CN102839786B - Connector with rotation-stop nuts, and installation method thereof - Google Patents
Connector with rotation-stop nuts, and installation method thereof Download PDFInfo
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- CN102839786B CN102839786B CN201210275334.0A CN201210275334A CN102839786B CN 102839786 B CN102839786 B CN 102839786B CN 201210275334 A CN201210275334 A CN 201210275334A CN 102839786 B CN102839786 B CN 102839786B
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Abstract
The invention relates to a connector with rotation-stop nuts. The connector comprises a connector body and the rotation-stop nuts mounted on the two ends of the connector body; wherein the two ends of the connector body are double-cone surfaces; rotation-stop keys with circular projections are arranged on the end portions of the second cone surfaces; the first cone surfaces are the outer cone surfaces of the rotation-stop keys; the inner hole of the connector body has continuous full thread matching with high-strength thread steel or steel bars; the rotation-stop nuts are two opposite half nuts; the inner hole of the nuts have threads matching with the high-strength thread steel or steel bars; one end of each rotation-stop nut has a position concave groove matching with the end socket inclined surface of the connector body and the rotation-stop keys; each half nut is provided with an ear plate and a bolt hole for installing a bolt; the two half nuts are connected into a whole through the bolt; and the outer diameter of each rotation-stop nut of the connector is the same as that of the connector body. The connector is simple in connection method, can make the steel connected compactly and reliably, saves installation space greatly, reduces labor intensity of the installation effectively, and increases installation efficiency.
Description
Technical field
The present invention relates to a kind of at field structural members such as building, bridge and prestressing force ground, particularly a kind of for connecting the connector of high-strength screw-thread steel muscle or rod iron.
Background technology
In fields such as building, bridge and prestressing force ground, widely apply high-strength screw-thread steel muscle or rod iron, what the spreading of high-strength screw-thread steel muscle or rod iron generally adopted is connector spreading.
The connector service load level of general high-strength screw-thread steel muscle or rod iron is higher, the reliable connecting length between two high-strength screw-thread steel muscle or rod iron and the connector that must ensure to be connected; Because being subject to the impact of place, mounting process and applying working condition, connector often gets loose phenomenon, cause the workload that needs repeatedly repeatedly to check and done over again, increased installation and inspection in actual use, also increased the security risk that engineering is used, reliability and the application life of having reduced anchor structure; Therefore, at present conventional high-strength screw-thread steel muscle or rod iron connector can not meet the growth requirement of prestress engineering.
In engineering application, conventional high-strength screw-thread steel muscle or rod iron connector 6 also uses locking nut 5 locking at present, as shown in Figure 5, but not rotation stopping function of locking nut 5, high-strength screw-thread steel muscle or rod iron 11,12 still can loose with locking nut entirety, connector can not ensure the reliability that high-strength screw-thread steel muscle or rod iron connect, entail dangers to engineering safety.
Summary of the invention
The object of the present invention is to provide a kind of connector and mounting method thereof with spline nut, by the spline nut being arranged on high-strength screw-thread steel muscle or rod iron, connector body is positioned; Can effectively improve the connection reliability of high-strength screw-thread steel muscle or rod iron by the connector of mounting strap spline nut, reduce the generation that engineering prestress anchoraging lost efficacy, the problems referred to above that exist to solve prior art.
The technical scheme addressing the above problem is: a kind of connector with spline nut, comprise connector body and the spline nut that is arranged on connector body two ends, the two ends of described connector body are Double-conical-surface, be positioned at first conical surface of connector body termination and the angle α of second conical surface is 0 ~ 10o, on the end of second conical surface, there is the spline key of annular protrusion, the male cone (strobilus masculinus) of turn key till first conical surface, the endoporus of connector body has the continuous full thread matching with high-strength screw-thread steel muscle or rod iron, described spline nut is the not nut of Kazakhstan that two halves are split, spline nut inner hole has the screw thread matching with high-strength screw-thread steel muscle or rod iron, one end of spline nut is with the detent matching with inclined-plane, connector body termination and spline key, every one side of something is breathed out the otic placode and the bolt hole that on nut not, there are erection bolt, two one side of something are breathed out not nut and are connected by bolt.
Its further technical scheme is: on described connector body the spline key of annular protrusion to be shaped as class trapezoidal.
