CN204781614U - Tube -shape helical structure steel bar connector - Google Patents
Tube -shape helical structure steel bar connector Download PDFInfo
- Publication number
- CN204781614U CN204781614U CN201520484220.6U CN201520484220U CN204781614U CN 204781614 U CN204781614 U CN 204781614U CN 201520484220 U CN201520484220 U CN 201520484220U CN 204781614 U CN204781614 U CN 204781614U
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- reinforcing bar
- bar connector
- support ring
- millimeter
- longitudinal bracing
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Abstract
The utility model provides a tube -shape helical structure steel bar connector, including first support ring and first support ring, the external diameter of first support ring and second support ring equals, connects 2 at least longitudinal support ribs between first support ring and first support ring, connects the spiral on the longitudinal support rib outer wall and supports the rib, supports rib outer wall installation metal covering in the spiral. The utility model discloses thoroughly change the steel bar connector's among the prior art structure to solve not enough that prior art exists.
Description
Technical field
The utility model relates to the reinforcing steel bar connecting device used on buildings, is a kind of tubular helical structure reinforcing bar connector.
Background technology
Existing reinforcing bar connector is commonly called as grout sleeve, and it adopts thicker barrel to increase the intensity of grout sleeve.But, when barrel is thicker, what then the diameter of sleeve must do is larger, and larger-diameter grout sleeve in use cannot meet the concrete thickness requirement of stirrup outward between span building outer wall outside the building unit of national regulation, this thickness is referred to as topping, for plate, the topping of wall requires to be at least 15 millimeters, the protective layer thickness of building girder or post at least 20 millimeters, the deficiency of this grout sleeve is: due to the limited space in prefabricated units, when longitudinal reinforcement invariant position, the requirement that protective layer thickness outside grout sleeve and on building unit between stirrup can not be up to state standards, for this reason, longitudinal reinforcement in the concrete of prefabricated units must internally movement between two parties, to reach the thickness requirement of the topping increased between reinforcing bar connector and building unit stirrup, but, this will cause longitudinal reinforcement far from the outer wall of prefabricated component, therefore the ability that result in the resist torque of body of wall also diminishes, thus the stress performance of prefabricated units is reduced, meanwhile, when the topping in prefabricated units reaches thicker requirement, then longitudinal reinforcement can be caused to move to centre, affect the ability of the resist torque of prefabricated units, when prefabricated structure reinforcing bar moves inward, the ability of resist torque diminishes, therefore, the longitudinal reinforcement of prefabricated units is uniform in the both sides of component, can not concentrate mobile to centre, this just requires that the diameter of grout sleeve diminishes, little as far as possible to the middle displacement of precast wall body to meet the longitudinal reinforcement that grout sleeve connects.But, the aperture of grout sleeve is less, grouting amount is lower, bonding strength is caused to reduce, and require that shear wall first horizontal distribution reinforcing bar is 50 millimeters bottom wall according to national standard, but, the height of grout sleeve is generally greater than 100 millimeters, outside the grout sleeve being positioned at body of wall edge member part or shear wall coupling part, must one horizontal hoop be at least set, in this case, when transverse reinforcement is established at grout sleeve position again, then transverse reinforcement distance prefabricated units outer wall is narrower, the requirement of thickness of concrete cover cannot be met, sometimes there is reinforcing steel bars exposed phenomenon, cause reinforcing bar easy-to-rust, and reinforcing bar and concrete cannot be made jointly stressed, have a strong impact on construction quality, in addition, existing grout sleeve in use, in order to the requirement that is up to state standards, need add cracking resistance reinforcing bar in body of wall, prevents the stressed rear generation crack of concrete component, causes construction cost to increase, and difficulty of construction increases, the trapezoidal projection of ring-type on grout sleeve inwall easily produces fracture, causes its intensity significantly to reduce.
Utility model content
The purpose of this utility model is, provides a kind of tubular helical structure reinforcing bar connector, makes it thoroughly change the structure of reinforcing bar connector of the prior art, thus solves the deficiency of prior art existence.
