CN211421609U - Steel bar connecting piece assembly and connecting node applied by same - Google Patents
Steel bar connecting piece assembly and connecting node applied by same Download PDFInfo
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- CN211421609U CN211421609U CN201921624525.7U CN201921624525U CN211421609U CN 211421609 U CN211421609 U CN 211421609U CN 201921624525 U CN201921624525 U CN 201921624525U CN 211421609 U CN211421609 U CN 211421609U
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Abstract
The utility model provides a reinforcing bar connecting piece subassembly, including body and pull rod, the body includes the bottom plate and fixes the shear plate on the relative both sides limit of bottom plate, the bottom plate with shear plate mutually perpendicular, be equipped with the clearing hole on the shear plate, the pull rod passes the clearing hole. In the scheme, the installation position of the pull rod on the shear resistant plate is adjustable, so that the gap between the steel bar connecting piece assembly and the two prefabricated components can be adjusted through the specific position of the pull rod on the body, and the whole adjustability and the application range of the steel bar connecting piece assembly are enlarged; the connection of the stressed steel bars in the two prefabricated parts is realized through the steel bar connecting piece assembly, the continuity of stress transmission of the steel bars in the two prefabricated parts is ensured, and the field installation is also more convenient.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, concretely relates to steel bar connection spare subassembly and connected node of using thereof.
Background
In the field of assembly type buildings, most components are produced in factories and then transported to be assembled on construction sites. When each member is assembled, in order to ensure the continuity of stress, a connecting piece is required to be arranged between the members to connect the reinforcing steel bars between the adjacent members. In the prior art, node connection between members mainly comprises cast-in-place connection and pure dry connection, and the prefabricated columns and the superposed beams are taken as examples below. For the cast-in-place connection mode, the superposed beams are erected at the top ends of the prefabricated columns, then the stressed steel bars of the beams and the columns are bound, then the templates are arranged, and concrete is poured to connect the beams and the columns together. For dry joining, a steel bar connecting component between a beam and a column needs to be arranged, such as the technical solution in patent application with publication number CN109162351A, the main disadvantages are that: (1) the requirement on the production precision of the prefabricated part is high, and if the error is large, the prefabricated part cannot be installed or the stress performance is greatly influenced; (2) the bending moment force transmission path is lacked, namely the node can only be used as a hinged node to transmit force, so that the large defect exists in the aspects of anti-seismic performance and the like; (3) the bracket is exposed, which affects the beauty of the indoor wall surface.
In summary, there is a need to develop a steel bar connecting component with a certain adjustment range, convenient field installation, and strong shear resistance and pulling resistance, so as to improve the fault tolerance of the prefabricated member during assembling construction, and improve the mechanical properties and seismic resistance of the building structure.
The utility model has the following contents:
the utility model aims at providing a reinforcing bar connecting piece subassembly and use thereof, the relatively poor technical problem of performance such as the reinforcing bar connecting piece unit mount that exists among the solution prior art is inconvenient, inconvenient regulation, resistance to shear.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a steel bar connecting piece assembly comprises a body and pull rods, wherein the body comprises a bottom plate and shear resisting plates fixed on two opposite side edges of the bottom plate, the bottom plate and the shear resisting plates are perpendicular to each other, through holes are formed in the shear resisting plates, the number of the pull rods is the same as the total number of the through holes, and the pull rods penetrate through the through holes respectively.
In the above embodiment, preferably, the diameter of the through hole is at least 1.5 times the outer diameter of the tie rod.
Preferably, the anti-shearing device further comprises a shear-resisting gasket, the shear-resisting gasket is arranged on the outer side of one shear-resisting plate, the tail end of the pull rod penetrates through the shear-resisting gasket, and mutually matched sawtooth grains are arranged on the opposite side surfaces of the shear-resisting gasket and the shear-resisting plate.
Preferably, the anti-shearing plate comprises an end plate, the end plate is arranged on the outer side of one anti-shearing plate, the tail end of the pull rod penetrates through the end plate, and mutually matched sawtooth grains are arranged on the opposite side surfaces of the end plate and the anti-shearing plate.
