CN1723324A - Reinforcing bar coupler - Google Patents
Reinforcing bar coupler Download PDFInfo
- Publication number
- CN1723324A CN1723324A CNA2004800020207A CN200480002020A CN1723324A CN 1723324 A CN1723324 A CN 1723324A CN A2004800020207 A CNA2004800020207 A CN A2004800020207A CN 200480002020 A CN200480002020 A CN 200480002020A CN 1723324 A CN1723324 A CN 1723324A
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- Prior art keywords
- sleeve
- chock
- rebar connector
- sticking department
- shape part
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The object of this invention is to provide a reinforcing bar coupler coupling reinforcing bars in a mechanical coupling method, thus ensuring prompt and easy coupling operation and allowing the reinforcing bars to be firmly coupled to each other. The reinforcing bar coupler includes a cylindrical sleeve. The sleeve is opened at a surface thereof, and has a first seating groove on an inner surface thereof so that ends of reinforcing bars are seated therein, and a pair of first locking parts each having a first slant surface. A cover unit has a second seating groove on a surface thereof to cover the reinforcing bars seated in the first seating groove of the sleeve. A wedge has a pair of second locking parts each having a second slant surface, and is fitted into the sleeve to wedge the cover unit and the reinforcing bars in the sleeve.
Description
Technical field
Present invention relates in general to rebar connector, and relate in particular to a kind of rebar connector that the method for attachment of reinforcing bar by machinery coupled together of being designed to, thereby, when reinforcing bar is connected to each other in reinforced concrete structure, can guarantee to obtain quick and easy attended operation, and make reinforcing bar to connect securely each other.
Background technology
The method of currently used connecting reinforcement has multiple, for example bridging method, air pressure welding method, threaded connection method etc.Wherein, the bridging method that is carried out is generally adopted in such a manner, and the end that is about to reinforcing bar overlaps along its certain length, and the end that overlaps mutually with wire binding together.Yet bridging method has a shortcoming, is that the effect of the reinforcing bar tensile load that overlapped is weak.As for the air pressure welding method, operate as followsly, that is, the end of reinforcing bar is correct each other to be connected, and the end of reinforcing bar is welded to one another together by the oxy-acetylene welding termination process.Yet the problem that gas welding method exists is, carries out gas pressure welding termination process complex procedures, and is time-consuming longer, and the welding portion poor heat resistance of reinforcing bar needs further subsequent examination.The threaded connection method operation is as follows: be formed with external screw thread on the end of each reinforcing bar; Connector by having internal thread on the inner surface is connected to each other the end of reinforcing bar., the problem that threaded connection method has is, the end of reinforcing bar must tapping, and long reinforcing bar must connect with spiral fastening method when adjusting to a line each other, and so, threaded connection method is difficult to operation.Another problem that threaded connection method has is, the part that has screw thread on each reinforcing bar is compared with the remainder of reinforcing bar, and diameter is little, and so, thread segment is weak using of stretch-proof load.
Summary of the invention
Therefore, consider the above-mentioned problems in the prior art, made the present invention.The rebar connector that the purpose of this invention is to provide a kind of machinery, comprise sleeve, lid shape part and chock, so, by adopting simple fullering tool or hydraulic tool that chock is fixed to reinforcing bar is connected to each other, thereby guarantee to obtain quick and easy attended operation, and make reinforcing bar to connect securely each other.In addition, sleeve axially opens wide on its one side, forms opening, and like this, the workman can observe with the naked eye the inside of sleeve when carrying out attended operation, and attended operation is faster to be finished more easily thereby make.And, can adopt forcing press to make the element of rebar connector, thereby can carry out the batch process of rebar connector, and therefore reduce the cost of rebar connector significantly with steel plate.
Another object of the present invention provides a kind of rebar connector of machinery, this connector makes reinforcing bar be connected to each other in the mode of overlap joint, thereby provide a kind of quick and easy attended operation, such attended operation is compared with the bridging method that adopts tie wire, has higher resistant function to stretching or compressive load, and the length in the overlap joint zone of reinforcing bar is than short, thereby increased the adjacent distance that is connected between the reinforcing bar, therefore makes concrete pouring operation finish easily.
Another purpose of the present invention provides a kind of rebar connector, makes the element of rebar connector needn't adopt the such additional process of for example tapping to make, and therefore can reduce the manufacturing cost of rebar connector.
In addition, another purpose of the present invention provides a kind of rebar connector, adopt identical standard but on the size of reinforcing bar, may have the reinforcing bar of difference slightly with the difference of manufacturing enterprise although can connect, as long as reinforcing bar has the latitudinal ribs of same shape, and no matter the latitudinal ribs of reinforcing bar is circle or semicircular.
To achieve these goals, the invention provides a kind of rebar connector, this connector comprises a cylindrical sleeve, this cylindrical sleeve is opened wide on one face, and have first holddown groove of axial arrangement in sleeve, be used to settle the end of reinforcing bar, and have two first sticking departments that have first inclined-plane separately; And comprise a lid shape part, this lid shape part has and is axially disposed within second holddown groove that covers in the shape part, is used to cover the reinforcing bar in first holddown groove that is placed in sleeve; And comprise a chock, this chock comprises two second sticking departments that have second inclined-plane separately.Like this, chock is axially inserted in the sleeve, places between first sticking department and lid shape part of sleeve, and so, chock is the reinforcing bar wedging in lid shape part and the sleeve, thereby makes reinforcing bar connection securely each other.