Its further technical scheme be: one end of described spline nut with the groove matching with inclined-plane, connector body termination and spline key be by being positioned at the spline nut inner conical surface I of spline nut end holes inner side and being positioned at the spline nut inner conical surface II of spline nut end holes inner side and the annular pair inner conical surface detents that annular obtuse angle groove forms, annular obtuse angle groove shapes is the class trapezoidal groove matching with the shape of the spline key of annular protrusion on connector body.
The spline nut external diameter of described connector equates with connector body external diameter.
Another relevant technical scheme is: the mounting method of the connector of band spline nut of the present invention, and it comprises the following steps:
A. screw connector body
Connector body is first all screwed to the one end at indented bars or rod iron to be connected;
B. oppositely screw connector body
Another root is needed to the indented bars of spreading or the end face of rod iron and screwed the indented bars of connector body or the end face of rod iron is close on same axis, oppositely screw connector body and complete to marker location the installation of connector body;
C., spline nut is installed
Adopt one of following two kinds of modes that spline nut is installed:
A kind of mode is: Ha Fushi spline nut is snapped onto on the indented bars or rod iron in outside, connector body two ends, utilize the internal thread of spline nut by spline nut rotation direction connector, in the time that the two inner conical surface detents of annular are buckled connector spline key, bolt on locking spline nut, installation;
Another kind of mode is: Ha Fushi spline nut snapped onto on the spline key of connector body, and when rotation Ha Fushi spline nut coincide the screw thread on screw thread and indented bars or the rod iron on it, the bolt on locking spline nut, installation.
Owing to taking said structure, a kind of connector and mounting method thereof with spline nut of the present invention has following beneficial effect:
1. the connector with spline nut, by the double-locking to high-strength screw-thread steel muscle or rod iron and connector body, has been realized location and spline that connector is installed, can effectively prevent that connector from getting loose, and is conducive to ensure the reliability of high-strength screw-thread steel muscle or rod iron spreading:
The present invention's the connector with spline nut positions connector body by the spline nut being arranged on high-strength screw-thread steel muscle or rod iron, spline nut is in locking screw thread reinforcing bar, spline nut is also held connector body tightly, by the double-locking to high-strength screw-thread steel muscle or rod iron and connector body, location and spline that connector body is installed are realized like this; Effectively improve the connection reliability of high-strength screw-thread steel muscle or rod iron by the connector of mounting strap rotation stop device, reduced the generation that engineering prestress anchoraging lost efficacy.
2. the trapezoidal spline key of the class of connector body of the present invention end annular protrusion has increased the sectional area of connector body, effectively reduces the service load stress level of spline key, the axial installation of convenience and spline nut; And one end of spline nut with the groove matching with inclined-plane, connector body termination and spline key, strengthen the reliability that spline connects, make can not mutually rotate between connector with spline nut and high-strength screw-thread steel muscle or rod iron, effectively ensure the connecting length of connector and high-strength screw-thread steel muscle or rod iron, be conducive to raising and apply prestressed reliability and validity.
3. the connector with spline nut can be installed on the optional position of high-strength screw-thread steel muscle or rod iron, facilitates site operation.
4. its method of attachment is easy, and it is compact to make high-strength screw-thread steel muscle or rod iron connect, and greatly saves installing space, effectively reduces the labour intensity of installation, improves installation effectiveness:
Because the connector body of the technical program is the elongated continuous full thread of equal strength design, the connector that is different from other need to be installed ability connecting reinforcement or rod iron with positive/negative thread, when installation, this connector body is first all to screw the one end at indented bars or rod iron to be connected, oppositely screw again connector body, another root is needed to the indented bars of spreading or the end face of rod iron and screwed the indented bars of connector body or the end face of rod iron is close on same axis, oppositely screw connector body can complete connector body installation to marker location, secondly, spline nut is Ha Fushi, and it installs the installing space that does not take indented bars or rod iron and connector, reinforcing bar is connected compact.
The connector with spline nut below in conjunction with drawings and Examples to the present invention and the technical characterictic of mounting method thereof are described further.
