CN210767330U - Assembly type shear wall connecting node adopting half-lock anchor type mechanical connection - Google Patents
Assembly type shear wall connecting node adopting half-lock anchor type mechanical connection Download PDFInfo
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- CN210767330U CN210767330U CN201920983933.5U CN201920983933U CN210767330U CN 210767330 U CN210767330 U CN 210767330U CN 201920983933 U CN201920983933 U CN 201920983933U CN 210767330 U CN210767330 U CN 210767330U
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Abstract
The utility model relates to a civil engineering field discloses an adopt assembled shear force wall connected node of half lock anchor formula mechanical connection. The node comprises an upper prefabricated wall and a lower prefabricated wall, wherein a plurality of upper-layer steel bars are arranged in the upper prefabricated wall side by side, a plurality of lower-layer steel bars are arranged in the lower prefabricated wall side by side, a cast-in-place part is arranged above the lower prefabricated wall, and a grout layer is arranged between the upper prefabricated wall and the cast-in-place part; wherein, the bottom of upper reinforcing bar and the top of lower floor's reinforcing bar are connected through adapter sleeve, and during each adapter sleeve's upper segment stretched into upper prefabricated wall, the hypomere was then located the grout blanket. The utility model provides an adopt assembly type shear force wall connected node of half lock anchor formula mechanical connection provides a shear force wall nodal connection mode that has higher quality safety assurance to connect the regional vertical atress of assembly integral shear force wall node and distribution reinforcement, not only improved the efficiency of prefabricated shear force wall field connection, still guaranteed the reliability of field connection.
Description
Technical Field
The utility model relates to a civil engineering field, in particular to adopt assembled shear force wall connected node of half lock anchor formula mechanical connection.
Background
The assembled house structure is a structure spliced by a plurality of prefabricated components and used for forming the assembled house, and compared with a cast-in-place structure, the assembled house structure is quick and convenient to manufacture and form, has the functions of being convenient to manage and disassemble and the like, is an important development direction of house industrialization, and has wide application prospects. In the assembly type structure, the splicing mode among all prefabricated components is one of key factors influencing the stress performance of the structure, and the reasonable splicing mode can realize reasonable transmission of internal force of the components, ensure the safety and reliability of the structure, enable the assembly type structure to achieve the aim of equal cast-in-place and facilitate industrialization.
In current assembled shear wall structure, wherein vertically distributed's reinforcing bar generally adopts sleeve grout to connect and indirect overlap joint thick liquid anchor connects etc. and the cost is higher relatively to the plumpness and the intensity of grout material are difficult to detect, still have higher requirement to component processing and installation accuracy. In addition, if the field installation and construction quality management of the vertical shear wall is not in place, the connection quality of the steel bars in the node area is affected, and therefore the whole assembly type shear wall structure has great potential safety hazards.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an adopt assembled shear force wall connected node of half lock anchor formula mechanical connection.
According to one aspect of the utility model, an assembled shear wall connecting node adopting half-lock anchor type mechanical connection is provided, which comprises an upper prefabricated wall and a lower prefabricated wall, wherein a plurality of upper-layer steel bars are arranged in the upper prefabricated wall side by side, a plurality of lower-layer steel bars are arranged in the lower prefabricated wall side by side, a cast-in-place part is arranged above the lower prefabricated wall, and a grout layer is arranged between the upper prefabricated wall and the cast-in-place part; the bottom end of the upper layer of steel bars is connected with the top end of the lower layer of steel bars through connecting sleeves, the upper section of each connecting sleeve extends into the upper layer of prefabricated wall, and the lower section of each connecting sleeve is located in the grout layer.
The utility model provides an adopt assembled shear force wall connected node of half lock anchor formula mechanical connection provides one kind and more does benefit to the field installation, has the shear force wall nodal connection mode of higher quality safety assurance to be used for connecting the regional vertical atress of the integral shear force wall node of assembly and distribution reinforcement, solved the tradition and adopted the sleeve grout to connect and the problem that brings such as indirect overlap joint thick liquid anchor connection, not only improved the efficiency of prefabricated shear force wall field connection, still guaranteed the reliability of field connection.
In some embodiments, the upper and lower precast walls are made of reinforced concrete and the grout blanket is cast with high-grade concrete. From this, set up prefabricated wall on upper strata, the prefabricated wall of lower floor and the composition of sitting the thick liquid layer, all be provided with the reinforcing bar in knowing prefabricated wall on upper strata and the prefabricated wall of lower floor to the reinforcing bar is used for interconnect, and sits the thick liquid layer and then can play anticorrosive protection's effect to adapter sleeve.