The accompanying drawing summary
Above-mentioned and other purpose, characteristics and other advantage of the present invention from the following detailed description, can more clearly figure out in conjunction with the accompanying drawings, wherein:
Fig. 1 is the exploded perspective illustration according to the rebar connector of first embodiment of the invention;
Fig. 2 is the lateral view of the rebar connector of Fig. 1, and wherein, two reinforcing bars are connected to each other by rebar connector;
Fig. 3 is the sectional view of being done along the C-C line of Fig. 2;
Fig. 4 is the sectional view of being done along the D-D line of Fig. 2;
Fig. 5 is the phantom drawing of the rebar connector of Fig. 1, and wherein, reinforcing bar is connected to each other by rebar connector;
Fig. 6 is the sectional view of being done along the C-C line of Fig. 2, has shown the rebar connector according to the modified version of first embodiment of the invention, and wherein, rebar connector comprises the additional rib seat between the rib seat of additional rib seat between the rib seat of sleeve and lid shape part;
Fig. 7 is the exploded perspective illustration according to the rebar connector of second embodiment of the invention;
Fig. 8 is the phantom drawing of the included chock of the rebar connector of Fig. 7;
Fig. 9 is the lateral view from the rebar connector of the shown Fig. 7 of the leading end of chock, and wherein, two reinforcing bars are connected to each other by this rebar connector;
Figure 10 is the sectional view of being done along the E-E line of Fig. 9;
Figure 11 is the phantom drawing of the rebar connector of Fig. 7, and wherein, reinforcing bar is connected to each other by this rebar connector;
Figure 12 is the phantom drawing of the rebar connector of Fig. 7, and wherein, reinforcing bar is connected to each other by a plurality of rebar connectors;
Figure 13 is the lateral view according to the rebar connector of the modified version of second embodiment, and wherein, different with the rebar connector of Fig. 7 is that the sticking department of the sticking department of sleeve and lid shape part is protruding;
Figure 14 is the exploded perspective illustration according to the rebar connector of third embodiment of the invention;
Figure 15 is the phantom drawing of the included chock of the rebar connector of Figure 14;
Figure 16 is that wherein, the shape that this chock had is different with the chock of Figure 15 according to the phantom drawing of the included chock of the rebar connector of the modified version of three embodiment;
Figure 17 is the lateral view from the rebar connector of the shown Figure 14 of the hammering end of chock, and wherein, two reinforcing bars are connected to each other by rebar connector;
Figure 18 is the sectional view of being done along the G-G line of Figure 17;
Figure 19 is the sectional view of being done along the H-H line of Figure 17;
Figure 20 is the exploded perspective illustration according to the rebar connector of four embodiment of the invention;
Figure 21 is the lateral view of the rebar connector of Figure 20, and wherein, reinforcing bar is connected to each other by rebar connector;
Figure 22 is the sectional view of being done along the A-A line of Figure 21;
Figure 23 is the phantom drawing of the rebar connector of Figure 20, and wherein, reinforcing bar is connected to each other by rebar connector;
Figure 24 is the sectional view of having done along the A-A line of Figure 21, has shown the rebar connector according to the modified version of the 4th embodiment, and wherein, the notched bars that rebar connector is used to have semicircle rib links together;
Figure 25 is the exploded perspective illustration according to the rebar connector of fifth embodiment of the invention;
Figure 26 is the lateral view of the rebar connector of Figure 25, and wherein, two reinforcing bars are connected to each other by rebar connector;
Figure 27 is the sectional view of being done along the B-B line of Figure 26;
Figure 28 is the phantom drawing of the rebar connector of Figure 25, and wherein, reinforcing bar is connected to each other by rebar connector;
Figure 29 is the sectional view of being done along the B-B line of Figure 26, has shown the rebar connector according to first modified version of the 5th embodiment, and wherein, the notched bars that rebar connector is used to have semicircle rib links together;
Figure 30 is the sectional view of being done along the B-B line of Figure 26, has shown the rebar connector according to second modified version of the 5th embodiment, and wherein, the notched bars that rebar connector is used to have semicircle rib links together;
Figure 31 is the exploded perspective illustration according to the rebar connector of sixth embodiment of the invention;
Figure 32 is the phantom drawing of the included chock of the rebar connector of Figure 31;
Figure 33 is that wherein, the shape that chock had is different with the chock of Figure 32 according to the phantom drawing of the included chock of the rebar connector of the modified version of the 6th embodiment;
Figure 34 is the lateral view from the rebar connector of the shown Figure 31 of the hammering end of chock, and wherein, two reinforcing bars are connected to each other by rebar connector; And
Figure 35 is the sectional view of being done along the F-F line of Figure 34.
Implement best mode of the present invention
Introduced in conjunction with the accompanying drawings now, wherein, the same reference numerals that in different accompanying drawings, is adopted, expression be identical or similar parts.
Fig. 1 to 6 has shown a kind of rebar connector according to first embodiment of the invention.According to this first embodiment, first and second reinforcing bars 1 are connected each other like this with 1a,, adopt the single chock 4 of a sleeve opening wide 2, lid shape part 3 and on one face that is, make the end of first and second reinforcing bars 1 and 1a overlap.
The both sidewalls 25 of sleeve 2 extends upward from the outer rim of holddown groove 24, faces with each other.Interval between the both sidewalls 25 is longer slightly than being placed in the distance that first and second reinforcing bars 1 in the holddown groove 24 and 1a be between the warp-wise rib 11 in the outside, thereby makes that covering shape part 3 can easily be placed in the sleeve 2.
And sleeve 2 comprises two sticking departments 27, and being used to lock will be at the sticking department 45 of chock 4 described below.Each sticking department 27 forms the cross section of " U " shape from the upper limb vertical extent of the sidewall 25 that adjoins mutually.In this case, two sticking departments 27 are not connected to each other, and inclined-plane 29 is along the inner surface axial formation of each sticking department 27, to contact with the inclined-plane that adjoins mutually 46 of chock 4 described below.
On the external surface of sleeve 2, be provided with many latitudinal ribs 22 and many warp-wise ribs 21, the shape that latitudinal ribs 22 and warp-wise rib 21 are had is the same with latitudinal ribs 12 and the warp-wise rib 11 of first and second reinforcing bars 1 and 1a, thereby has strengthened the adhesive power between first and second reinforcing bars 1 and 1a and the concrete.
And many rib seats 32 are formed on the holddown groove 31 that covers shape part 3, and the shape that is had is identical with the rib seat 26 of sleeve 2.
Chock 4 is longer slightly than covering shape part 3 on length, equates with lid shape part 3 on width.Chock 4 comprise one with the parallel surface 33 contacted parallel surfaces 43 of lid shape part 3.Serrated face 43a is formed on the predetermined portions of parallel surface 43, to be meshed with serrated face 33a with lid shape part 3.One or more grooves 44 axially form along parallel surface 43, with the parallel surface 33 contacted surface areas of minimizing with lid shape part 3, thereby make chock 4 easily insert in the sleeve 2, are positioned in this way between the sticking department 27 that covers shape part 3 and sleeve 2.Flat interlude 47 is formed on one side relative with the parallel surface 43 of chock 4.Two sticking departments 45 extend from the opposite side of interlude 47, form one " U " tee section, thereby are meshed with the sticking department 27 of sleeve 2.Inclined-plane 46 axially forms along the external surface of each sticking department 45, and narrows down gradually on the direction of its second end along the first end from each sticking department 45, thereby closely contacts with the inclined-plane 29 of each sticking department 27 of sleeve 2.
