CN103469967B - Steel bar connecting sleeve of fabricated constructional member of reinforced concrete member - Google Patents
Steel bar connecting sleeve of fabricated constructional member of reinforced concrete member Download PDFInfo
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- CN103469967B CN103469967B CN201310362973.5A CN201310362973A CN103469967B CN 103469967 B CN103469967 B CN 103469967B CN 201310362973 A CN201310362973 A CN 201310362973A CN 103469967 B CN103469967 B CN 103469967B
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Abstract
Steel bar connecting sleeve of fabricated constructional member of reinforced concrete member, comprise branch sleeve, be connected to the connecting reinforcement at branch sleeve two ends, described branch sleeve one end section is provided with the internal thread with a connecting reinforcement threaded engagement, it is characterized in that the other end and another connecting reinforcement junction are provided with the linkage for compensating reinforcing bar length.Substantially increase axial compression resistance performance and improve the installation accuracy of connecting reinforcement, and realize there is reinforcing bar length compensation, improve the efficiency of installation, effectively improve bonding strength.
Description
Technical field
The present invention relates to a kind of steel bar connecting sleeve of fabricated constructional member of reinforced concrete member, especially to applicant's the improving further of first to file 201120419317.0 again.
Background technology
China Patent Publication No. is CN202324365U, disclose a kind of steel bar connecting sleeve of fabricated constructional member of reinforced concrete member, steel pipe sleeve is had outside relative connecting reinforcement, it is that inserting rotates the reducing of drawing and being connected that steel pipe sleeve one end section has the internal thread with connecting reinforcement threaded engagement, the other end to have with another connecting reinforcement.Steel bar concrete assembled architecture member reinforcing steel bar connects does not need welding, not only achieve butting member reinforcing bar and connect fast, and quality of connection is secure, and bonding strength meets building completely to bar connecting code requirement.The complete mechanical sleeve connection of two ends, not only become strong node, and short of length sleeve needs 90-120mm, only have sleeve chemistry to connect 1/3 is even less, assembly connection cost is low, and namely there is structural strength after connecting, be conducive to improving assembling speed of application further, realize erecting yard member reinforcing steel bar substantially not need to be welded to connect, start the steel bar concrete assembled architecture reinforced concrete member bar connecting beginning, but still there is technological deficiency in its technical scheme, first it is that inserting rotates the reducing link drawing connection, although reducing can be utilized very well to improve the axial tensile strength of reinforcing bar, but when axial compression is carried out to reinforcing bar, owing to there is certain gap in branch sleeve between the connecting reinforcement of two ends when there is axial compression, reinforcing bar can carry out axial displacement, thus cause the concrete of cast to break due to displacement, greatly reduce bonding strength and safety factor, have much room for improvement, moreover in practice of construction operation, the connecting reinforcement of use different in size, always there will be the phenomenon that reinforcing bar is long or too short, effectively cannot regulate, have impact on efficiency of assembling, have much room for improvement, again moreover when carrying out steel reinforcement abutting joints installation exercise, branch sleeve up and down or left and right concentricity always have deviation, slightly putting deviation will make sleeve can not dock with silk mouth, although to beat with poll pick in engineering or with the adjustment of steel crowbar, easily make that prefabricated concrete is damaged, human users's instrument that is dangerous, operating personnel can fall down, and generation accident, operating efficiency quality that is not high, that lack a sense of responsibility does not ensure under these circumstances.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide one and effectively prevent axial compression, improve bonding strength, and the steel bar connecting sleeve of fabricated constructional member of reinforced concrete member that can realize reinforcing bar length compensation, improve reinforcing bar concentricity, improve installation effectiveness.
First technical purpose of the present invention is to realize reinforcing bar adjustable length in branch sleeve, its key problem in technology is to add an inner sleeve on the basis of existing technology, to be coordinated with the external screw thread of connecting reinforcement end by the internal thread of inner sleeve and spin, thus its length of threaded adjusting, its concrete technical scheme is: steel bar connecting sleeve of fabricated constructional member of reinforced concrete member, comprise branch sleeve, be connected to the connecting reinforcement at branch sleeve two ends, described branch sleeve one end section is provided with the internal thread with a connecting reinforcement threaded engagement, it is characterized in that the other end and another connecting reinforcement junction are provided with the linkage for compensating reinforcing bar length.Described linkage comprises and is arranged at branch sleeve end and diameter is greater than the isometrical reducing of connecting reinforcement diameter and is provided with the inner sleeve coordinating internal thread with connecting reinforcement end external screw thread, described inner sleeve external diameter is greater than isometrical reentrant diameter but is less than branch sleeve internal diameter, described connecting reinforcement end is stretched in branch sleeve through isometrical reducing, spins with the interior inner sleeve be placed in branch sleeve.
Another technical purpose of the present invention is the concentricity improving connecting reinforcement, inner sleeve and connecting reinforcement screw thread is made to spin simpler, convenient, its key problem in technology is on the basis realizing the first technical purpose, a contraposition cushion block is inserted with at inner sleeve end, corresponding offers contraposition centre bore at the center, connecting reinforcement end be connected with branch sleeve threaded one end, first inner sleeve is inserted in branch sleeve, then contraposition cushion block is inserted at inner sleeve end, then a connecting reinforcement and branch sleeve internal thread are spun, when the taper of contraposition cushion block slips in contraposition centre bore to potential head because screw thread spins, and when pressure-bearing plate surface compresses with connecting reinforcement end face, centralized positioning completes, the connecting reinforcement of the branch sleeve other end is made to spin simpler through isometrical reducing and inner sleeve, convenient.Its concrete technical scheme is: described inner sleeve end has additional contraposition cushion block, described contraposition cushion block is become by the pressure-bearing plate that diameter equals the socket joint head of inner sleeve internal diameter, diameter equals inner sleeve external diameter and the taper contraposition head group that is arranged at contraposition cushion block center, described socket joint head inserts in inner sleeve end, the described center, connecting reinforcement end be connected with branch sleeve threaded one end offers contraposition centre bore, and described contraposition center-hole diameter equals the maximum diameter of taper to potential head.
The present invention the 3rd technical purpose realizes being while realizing the second object, due to inner sleeve, contraposition cushion block and the connecting reinforcement that is threaded with branch sleeve, three compresses mutually, makes to there is not gap between inner sleeve and connecting reinforcement, thus realizes the object of axial compression resistance.
As preferably of the present invention, describedly female branch sleeve end section is set is set to taper thread.
As preferably, a described connecting reinforcement end is set to the conical head connected with taper thread.
As preferably, a described connecting reinforcement outer end diameter is greater than connecting reinforcement diameter.
As preferably, described branch sleeve is hexagon or octagon.
Beneficial effect of the present invention: the present invention is by setting up inner sleeve, contraposition cushion block and center registration holes, substantially increase axial compression resistance performance and improve the installation accuracy of connecting reinforcement, and realize there is reinforcing bar length compensation, improve the efficiency of installation, effectively improve bonding strength.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Fig. 3 is the structural representation of contraposition cushion block in Fig. 2.
Fig. 4 is the structural representation of embodiment 3.
Detailed description of the invention
Embodiment 1: steel bar connecting sleeve of fabricated constructional member of reinforced concrete member, comprise branch sleeve 001, be connected to the connecting reinforcement at branch sleeve 001 two ends (002,003), described branch sleeve 001 1 end section is provided with the internal thread with connecting reinforcement 002 threaded engagement, and the other end and another connecting reinforcement 003 junction are provided with the linkage 004 for compensating reinforcing bar length.Described linkage 004 comprises and is arranged at branch sleeve 001 end and diameter is greater than the isometrical reducing 041 of connecting reinforcement 003 diameter and is provided with the inner sleeve 042 coordinating internal thread with connecting reinforcement 003 end external screw thread, described inner sleeve 042 external diameter is greater than isometrical reducing 041 diameter but is less than branch sleeve 001 internal diameter, described connecting reinforcement 003 end is stretched in branch sleeve 001 through isometrical reducing 041, spins with the interior inner sleeve 042 be placed in branch sleeve 001.Described connecting reinforcement end 021 external diameter is greater than connecting reinforcement 002 diameter.Described branch sleeve is octagon.
When adopting the mode of embodiment 1 to connect, described inner sleeve 042 length should, with connecting reinforcement 002 compacting mutually screwing in branch sleeve 001 one end, make both there is not space, produces and loosen when preventing connecting reinforcement 003 to be subject to axial compression.Described inner sleeve 042 external diameter is less than branch sleeve 001 internal diameter, makes to there is certain interval between the two, conveniently carries out centering and regulates.
Embodiment 2: with reference to embodiment 1, described inner sleeve 042 end has additional contraposition cushion block 005, described contraposition cushion block 005 is made up of potential head 053 pressure-bearing plate 052 that diameter equals the socket joint head 051 of inner sleeve 042 internal diameter, diameter equals inner sleeve 042 external diameter and the taper that is arranged at contraposition cushion block 005 center, described socket joint head 051 inserts in inner sleeve 042 end, the described center, connecting reinforcement 002 end 021 be connected with branch sleeve 001 threaded one end offers contraposition centre bore 022, and described contraposition centre bore 022 diameter equals the maximum diameter of taper to potential head 053.Described inner sleeve 042 external diameter is less than branch sleeve 001 internal diameter, makes to there is certain interval between the two, conveniently carries out centering and regulates.
Embodiment 3: with reference to embodiment 1, describedly arranges female branch sleeve 001 end section and is set to taper thread.Described connecting reinforcement 002 end 021 is set to the conical head connected with taper thread.
