CN205330010U - Explosion -proof steel bar connection sleeve - Google Patents
Explosion -proof steel bar connection sleeve Download PDFInfo
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- CN205330010U CN205330010U CN201521130531.9U CN201521130531U CN205330010U CN 205330010 U CN205330010 U CN 205330010U CN 201521130531 U CN201521130531 U CN 201521130531U CN 205330010 U CN205330010 U CN 205330010U
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Abstract
The utility model provides an explosion -proof steel bar connection sleeve, belongs to steel bar connection sleeve technical field for the steel bar connection sleeve is connected with the reinforcing bar. The utility model discloses in will waiting that the reinforcing bar of connecting penetrates explosion -proof steel bar connection sleeve's steel bar connection hole, each part of circumference centering extrusion simultaneously through the annular extrusion die of special use reaches vertical rib, cross rib that explosion -proof steel bar connection sleeve wrapped up the reinforcing bar totally, form with the no clearance fit of reinforcing bar, make explosion -proof steel bar connection sleeve and reinforcing bar one -tenth for a whole member, can guarantee that explosion -proof steel bar connection sleeve and construction steel bar joint strength can bear instantaneous 1500mms and strike, the strain rate is 1S -1, the minimum of elongation the most energetically > 5% requirement. The utility model discloses a to traditional reinforcing bar sleeve connection structure's innovation, locate the breaking strength that intensity all is greater than the reinforcing bar body through high -speed collision test identification explosion -proof steel bar connection sleeve body and with steel bar connection, can be used for the various building interior steel bar connection that have explosion -proof requirement.
Description
Technical field
This utility model relates to a kind of building bar branch sleeve with explosion prevention function, belongs to reinforcing steel bar connecting sleeve tube technical field。
Background technology
It is that building trade carries out rebar connecting technology conventional in large-scale construction engineering that reinforcing steel bar connecting sleeve tube connects, when bar connecting, the effect of reinforcing steel bar connecting sleeve tube is to be linked together by the mode of screw thread or radial segments squeeze flow by two reinforcing bars, have easy and simple to handle rapidly, save raw material, steady quality, not by plurality of advantages such as reinforcing bar composition are limited, is widely used in the bar connecting of the heavy constructions such as domestic and international heavy construction bridge, subway, hydraulic engineering。But, current reinforcing steel bar connecting sleeve tube connection there is also very big deficiency, first, in adopting the fashion of extrusion technique with bar connecting, reinforcing steel bar connecting sleeve tube can only crimp in a vertical relative direction, namely reinforcing steel bar connecting sleeve tube can only flatten, and reinforcing steel bar connecting sleeve tube inwall can only contact compression with the two of reinforcing bar opposite face, this greatly reduces the bond strength of reinforcing steel bar connecting sleeve tube and reinforcing bar, can disengage when being subject to big pulling force and thump；Secondly, in the technique that two reinforcing bars adopt screw thread to be connected with middle reinforcing steel bar connecting sleeve tube, two reinforcing bars to eliminate the rib on surface, then screw thread process is carried out again, therefore causing that bar diameter reduces, tension and impact strength reduce, and are easy to fracture when being subject to big pulling force and thump。The bonding strength of therefore current reinforcing steel bar connecting sleeve tube Joining Technology is limited, it is impossible to meets nuclear-power reactor, super-high buildings etc. and has the building iron connection instructions for use of explosive-proof grade restriction。
Utility model content
Technical problem to be solved in the utility model is to provide a kind of busting reinforcement branch sleeve, and this busting reinforcement branch sleeve can ensure that busting reinforcement branch sleeve and building iron bonding strength can bear instantaneous 1500mm/s and impact, and strain rate is 1S-1, the minima of Stretching > 5% requirement, make it possible to for the various building interior bar connecting with requirement of explosion proof。
