricated wall body slide to the positions of the positioning groove, the remaining two directions can be positioned and distributed for positioning under the limiting action of the inner wall of the positioning sleeve, so that the construction difficulty is reduced, and the construction efficiency is further improved;
3) the connecting component is provided with the first rib plates and the second rib plates which are arranged in a staggered manner, so that the upper connecting piece and the lower connecting piece can be matched with each other to achieve a meshing effect, and the first rib plates and the second rib plates provide strong shearing resistance to the shearing stress in two symmetrical directions between the first prefabricated wall body and the second prefabricated wall body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the reinforcing mesh structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a first aspect of the present invention;
FIG. 4 is a second schematic cross-sectional view of the present invention;
fig. 5 is a schematic structural diagram of the positioning assembly of the present invention.
Wherein: 1. the prefabricated wall comprises a first prefabricated wall body, a second prefabricated wall body, a connecting assembly, a positioning assembly, a steel mesh, a linear steel bar, a 7 rectangular steel bar, a 8 rectangular sawtooth groove, a 9 lower connecting plate, a 10 rectangular sawtooth protrusion, a 11 limiting bolt, a 12 nut, a 13 kidney-shaped hole, a 14 upper connecting plate, a 15 first rib plate, a 16 second rib plate, a 17 flange plate, a 18 expansion bolt, a 19 positioning sleeve, a 20 positioning groove, a 21 guiding groove, a 22 positioning shaft.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
Example (b):
the utility model provides a shear wall precast slab with a connection structure, which comprises a first precast wall body 1, a second precast wall body 2, a connection assembly 3 and positioning assemblies as shown in figure 1, wherein the first precast wall body 1 is connected with the second precast wall body 2 through the connection assembly 3, and two groups of positioning assemblies 4 are arranged between the first precast wall body 1 and the second precast wall body 2.
In order to realize the location, as shown in fig. 1 and 5, the locating component 4 includes a locating sleeve 19 and a locating shaft 22, the flange 17 is welded on the outer wall of one side opposite to the other of the locating sleeve 19 and the locating shaft 22, two flange 17 are fixed on the outer wall of one side opposite to the first prefabricated wall 1 and the second prefabricated wall 2 respectively through expansion bolts 18, a locating groove 20 matched with the shape and size of the locating shaft 22 is provided on the inner wall of the locating sleeve 19, a guide groove 21 is provided on the outer wall of one side of the locating sleeve 19, the depth of the guide groove 21 is one third of the length of the whole locating sleeve 19, and the width of the guide groove 21 is equal to the diameter of the locating shaft 22.
When the first prefabricated wall body 1 and the second prefabricated wall body 2 are vertically connected, the second prefabricated wall body 2 at the bottom is already in a fixed state, the first prefabricated wall body 1 is erected on the second prefabricated wall body 2 and is fixed, the limiting bolt 11 is lifted by using a crane, the positioning shaft 22 is inserted into the positioning groove 20, the first prefabricated wall body 1 and the second prefabricated wall body 2 can be positioned in the horizontal direction, then the first prefabricated wall body 1 is dropped to complete the positioning, the alignment of matched components in the subsequent connecting assembly 3 is facilitated, the connecting efficiency is improved, in addition, on the basis, the guide groove 21 is formed in one side of the positioning sleeve 19, as the matching of the positioning shaft 22 and the positioning groove 20 needs the axis to be completely overlapped, the four directions in the horizontal direction are required to be aligned, the difficulty is high, and the arrangement of the guide groove 21 can ensure that when the first prefabricated wall body 1 and the second prefabricated wall body 2 are aligned, align locating shaft 22 and guide way 21 earlier, accomplish the location in wherein two positions in four positions, slide to the position of constant head tank 20 along guide way 21 afterwards, when treating to constant head tank 20 department, the inner wall limiting displacement of position sleeve 19 can be fixed a position remaining two positions, distribute and fix a position, has reduced the construction degree of difficulty to the efficiency of construction has further been improved.
In order to realize connection, as shown in fig. 3 and 4, the connection assembly 3 comprises a lower connection plate 9 and an upper connection plate 14, the lower connection plate 9 and the upper connection plate 14 are respectively fixed on the top of the second prefabricated wall 2 and the outer wall of the bottom of the first prefabricated wall 1, the lower connection plate 9 is welded with at least two second rib plates 16 facing the outer wall of the upper connection plate 14, at least three first rib plates 15 are welded on the outer wall of the lower connection plate 9 facing the upper connection plate 14, the number of the first rib plates 15 is one more than that of the second rib plates 16, the first rib plates 15 and the second rib plates 16 are mutually staggered and tightly arranged, the lower connection plate 9 and the upper connection plate 14 are both provided with rectangular sawtooth grooves 8, the outer walls of the first rib plates 15 and the second rib plates 16 are both provided with rectangular sawtooth protrusions 10 matched with the rectangular sawtooth grooves 8, and the inner walls of the first rib plates 15 and the second rib plates 16 are provided with at least four uniformly arranged kidney-shaped holes 13, the inner wall of waist type hole 13 cooperation is used and is had spacing bolt 11, and the outer wall of spacing bolt 11 has nut 12 through threaded connection.