Preferably, the shear-resistant plate further comprises a fastener connected with one end of the pull rod, and the fastener presses the shear-resistant gasket to the side surface of the shear-resistant plate.
Preferably, at least one reinforcing rib or reinforcing plate is arranged between the two shear plates.
Preferably, an arched reinforcing plate is connected between the end parts of the two shear resisting plates.
Preferably, the pull rod is provided with an external thread.
Preferably, the device further comprises a fastening nut for fastening the pull rod on the shear-resisting plate.
Preferably, the pull rod is a bolt, and an adjusting gasket is arranged between the inner side of the shear resistant plate and the bolt head of the bolt.
The utility model also provides a prefabricated component connected node who is provided with above-mentioned steel bar connection spare subassembly, including two prefabricated components, two the equal pre-buried sleeve that has of prefabricated component's connection side, the both ends of pull rod respectively with two muffjoint.
The scheme has the following beneficial effects:
1. because the installation position of the pull rod on the shear resistant plate is adjustable, the gap between the steel bar connecting piece assembly and the two prefabricated components can be adjusted through the specific position of the pull rod on the body, and the whole adjustability and the application range of the steel bar connecting piece assembly are enlarged.
2. The connection of the stressed steel bars in the two prefabricated parts is realized through the steel bar connecting piece assembly, the continuity of stress transmission of the steel bars in the two prefabricated parts is ensured, and the field installation is also more convenient.
Drawings
FIG. 1 is a schematic exploded view of a reinforcing bar coupler assembly according to example 1 (showing the positional relationship of the adjustment blocks);
FIG. 2 is a schematic exploded view of the bar connector assembly of example 1 at another angle;
fig. 3 is a sectional view of a connecting structure of a precast column and a superposed beam in example 2;
the prefabricated steel structure comprises 1-prefabricated columns, 2-superposed beams, 201-prefabricated parts, 202-cast-in-place parts, 4-stirrups, 5-upper longitudinal bars, 6-lower longitudinal bars, 7-upper transverse anchoring bars, 8-lower transverse anchoring bars, 9-anchor plates, 10-sleeves, 11-adjusting cushion blocks, 12-first shear key grooves, 13-second shear key grooves, 14-steel bar connecting piece assemblies, 15-bodies, 16-shear resisting plates, 17-reinforcing plates, 18-pull rods, 19-end plates, 20-shear resisting gaskets, 21-nuts and 22-adjusting gaskets.
Detailed Description
The following are provided as preferred embodiments of the present invention to aid in further understanding of the invention. It should be understood by those skilled in the art that the description of the embodiments of the present invention is exemplary only, and is not intended as limiting the inventive aspects.
Example 1
Referring to fig. 1 and 2, schematically, the reinforcing bar coupler assembly 14 in the present embodiment includes a body 15 and tie rods 18, the body 15 includes a bottom plate and shear plates 16 fixed to opposite sides of the bottom plate, the bottom plate and the shear plates 16 are perpendicular to each other, each shear plate 16 is provided with two through holes having a diameter 1.5 times the outer diameter of the tie rod 18, the total number of the tie rods 18 and the through holes is 4, and each tie rod 18 passes through one through hole. In the present embodiment, the tie rod 18 is a hexagonal bolt provided with an external thread at its distal end. Therefore, the gap between the superposed beam 2 and the prefabricated column 1 can be adjusted through the specific position of the pull rod 18 on the body 15, and the adjustability and the application range of the whole reinforcing steel bar connecting piece assembly 14 are increased.
With continued reference to fig. 1 and 2, two reinforcing plates 17 are disposed between the two shear plates 16, which can enhance the stability and pressure resistance of the body 15 and improve the stress performance of the connector assembly 14 in case of earthquake. An arched reinforcing plate 17 is connected between the end parts of the two shear resisting plates 16, so that the stress performance of the body 15 can be enhanced, and when the pull rod 18 is installed on site, workers can conveniently stretch out of the two shear resisting plates 16 to operate the arched reinforcing plate 17. In another embodiment, a reinforcing rib or another structural form may be used instead of the reinforcing plate 17 in the present embodiment.