The utility model for achieving the above object, be achieved through the following technical solutions: a kind of tubular helical structure reinforcing bar connector, comprise the first support ring and the first support ring, the external diameter of the first support ring and the second support ring is equal, at least 2 longitudinal bracing ribs are connected between the first support ring and the first support ring, longitudinal bracing rib outer wall connects spirality ribs, at spirality ribs outer wall, metallic sheath is installed.The cross section of longitudinal bracing rib is rectangle, and the cross section of spirality ribs is circular.The cross section of longitudinal bracing rib and spirality ribs is rectangle or circle.Longitudinal bracing rib is 3, every two longitudinal bracing ribs be spaced apart 120
0.The external diameter surface of longitudinal bracing rib outer wall surface and the first support ring and the second support ring is positioned at same vertical plane.The width L of longitudinal bracing rib
1be greater than the width L of spirality ribs
2.The thickness H of longitudinal bracing rib is 3-8 millimeter, width L
1for 4-10 millimeter.Metallic sheath profile is cylinder, and metallic sheath one end is that uncovered, the other end arranges through hole.
Reinforcing bar connector is designed to the tubular spiral space fenestral fabric be made up of reinforcing bar by the utility model, and it in use can meet the requirement of GB50010-2010 and JGJ1-2014 completely.When reinforcing bar connector grouting amount is constant, horizontal distribution muscle in prefabricated units or stirrup can be attached in the latticed space that corresponding longitudinal bracing rib and spirality ribs intersect by extrusion metal jacket wall by it in construction, avoid the space that horizontal distribution muscle in prefabricated units and stirrup occupy reinforcing bar connector outside, the distance between the maximum outside diameter of reinforcing bar connector and body of wall outward flange is made to remain within designing requirement, thus ensure that construction quality, particularly at bridge, in the heavy construction that tunnel etc. use column more, the distance between the maximum outside diameter of reinforcing bar connector and the outward flange of concrete construction is made to maintain design thickness more than 20 millimeters, completely eliminate building hidden danger, and make the bending resistance of body of wall improve 30-40%.Due to the feature of the utility model space networks grating texture, make mutual power transmission between the longitudinal bracing rib of reinforcing bar connector, spirality ribs, make reinforcing bar connector uniform force, tensile strength reaches 615-645MPa, the utility model own wt is lighter, the own wt of reinforcing bar connector can be made to alleviate about 50%-60% to existing product, and reach comparatively high-tensile simultaneously, thus save building costs.Construction method of the present utility model have be easy to construction, the advantages such as speed of application is fast, and in construction, the requirement of GB50010-2010 and JGJ1-2014 can be met completely simultaneously, the grouting amount of the grouting amount of reinforcing bar connector and prior art can be made to keep basically identical, can in construction, horizontal distribution muscle or stirrup be attached in the latticed space that longitudinal bracing rib and spirality ribs intersect by extrusion metal jacket wall, avoid the space that horizontal distribution muscle in prefabricated units and stirrup occupy reinforcing bar connector outside, the distance between the maximum outside diameter of reinforcing bar connector and body of wall outward flange is made to remain within designing requirement, thus solve various deficiency of the prior art, ensure that construction quality etc.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention; Accompanying drawing 2 is A-A sectional structure schematic diagrames in accompanying drawing 1; Accompanying drawing 3 is cross sectional representation that reinforcing bar connector of the present invention uses in construction, and the horizontal distribution muscle in main signal prefabricated units or stirrup are positioned at the position of reinforcing bar connector.Accompanying drawing 4 is that the B of accompanying drawing 3 is to structural representation.