In some embodiments, a portion of the upper reinforcing bars in the upper prefabricated wall and a portion of the lower reinforcing bars in the lower prefabricated wall are connected by the connecting sleeves. Therefore, materials for manufacturing structures such as the connecting sleeve and the like can be saved on the basis of ensuring the stable connection of the prefabricated wall body.
In some embodiments, the top end of the lower layer of rebar and the lower section of the connecting sleeve are connected by threads. Therefore, the lower-layer steel bars and the connecting sleeves can be in threaded connection through matching of the external threads on the lower-layer steel bars and the internal threads in the connecting sleeves.
In some embodiments, a plurality of tapered locking pieces are arranged between the bottom end of the upper layer of steel bars and the upper section of the connecting sleeve, and a spring is sleeved at the bottom end of the upper layer of steel bars. From this, the bottom that has set up the upper reinforcing bar is in the installation of adapter sleeve and fixed mode, and tapering locking piece and spring can play the effect of lock anchor.
In some embodiments, the top end of the connecting sleeve is a tapered barrel, and each tapered locking piece is located inside the tapered barrel. From this, set up connecting sleeve's upper end structure, a toper section of thick bamboo can be used for placing the tapering locking piece smoothly.
In some embodiments, the bottom of the upper prefabricated wall is provided with a tapered groove, and the tapered cylinder extends into the tapered groove. Therefore, the prefabricated part can push and press the connecting sleeve when moving, so that the spring is stressed and compressed, and the tapered locking block is fastened.
In some embodiments, the inner end surface of the taper lock block is provided with a tooth structure, and the tooth structure is engaged with the upper layer of steel bars. Therefore, the taper lock block is provided with the tooth structure which is meshed with the upper layer of steel bars, and the tightness between the taper lock block and the upper layer of steel bars can be improved.
In some embodiments, an arc-shaped groove is formed on an outer end face of the bottom of each tapered locking block, and the same elastic ferrule can be sleeved in the arc-shaped groove of each tapered locking block. Therefore, all the tapered locking blocks can be bundled together through the arc-shaped groove and the elastic ferrule, so that the tapered locking blocks can be mutually fixed, and the upper-layer steel bars can be fastened from the periphery.
In some embodiments, the upper layer of steel bars is sleeved with a slidable gasket, and a ring of inward protruding stop rings is arranged inside the connecting sleeve, wherein the top end of the spring is sleeved outside the gasket, and the bottom end of the spring is located above the stop rings. From this, set up the concrete mounting means of spring, can block through keeping off the ring and make its atress compression to the bottom of spring, and can make the top of spring exert pressure to the tapering locking piece through the packing ring.
Drawings
Fig. 1 is a structural diagram of an assembled shear wall connection node using a half-lock anchor type mechanical connection according to an embodiment of the present invention;
FIG. 2 is a partial structure of a fabricated shear wall connection node using a half-lock anchor type mechanical connection shown in FIG. 1;
FIG. 3 is a schematic partial structural view of the fabricated shear wall connection node of FIG. 2 using a half-lock anchor type mechanical connection;
fig. 4 is a schematic sectional view of the coupling sleeve of fig. 3.
In the figure: prefabricated wall 1 in upper strata, prefabricated wall 2 in lower floor, upper reinforcing bar 3, lower floor's reinforcing bar 4, cast-in-place portion 5, sit thick liquid layer 6, connecting sleeve 7, tapering locking piece 8, spring 9, tapered groove 11, a toper section of thick bamboo 71, keep off ring 72, arc recess 81, packing ring 91.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 schematically shows a structure of a fabricated shear wall connection node using a half-lock anchor type mechanical connection according to an embodiment of the present invention, and fig. 2 shows a partial structure of the fabricated shear wall connection node using a half-lock anchor type mechanical connection in fig. 1; fig. 3 shows a partial structure of the fabricated shear wall connection node of fig. 2 using a half-lock anchor type mechanical connection, and fig. 4 shows a sectional structure of the connection sleeve of fig. 3. As shown in fig. 1 to 4, the node is used for connecting an upper prefabricated wall 1 located above and a lower prefabricated wall 2 located below, and the upper prefabricated wall 1 and the lower prefabricated wall 2 are made of reinforced concrete, in which a plurality of steel bars are installed side by side. Wherein, the reinforcing bar in prefabricated wall 1 of upper strata is called upper reinforcing bar 3, and the bottom of each upper reinforcing bar 3 can extend to the below of prefabricated wall 1 of upper strata, and the reinforcing bar in prefabricated wall 2 of lower floor is called lower floor's reinforcing bar 4, and the top of each lower floor's reinforcing bar 4 can extend to the top of prefabricated wall 2 of lower floor to set up to corresponding with the bottom of each upper reinforcing bar 3, and the bottom of upper reinforcing bar 3 and the top of corresponding lower floor's reinforcing bar 4 can be connected through connecting sleeve 7.