On the basis of the present embodiment, in a modified embodiment, referring to fig. 1 and fig. 2, the reinforcing bar connecting member assembly 14 further includes an end plate 19 disposed outside one shear plate 16, and the opposite sides of the end plate 19 and the shear plate 16 are both provided with saw-tooth patterns, and the saw-tooth patterns of the two are matched with each other. By the arrangement, when the shear resisting plate 16 is attached to the end plate 19, the sawtooth grains of the shear resisting plate and the end plate are mutually meshed, the shear resistance of the steel bar connecting piece component 14 can be enhanced, and the shear resistance of the sawtooth grains is stronger than that of the shear resistance of the pull rod 18 which is only used. After the tail end of the pull rod 18 is connected with the steel bars in the prefabricated part, the shearing resistance between the beam end and the prefabricated column 1 can be enhanced and the seismic performance can be improved under the conditions of earthquakes and the like.
In a modified embodiment, referring to fig. 2, based on the present embodiment, the rebar connector assembly 14 further comprises shear pads 20 and fasteners, wherein the shear pads 20 have a smaller area than the shear plates 16, one tie rod 18 corresponds to each shear pad 20, and the fasteners are nuts 21; both of which are arranged outside the shear resistant plate 16, and the opposite side surfaces of the shear resistant gasket 20 and the shear resistant plate 16 are provided with sawtooth grains, and the sawtooth grains of the shear resistant gasket and the shear resistant plate are matched with each other. After the pull rod 18 passes through the through hole of the shear resisting plate 16, the end of the pull rod 18 is sleeved with a shear resisting gasket 20 and a nut 21, the nut 21 is matched with the thread at the end of the pull rod 18, the shear resisting gasket 20 is pressed on the side surface of the shear resisting plate 16, and the shear resisting gasket 20 and the sawtooth patterns on the side surface of the shear resisting plate 16 are mutually clamped. This further improves the shear resistance of the rebar connector assembly 14.
Referring to fig. 1, in another modified embodiment, an adjusting washer 22 is further disposed between the shear plate 16 and the head of the hexagon bolt, and the adjusting washer 22 is provided with a hole for the hexagon bolt to pass through, and the inner diameter of the hole is larger than the outer diameter of the hexagon bolt. The thickness of the adjusting gasket 22 can be determined according to the distance between the head of the hexagonal bolt and the shear plate 16 during actual construction, so that the contact area between the head of the hexagonal bolt and the shear plate 16 can be increased, and the local stress of the shear plate 16 is prevented from being too large; on the other hand, the hexagon bolt can be more tightly connected and fixed with the shear-resisting plate 16.
Referring to fig. 1, in another modified embodiment, shear spacers 20 are disposed on the outer sides of the two shear plates 16, and the tension rods 18 and the shear spacers 20 are respectively fixed to the shear plates 16 on both sides by nuts 21 connected to the ends of the tension rods 18 on the two shear plates 16. In other embodiments, the two shear plates 16 are provided with end plates 19 with sawteeth on the outer sides, and the end plates 19 are fixed on the shear plates 16 through nuts 21.
Example 2
Referring to fig. 3, the connection node of the prefabricated column 1 and the composite beam 2 is shown in the embodiment, wherein the height of the prefabricated column 1 exceeds the height of one floor, the composite beam 2 comprises a prefabricated part 201 and a cast-in-situ part 202, the end of the composite beam 2 is connected with the side surface of the prefabricated column 1, and the top side surface of the prefabricated column 1 is higher than the height of the cast-in-situ part 202. The stress bar in the prefabricated column 1 is connected with the lower longitudinal bar 6 in the cast-in-place part 202 through the steel bar connector assembly 14 in the embodiment 1, and the upper longitudinal bar 5 in the cast-in-place part 202 is connected with the stress bar in the prefabricated column 1. Compare in prior art, the on-the-spot installation of prefabricated post 1 in this scheme is more convenient, through steel bar connection spare subassembly 14 can be convenient link together prefabricated post 1 and roof beam, reduces the wet operation in scene.