Because the first prefabricated wall body 1 and the second prefabricated wall body 2 can bear larger shear stress in actual use, and the requirement on the connection strength of the whole second prefabricated wall body 2 is very high, the device can achieve a meshing effect by arranging the first rib plates 15 and the second rib plates 16 in an intricate mode and mutually matching the first rib plates and the second rib plates, and provides stronger shearing resistance for the shear stress in two symmetrical directions between the first prefabricated wall body 1 and the second prefabricated wall body 2.
For convenience of connection, as shown in fig. 1, 2 and 3, the first prefabricated wall 1 and the second prefabricated wall 2 have the same structure and are both formed by pouring concrete, reinforcing mesh 5 is embedded in the concrete, the reinforcing mesh 5 is composed of linear reinforcing bars 6 arranged in a rectangular shape and rectangular reinforcing bars 7 arranged in a linear shape, the rectangular reinforcing bars 7 are formed by bending the reinforcing bars, the joints of the linear reinforcing bars 6 and the rectangular reinforcing bars 7 are fixed by welding or binding wires, and the lower connecting plate 9 and the upper connecting plate 14 are both welded to the ends of the linear reinforcing bars 6 in the rectangular array.
The working principle of the utility model is as follows: when the first prefabricated wall body 1 and the second prefabricated wall body 2 are vertically connected, the second prefabricated wall body 2 at the bottom is in a fixed state, the first prefabricated wall body 1 is erected on the second prefabricated wall body 2 and is fixed, the limiting bolt 11 can be lifted by using a crane, the positioning shaft 22 is inserted into the positioning groove 20, the first prefabricated wall body 1 and the second prefabricated wall body 2 can be positioned in the horizontal direction, and then the first prefabricated wall body 1 is dropped to complete the positioning, as the first prefabricated wall body 1 and the second prefabricated wall body 2 bear larger shear stress in actual use, the device has high requirement on the connection strength of the whole second prefabricated wall body 2, the first rib plate 15 and the second rib plate 16 are arranged in a staggered manner, the mutual matching between the first prefabricated wall body 1 and the second prefabricated wall body can achieve the meshing effect, and the device provides stronger shear resistance to the shear stress in two symmetrical directions between the first prefabricated wall body 1 and the second prefabricated wall body 2, on the basis, the device is provided with a rectangular sawtooth groove 8 and a rectangular sawtooth projection 10, and the rectangular sawtooth groove and the rectangular sawtooth projection also provide the anti-shearing capacity for the connection of the other two directions through the snapping action.
The precast slab of the utility model has the following manufacturing and using steps:
s1: prefabricating a first prefabricated wall body 1 and a second prefabricated wall body 2;
s11: pre-weaving the linear reinforcing steel bars 6 and the rectangular reinforcing steel bars 7 by adopting welding or wire binding;
s12: pouring concrete into the woven reinforcement mesh 5, and cooling and forming;
s2: construction on site (connection of the first prefabricated wall 1 and the second prefabricated wall 2);
s21: respectively welding the lower connecting plate 9 and the upper connecting plate 14 to the ends of the linear reinforcing bars 6 in the first prefabricated wall body 1 and the second prefabricated wall body 2, and independently welding the single linear reinforcing bars 6 at all contact points to ensure the connection strength;
s22: carrying out die positioning or marking positioning punching on the first prefabricated wall body 1 and the second prefabricated wall body 2;
s23: fixing the flange 17 at the punching positions of the first prefabricated wall 1 and the second prefabricated wall 2 through expansion bolts 18 respectively;
s24: hoisting the first prefabricated wall 1 by using a crane and manually aligning the positioning shaft 22 with the guide groove 21;
s25: then, the first prefabricated wall body 1 is slid towards the position of the positioning groove 20, and when the positioning shaft 22 is overlapped with the positioning groove 20, the first prefabricated wall body is put down to complete positioning;
s26: and inserting the limiting bolt 11 into the waist-shaped hole 13, and screwing the nut 12 to finish construction.