In addition, a cast-in-place section 5 may be cast on site above the lower precast wall 2, and a setting bed 6 may be cast on top of the upper precast wall 1 and the cast-in-place section 5, the setting bed 6 being preferably cast using high-grade concrete. Wherein, the upper section of the connecting sleeve 7 extends into the prefabricated wall 1 at the upper layer, and the lower section is positioned in the grout blanket 6.
Preferably, because the wall body of assembled shear wall is generally longer, all be provided with many reinforcing bars in its upper strata and lower floor, then can only select one of them part upper reinforcing bar 3 in upper prefabricated wall 1 and with the lower floor's reinforcing bar 4 of the corresponding part in lower floor's prefabricated wall 2 use connecting sleeve 7 to be connected, for example adopt one by one spaced mode to use connecting sleeve 7 to be connected one of them half upper reinforcing bar 3 and lower floor's reinforcing bar 4, can guarantee to carry out stable installation to the shear wall, still saved the material of structures such as preparation connecting sleeve simultaneously.
Preferably, the upper end of the lower layer of reinforcing steel bars 4 is thickened and threaded to form an external thread, and an internal thread matching the external thread is provided inside the lower section of the coupling sleeve 7. Through external screw thread and internal thread's cooperation, can carry out stable connection to the upper end of lower floor's reinforcing bar 4 and the hypomere of connecting sleeve 7.
The lower extreme of upper reinforcing bar 3 stretches into in the upper segment of connecting sleeve 7, and is provided with a plurality of tapering locking pieces 8 between the lower extreme of upper reinforcing bar 3 and the upper segment of connecting sleeve 7, and wherein, the preferred quantity of tapering locking piece 8 is 2-6, distributes in the periphery of the lower extreme of upper reinforcing bar 3 comparatively evenly. The size of the upper end of the taper locking block 8 is smaller than that of the lower end, the taper locking block has a taper integrally, the upper end of the connecting sleeve 7 can be set to be a taper barrel 71 with the smaller size of the upper end, and the taper of the taper barrel 71 is consistent with the taper of each taper locking block 8, so that each taper locking block 8 can be smoothly arranged in the taper barrel 71 and cannot be separated from the connecting sleeve 7 from the upper end.
Further, when the groove at the bottom of the upper precast wall 1 provided above is formed as the tapered groove 11 having the same taper, the tapered tube 71 at the upper end of the coupling sleeve 7 can smoothly extend into the tapered groove 11 when mounted.
If the surface of the taper lock block 8 contacting the upper layer steel bar 3 is an inner end surface and the surface contacting the taper cylinder 71 is an outer end surface, the inner end surface of each taper lock block 8 is provided with a tooth structure, and the tooth structure is engaged with the upper layer steel bar 3, so that the connection tightness between the taper lock block 8 and the upper layer steel bar 3 can be increased. Wherein the tooth structure is not shown in the figures.
The outer end faces of the bottoms of the taper locking blocks 8 are provided with arc-shaped grooves 81, and the same elastic ferrule can be sleeved in the arc-shaped grooves 81 of the taper locking blocks 8, so that all the taper locking blocks 8 are bunched together and can be mutually fixed, and the upper-layer steel bars 3 are fastened from the periphery. Wherein the elastic collar is not shown in the figure in order to show the structure of the arc-shaped groove 81.
The bottom end of the upper layer of steel bars 3 is also sleeved with a spring 9, and the spring 9 is positioned below each taper locking block 8. Preferably, a ring of inwardly protruding stop rings 72 is provided inside the connecting sleeve 7, the stop rings 72 are located below the bottom end of the spring 9, the stop rings 72 can stop the bottom of the spring 9 and limit the movement range of the spring 9, and a washer 91 is sleeved on the upper layer steel bar 3, and the washer 91 is located below each tapered locking piece 8 and can slide along the upper layer steel bar 3. And the top end of the spring 9 is sleeved outside the washer 91 and the bottom end extends downwards in the connecting sleeve 7.
