CN211285967U - Prefabricated section steel concrete column joint adopting half-lock anchor type sleeve - Google Patents
Prefabricated section steel concrete column joint adopting half-lock anchor type sleeve Download PDFInfo
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- CN211285967U CN211285967U CN201920983165.3U CN201920983165U CN211285967U CN 211285967 U CN211285967 U CN 211285967U CN 201920983165 U CN201920983165 U CN 201920983165U CN 211285967 U CN211285967 U CN 211285967U
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Abstract
The utility model relates to a civil engineering field discloses an adopt telescopic prefabricated shaped steel concrete column node of half lock anchor. The node comprises an upper section prefabricated column and a lower section prefabricated column, wherein a plurality of upper section reinforcing steel bars and a plurality of lower section reinforcing steel bars are respectively installed on the upper section prefabricated column and the lower section prefabricated column; each upper section of steel bar is connected with each lower section of steel bar through a connecting sleeve; the prefabricated column comprises an upper prefabricated column body, a lower prefabricated column body, column inner section steel, column outer section steel, column inner section steel and column outer section steel, wherein the column inner section steel is installed in the upper prefabricated column body and the lower prefabricated column body, and the column inner section steel in the upper prefabricated column body and the column inner section. The utility model provides an adopt telescopic prefabricated shaped steel concrete column node of half lock anchor can be used for assembling the connection of the vertical atress reinforcing bar of integral frame construction node, connects in the nodal region through using the interior shaped steel of post simultaneously, has not only strengthened the joint strength of prefabricated post, has still improved the efficiency of field connection, has guaranteed the reliability of prefabricated assembled steel concrete column field connection.
Description
Technical Field
The utility model relates to a civil engineering field, in particular to adopt telescopic prefabricated shaped steel concrete column node of half lock anchor.
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 structure, the concatenation department of each prefabricated component generally all uses the reinforcing bar to connect, specifically is with each prefabricated component vertical distribution to use reinforcing bar connection and sleeve grout to connect and indirect overlap joint thick liquid anchor connects etc. the cost is higher relatively, and 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 prefabricated parts is not in place, the connection quality of the steel bars in the node area is affected, and therefore the whole assembly type frame structure has great potential safety hazards.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an adopt telescopic prefabricated shaped steel concrete column node of half lock anchor.
According to one aspect of the utility model, a prefabricated section steel concrete column node adopting a half-lock anchor type sleeve is provided, which comprises an upper prefabricated column and a lower prefabricated column, wherein a plurality of upper reinforcing steel bars are installed in the upper prefabricated column, a plurality of lower reinforcing steel bars are installed in the lower prefabricated column, a cast-in-situ part is arranged above the lower prefabricated column, and a grout layer is arranged between the upper prefabricated column and the cast-in-situ part; the bottom end of each upper section of steel bar is connected with the top end of each lower section of steel bar through a plurality of connecting sleeves, and each connecting sleeve is positioned in the grout layer; column inner section steel penetrating through the upper section prefabricated column and the lower section prefabricated column is installed in the upper section prefabricated column and the lower section prefabricated column, and the bottom end of the column inner section steel in the upper section prefabricated column and the top end of the column inner section steel in the lower section prefabricated column extend into the grout layer and are fixedly connected with each other.
The utility model provides an adopt telescopic prefabricated shaped steel concrete column node of half lock anchor provides one kind and more does benefit to the field installation, has the nodal connection mode of higher quality safety assurance to and be used for assembling the connection of the vertical atress reinforcing bar of integral frame construction node, connect in the nodal area through using the interior shaped steel of post simultaneously, not only strengthened the joint strength of prefabricated post, still improved the efficiency of field connection, guaranteed the reliability of prefabricated assembled steel concrete column field connection.
In some embodiments, the upper prefabricated column and the lower prefabricated column are both made of reinforced concrete, and the bedding course is made of high-grade concrete. From this, set up prefabricated post of upper segment and prefabricated post of lower segment and the composition of sitting the thick liquid layer, all be provided with the reinforcing bar in can knowing prefabricated post to the reinforcing bar is used for interconnect, and sits the thick liquid layer and can play anticorrosive protection's effect to adapter sleeve.
In some embodiments, the in-column ladle includes a web in the middle and flanges on the outer sides. Therefore, a concrete structure of the column inner steel is provided, and each part of the column inner steel is required to be respectively selected to be a proper connection mode according to requirements during connection.
In some embodiments, the web of each of the column inner section steels is connected or welded with the flange by bolts. Therefore, the connection mode is put into each part of the column internal section steel, and when the operation space is insufficient, the web plates of the column internal section steel can be connected in a welding mode.
In some embodiments, the top end of the lower section of reinforcement bar and the lower section of the connecting sleeve are connected by threads. From this, through the external screw thread on the lower section of reinforcing bar and the internal thread cooperation in the adapter sleeve, can carry out threaded connection with lower section of reinforcing bar and adapter sleeve.
In some embodiments, a plurality of tapered locking pieces are arranged between the bottom end of the upper section of the steel bar and the upper section of the connecting sleeve, and a spring is sleeved at the bottom end of the upper section of the steel bar. From this, the bottom that has set up the upper segment reinforcing bar is in the installation of connecting 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 inner end surface of the taper lock block is provided with a tooth structure, and the tooth structure is engaged with the upper section of the steel bar. Therefore, the taper lock block is provided with the tooth structure which is meshed with the upper section of steel bar, and the tightness between the tooth structure and the upper section of steel bar 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 section of the steel bar can be fastened from the periphery.
In some embodiments, the upper section of steel bar is sleeved with a slidable washer, 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 washer, 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 sectional view of a prefabricated steel reinforced concrete column joint using a half-lock anchor type sleeve according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the bedding layer shown in FIG. 1;
FIG. 3 is a schematic view of the connection sleeve of FIG. 1 in relation to the structure thereof;
fig. 4 is a schematic sectional view of the coupling sleeve of fig. 3.
In the figure: prefabricated post of upper segment 1, prefabricated post 2 of lower segment, upper segment reinforcing bar 3, lower segment reinforcing bar 4, cast-in-place portion 5, sit thick liquid layer 6, connecting sleeve 7, tapering locking piece 8, spring 9, post inner form steel 10, web 11, flange 12, 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 prefabricated steel reinforced concrete column node using a half-lock anchor sleeve according to an embodiment of the present invention, fig. 2 shows a structure of a bedding layer of fig. 1, fig. 3 shows a structure related to a connection sleeve of fig. 1, and fig. 4 shows a sectional structure of the connection sleeve of fig. 3. As shown in fig. 1 to 4, the node comprises an upper prefabricated column 1 located above and a lower prefabricated column 2 located below, wherein the upper prefabricated column 1 and the lower prefabricated column 2 are both made of reinforced concrete, and a plurality of steel bars are installed in the reinforced concrete. Wherein, the reinforcing bar in the prefabricated post of upper segment 1 is called upper segment reinforcing bar 3, and the bottom of each upper segment reinforcing bar 3 can extend to the below of the prefabricated post of upper segment 1, and the reinforcing bar in the prefabricated post of lower segment 2 is called lower segment reinforcing bar 4, and the top of each lower segment reinforcing bar 4 can extend to the top of the prefabricated post of lower segment 2 to set up to corresponding with the bottom of each upper segment reinforcing bar 3, the bottom of each upper segment reinforcing bar 3 is connected through connecting sleeve 7 with the top of corresponding lower segment reinforcing bar 4.
A cast-in-situ part 5 can be cast on the upper part of the lower prefabricated column 2 on site, a sitting grout layer 6 can be cast on the upper part of the upper prefabricated column 1 and the cast-in-situ part 5 on site, and the sitting grout layer 6 is preferably cast by high-grade concrete. Wherein the connecting sleeve 7 is entirely located in the bedding layer 6.
And all install post inner section steel 10 in prefabricated post 1 of upper segment and lower section prefabricated post 2, wherein, post inner section steel 10 is located between each upper segment reinforcing bar 3 or each lower section reinforcing bar 4 to post inner section steel 10 runs through the prefabricated post 1 of upper segment or lower section prefabricated post 2 at its place. Specifically, the top end of the column inner steel 10 in the upper prefabricated column 1 extends to the upper end of the upper prefabricated column 1, and the bottom end extends to the grout blanket 6 below the upper prefabricated column 1; the bottom end of the column inner steel 10 in the lower prefabricated column 2 extends to the upper end of the lower prefabricated column 2, and the top end of the column inner steel extends to the grout layer 6 below the upper prefabricated column 1; and the bottom end of the column inner steel 10 in the upper prefabricated column 1 is fixedly connected with the top end of the column inner steel 10 in the lower prefabricated column 2. It can be seen that the column inner steel 10 can be installed into each prefabricated column from the other end after connecting one end of each prefabricated column.
The in-column section steel 10 includes a web 11 and a flange 12, wherein the web 11 is located in the middle, and the flange 12 is located outside the periphery of the web 11. When the column internal section steel 10 extending from the bottom of the upper prefabricated column 1 is connected with the column internal section steel 10 extending from the top of the lower prefabricated column 2 in the grout blanket 6, the web positions 11 of the column internal section steels 10 are generally connected by bolts (such as connecting plates with bolts), if the operation space is limited, welding can also be adopted, and the flanges 12 of the column internal section steels 10 are welded after being butted.
Preferably, the upper end of the lower section of the steel bar 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 the external screw thread and the internal screw thread cooperate, can carry out the stable connection to the upper end of lower section reinforcing bar 4 and the hypomere of connecting sleeve 7.
The lower end of the upper section of the steel bar 3 extends into the upper section of the connecting sleeve 7, and a plurality of taper locking blocks 8 are arranged between the lower end of the upper section of the steel bar 3 and the upper section of the connecting sleeve 7, wherein the number of the taper locking blocks 8 is preferably 2-6, and the taper locking blocks are uniformly distributed on the periphery of the lower end of the upper section of the steel bar 3. 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.
If the surface of the taper lock block 8 contacting the upper section of 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 section of steel bar 3, so that the connection tightness between the taper lock block 8 and the upper section of 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 section of the steel bar 3 is 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 section of the steel bar 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 section of steel bar 3, and the washer 91 is located below each tapered lock 8 and can slide along the upper section of 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.
When the joint is constructed, the upper section of steel bar 3 and the lower section of steel bar 4 are quickly connected by using the sleeve 7, then the column inner section steel 10 is installed in the upper section prefabricated column 1 and the lower section prefabricated column 2, the column inner section steel 10 is connected, and finally the grout layer 6 is formed by pouring. On one hand, when external force is applied to the node, the upper prefabricated column 1 positioned above presses the connecting sleeve 7, the spring 9 is stressed and compressed, and generates elastic force to push each taper locking block 8 upwards, so that the taper locking blocks 8, the taper cylinder 71 and the upper steel bar 3 can be clamped, and the upper steel bar 32 can be locked and anchored; on the other hand, the connection between the section steels 10 in the columns can enhance the connection strength of the prefabricated columns, and the reliability of field connection is further ensured. 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 (6)
1. The utility model provides an adopt telescopic prefabricated shaped steel concrete column node of half lock anchor, its characterized in that: the prefabricated concrete pile comprises an upper prefabricated column (1) and a lower prefabricated column (2), wherein a plurality of upper reinforcing steel bars (3) are installed in the upper prefabricated column (1), a plurality of lower reinforcing steel bars (4) are installed in the lower prefabricated column (2), a cast-in-place part (5) is arranged above the lower prefabricated column (2), and a mortar sitting layer (6) is arranged between the upper prefabricated column (1) and the cast-in-place part (5); the bottom end of each upper section of steel bar (3) and the top end of each lower section of steel bar (4) are respectively connected through a plurality of connecting sleeves (7), and each connecting sleeve (7) is positioned in the mortar layer (6); wherein, column inner section steel (10) penetrating through the upper section prefabricated column (1) and the lower section prefabricated column (2) are installed in the upper section prefabricated column (1) and the lower section prefabricated column (2), and the bottom end of the column inner section steel (10) in the upper section prefabricated column (1) and the top end of the column inner section steel (10) in the lower section prefabricated column (2) extend into the grout layer (6) and are fixedly connected with each other;
the upper prefabricated column (1) and the lower prefabricated column (2) are both made of reinforced concrete, and the grout layer (6) is made of high-grade concrete by pouring;
the column inner steel (10) comprises a web plate (11) positioned in the middle and flanges (12) positioned on the outer sides;
the web plates (11) of the column internal section steel (10) are connected or welded through bolts, and the flanges (12) are welded;
the top end of the lower section of the steel bar (4) is connected with the lower section of the connecting sleeve (7) through threads.
2. The prefabricated steel reinforced concrete column joint adopting the half-lock anchor type sleeve as claimed in claim 1, wherein: the bottom of upper segment 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 segment reinforcing bar (3) still overlaps and is equipped with a spring (9).
3. The prefabricated steel reinforced concrete column joint adopting the half-lock anchor type sleeve as claimed in claim 2, 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).
4. The prefabricated steel reinforced concrete column joint adopting the half-lock anchor type sleeve as claimed in claim 2, wherein: and a tooth structure is arranged on the inner end surface of the taper locking block (8) and is meshed with the upper section of steel bar (3).
5. The prefabricated steel reinforced concrete column joint adopting the half-lock anchor type sleeve as claimed in claim 2, 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.
6. The prefabricated steel reinforced concrete column joint adopting the half-lock anchor type sleeve as claimed in claim 2, wherein: the upper section of the 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 |
|---|---|---|---|
| CN201920983165.3U CN211285967U (en) | 2019-06-27 | 2019-06-27 | Prefabricated section steel concrete column joint adopting half-lock anchor type sleeve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920983165.3U CN211285967U (en) | 2019-06-27 | 2019-06-27 | Prefabricated section steel concrete column joint adopting half-lock anchor type sleeve |
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| CN211285967U true CN211285967U (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057244A1 (en) * | 2020-09-21 | 2022-03-24 | 昊恒（福建）建材科技有限公司 | Connection unit for prefabricated building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057244A1 (en) * | 2020-09-21 | 2022-03-24 | 昊恒（福建）建材科技有限公司 | Connection unit for prefabricated building |
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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. |