In this embodiment, an upper transverse anchoring rib 7 and a lower transverse anchoring rib 8 are embedded in the prefabricated column 1 at a position opposite to the composite beam 2, the upper transverse anchoring rib 7 is connected with the end of the upper longitudinal rib 5 in the cast-in-place part 202 through a sleeve 10, and the lower transverse anchoring rib 8 is connected with the end of the lower longitudinal rib 6 in the prefabricated part 201 through a reinforcing steel bar connector assembly 14. There are 2 upper longitudinal ribs 5 in the cast-in-place part 202 and 2 lower longitudinal ribs 6 in the prefabricated part 201, so that there are also 2 upper transverse anchoring ribs 7 and 2 lower transverse anchoring ribs 8 respectively arranged at opposite positions in the prefabricated column 1. The end of the upper transverse anchoring rib 7 opposite to the superposed beam 2 is fixed with a straight thread sleeve 10, the straight thread sleeve 10 is pre-embedded in concrete, and the end surface is flush with the side surface of the precast column 1; the end of the lower transverse anchoring rib 8 opposite to the superposed beam 2 is also fixed with a straight thread sleeve 10, the sleeve 10 at the end part of the upper transverse anchoring rib 7 is welded and fixed with an end plate 19 of a steel bar connecting piece assembly 14, the sleeve 10 and the end plate 19 are both pre-embedded in the concrete of the precast column 1, and one side of the end plate 19 with sawtooth grains is exposed out of the side surface of the precast column 1. The upper longitudinal bar 5 of the superposed beam 2 is connected with the upper transverse anchoring bar 7 through a straight thread sleeve 10, and the steel bar connecting piece assembly 14 is connected with the sleeve 10 at the end of the lower transverse anchoring bar 8. By the arrangement, continuity of stress and force transmission of the steel bars is realized between the prefabricated column 1 and the superposed beam 2, and reliable connection between the beam and the column is ensured; and the side of the prefabricated column 1 is not protruded with steel bars, so that the mold design during production is facilitated.
Referring to fig. 2 and 3, the sleeve 10 at the ends of the lower transverse anchoring ribs 8 and the lower longitudinal ribs 6 is provided with internal threads, and the pull rod 18 is provided with external threads matched with the internal threads of the sleeve 10. Two pull rods 18 penetrate through holes in the shear resisting plate 16 on one side of the prefabricated column 1 and are connected with the end sleeves 10 of the lower transverse anchoring ribs 8 through threads. Two pull rods 18 pass through holes on the shear resisting plate 16 on one side of the superposed beam 2 and are connected with the sleeves 10 at the ends of the lower longitudinal ribs 6 through threads. By the arrangement, the connection of the steel bar connecting piece assembly 14 with the steel bars in the prefabricated column 1 and the superposed beam 2 is realized, the continuity of stress transmission of the steel bars in the prefabricated column 1 and the superposed beam 2 is ensured, the production of prefabricated parts is more convenient, and the field installation is also more convenient. Because the installation position of the pull rod 18 on the shear resistant plate 16 can be adjusted, the connection between the steel bar connecting piece assembly 14 and the lower transverse anchoring rib 8 in the precast column 1 and the lower longitudinal rib 6 in the beam also has a certain adjustment range, so that the tolerance capability of the beam-column connecting structure during installation is enhanced.
With continued reference to fig. 2 and 3, a spacer block 11 is provided between the reinforcing bar coupler assembly 14 and the prefabricated part 201. This facilitates height adjustment of the composite girder 2 during installation. And the bottom side of the end of the prefabricated part 201 is provided with a notch, the reinforcing steel bar connecting piece assembly 14 is arranged in the notch during installation, and the width of the body 15 is smaller than that of the notch of the prefabricated part 201. Therefore, the reinforcing steel bar connecting piece assembly 14 can be hidden in the notch, the notch is plugged in the later stage through mortar, the rust-proof and fireproof effects of the connecting piece can be realized, and the reinforcing steel bar connecting piece assembly 14 is prevented from being exposed to the indoor side to influence attractiveness. The end of the lower longitudinal bar 6 of the prefabricated part 201 of the superposed beam 2 is also connected with a straight thread sleeve 10, the straight thread sleeve 10 is embedded in concrete, and the end surface of the straight thread sleeve is flush with the end surface of the gap of the prefabricated part 201. Therefore, the steel bars are prevented from extending out of the notch, and as much field installation space as possible is reserved for operation at the notch.