In this assembled shear force wall connected node, after using connecting sleeve 7 to connect upper reinforcing bar 3 and lower floor's reinforcing bar 4, when exerting external force on the node, the prefabricated wall 1 in the upper strata of top oppresses connecting sleeve 7, and then spring 9 can receive the atress compression to produce elasticity and promote each tapering locking piece 8 upwards, thereby can press from both sides tightly tapering locking piece 8, a toper section of thick bamboo 71 and upper reinforcing bar 3 between, thereby realize locking the anchor to upper reinforcing bar 32. The connection mode is simple in structure and relatively low in manufacturing and processing cost, is convenient, rapid, safe and reliable to install and construct on site, is not limited by any region, environment and temperature, solves the problems caused by the traditional sleeve grouting connection and indirect lap joint grout anchor connection, improves the efficiency of the field connection of the prefabricated shear wall, and ensures the reliability of the field connection. In addition, the sitting grout layer 6 formed by pouring high-grade concrete can protect and prevent corrosion of the connecting sleeve 7.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. The utility model provides an adopt assembled shear force wall connected node of half lock anchor formula mechanical connection which characterized in that: the prefabricated wall comprises an upper prefabricated wall (1) and a lower prefabricated wall (2), wherein a plurality of upper-layer steel bars (3) are arranged in the upper prefabricated wall (1) side by side, a plurality of lower-layer steel bars (4) are arranged in the lower prefabricated wall (2) side by side, a cast-in-place part (5) is arranged above the lower prefabricated wall (2), and a mortar sitting layer (6) is arranged between the upper prefabricated wall (1) and the cast-in-place part (5); the bottom end of the upper layer of steel bars (3) is connected with the top end of the lower layer of steel bars (4) through connecting sleeves (7), the upper section of each connecting sleeve (7) extends into the upper layer of prefabricated wall (1), and the lower section of each connecting sleeve is located in the grout layer (6).
2. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 1, wherein: the upper prefabricated wall (1) and the lower prefabricated wall (2) are both made of reinforced concrete, and the grout-setting layer (6) is made of high-grade concrete by pouring.
3. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 1, wherein: a part of the upper-layer steel bars (3) in the upper-layer prefabricated wall (1) and a part of the lower-layer steel bars (4) in the lower-layer prefabricated wall (2) are connected through the connecting sleeves (7).
4. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 1, wherein: the top end of the lower layer steel bar (4) is connected with the lower section of the connecting sleeve (7) through threads.
5. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 4, wherein: the bottom of upper reinforcing bar (3) with be provided with a plurality of tapering locking pieces (8) that have the tapering between the upper segment of connecting sleeve (7), and the bottom of upper reinforcing bar (3) still overlaps and is equipped with a spring (9).
6. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 5, wherein: the top end of the connecting sleeve (7) is a conical cylinder (71), and each conical locking block (8) is positioned in the conical cylinder (71).
7. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 6, wherein: the bottom of the upper prefabricated wall (1) is provided with a tapered groove (11), and the tapered cylinder (71) extends into the tapered groove (11).
8. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 5, wherein: and a tooth structure is arranged on the inner end surface of the taper locking block (8) and is meshed with the upper layer steel bar (3).
9. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 5, wherein: the outer end face of the bottom of each taper locking block (8) is provided with an arc-shaped groove (81), and the arc-shaped grooves (81) of each taper locking block (8) can be sleeved with the same elastic ferrule.
10. The fabricated shear wall connection node adopting a semi-lock anchor type mechanical connection according to claim 5, wherein: the upper-layer steel bar (3) is sleeved with a gasket (91) capable of sliding, a circle of baffle ring (72) protruding inwards is arranged inside the connecting sleeve (7), the top end of the spring (9) is sleeved outside the gasket (91), and the bottom end of the spring is located above the baffle ring (72).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983933.5U CN210767330U (en) | 2019-06-27 | 2019-06-27 | Assembly type shear wall connecting node adopting half-lock anchor type mechanical connection |
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| CN201920983933.5U CN210767330U (en) | 2019-06-27 | 2019-06-27 | Assembly type shear wall connecting node adopting half-lock anchor type mechanical connection |
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| CN210767330U true CN210767330U (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709351A (en) * | 2020-12-28 | 2021-04-27 | 锦萧建筑科技有限公司 | Novel connecting mechanism of prefabricated shear wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709351A (en) * | 2020-12-28 | 2021-04-27 | 锦萧建筑科技有限公司 | Novel connecting mechanism of prefabricated shear wall |
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Address after: No. 86, Chuangye Road, Jianye District, Nanjing, Jiangsu, 210000 Patentee after: Jiangsu architectural design and Research Institute Co.,Ltd. Address before: 210000 No.86, creative road, Xincheng Science Park, Jianye District, Nanjing City, Jiangsu Province Patentee before: JIANGSU PROVINCIAL ARCHITECTURAL D&R INSTITUTE Ltd. |
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