While the utility model has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a shear force wall prefabricated plate with connection structure, a serial communication port, including first prefabricated wall body (1), second prefabricated wall body (2), coupling assembling (3) and locating component (4), coupling assembling (3) include connecting piece and lower connecting piece, last connecting piece be connected with first prefabricated wall body (1) and second prefabricated wall body (2) respectively with the one end of lower connecting piece, the other end is to joining in marriage each other for realize the location of vertical direction and through spacing bolt (11) and nut (12) fixed connection, locating component (4) include setting element and lower setting element, last setting element and the one end of setting element down be connected with first prefabricated wall body (1) and second prefabricated wall body (2) respectively, the other end is to joining in marriage each other for realize the location of horizontal direction.
2. The shear wall precast slab with the connection structure as claimed in claim 1, wherein the upper connection member comprises an upper connection plate (14) and a first rib plate (15), the lower connection member comprises a lower connection plate (9) and a second rib plate (16), the upper connection plate (14) and the lower connection plate (9) are respectively arranged on the first precast wall body (1) and the second precast wall body (2) and are opposite to each other, the first rib plate (15) and the second rib plate (16) are respectively arranged on the lower bottom surface of the upper connection plate (14) and the upper top surface of the lower connection plate (9) and are arranged in a staggered and penetrating manner, the lower end of the first rib plate (15) is in contact with the upper top surface of the lower connection plate (9), and the upper end of the second rib plate (16) is in contact with the lower bottom surface of the upper connection plate (14).
3. The shear wall precast slab with the connecting structure according to claim 2, wherein the first rib plate (15) and the second rib plate (16) are respectively provided with a kidney-shaped hole (13) at corresponding positions, and the limiting bolt (11) and the nut (12) are arranged in the kidney-shaped hole (13) and are used for fixedly connecting the first rib plate (15) and the second rib plate (16).
4. The shear wall precast slab with the connection structure as claimed in claim 2, wherein the upper top surface of the lower connection plate (9) and the lower bottom surface of the upper connection plate (14) are respectively provided with rectangular saw-tooth grooves (8), the lower end portions of the first rib plates (15) and the upper end portions of the second rib plates (16) are respectively provided with rectangular saw-tooth protrusions (10), the rectangular saw-tooth protrusions (10) at the lower end portions of the first rib plates (15) and the rectangular saw-tooth grooves (8) at the upper top surface of the lower connection plate (9) are mutually engaged and matched, and the rectangular saw-tooth protrusions (10) at the upper end portions of the second rib plates (16) and the rectangular saw-tooth grooves (8) at the lower bottom surface of the upper connection plate (14) are mutually engaged and matched.
5. The shear wall precast slab with the connection structure according to claim 1, wherein the upper positioning member comprises a positioning shaft (22), the lower positioning member comprises a guide sleeve (19), the guide sleeve (19) and the positioning shaft (22) are respectively arranged on the first precast wall body (1) and the second precast wall body (2) through an expansion bolt (18) and a flange plate (17), a positioning groove (20) is formed in the guide sleeve (19), and the positioning groove (20) and the positioning shaft (22) have the same shape and size and are sleeved outside the positioning shaft (22) for realizing positioning in the horizontal direction.
6. A shear wall precast slab with a connecting structure according to claim 5, characterized in that the guide sleeve (19) is provided with a guide groove (21), the guide groove (21) is communicated with the positioning groove (20) and is arranged on one side of the guide sleeve (19) facing to the end of the positioning shaft (22) for firstly realizing the positioning in two horizontal directions during the assembly process.
7. A shear wall precast slab with a connection structure according to claim 6, characterized in that the guide groove (21) is a square guide groove having a depth of one third of the length of the guide sleeve (19) and a width equal to the diameter of the positioning shaft (22).
8. The shear wall precast slab with the connecting structure according to claim 1, wherein the positioning assemblies (4) are provided in two, respectively on both sides of the connecting assembly (3).
9. A shear wall precast slab with a connection structure according to claim 3, wherein the number of the first ribs (15) is at least three, and the number of the first ribs (15) is one more than that of the second ribs (16).
10. The shear wall precast slab with a connection structure according to claim 2, wherein the first precast wall body (1) and the second precast wall body (2) have the same structure, are both cast of concrete, and are embedded with the reinforcing mesh (5), the reinforcing mesh (5) includes linear reinforcing bars (6) arranged in a rectangular shape in a horizontal direction and rectangular reinforcing bars (7) arranged in a linear shape in a vertical direction, the linear reinforcing bars (6) are fixedly connected with the rectangular reinforcing bars (7), and the lower connection plate (9) and the upper connection plate (14) are fixedly arranged at the ends of the linear reinforcing bars (6).
Priority Applications (1)
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CN202120523955.0U CN215563518U (en) | 2021-03-12 | 2021-03-12 | Shear force wall prefabricated plate with connection structure |
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CN202120523955.0U CN215563518U (en) | 2021-03-12 | 2021-03-12 | Shear force wall prefabricated plate with connection structure |
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