Continuing to refer to fig. 3, the ends of the upper and lower transverse anchoring ribs 8 far away from the superposed beam 2 are provided with anchoring plates. Therefore, the anchoring capability of the upper and lower transverse anchoring ribs 8 in the concrete of the precast column 1 can be enhanced, so that the pulling resistance capability of the precast column is improved, and the overall strength of the beam-column connecting structure can also be improved because the upper and lower transverse anchoring ribs are connected with the upper and lower longitudinal ribs 6 in the superposed beam 2.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the protection scope thereof, and although the present application is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: numerous variations, modifications, and equivalents will occur to those skilled in the art upon reading the present application and are within the scope of the claims as issued or as granted.
Claims (10)
1. The reinforcing steel bar connecting piece assembly is characterized by comprising a body (15) and a plurality of pull rods (18), wherein the body (15) comprises a bottom plate and shear resisting plates (16) fixed on two opposite side edges of the bottom plate, the bottom plate and the shear resisting plates (16) are perpendicular to each other, through holes are formed in the two shear resisting plates (16), the number of the pull rods (18) is equal to the sum of the number of the through holes, and the pull rods (18) penetrate through the through holes respectively.
2. A reinforcing bar coupler assembly according to claim 1, wherein the diameter of the through hole is at least 1.5 times the outer diameter of the tie bar (18).
3. The reinforcing bar connector assembly according to claim 1, further comprising a shear spacer (20), wherein the shear spacer (20) is disposed at an outer side of one of the shear plates (16), the tie bar (18) has a distal end passing through the shear spacer (20), and the shear spacer (20) and the shear plate (16) have serrations formed at sides thereof opposite to each other to fit each other.
4. A reinforcing bar coupler assembly according to claim 3, further comprising an end plate disposed outside the other shear plate (16), wherein the tie rod (18) has a distal end passing through the end plate, and wherein the opposite sides of the end plate and the shear plate (16) are provided with mutually cooperating serrations.
5. A reinforcing bar coupler assembly according to claim 3, further comprising a fastener coupled to an end of the tie rod (18) to compress the shear pad (20) against a side of the shear plate (16).
6. A reinforcing bar coupler assembly according to claim 1, wherein at least one reinforcing rib or plate is provided between two shear plates (16).
7. A reinforcing bar coupler assembly according to claim 6, wherein an arched reinforcing plate is connected between the ends of the two shear plates (16).
8. A reinforcing bar coupler assembly according to claim 1, wherein the tie rod (18) is externally threaded.
9. A reinforcing bar coupler assembly according to claim 1, wherein the tie rod (18) is a bolt and an adjustment washer (22) is provided between the inner side of the shear plate (16) and the head of the bolt.
10. A prefabricated part connecting node provided with the reinforcing bar connecting piece assembly according to any one of claims 1 to 9, comprising two prefabricated parts, wherein sleeves are embedded in the connecting sides of the two prefabricated parts, and two ends of the pull rod (18) are respectively connected with the two sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921624525.7U CN211421609U (en) | 2019-09-26 | 2019-09-26 | Steel bar connecting piece assembly and connecting node applied by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921624525.7U CN211421609U (en) | 2019-09-26 | 2019-09-26 | Steel bar connecting piece assembly and connecting node applied by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211421609U true CN211421609U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921624525.7U Active CN211421609U (en) | 2019-09-26 | 2019-09-26 | Steel bar connecting piece assembly and connecting node applied by same |
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| CN (1) | CN211421609U (en) |
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- 2019-09-26 CN CN201921624525.7U patent/CN211421609U/en active Active
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Address after: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee after: Zhuyou Zhizao Technology Industry Group Co.,Ltd. Address before: 10 Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province Patentee before: Zhongmin zhuyou Technology Industry Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211221 Address after: 5 / F, office building 2, Zhongmin zhuyou Co., Ltd., No. 10, Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Zhuyou Zhizao Technology Investment Co.,Ltd. Address before: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee before: Zhuyou Zhizao Technology Industry Group Co.,Ltd. |