Detailed description of the invention
A kind of tubular helical structure reinforcing bar connector described in the utility model, comprise the first support ring 1 and the first support ring 5, the external diameter of the first support ring 1 and the second support ring 5 is equal, at least 2 longitudinal bracing ribs 3 are connected between the first support ring 1 and the first support ring 5, longitudinal bracing rib 3 outer wall connects spirality ribs 4, install metallic sheath 9 at spirality ribs 4 outer wall, metallic sheath 9 profile is cylinder, and metallic sheath 9 one end is that uncovered, the other end arranges through hole 10.The utility model said structure can make reinforcing bar connector in building operations, meet national standard requirement; the thickness of the topping of plate, wall in construction is made to reach more than 15 millimeters; the thickness of beam, post topping reaches more than 20 millimeters; this is that the reinforcing bar connector of the various structure in current this area is beyond one's reach thickness, and the thickness of this topping building hidden danger not up to standard is also be difficult to monitoring.The feature that the utility model solves above-mentioned building hidden danger is very remarkable.Reinforcing bar connector described in the utility model generally adopts ductile iron manufacture, with reinforcing bar connector prepared by the material of ductile iron 600-3 model, its tensile strength is 615-645MPa, metallic sheath 9 in said structure can meet horizontal distribution muscle in prefabricated units or stirrup by squeezing in grid, the horizontal distribution muscle in prefabricated units or stirrup is made not to take the space of reinforcing bar connector outside, and further enhance the bonding strength of reinforcing bar connector simultaneously, the structure of metallic sheath 9 also can make concrete all enter in latticed cylindrical shell, the bonding strength of further raising reinforcing bar connector and reinforcing bar.
Further scheme of the present utility model is: the cross section of longitudinal bracing rib 3 is rectangle, the cross section of spirality ribs 4 is circular, its tensile strength can reach the highest test intensity, makes reinforcing bar connector reach good tensile strength scope, and can alleviate the weight of reinforcing bar connector self.
The cross section of longitudinal bracing rib 3 described in the utility model and spirality ribs 4 is rectangle or circle, can increase the tensile strength of reinforcing bar connector.
The preferred scheme of the utility model is: longitudinal bracing rib 3 is 3, every two longitudinal bracing ribs 3 be spaced apart 120
0this to make the preferred version that in building unit, horizontal cloth muscle or stirrup are adjacent in the space lattice of reinforcing bar connector; the distance between the maximum outside diameter of reinforcing bar connector and body of wall outward flange can be increased; the thickness of topping is made to remain within the requirement of design; thus significantly improve construction quality, and comparatively high-tensile can be reached.
The external diameter surface of longitudinal bracing rib 3 outer wall surface described in the utility model and the first support ring 1 and the second support ring 5 is positioned at same vertical plane, and the tensile strength of reinforcing bar connector can be made to reach better value.
The wall thickness L of metallic sheath 9 described in the utility model
4for metallic sheath 9 wall all can be made between 0.1-1.5 millimeter to produce distortion, be convenient to horizontal distribution muscle in prefabricated units or stirrup extrusion metal overlap 9 outer walls laggard enter in grid.The preferred version more easily producing distortion is: the wall thickness of metallic sheath 9 is L
4for 0.1-1.3 millimeter or 0.1-1.2 millimeter or 0.1-1 millimeter, the advantage realizing problem to be solved in the utility model and reach.The wall thickness of metallic sheath 9 is 0.1 millimeter in above-mentioned scope selectable value, 0.15 millimeter, 0.2 millimeter, 0.25 millimeter, 0.3 millimeter, 0.35 millimeter, 0.4 millimeter, 0.45 millimeter, 0.5 millimeter, 0.55 millimeter, 0.6 millimeter, 0.65 millimeter, 0.7 millimeter, 0.75 millimeter, 0.8 millimeter, 0.85 millimeter, 0.9 millimeter, 0.95 millimeter, 1.0 millimeter, 1.05 millimeter, 1.1 millimeter, 1.15 millimeter, 1.2 millimeter, 1.25 millimeter, 1.3 millimeter, 1.35 millimeter, 1.4 millimeter, 1.45 millimeters or 1.5 millimeters.