Below will the operation according to the rebar connector of first embodiment be described in detail.
At first, first and second reinforcing bars 1 and 1a are so placed, and make the end of first and second reinforcing bars 1 and 1a overlap mutually along certain length.The workman holds and moving sleeve 2, and first and second reinforcing bars 1 and 1a overlapped 23 li of the openings that the end is received in sleeve 2 mutually.First and second reinforcing bars 1 and 1a are disposed into the holddown groove 24 of sleeve 2.Then, lid shape part 3 from the end axis of sleeve to the sleeve 2 of packing into, to cover first and second reinforcing bar 1 and the 1a.Then, the leading end 41 of chock 4 is inserted space between the sticking department 27 of the parallel surface 33 that covers shape part 3 and sleeve 2.Then, adopt hammering end 42 such as the such instrument hammering chock 4 of hammer or hydraulic jack.When chock 4 inserts in the sleeve 2, the inclined-plane 29 of the sticking department 27 of sleeve 2 closely contacts with the inclined-plane 46 of the sticking department 45 of chock 4, so, chock 4 friction top shape parts 3, and lid shape part 3 compresses the external surface of first and second reinforcing bars 1 and 1a consumingly, thereby makes first and second reinforcing bars 1 be connected securely each other with 1a.
, be mainly used in the reinforcing bar that to have than minor diameter and be connected to each other reinforcing bar rebar connector connected to one another with bridging method.Yet such rebar connector can be used to be joined to one another having larger-diameter reinforcing bar in the installation process of reinforcing bar.Rebar connector of the present invention is suitable with conventional rebar connector, and wherein, rebar connector is connected to each other, and is that the end by rebar connector overlaps mutually along certain length., different with the conventional rebar connector that adopts tie wire is that rebar connector according to the present invention is by the rebar connector that comprises sleeve 2, lid shape part 3 and the machinery of chock 4 reinforcing bar to be connected to each other to be in the same place.Therefore, rebar connector of the present invention can make attended operation easily carry out, thereby has reduced man-hour.And rebar connector of the present invention can make the lap length of the reinforcing bar that is connected reduce, thereby has reduced cost.Because when connected reinforcing bar was installed, the adjacent distance that is connected between the reinforcing bar increased, thus can be densely, in depth and equably with concrete pouring in the mould made from concrete blinding, thereby increased the intensity of reinforced concrete structure.And, to compare with the conventional rebar connector that adopts the tie wire connecting reinforcement, rebar connector of the present invention can make the part that is connected of reinforcing bar have the higher resistant function to stretching or compressive load.
Fig. 6 has shown a kind of rebar connector of the modified version according to first embodiment.Between the rib seat 26 of the holddown groove 24 of sleeve 2, disposed additional rib seat 26, between the rib seat 32 of the holddown groove 31 that covers shape part 3, disposed additional rib seat 32, make latitudinal ribs 12 can be placed in rib seat 26 and 32 thus, and no matter the shape of latitudinal ribs 12 is circle or semicircular.Particularly, be connected to each other when first and second reinforcing bars 1 and the 1a end by reinforcing bar 1 and 1a overlaps mutually, the latitudinal ribs 12 of first and second reinforcing bars 1 and 1a must be inserted the rib seat 26 of sleeve 2 and the rib seat 32 of lid shape part 3 simultaneously.In the case, the latitudinal ribs 12 of first and second reinforcing bars 1 and 1a may have same shape, as circular or semicircle, still, one of them of reinforcing bar 1 and 1a may have rounded latitudinal ribs 12, and another reinforcing bar 1 or 1a may have the latitudinal ribs 12 of semicircular in shape.But, between rib seat 26,32, disposed additional rib seat 26,32, thereby made the latitudinal ribs 12 of reinforcing bar 1 and 1a can insert rib seat 26 and 32 simultaneously.
Fig. 7 to 13 has shown a kind of rebar connector according to second embodiment of the invention.The rebar connector of second embodiment is identical with the rebar connector of first embodiment, adopts except being connected to each other not of first and second reinforcing bars 1 and 1a and cover shape part 3 but only by with carrying out among the chock 4a insertion sleeve 2a.
Sleeve 2a has identical structure with the sleeve of first embodiment.In addition, configurable additional rib seat 26 between the rib seat 26 of the holddown groove 24 of sleeve 2a is used to admit its latitudinal ribs 12 to be first and second reinforcing bar 1 and the 1a of multiple shape, as shown in Figure 6.
The leading end 41 of chock 4a is cut sth. askew, when being hammered into shape among the sleeve 2a that is settling first and second reinforcing bars 1 and 1a with convenient chock 4a, chock 4a can successfully slip among the sleeve 2a, and is not hindered by the external surface of first and second reinforcing bars 1 and 1a or latitudinal ribs 12.Formed with the contacted parallel surface of first and second reinforcing bars 1 and 1a 43 is serrated face 43a entirely, directly to compress the external surface of first and second reinforcing bars 1 and 1a.And, as shown in Figure 8, disposed projection with right angle trigonometry cross section at the hammering end 42 of the interlude 47 of chock 4a, so, when chock 4a was hammered into shape among the sleeve 2a, chock 4a can't be hindered by the external surface of first and second reinforcing bars 1 and 1a.
Figure 13 has shown the rebar connector according to the modified version of second embodiment.The rebar connector of Figure 13 is the same with the rebar connector of second embodiment, except the cross section of the sticking department 45 of the sticking department 27 of sleeve 2a and chock 4a is different.In the rebar connector of Figure 13, the sticking department 27 of sleeve 2a stretches out from the upper limb of sidewall 25, with perpendicular to sidewall 25.Inclined-plane 29 is along the soffit of each sticking department 27 and form, and is inclined upwardly along the direction from the outer rim of the soffit of each sticking department 27 to its inner rim.The sticking department 45 of chock 4a is stretched from the opposite side facing epitaxy of interlude 47, and before serrated face 43a bending is with formation " U " tee section, is bent downwardly earlier.Inclined-plane 46 forms along the extending internally upper surface partly of each sticking department 45, thereby corresponding with the inclined-plane 29 of sleeve 2a.The general structure of the rebar connector of Figure 13 is the same with the rebar connector of second embodiment still with operation.