The technical scheme solving above-mentioned technical problem is:
A kind of busting reinforcement branch sleeve, it includes two reinforcing steel bar connecting sleeve tubes and connects screw rod, reinforcing steel bar connecting sleeve tube is steel cylinder, its one end is bar connecting hole, the other end is screw rod connecting hole, it it is changeover portion between bar connecting hole and screw rod connecting hole, the central axis of bar connecting hole and screw rod connecting hole respectively with the central axes of steel cylinder, the bar connecting hole of two reinforcing steel bar connecting sleeve tubes is connected with two reinforcing bars respectively, the inwall in bar connecting hole and the outer wall squeezed tight molding being connected reinforcing bar, the rib of the periphery connecting reinforcing bar is embedded in the inwall in bar connecting hole, the screw rod connecting hole of two reinforcing steel bar connecting sleeve tubes is relative, the inwall of screw rod connecting hole there is screw thread, screw thread matches with the two ends screw thread being connected screw rod, the two ends connecting screw rod are connected with the screw rod connecting hole of two reinforcing steel bar connecting sleeve tubes respectively。
Above-mentioned busting reinforcement branch sleeve, the outer wall of the reinforcing steel bar connecting sleeve tube that described bar connecting hole site is relative has 6-8 mould squeezing groove, mould squeezing groove is the elongated slot along reinforcing steel bar connecting sleeve tube length direction, 6-8 mould squeezing groove surrounds the circumference uniform distribution of reinforcing steel bar connecting sleeve tube, and 6-8 mould squeezing groove is corresponding with extrusion die respectively。
Above-mentioned busting reinforcement branch sleeve, described connection screw rod two ends are straight thread bar, the screw rod connecting hole respectively straight thread hole of two reinforcing steel bar connecting sleeve tubes, and the straight thread bar connecting screw rod two ends is connected with the straight thread hole coupling of two reinforcing steel bar connecting sleeve tubes respectively。
Above-mentioned busting reinforcement branch sleeve, one end of described connection screw rod is straight thread bar, the other end connecting screw rod is outer cone thread bar, the screw rod connecting hole of two reinforcing steel bar connecting sleeve tubes respectively straight thread hole and outer cone thread hole, the straight thread bar and the outer cone thread bar that connect screw rod two ends are connected with the straight thread hole of two reinforcing steel bar connecting sleeve tubes and outer cone thread hole coupling respectively。
Above-mentioned busting reinforcement branch sleeve, described connection screw rod has one or two locknut respectively。
Above-mentioned busting reinforcement branch sleeve, one end of described connection screw rod and a reinforcing steel bar connecting sleeve tube are structure as a whole, the other end connecting screw rod is straight thread bar or outer cone thread bar, the screw rod connecting hole of another reinforcing steel bar connecting sleeve tube is corresponding straight thread hole or outer cone thread hole, and the straight thread bar or the outer cone thread bar that connect screw rod are connected with straight thread hole or the outer cone thread hole coupling of another reinforcing steel bar connecting sleeve tube (2)。
The beneficial effects of the utility model are:
Reinforcing bar to be connected is penetrated in the bar connecting hole of busting reinforcement branch sleeve by this utility model, extruded to center by the circumference each several part of Special annular extrusion die simultaneously, the busting reinforcement branch sleeve outer wall making insertion reinforcing bar produces plastic deformation, reach the longitudinal rib of the fully wrapped around reinforcing bar of busting reinforcement branch sleeve, cross rib, form the blind-mate with reinforcing bar, make busting reinforcement branch sleeve and reinforcing bar become an integrated member。Extrusion process is not destroyed original size and the mechanical performance of reinforcing bar, it is ensured that busting reinforcement branch sleeve and building iron bonding strength can bear instantaneous 1500mm/s and impact, and strain rate is 1S-1, the minima of Stretching > 5% requirement。By high speed impact it have been experienced that busting reinforcement branch sleeve body and be all higher than the fracture strength of reinforcing bar body with rebar junction intensity, this busting reinforcement branch sleeve may be used for the various building interior bar connecting with requirement of explosion proof。
This utility model is the innovation to traditional straight screw sleeve connection structure, and bonding strength reinforcing steel bar connecting sleeve tube and reinforcing bar between be significantly increased, and avoids in connection procedure the damage to reinforcing bar, maintains the intensity of reinforcing bar itself。Adopt reinforcing steel bar connecting sleeve tube of the present utility model and bar construction to may be used for the big pulling force of various antagonism and resisting strong impact power and require the engineering structures such as higher nuclear-power reactor, super-high buildings, large bridge, meet the building iron with explosive-proof grade restriction and connect instructions for use。
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model；
Fig. 2 is another kind of structural representation of the present utility model；
Fig. 3 is the third structural representation of the present utility model；
Fig. 4 is the 4th kind of structural representation of the present utility model；
Fig. 5 is the 5th kind of structural representation of the present utility model；
Fig. 6 is the 6th kind of structural representation of the present utility model；
Fig. 7 is squeezed state schematic diagram of the present utility model；
Fig. 8 is the A-A sectional view of Fig. 7。
In figure, labelling is as follows: reinforcing bar 1, reinforcing steel bar connecting sleeve tube 2, bar connecting hole 3, screw rod connecting hole 4, changeover portion 5, mould squeezing groove 6, connection screw rod 7, straight thread bar 8, outer cone thread bar 9, straight thread hole 10, outer cone thread hole 11, locknut 12, forcing press 13, extrusion die 14。
Detailed description of the invention
This utility model is a kind of busting reinforcement branch sleeve, and busting reinforcement branch sleeve is made up of two reinforcing steel bar connecting sleeve tubes 2 and connection screw rod 7。
Showing in figure, reinforcing steel bar connecting sleeve tube 2 is steel cylinder, and its one end is bar connecting hole 3, and the other end is screw rod connecting hole 4, is changeover portion 5 between bar connecting hole 3 and screw rod connecting hole 4。The central axis of bar connecting hole 3 and screw rod connecting hole 4 respectively with the central axes of steel cylinder。
Figure shows, two reinforcing bars 1 are connected with the bar connecting hole 3 of two reinforcing steel bar connecting sleeve tubes 2 respectively, the inwall in bar connecting hole 3 and the outer wall squeezed tight molding being connected reinforcing bar 1, the rib of the periphery connecting reinforcing bar 1 is embedded in the inwall in bar connecting hole 3, form blind-mate, make reinforcing steel bar connecting sleeve tube 2 and reinforcing bar 1 become an integrated member。
Showing in figure, the screw rod connecting hole 4 of two reinforcing steel bar connecting sleeve tubes 2 relatively, the inwall of screw rod connecting hole 4 has screw thread, and screw thread matches with the two ends screw thread being connected screw rod 7, and the two ends connecting screw rod 7 are connected with the screw rod connecting hole 4 of two reinforcing steel bar connecting sleeve tubes 2 respectively。
Figure shows, the outer wall of the reinforcing steel bar connecting sleeve tube 2 that position, bar connecting hole 3 is relative has 6-8 mould squeezing groove 6, mould squeezing groove 6 is the elongated slot along reinforcing steel bar connecting sleeve tube 2 length direction, 6-8 mould squeezing groove 6 surrounds the circumference uniform distribution of reinforcing steel bar connecting sleeve tube 2, and 6-8 mould squeezing groove 6 is corresponding with extrusion die 14 respectively。
Fig. 1,3 display, connect screw rod 7 two ends be straight thread bar 8, the screw rod connecting hole 4 of two reinforcing steel bar connecting sleeve tubes 2 respectively straight thread hole 10, connect screw rod 7 two ends straight thread bar 8 respectively with two reinforcing steel bar connecting sleeve tubes 2 straight thread hole 10 coupling be connected。
Fig. 2,4 displays, the one end connecting screw rod 7 is straight thread bar 8, the other end connecting screw rod 7 is outer cone thread bar 9, the screw rod connecting hole 4 of two reinforcing steel bar connecting sleeve tubes 2 respectively straight thread hole 10 and outer cone thread hole 11, the straight thread bar 8 and the outer cone thread bar 9 that connect screw rod 7 two ends are connected with the straight thread hole 10 of two reinforcing steel bar connecting sleeve tubes 2 and outer cone thread hole 11 coupling respectively。
Fig. 3,4 displays, connect and have one or two locknut 12 on screw rod 7 respectively, connects after screw rod 7 is connected with reinforcing steel bar connecting sleeve tube 2 and tightens locknut 12, makes connection tightr。Cannot come off。
Fig. 5,6 displays, the one end connecting screw rod 7 is structure as a whole with a reinforcing steel bar connecting sleeve tube 2, the other end connecting screw rod 7 is that straight thread bar 8 or outer cone thread bar 9, straight thread bar or the outer cone thread bar screw rod connecting hole 4 with another reinforcing steel bar connecting sleeve tube 2 is for threadeding。
The crimping Joining Technology of this utility model reinforcing steel bar connecting sleeve tube 2 adopts following steps to carry out:
A. busting reinforcement branch sleeve is machined out, processes bar connecting hole 3, screw rod connecting hole 4 and changeover portion 5；
B. the busting reinforcement branch sleeve processed is carried out Tempering and Quenching；
C. the busting reinforcement branch sleeve after modified is placed in extrusion die, extrusion die 14 is the annular extrusion die of 6 equal portions or 8 equal portions, the position, bar connecting hole 3 of busting reinforcement branch sleeve is arranged in the annular extrusion orifice of extrusion die 14, screw rod connecting hole 4 and changeover portion 5 are positioned at outside extrusion die, extrusion die 14 front end adopts arc transition, it is to avoid stress is concentrated and the deformation effect of female thread to the screw rod connecting hole 4 of busting reinforcement branch sleeve；
D. reinforcing bar 1 is put in the bar connecting hole 3 of busting reinforcement branch sleeve, start hydraulic press or other press, the circumference each several part of annular extrusion die 14 extrudes to center simultaneously, realize the extruding of the busting reinforcement branch sleeve outer wall inserting reinforcing bar 1 is shunk, the position, bar connecting hole 3 making busting reinforcement branch sleeve produces cold deformation, and busting reinforcement branch sleeve and reinforcing bar rib boss closely intersect to combine closely and be integrally forming。
Claims (6)
1. a busting reinforcement branch sleeve, it is characterized in that: it includes two reinforcing steel bar connecting sleeve tubes (2) and connects screw rod (7), reinforcing steel bar connecting sleeve tube (2) is steel cylinder, its one end is bar connecting hole (3), the other end is screw rod connecting hole (4), it is changeover portion (5) between bar connecting hole (3) and screw rod connecting hole (4), the central axis of bar connecting hole (3) and screw rod connecting hole (4) respectively with the central axes of steel cylinder, the bar connecting hole (3) of two reinforcing steel bar connecting sleeve tubes (2) is connected with two reinforcing bars (1) respectively, the inwall in bar connecting hole (3) and the outer wall squeezed tight molding being connected reinforcing bar (1), the rib of the periphery connecting reinforcing bar (1) is embedded in the inwall of bar connecting hole (3), the screw rod connecting hole (4) of two reinforcing steel bar connecting sleeve tubes (2) is relative, the inwall of screw rod connecting hole (4) there is screw thread, screw thread matches with the two ends screw thread being connected screw rod (7), the two ends connecting screw rod (7) are connected with the screw rod connecting hole (4) of two reinforcing steel bar connecting sleeve tubes (2) respectively。
2. busting reinforcement branch sleeve according to claim 1, it is characterized in that: the outer wall of the reinforcing steel bar connecting sleeve tube (2) that described bar connecting hole (3) position is relative has 6-8 mould squeezing groove (6), mould squeezing groove (6) is the elongated slot along reinforcing steel bar connecting sleeve tube (2) length direction, 6-8 mould squeezing groove (6) circumference uniform distribution around reinforcing steel bar connecting sleeve tube (2), 6-8 mould squeezing groove (6) is corresponding with extrusion die (14) respectively。
3. busting reinforcement branch sleeve according to claim 1 and 2, it is characterized in that: described connection screw rod (7) two ends are straight thread bar (8), screw rod connecting hole (4) respectively straight thread hole (10) of two reinforcing steel bar connecting sleeve tubes (2), connect screw rod (7) two ends straight thread bar (8) respectively with two reinforcing steel bar connecting sleeve tubes (2) straight thread hole (10) coupling be connected。
4. busting reinforcement branch sleeve according to claim 2, it is characterized in that: the two ends of described connection screw rod (7) respectively straight thread bar (8) and outer cone thread bar (9), the screw rod connecting hole (4) of two reinforcing steel bar connecting sleeve tubes (2) respectively straight thread hole (10) and outer cone thread hole (11), the straight thread bar (8) and the outer cone thread bar (9) that connect screw rod (7) two ends are connected with the straight thread hole (10) of two reinforcing steel bar connecting sleeve tubes (2) and outer cone thread hole (11) coupling respectively。
5. busting reinforcement branch sleeve according to claim 4, it is characterised in that: described connection screw rod (7) there is one or two locknut (12) respectively。
6. busting reinforcement branch sleeve according to claim 1 and 2, it is characterized in that: one end of described connection screw rod (7) and a reinforcing steel bar connecting sleeve tube (2) are structure as a whole, the other end connecting screw rod (7) is straight thread bar (8) or outer cone thread bar (9), the screw rod connecting hole (4) of another reinforcing steel bar connecting sleeve tube (2) is corresponding straight thread hole (10) or outer cone thread hole (11), the straight thread bar (8) or the outer cone thread bar (9) that connect screw rod (7) are connected with straight thread hole (10) or outer cone thread hole (11) coupling of another reinforcing steel bar connecting sleeve tube (2)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130531.9U CN205330010U (en) | 2015-12-29 | 2015-12-29 | Explosion -proof steel bar connection sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130531.9U CN205330010U (en) | 2015-12-29 | 2015-12-29 | Explosion -proof steel bar connection sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN205330010U true CN205330010U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521130531.9U Active CN205330010U (en) | 2015-12-29 | 2015-12-29 | Explosion -proof steel bar connection sleeve |
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| CN (1) | CN205330010U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464291A (en) * | 2015-12-29 | 2016-04-06 | 河北易达钢筋连接技术有限公司 | Bursting reinforcement bar connecting sleeve |
| CN108643455A (en) * | 2018-04-24 | 2018-10-12 | 东南大学 | A kind of reinforcing steel bar machinery anchor docking connecting node construction and its construction method |
| CN115262866A (en) * | 2022-09-26 | 2022-11-01 | 河北易达钢筋连接技术有限公司 | Mechanical extrusion sleeve assembly for modular connection |
-
2015
- 2015-12-29 CN CN201521130531.9U patent/CN205330010U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464291A (en) * | 2015-12-29 | 2016-04-06 | 河北易达钢筋连接技术有限公司 | Bursting reinforcement bar connecting sleeve |
| CN108643455A (en) * | 2018-04-24 | 2018-10-12 | 东南大学 | A kind of reinforcing steel bar machinery anchor docking connecting node construction and its construction method |
| CN115262866A (en) * | 2022-09-26 | 2022-11-01 | 河北易达钢筋连接技术有限公司 | Mechanical extrusion sleeve assembly for modular connection |
| CN115262866B (en) * | 2022-09-26 | 2023-01-17 | 河北易达钢筋连接技术有限公司 | Mechanical extrusion sleeve assembly for modular connection |
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