Claims (4)
1. steel bar connecting sleeve of fabricated constructional member of reinforced concrete member, comprise branch sleeve, be connected to the connecting reinforcement at branch sleeve two ends, described branch sleeve one end section is provided with the internal thread with a connecting reinforcement threaded engagement, it is characterized in that the other end and another connecting reinforcement junction are provided with the linkage for compensating reinforcing bar length, described linkage comprises and is arranged at branch sleeve end and diameter is greater than the isometrical reducing of connecting reinforcement diameter and is provided with the inner sleeve coordinating internal thread with connecting reinforcement end external screw thread, described inner sleeve external diameter is greater than isometrical reentrant diameter but is less than branch sleeve internal diameter, described connecting reinforcement end is stretched in branch sleeve through isometrical reducing, spin with the interior inner sleeve be placed in branch sleeve, described inner sleeve end has additional contraposition cushion block, described contraposition cushion block equals the socket joint head of inner sleeve internal diameter by diameter, diameter equals the pressure-bearing plate of inner sleeve external diameter and is arranged at the taper contraposition head group one-tenth at contraposition cushion block center, described socket joint head inserts in inner sleeve end, the described center, connecting reinforcement end be connected with branch sleeve threaded one end offers contraposition centre bore, described contraposition center-hole diameter equals the maximum diameter of taper to potential head, describedly female branch sleeve end section is set is set to taper thread.
2. steel bar connecting sleeve of fabricated constructional member of reinforced concrete member according to claim 1, is characterized in that a described connecting reinforcement end is set to the conical head connected with taper thread.
3., according to the steel bar connecting sleeve of fabricated constructional member of reinforced concrete member one of claim 1 ~ 2 Suo Shu, it is characterized in that a described connecting reinforcement outer end diameter is greater than connecting reinforcement diameter.
4. steel bar connecting sleeve of fabricated constructional member of reinforced concrete member according to claim 1, is characterized in that described branch sleeve is hexagon or octagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310362973.5A CN103469967B (en) | 2013-08-20 | 2013-08-20 | Steel bar connecting sleeve of fabricated constructional member of reinforced concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310362973.5A CN103469967B (en) | 2013-08-20 | 2013-08-20 | Steel bar connecting sleeve of fabricated constructional member of reinforced concrete member |
Publications (2)
| Publication Number | Publication Date |
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| CN103469967A CN103469967A (en) | 2013-12-25 |
| CN103469967B true CN103469967B (en) | 2016-03-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464290A (en) * | 2015-12-10 | 2016-04-06 | 江苏金砼预制装配建筑发展有限公司 | Novel steel bar connection sleeve |
| CN107237454A (en) * | 2017-05-26 | 2017-10-10 | 天津大学建筑设计研究院 | A kind of connection method of precast concrete |
| CN110374264A (en) * | 2019-08-15 | 2019-10-25 | 南京明麓建筑工程有限公司 | Adjustable reinforced connector |
| CN113020803B (en) * | 2021-03-04 | 2023-03-14 | 江西红睿马钢管股份有限公司 | Control system for steel pipe assembling and machining |
| CN113914553A (en) * | 2021-11-29 | 2022-01-11 | 中国二十冶集团有限公司 | Connecting device and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5067844A (en) * | 1987-09-28 | 1991-11-26 | Erico International Corporation | Reinforcing bar coupler |
| EP1389658A1 (en) * | 2002-08-13 | 2004-02-18 | HALFEN GmbH & CO. Kommanditgesellschaft | Screw threaded joint for load transmitting bars |
| CN101260724A (en) * | 2008-04-18 | 2008-09-10 | 湖南大学 | Double layer sleeve barrel steel bar connector and its reinforcing steel bar connection construction method |
| CN201209294Y (en) * | 2008-04-29 | 2009-03-18 | 郝发义 | Reinforced bar screw regular polygon connecting sleeve |
| CN203440999U (en) * | 2013-08-20 | 2014-02-19 | 张晨 | Reinforced connecting sleeve for reinforced concrete members and assembling type building members |
-
2013
- 2013-08-20 CN CN201310362973.5A patent/CN103469967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5067844A (en) * | 1987-09-28 | 1991-11-26 | Erico International Corporation | Reinforcing bar coupler |
| EP1389658A1 (en) * | 2002-08-13 | 2004-02-18 | HALFEN GmbH & CO. Kommanditgesellschaft | Screw threaded joint for load transmitting bars |
| CN101260724A (en) * | 2008-04-18 | 2008-09-10 | 湖南大学 | Double layer sleeve barrel steel bar connector and its reinforcing steel bar connection construction method |
| CN201209294Y (en) * | 2008-04-29 | 2009-03-18 | 郝发义 | Reinforced bar screw regular polygon connecting sleeve |
| CN203440999U (en) * | 2013-08-20 | 2014-02-19 | 张晨 | Reinforced connecting sleeve for reinforced concrete members and assembling type building members |
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| CN103469967A (en) | 2013-12-25 |
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