Employing is described below according to the method for attachment that rebar connector carried out of second embodiment.
At first, first and second reinforcing bars 1 and 1a are placed side by side in the holddown groove 24 of sleeve 2a, and the end of first and second reinforcing bars 1 and 1a is overlapped mutually along certain length.Then, chock 4a loosely is inserted among the sleeve 2a, be placed between first and second reinforcing bars 1 and 1a and sticking department 27 that sleeve 2a admitted, adopt fullering tool hammering chock 4a then.At this moment, the inclined-plane 29 of sleeve 2a closely contacts with the inclined-plane 46 of chock 4a, makes the serrated face 43a of chock 4a compress the external surface of first and second reinforcing bars 1 and 1a forcefully, thereby makes first and second reinforcing bars 1 and 1a couple together securely each other.
The rebar connector of second embodiment can substitute tie wire, is used for overlapping mutually by the end that makes reinforcing bar reinforcing bar is joined to one another.Compare with the reinforcing bar attended operation of adopting tie wire, the rebar connector of second embodiment has more fabulous workability, and reinforcing bar is connected each other more firmly.And, as shown in figure 12, one or more rebar connectors can be installed on the overlap joint zone of reinforcing bar.So, the number of rebar connector can optionally be regulated.
Figure 14 to 19 has shown the rebar connector according to third embodiment of the invention.The rebar connector of the 3rd embodiment has identical structure and element with first embodiment, except the manufacturing of sleeve 2b and chock 4b is by adopting forcing press to make the steel plate plastic strain with predetermined thickness make each sleeve 2b and chock 4b so that they have the constant thickness.In view of the above, sleeve 2b has constant thickness on the whole, and has formed semicircle prominent rib on the external surface of the holddown groove 24 of sleeve 2b, semicircle prominent rib in residing position corresponding to the rib seat 26 of holddown groove 24, thereby serve as latitudinal ribs 24 for sleeve 2,2a.And the manufacturing of chock 4b carries out the steel plate plastic strain by adopting forcing press, and so, chock 4b has constant thickness on the whole.In order to prevent that chock 4b from removing from the position between the sticking department 27 of lid shape part 3b and sleeve 2b, formed serrated face 43a at the predetermined portions of parallel surface 43.Perhaps, the inner surface of each sticking department 27 forms and the width that has is slightly smaller than the width of each sticking department 45 of chock 4b, like this, can pin the sticking department 27 of sleeve 2b securely in the part of sticking department 45 contiguous leading ends 41, thereby prevent that chock 4b from removing from sleeve 2b.As shown in figure 15, the hammering end 42 of the interlude 47 of chock 4b forms the lug boss of " V " shape from respect to projection on the direction of parallel surface 43.The lug boss of " V " shape makes the hammering face of chock 4b increase, thereby chock 4b is gone into by hammer under the situation that not stopped by first and second reinforcing bars 1 and 1a.And the steel plate with constant thickness is cut into trapezoidal, with forcing press its two edges is bent upwards then, to form the sticking department 45 of chock 4b.Inclined-plane 46 forms by this way along each sticking department 45, that is, the height on inclined-plane 46 reduces to its second end gradually from the first end of each sticking department 45.As shown in figure 16, the groove 44 with " V " type cross section axially forms along the interlude 47 of chock 4b, so that has reduced and the contacted surface area of lid shape part 3b.
Employing is still identical with first embodiment according to the connecting method for reinforcing bars that the rebar connector of the 3rd embodiment carries out.
In the rebar connector of the 3rd embodiment, sleeve 2b opens wide on its one side.Therefore, can make sleeve 2b by adopting forcing press processing steel plate, thereby realize the batch process of rebar connector, and therefore considerably reduce the cost of rebar connector.
Figure 20 to 24 has shown the rebar connector according to four embodiment of the invention.The rebar connector of the 4th embodiment is connected first and second reinforcing bars 1 and 1a in the delegation under situation the about end of reinforcing bar 1 and 1a not being overlapped.This rebar connector comprises sleeve 2c, lid shape part 3c and a pair of chock 4c that has opened wide one side.The general structure of the rebar connector of the 4th embodiment is still identical with first embodiment with operation, except first and second reinforcing bars 1 and 1a are linked to be the delegation.The structure of the rebar connector of the 4th embodiment is described below, that is, along the internal surface configurations of sleeve 2c single holddown groove 24, along the surface configuration of lid shape part 3c single holddown groove 31, and chock 4c is made of a pair of chock 4c.
The inclined-plane 29 of the sticking department 27 of formed sleeve 2c has the diameter that increases gradually along the direction from the central part of sleeve 2c to its two ends, so that a pair of chock 4c inserts the sleeve 2c from the two ends that having of sleeve 2c increases diameter gradually.Because first and second reinforcing bars 1 and 1a are delegation and couple together, first and second reinforcing bars 1 and 1a axially are loaded among the sleeve 2c, make the leading end of reinforcing bar 1 and 1a extend into the holddown groove 24 of sleeve 2c and the core of the holddown groove 31 of lid shape part 3c.Core in holddown groove 24 and 31 is respectively equipped with depression 28 and 34.Semicircular depression 28 and 34 has one and three width that the width between the latitudinal ribs 12 is suitable separately, and is deeper than the rib seat 26,32 that adjoins mutually on the degree of depth slightly.Therefore, may be crooked during the leading end of first and second reinforcing bars 1 and 1a is adopting forcing press to cut, in the time of perhaps may occurring than big protruding of first and second bar diameters, depression 28 and 34 can make crooked leading end or projection fully be admitted wherein, and the latitudinal ribs 12 of first and second reinforcing bars 1 and 1a is fully placed between sleeve 2c and the lid shape part 3c.
Paired serrated face 33a is formed at the two ends of the parallel surface 33 that covers shape part 3c.Chock 4c is made of a pair of chock 4c, and is about half of length of sleeve 2c on length.Serrated face 43a is formed at an end of the parallel surface 43 of each chock 4c.
Figure 24 has shown the rebar connector according to the modified version of the 4th embodiment.Need not adopt under the situation that is different from the lid shape part that covers shape part 3c, the rebar connector of Figure 24 can be used for connecting notched bars 1 and 1a, and notched bars 1 and 1a are designed like this, and promptly its latitudinal ribs 12 staggers each other with respect to the warp-wise rib 11 that adjoins.The rebar connector of Figure 24 can be used for making notched bars 1 and 1a to be connected to each other, and no matter the latitudinal ribs 12 of each notched bars is circle or semicircular.For notched bars 1 and 1a are connected to each other by adopting single kind of rebar connector, lid shape part 3c manufactures on length longer slightly than sleeve 2c, grows half that is equivalent to approximately between the rib seat 32 at interval.In addition, outside rib seats 32 is arranged on the two ends of covering shape part 31, thereby makes the latitudinal ribs 12 with different shape can place rib seat 32.And the parallel surface 33 of formed lid shape part 3c is flat rather than oblique, and the parallel surface 43 of each the chock 4c that forms also is flat.Therefore, 3c is loaded among the sleeve 2c when lid shape part, can adjust the position of cover shape part 3c so that lid shape part 3c from the end axis of sleeve 2c to stretching out, extension elongation is about half of interval between the latitudinal ribs 12.In the case, a pair of chock 4c inserts the sleeve 2c from the two ends of sleeve 2c respectively, places between the sticking department 27 that covers shape part 3c and sleeve 2c.At this moment, a pair of chock 4c has inserted identical distance from the two ends of sleeve 2c.Like this, two chock 4c are the entire portion of the parallel surface 33 of wedging lid shape part 3c equably, makes that covering shape part 3c compresses first and second notched barss 1 that place sleeve 2c and the external surface of 1a fully.Thus, first and second notched barss 1 and 1a are coupled together each other securely.In addition, have with same standard same thickness but the variform notched bars 1 and the 1a of latitudinal ribs 12, can be connected to each other by rebar connector with single kind lid shape part 3c, therefore need not be equipped with different lid shape parts according to the shape of the latitudinal ribs 12 of first and second notched barss 1 and 1a, be easily to the workman like this, also make the easy subject of element of rebar connector, and make attended operation carry out easily.
Though reinforcing bar has same standard,, may on the size of reinforcing bar, there be fine distinction with the difference of manufacturing enterprise.Yet the rebar connector of the 4th embodiment makes the insertion distance of each chock 4c, can obtain according to the thickness of each reinforcing bar adjusting, thereby reinforcing bar is coupled together each other securely, overcome the existing problem of conventional rebar connector of covering the shape part that adopts thus.
Operation according to the rebar connector of the 4th embodiment will be described in detail as follows.
First reinforcing bar 1 places sleeve 2c, confirms by the workman whether the leading end of first reinforcing bar 1 extend into the depression 28 of sleeve 2c simultaneously.At this moment, adjust the position of first reinforcing bar 1, make the latitudinal ribs 12 of the reinforcing bar 1 of winning place the rib seat 26 of holddown groove 24.Then, the second reinforcing bar 1a is to pack among the sleeve 2c with the same mode of first reinforcing bar 1.Then, lid shape part 3c axially is encased in the space between the both sidewalls 25 of sleeve 2c from the end of sleeve 2c, so make the latitudinal ribs 12 of first and second reinforcing bars 1 and 1a place rib seat 32, the end that covers shape part 3c is gone out or suitable with the end of sleeve 2c from sleeve 2c part omitted micro stretching.Subsequently, fullering tool or hydraulic tool are then adopted to directly in the leading end 41 of a pair of chock 4c and the two ends of sleeve 2c, and chock 4c is inserted the sleeve 2c from the two ends of sleeve 2c, and so the sticking department 45 of chock 4c pins the sticking department 27 of sleeve 2c firmly.At this moment, the inclined-plane 29 of the sticking department 27 of sleeve 2c closely contacts with the inclined-plane 46 of the sticking department 45 of chock 4c, compress towards the external surface of first and second reinforcing bars 1 and 1a thereby will cover shape part 3c forcefully, such first and second reinforcing bars 1 and 1a couple together each other securely.In addition, the serrated face 33a of lid shape part 3c is meshed with the serrated face 43a of a pair of chock 4c respectively, thereby prevents that chock 4c from removing from sleeve 2c.
In the rebar connector according to the 4th embodiment, paired chock 4c inserts among the sleeve 2c from the two ends of sleeve 2c, and the length of each chock 4c is about as much as half of sleeve 2c length.The inclined-plane of supposing the 4th embodiment with will have identical oblique angle on the inclined-plane of the 5th embodiment described below, the length of covering shape part 3d with the length of chock 4d among the 5th embodiment is no better than compared, the thickness of the hammering end 42 of each sticking department 45 can be thin, and the degree of depth of each chock 4c insertion sleeve 2c can be short.Therefore, the rebar connector of the 4th embodiment makes easier the carrying out of hammering operation.And the rebar connector of the 4th embodiment is suitable for making thick reinforcing bar to be connected to each other.
Figure 25 to 30 has shown the rebar connector according to fifth embodiment of the invention.The general structure of the rebar connector of the 5th embodiment is still identical with the 4th embodiment.By adopting one opening wide the sleeve 2d of one side, lid shape part 3d and a single chock 4d, the rebar connector of the 5th embodiment is connected to each other first and second reinforcing bars 1 and 1a.In the rebar connector of the 5th embodiment, the inclined-plane 29 of each sticking department 27 of sleeve 2d has a fixing oblique angle from first end of each sticking department 27 to second end, this with the 4th embodiment in the diameter that had of the inclined-plane 29 that forms to increase gradually to the sleeve two ends along the core of sleeve 2c be different.But, except being formed with the serrated face 33a on an end of parallel surface 33, the general structure of lid shape part 3d remains the same with the lid shape part 3c of the 4th embodiment.According to the 5th embodiment, chock 4d is made of a single chock, it has and lid shape part 3d almost equal length, and the inclined-plane 46 of each sticking department 45 has fixing oblique angle from the first end of sticking department 45 to its second end, thereby corresponding with the inclined-plane 29 of sleeve 2d.Thus, when chock 4d inserted among the sleeve 2d, lid shape part 3d compressed the external surface of first and second reinforcing bars 1 and 1a.
Only have that the rebar connector of a single chock 4d is applied to such situation, that is, and when first and second reinforcing bars 1 and 1a have relative little diameter.Like this, all have at first and second reinforcing bars 1 and 1a under the situation of relative little diameter, then do not need to adopt long sleeve 2d, this is different from the sleeve 2c of the 4th embodiment.Therefore, only adopt a single chock 4d, first and second reinforcing bars 1 and the 1a that have than minor diameter are joined to one another, and need not a pair of chock is inserted in the sleeve from the opposite end of sleeve.First and second reinforcing bars 1 and 1a diameter separately are more little, and the length of sleeve 2d is just short more.The rebar connector of the 5th embodiment only needs a single chock, has therefore reduced component number.
Figure 29 and 30 has shown the rebar connector according to the modified version of the 5th embodiment.This rebar connector can be used to connect notched bars 1 and 1a by adopting single kind lid shape part 3d, and notched bars 1 and 1a are designed like this, that is, its latitudinal ribs 12 staggers each other with respect to the warp-wise rib 11 that adjoins.This rebar connector can be used for connecting notched bars 1 and 1a, and no matter the latitudinal ribs 12 of notched bars 1 and 1a is circle or semicircular.This rebar connector just makes notched bars 1 and 1a be joined to one another by adopting single kind of rebar connector 3d.The operating principle of this rebar connector remains the same with the operating principle of the rebar connector of Figure 24.
Operation according to the rebar connector of the 5th embodiment is the same with the order of connection with the 4th embodiment, except the rebar connector of the 5th embodiment has a single chock 4d.Like this, according to the 5th embodiment, adopt fullering tool or hydraulic tool, chock 4d has a larger-diameter end from sticking department 27 and is inserted into the sleeve 2d, thereby first and second notched barss 1 and 1a are coupled together each other securely.
Figure 31 to 35 has shown the rebar connector according to sixth embodiment of the invention.The general structure of the 6th embodiment is identical with element with the 5th embodiment, except producing the sleeve 2e and chock 4e that has constant thickness separately by the steel plate plastic strain of adopting forcing press will have predetermined thickness.Like this, chock 2e has constant thickness on the whole.Many rib seats 26 form along chock 2e by pressing mold, and are formed with many semi-cylindrical hills in the external surface of sleeve 2e and rib seat 26 corresponding positions, as latitudinal ribs 22.And chock 4e makes the steel plate plastic strain by adopting forcing press, so that the thickness of interlude 47 equates with the thickness of each sticking department 45.In order to prevent that chock 4e from removing from the insertion position between the sticking department 27 of lid shape part 3e and sleeve 2e unwished-forly, on parallel surface 43, be formed with serrated face 43a, perhaps, with the slightly little width of width that each sticking department 27 of the leading end 41 contacted sleeve 2e of chock 4e forms than each sticking department 45 of chock 4e, so the sticking department 27 of sleeve 2e pins the sticking department 45 of chock 4e securely.Shown in figure 32, the hammering end 42 of the interlude 47 of chock 4e is towards the direction projection relative with the parallel surface 43 of chock 4e, thereby formed the lug boss of " V " shape, and so lug boss has increased the hammering area of chock 4e, thereby chock 4e is gone into by hammer easily.And the steel plate with constant thickness is cut in echelon, adopts forcing press that it is bent upwards on two edges then, to form the sticking department 45 of chock 4e.Inclined-plane 46 forms by this way along each sticking department 45, that is, the height on inclined-plane 46 reduces to its second end gradually from the first end of each sticking department 45.
As shown in figure 33, " V " shape groove 44 axially forms along the interlude 47 of chock 4e, is used for reducing the contacted surface area with lid shape part 3e.
Employing is identical with the 5th embodiment according to the connecting method for reinforcing bars that the rebar connector of the 6th embodiment carries out.
In addition, at chock 4,4a, 4b, 4c, 4d has disposed rule 48 on the external surface of the interlude 47 of 4e, stretches to the precalculated position from hammering end 42.Therefore, when the reinforcing bar of being produced by same manufacturing enterprise with identical standard was connected to each other, rule 48 can make chock 4,4a, and 4b, 4c, 4d, 4e are inserted into sleeve 2,2a, 2b, 2c, 2d, the precalculated position among the 2e.Attended operation is subsequently so carried out, and, adopts rule 48 that is, with chock 4, and 4a, 4b, 4c, 4d, 4e are inserted into sleeve 2,2a, 2b, 2c, 2d, the precalculated position among the 2e.Like this, rule 48 can obtain the reinforcing bar that evenly connects, and can guarantee that also subsequent examination easily carries out.
Consider suitability, cost of production and others, the element of rebar connector can be selected from cast steel, cast iron, steel plate, highstrenghtpiston, specific alloy etc. and makes according to the present invention.And, consider material and workability, the processing of element can be undertaken by comprising several different methods such as casting, forging, compacting and injection molding.
Industrial applicibility
As mentioned above, the invention provides a kind of rebar connector that is included in its sleeve that simultaneously upward opens wide, lid shape part and chock, thereby reinforcing bar can be connected to each other fast and easily, and make the part that is connected of reinforcing bar have high intensity.
According to rebar connector of the present invention, reinforcing bar is to be connected each other by chock being inserted in its sleeve that simultaneously go up to open wide, thereby make attended operation to carry out apace, and make the part that is connected of reinforcing bar have high intensity, reduced cost thus and shortened man-hour.
According to rebar connector of the present invention, some elements can be made with steel plate by adopting forcing press, thereby can carry out the batch process of rebar connector, and have therefore reduced the cost of rebar connector.
According to the present invention, rebar connector can make reinforcing bar in its end when certain-length overlaps and be joined to one another.In the case, with adopting tie wire reinforcing bar situation connected to one another is compared, the part that is connected of reinforcing bar has higher intensity, and the lap length of reinforcing bar is shorter, thereby make the adjacent distance that is connected between the reinforcing bar increase, concrete is entered be connected that the pouring operation in space can easily carry out between the reinforcing bar, thereby increased the intensity of reinforced concrete structure.