Brief description of the drawings
Fig. 1: the structure of a kind of connector with spline nut of the present invention and install and use state reference map;
Fig. 2: the connector body structural representation (the main sectional view of looking) of the connector with spline nut shown in Fig. 1;
Fig. 3: the structural representation (the main sectional view of looking) of the spline nut of the connector with spline nut shown in Fig. 1;
Fig. 4-1～Fig. 4-3: the structural representation of spline nut;
Fig. 4-1: front view, Fig. 4-2: the top view (partly cuing open) of Fig. 4-1, Fig. 4-3: the A-A sectional view of Fig. 4-1;
Fig. 5: the structure of existing connector and use view.
In figure:
11,12-high-strength screw-thread steel muscle or rod iron, 2-spline nut, 201-is positioned at the spline nut inner conical surface I of spline nut end holes inner side, 202-is positioned at the spline nut inner conical surface II of spline nut end holes inner side, detent on 203-spline nut, annular obtuse angle groove on 2031-spline nut, the otic placode on 204-spline nut; 3-connector body, first conical surface in 301-connector body outside, second conical surface 302 in 302-connector body outside, the spline key of 303-connector body; 4-bolt, the locking nut of the existing connector of 5-, 6-has connector body.
Detailed description of the invention
Embodiment mono-: a kind of connector with spline nut
As shown in Figure 1, this connector with spline nut comprises connector body 3 and is arranged on the spline nut 2 at connector body two ends, the two ends of described connector body 3 are Double-conical-surface, be positioned at first conical surface 301 of termination and the angle α of second conical surface 302 is 0 ~ 10o, on the end of second conical surface 302, there is the spline key 303 of annular protrusion, the male cone (strobilus masculinus) (referring to Fig. 2) of turn key till first conical surface 301, the endoporus of connector body 3 has the continuous full thread matching with high-strength screw-thread steel muscle or rod iron; As Fig. 3, shown in Fig. 4-1～Fig. 4-3, described spline nut 2 is not nuts of Kazakhstan that two halves are split, spline nut inner hole has the screw thread matching with high-strength screw-thread steel muscle or rod iron, one end of spline nut 2 is with the detent 203 matching with inclined-plane, connector body termination and spline key, every one side of something is breathed out not has the otic placode 204 and the bolt hole that facilitate erection bolt on nut, and two one side of something are breathed out not nut and are connected by bolt 4.
On described connector body 3, the spline key 303 of annular protrusion is shaped as class trapezoidal (referring to Fig. 1, Fig. 2).
One end of described spline nut 2 with the groove 203 matching with connector body 3 inclined-planes, termination and spline key be by being positioned at the spline nut inner conical surface I 201 of spline nut end holes inner side and being positioned at the spline nut inner conical surface II 202 of spline nut end holes inner side and two inner conical surface detents 203 of annular that annular obtuse angle groove 2031 forms, annular obtuse angle groove 2031 shapes are the class trapezoidal grooves (referring to Fig. 3) that match with the shape of the spline key 303 of annular protrusion on connector body; Spline nut 2 external diameters of described connector equate (referring to Fig. 1) with connector body 3 external diameters.
Embodiment bis-: a kind of mounting method of the connector with spline nut, it comprises the following steps:
A. screw connector body
Connector body 3 is first all screwed to the one end at indented bars to be connected or rod iron 11;
B. oppositely screw connector body
Another root is needed to the indented bars of spreading or the end face of rod iron 12 and screwed the indented bars of connector body 3 or the end face of rod iron 11 is close on same axis, oppositely screw connector body 3 and complete to marker location the installation of connector body 3;
C., spline nut is installed
Ha Fushi spline nut is snapped onto on the indented bars or rod iron in connector body 3 outsides, two ends, utilize the internal thread of spline nut by spline nut rotation direction connector, in the time that the two inner conical surface detents 203 of annular are buckled connector spline key 303, bolt 4 on locking spline nut, installation.
As the one conversion of the embodiment of the present invention, described C. installs spline nut step also can adopt following another kind of method, that is: Ha Fushi spline nut is snapped onto on the spline key 303 of connector body 3, when rotation Ha Fushi spline nut coincide the screw thread on screw thread and indented bars or the rod iron on it, bolt 4 on locking spline nut, installation.
Claims (5)
1. the connector with spline nut, it is characterized in that: comprise connector body (3) and be arranged on the spline nut (2) at connector body two ends, the two ends of described connector body (3) are Double-conical-surface, be positioned at first conical surface (301) of connector body (3) termination and the angle α of second conical surface (302) is 0 ~ 10o, on the end of second conical surface (302), there is the spline key (303) of annular protrusion, the male cone (strobilus masculinus) of turn key till first conical surface (301), the endoporus of connector body (3) has the continuous full thread matching with high-strength screw-thread steel muscle or rod iron, described spline nut (2) is the not nut of Kazakhstan that two halves are split, spline nut inner hole has the screw thread matching with high-strength screw-thread steel muscle or rod iron, one end of spline nut is with the detent (203) matching with inclined-plane, connector body termination and spline key, every one side of something is breathed out the otic placode (204) and the bolt hole that on nut not, there are erection bolt, two one side of something are breathed out not nut and are connected by bolt (4).
2. the connector with spline nut according to claim 1, is characterized in that: the vertical sectional shape of the spline key (303) of the upper annular protrusion of described connector body (3) is that class is trapezoidal.
3. the connector with spline nut according to claim 2, it is characterized in that: one end of described spline nut (2) with the groove (203) matching with connector body (3) inclined-plane, termination and spline key be by being positioned at the spline nut inner conical surface I (201) of spline nut end holes inner side and being positioned at the spline nut inner conical surface II (202) of spline nut end holes inner side and the annular pair inner conical surface detents (203) that annular obtuse angle groove (2031) forms, annular obtuse angle groove (2031) vertical sectional shape is the class trapezoidal groove matching with the shape of the spline key (303) of annular protrusion on connector body.
4. the connector with spline nut according to claim 1, is characterized in that: spline nut (2) external diameter of described connector equates with connector body (3) external diameter.
5. the mounting method of the connector with spline nut according to claim 1, is characterized in that: it comprises the following steps:
A. screw connector body
Connector body (3) is first all screwed to the one end at indented bars to be connected or rod iron (11);
B. oppositely screw connector body
Another root is needed to the indented bars of spreading or the end face of rod iron (12) and screwed the indented bars of connector body (3) or the end face of rod iron (11) is close on same axis, oppositely screw connector body (3) and complete the installation of connector body (3) to marker location;
C., spline nut is installed
Adopt one of following two kinds of modes that spline nut is installed:
A kind of mode is: Ha Fushi spline nut is snapped onto on the indented bars or rod iron in outside, connector body (3) two ends, utilize the internal thread of spline nut by spline nut rotation direction connector, in the time that the two inner conical surface detents (203) of annular are buckled connector spline key (303), bolt (4) on locking spline nut, installation;
Another kind of mode is: Ha Fushi spline nut is snapped onto on the spline key (303) of connector body (3), when rotation Ha Fushi spline nut coincide the screw thread on screw thread and indented bars or the rod iron on it, bolt (4) on locking spline nut, installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210275334.0A CN102839786B (en) | 2012-08-03 | 2012-08-03 | Connector with rotation-stop nuts, and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210275334.0A CN102839786B (en) | 2012-08-03 | 2012-08-03 | Connector with rotation-stop nuts, and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102839786A CN102839786A (en) | 2012-12-26 |
| CN102839786B true CN102839786B (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210275334.0A Active CN102839786B (en) | 2012-08-03 | 2012-08-03 | Connector with rotation-stop nuts, and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102839786B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850535A (en) * | 1972-09-11 | 1974-11-26 | Hewlett Machines Works | Connecting means and method for forming reinforcing rod connection |
| JPS5070374U (en) * | 1973-10-30 | 1975-06-21 | ||
| KR100411242B1 (en) * | 2001-10-16 | 2003-12-18 | (주)윈윈개발 | Universal nut type steel-frame coupling device |
| KR20070054417A (en) * | 2005-11-23 | 2007-05-29 | 김용근 | Threaded sleeve for coupling the threaded deformed reinforcing bars |
| KR20060052756A (en) * | 2006-04-25 | 2006-05-19 | 노현수 | Steel reinforcment joint devices |
| CN201292612Y (en) * | 2008-11-07 | 2009-08-19 | 歌山建设集团有限公司 | Novel steel bar connector |
| CN202787670U (en) * | 2012-08-03 | 2013-03-13 | 柳州欧维姆机械股份有限公司 | Connector with rotating stop nuts |
-
2012
- 2012-08-03 CN CN201210275334.0A patent/CN102839786B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102839786A (en) | 2012-12-26 |
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