It is for subsequent use that construction method of the present utility model comprises the steps: 1. to prepare a kind of tubular helical structure reinforcing bar connector, tubular helical structure reinforcing bar connector has the first support ring 1 and the first support ring 5, the external diameter of the first support ring 1 and the second support ring 5 is equal, between the first support ring 1 and the first support ring 5, connect at least 2 longitudinal bracing ribs 3, longitudinal bracing rib 3 outer wall connects spirality ribs 4;
2. prepare metallic sheath 9 for subsequent use, the inner chamber of metallic sheath 9 is greater than latticed cylinder body outer wall, the wall thickness L of metallic sheath 9
4for 0.1-1.5 millimeter, metallic sheath 9 profile is cylinder, and metallic sheath 9 one end is that uncovered, the other end arranges through hole 10;
3. step metallic sheath 9 is 2. inserted on 1. described spirality ribs 4 outer wall of step, form tubular helical structure reinforcing bar connector;
4. step tubular helical structure reinforcing bar connector is 3. inserted in two any one prefabricated units needed in the prefabricated units connected, reinforcing bar one end in these prefabricated units is inserted in the cone cylinder 1 of tubular helical structure reinforcing bar connector, and is positioned at the grid 8 of tubular helical structure reinforcing bar connector after making the horizontal distribution muscle of these prefabricated units or the outer wall of stirrup by extrusion metal cover 9;
5. getting columnar mould inserts in the cylinder chamber (7) of tubular helical structure reinforcing bar connector, at columnar mould periphery concreting;
6., after concrete reaches some strength, take out columnar mould, make to leave concrete connecting hole in a kind of cylinder chamber (7) of tubular helical structure reinforcing bar connector;
7. the reinforcing bar in another prefabricated units is inserted in step connecting hole 6., construct after concreting in connecting hole complete.
The wall thickness L of the metallic sheath 9 described in above-mentioned construction method
4for metallic sheath 9 wall all can be made between 0.1-1.5 millimeter to produce distortion, be convenient to horizontal distribution muscle in prefabricated units or stirrup extrusion metal overlap 9 outer walls laggard enter in grid.The preferred version more easily producing distortion is: the wall thickness of metallic sheath 9 is L
4for 0.1-1.3 millimeter or 0.1-1.2 millimeter or 0.1-1 millimeter, the advantage realizing problem to be solved by this invention and reach.The wall thickness of metallic sheath 9 is 0.1 millimeter in above-mentioned scope selectable value, 0.15 millimeter, 0.2 millimeter, 0.25 millimeter, 0.3 millimeter, 0.35 millimeter, 0.4 millimeter, 0.45 millimeter, 0.5 millimeter, 0.55 millimeter, 0.6 millimeter, 0.65 millimeter, 0.7 millimeter, 0.75 millimeter, 0.8 millimeter, 0.85 millimeter, 0.9 millimeter, 0.95 millimeter, 1.0 millimeter, 1.05 millimeter, 1.1 millimeter, 1.15 millimeter, 1.2 millimeter, 1.25 millimeter, 1.3 millimeter, 1.35 millimeter, 1.4 millimeter, 1.45 millimeters or 1.5 millimeters.
In the utility model construction method, the cross section of longitudinal bracing rib 3 is rectangle, the cross section of spirality ribs 4 is circular, its tensile strength can reach the highest test intensity, makes reinforcing bar connector reach good tensile strength scope, and can alleviate the weight of reinforcing bar connector self.In the utility model construction method, the external diameter surface of longitudinal bracing rib 3 outer wall surface and the first support ring 1 and the second support ring 5 is positioned at same vertical plane, and the tensile strength of reinforcing bar connector can be made to reach better value.