Rebar connector of the present invention can connect have an identical standard but on the size of reinforcing bar, have the reinforcing bar of difference slightly.And this rebar connector can make reinforcing bar be connected to each other, as long as reinforcing bar has the latitudinal ribs of same shape, and no matter the latitudinal ribs of reinforcing bar is circle or semicircular.
Rebar connector of the present invention allows the element of rebar connector to make by simple method, thereby has reduced cost of production.
According to the present invention, rebar connector comprises the rule of the predetermined portions that is in chock, thereby makes chock be inserted into the precalculated position of sleeve, can obtain the reinforcing bar that evenly connects thus, and has guaranteed that subsequent examination carries out easily.
Though disclose the preferred embodiments of the present invention for illustration purpose, but those skilled in the art can realize, only otherwise break away from scope and spirit of the present invention disclosed in the accompanying claims, various modification bodies, add adult and alternative body also is possible.
Claims (22)
1. one kind is used to make first and second reinforcing bars rebar connector connected to one another, first and second reinforcing bars each self-contained many latitudinal ribs and warp-wise rib, and described rebar connector comprises:
A cylindrical sleeve of on its one side, axially opening wide, this sleeve comprises:
A pair of first holddown groove, this holddown groove axially is configured in the sleeve abreast, so, the end of first and second reinforcing bars is loaded in first holddown groove and settles side by side, first holddown groove has semicircular cross-section separately, and groove depth is equivalent to first and second reinforcing bars half of diameter separately approximately, and many first rib seats are configured in first holddown groove predetermined portions separately, so that first and second reinforcing bars latitudinal ribs separately is placed in wherein;
A lid shape part, be used for covering first and second reinforcing bars of first holddown groove of sleeve of packing into, this lid shape part has a pair of second holddown groove on its predetermined surface, this second holddown groove is settled side by side with corresponding with first holddown groove, many second rib seats are configured in second holddown groove predetermined portions separately, so that first and second reinforcing bars latitudinal ribs separately is placed in wherein; And
A chock axially inserts the sleeve from an end of sleeve, is used for the lid shape part and first and second reinforcing bars of wedging sleeve.
2. according to the rebar connector of claim 1, wherein
Described sleeve comprises first sticking department, and first sticking department is provided with and along first inclined-plane that first sticking department inner surface separately forms along the two opposite edges edge of sleeve open surface, and
Described chock comprises second sticking department, second sticking department is provided with along the relative edge of the predetermined surface of chock, with second inclined-plane that forms along second sticking department external surface separately, so, first sticking department of sleeve is meshed with second sticking department of chock, simultaneously, first inclined-plane of sleeve contacts with second inclined-plane of chock.
3. according to the rebar connector of claim 1, wherein
Described lid shape part is than the cover tube length, grow first and second reinforcing bars at interval half between the latitudinal ribs separately, described lid shape part comprises first parallel surface that is formed on relative one side with second holddown groove and first serrated face that forms on the predetermined portions of first parallel surface, and
Described chock comprises second parallel surface, this second parallel surface with the contacted position of first parallel surface of lid shape part and second serrated face that on the predetermined portions of second parallel surface, forms, and form a groove in the axial direction at least along second serrated face.
4. according to the rebar connector of claim 1, wherein, first holddown groove of sleeve also comprises and is configured in first between the first rib seat and replenishes the rib seat, and second holddown groove of lid shape part also comprises and is configured in second between the second rib seat and replenishes the rib seat.
5. according to the rebar connector of claim 1, wherein said sleeve comprises:
Be arranged on the many latitudinal ribs and the warp-wise rib of sleeve outer surface, it has the shape identical with the warp-wise rib with the latitudinal ribs of first and second reinforcing bars.
6. according to the rebar connector of claim 1, wherein, first and second reinforcing bars only are connected to each other by chock is fitted in the sleeve.
7. according to the rebar connector of claim 6, wherein said chock comprises:
A leading end of cutting sth. askew;
Serrated face on parallel surface that is arranged on described chock; And
The lug boss of the hammering end of an interlude that is arranged on described chock parallel surface.
8. according to the rebar connector of claim 6, first sticking department of wherein said sleeve stretches out from the upper limb of sleeve lateral wall, with vertical with sidewall and along first inclined-plane that first sticking department soffit separately forms, and
Second sticking department of described chock stretches out from two opposite side of the interlude of chock, and towards the serrated face bending to be bent downwardly earlier before forming " U " tee section and along second inclined-plane that second sticking department upper surface separately forms.
9. according to the rebar connector of claim 1, wherein said sleeve and described chock have constant thickness by adopting forcing press that the steel plate plastic strain with predetermined thickness is made separately.
10. according to the rebar connector of claim 9, first sticking department width that inner surface had separately of wherein said sleeve, second sticking department width separately than described chock is slightly little, makes second sticking department of chock pin first sticking department of sleeve securely.
11. according to the rebar connector of claim 9, the hammering end of the interlude of wherein said chock is towards the direction projection opposite with the parallel surface of chock, thereby forms a lug boss.
12. according to the rebar connector of claim 9, the interlude of wherein said chock comprises one along the whole length of interlude and the groove that axially forms.
13. rebar connector according to claim 1, wherein said sleeve is included in formed one first holddown groove on the inner surface of sleeve, and described lid shape part comprises and corresponding one second holddown groove of first holddown groove of sleeve, and described chock is made of a pair of chock.
14. rebar connector according to claim 13, wherein the diameter that had on from the core of sleeve to the direction at the two ends of sleeve of first inclined-plane of first sticking department of the described sleeve of Xing Chenging increases gradually, the two ends that make paired chock to increase gradually from its diameter are inserted into the sleeve, and be provided with first and second depressions respectively at the core of first holddown groove of described sleeve with at the core of second holddown groove of described lid shape part, the degree of depth of first and second depressions will be deeper than the first and second rib seats.
15. rebar connector according to claim 13, wherein said lid shape part is longer than described sleeve, grow between about second rib seat at interval half, and described lid shape part is included in the outside rib seats of covering shape part opposite end, first parallel surface of lid shape part is flat, and with the predetermined portions of second parallel surface of contacted each chock of first parallel surface of lid shape part also be flat.
16. according to the rebar connector of claim 13, first inclined-plane of first sticking department of wherein said sleeve has the constant oblique angle from first sticking department, first end separately to its second end separately, and
Described chock is made of a chock, the length that this chock has almost with the equal in length of described lid shape part, second inclined-plane of second locking piece of chock has the constant oblique angle from second sticking department, first end separately to its second end separately.
17. according to the rebar connector of claim 16, wherein said sleeve and described chock have constant thickness by adopting forcing press that the steel plate plastic strain of predetermined thickness is made separately.
18. rebar connector according to claim 17, first sticking department width that inner surface had separately of wherein said sleeve, second sticking department width separately than described chock is little, thereby makes second sticking department of chock pin first sticking department of sleeve securely.
19. according to the rebar connector of claim 17, the hammering end of the interlude of wherein said chock is towards the direction projection relative with second parallel surface of chock, thereby formed a lug boss.
20. according to the rebar connector of claim 17, the interlude of wherein said chock comprises a groove that axially forms along the whole length of interlude.
21. according to the rebar connector of claim 13 or 16, wherein said chock comprises a groove that axially is provided with along the parallel surface of chock.
22. according to claim 1,6,9,13,16 and 17 each rebar connector, wherein said chock also is included in the rule on the external surface of interlude of chock.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030000955 | 2003-01-08 | ||
| KR1020030000955A KR100584014B1 (en) | 2003-01-08 | 2003-01-08 | Reinforcing bar coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1723324A true CN1723324A (en) | 2006-01-18 |
| CN100363576C CN100363576C (en) | 2008-01-23 |
Family
ID=36729280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800020207A Expired - Fee Related CN100363576C (en) | 2003-01-08 | 2004-01-07 | Reinforcing bar coupler |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20060053735A1 (en) |
| JP (1) | JP2006515393A (en) |
| KR (1) | KR100584014B1 (en) |
| CN (1) | CN100363576C (en) |
| WO (1) | WO2004063487A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089206A (en) * | 2015-08-02 | 2015-11-25 | 长安大学 | Steel bar connecting device for precast concrete component and steel bar connecting method for precast concrete component |
| CN106151186A (en) * | 2016-06-24 | 2016-11-23 | 刘祥锦 | A kind of rebar connector, method of attachment, jointing and dedicated extruded mould |
| CN106363107A (en) * | 2016-11-09 | 2017-02-01 | 河北易达钢筋连接技术有限公司 | Buckling device and machine tool for reinforcing steel bar connection |
| CN107700361A (en) * | 2017-09-28 | 2018-02-16 | 上海应用技术大学 | A kind of dumb-bell shape grout sleeve and the method that assembling construction is carried out with the grout sleeve |
| CN112942687A (en) * | 2021-03-29 | 2021-06-11 | 中建八局第二建设有限公司 | Portable linkage gear device for quickly connecting steel bar sleeves |
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| KR101132685B1 (en) * | 2004-08-11 | 2012-06-21 | 김용근 | Reinforcing bar coupler |
| ATE478211T1 (en) * | 2006-08-10 | 2010-09-15 | Okabe Co Ltd | DEVICE FOR JOINING REINFORCING BARS |
| EP1898017A1 (en) * | 2006-09-08 | 2008-03-12 | Dextra Asia | Device for connecting bars end-to-end |
| JP5630554B1 (en) * | 2013-10-31 | 2014-11-26 | 有限会社今村精工 | Method for forming joint structure of deformed steel bar |
| US9644369B2 (en) * | 2013-12-24 | 2017-05-09 | Reigstad & Associates, Inc. | Post-tension concrete leave out splicing system and method |
| AU354301S (en) * | 2014-02-18 | 2014-03-13 | Nexus Couplers Pty Ltd | A concrete reinforcing bar coupler part |
| AU354302S (en) * | 2014-02-18 | 2014-03-13 | Nexus Couplers Pty Ltd | A concrete reinforcing bar coupler part |
| KR101533611B1 (en) * | 2014-11-12 | 2015-07-06 | 윤용수 | steel reinforcement connecting device |
| SG11201809274XA (en) * | 2016-04-22 | 2018-11-29 | M3S Holdings Pty Ltd | Ajustable compact jacking coupler and method of use |
| KR102077081B1 (en) * | 2017-09-28 | 2020-02-13 | 박천수 | Device for jointing steel bar |
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- 2004-01-07 JP JP2006500618A patent/JP2006515393A/en active Pending
- 2004-01-07 WO PCT/KR2004/000012 patent/WO2004063487A1/en active Application Filing
- 2004-01-07 US US10/538,717 patent/US20060053735A1/en not_active Abandoned
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089206A (en) * | 2015-08-02 | 2015-11-25 | 长安大学 | Steel bar connecting device for precast concrete component and steel bar connecting method for precast concrete component |
| CN106151186A (en) * | 2016-06-24 | 2016-11-23 | 刘祥锦 | A kind of rebar connector, method of attachment, jointing and dedicated extruded mould |
| CN106151186B (en) * | 2016-06-24 | 2018-04-03 | 刘祥锦 | A kind of rebar connector, connection method, jointing and dedicated extruded mould |
| CN106363107A (en) * | 2016-11-09 | 2017-02-01 | 河北易达钢筋连接技术有限公司 | Buckling device and machine tool for reinforcing steel bar connection |
| CN106363107B (en) * | 2016-11-09 | 2018-05-04 | 河北易达钢筋连接技术有限公司 | Crimping device and bar connecting lathe |
| CN107700361A (en) * | 2017-09-28 | 2018-02-16 | 上海应用技术大学 | A kind of dumb-bell shape grout sleeve and the method that assembling construction is carried out with the grout sleeve |
| CN112942687A (en) * | 2021-03-29 | 2021-06-11 | 中建八局第二建设有限公司 | Portable linkage gear device for quickly connecting steel bar sleeves |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004063487A1 (en) | 2004-07-29 |
| US20060053735A1 (en) | 2006-03-16 |
| CN100363576C (en) | 2008-01-23 |
| KR100584014B1 (en) | 2006-05-29 |
| KR20040063505A (en) | 2004-07-14 |
| JP2006515393A (en) | 2006-05-25 |
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Granted publication date: 20080123 Termination date: 20100208 |