Longitudinal bracing rib 3 in the utility model construction method and the cross section of spirality ribs 4 are rectangle or circle, its tensile strength can reach the highest test intensity, make reinforcing bar connector reach good tensile strength scope, and the weight of reinforcing bar connector self can be alleviated.Longitudinal bracing rib 3 in the utility model construction method is 3, every two longitudinal bracing ribs 3 be spaced apart 120
0this to make the preferred version that in building unit, horizontal cloth muscle or stirrup are adjacent in the space lattice of reinforcing bar connector; the distance between the maximum outside diameter of reinforcing bar connector and body of wall outward flange can be increased; the thickness of topping is made to remain within the requirement of design; thus significantly improve construction quality, and comparatively high-tensile can be reached.
The width L of the longitudinal bracing rib 3 of the space networks trellis structure reinforcing bars connector of the band cone cylinder described in the utility model construction method
1be greater than the width L of spirality ribs 4
2, the thickness H of preferred longitudinal bracing rib 3 is 3-8 millimeter, width L
1for 4-10 millimeter.This is the preferred parameter that the tensile strength of reinforcing bar connector reaches high value.In figure, D is space networks trellis cylindrical shell maximum outside diameter.In figure, 6 is first through holes, and 11 is grooves.
Claims (8)
1. a tubular helical structure reinforcing bar connector, it is characterized in that: comprise the first support ring (1) and the first support ring (5), the external diameter of the first support ring (1) and the second support ring (5) is equal, at least 2 longitudinal bracing ribs (3) are connected between the first support ring (1) and the first support ring (5), longitudinal bracing rib (3) outer wall connects spirality ribs (4), at spirality ribs (4) outer wall, metallic sheath (9) is installed.
2. a kind of tubular helical structure reinforcing bar connector according to claim 1, is characterized in that: the cross section of longitudinal bracing rib (3) is rectangle, and the cross section of spirality ribs (4) is circular.
3. a kind of tubular helical structure reinforcing bar connector according to claim 1, is characterized in that: the cross section of longitudinal bracing rib (3) and spirality ribs (4) is rectangle or circle.
4. a kind of tubular helical structure reinforcing bar connector according to claim 1, is characterized in that: longitudinal bracing rib (3) is 3, every two longitudinal bracing ribs (3) be spaced apart 120
0.
5. a kind of tubular helical structure reinforcing bar connector according to claim 1, is characterized in that: the external diameter surface of longitudinal bracing rib (3) outer wall surface and the first support ring (1) and the second support ring (5) is positioned at same vertical plane.
6. a kind of tubular helical structure reinforcing bar connector according to claim 1, is characterized in that: the width L of longitudinal bracing rib (3)
1be greater than the width L of spirality ribs (4)
2.
7. a kind of tubular helical structure reinforcing bar connector according to claim 6, is characterized in that: the thickness H of longitudinal bracing rib (3) is 3-8 millimeter, width L
1for 4-10 millimeter.
8. a kind of tubular helical structure reinforcing bar connector according to claim 1, is characterized in that: metallic sheath (9) profile is cylinder, and metallic sheath (9) one end is that uncovered, the other end arranges through hole (10).
Priority Applications (1)
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CN201520484220.6U CN204781614U (en) | 2015-07-07 | 2015-07-07 | Tube -shape helical structure steel bar connector |
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CN201520484220.6U CN204781614U (en) | 2015-07-07 | 2015-07-07 | Tube -shape helical structure steel bar connector |
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CN204781614U true CN204781614U (en) | 2015-11-18 |
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CN201520484220.6U Active CN204781614U (en) | 2015-07-07 | 2015-07-07 | Tube -shape helical structure steel bar connector |
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2015
- 2015-07-07 CN CN201520484220.6U patent/CN204781614U/en active Active
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 250200, Wang Luxi, Lu pan, No. five Longshan Industrial Park, Ji'nan, Shandong, Zhangqiu Patentee after: Shandong Wanda Technology Co., Ltd Address before: 250200, Wang Luxi, Lu pan, No. five Longshan Industrial Park, Ji'nan, Shandong, Zhangqiu Patentee before: SHANDONG ONE STAR CONSTRUCTION TECHNOLOGY Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |