WO2015034224A1 - 접합단부재에 의한 소켓체결형 철근연결구 - Google Patents
접합단부재에 의한 소켓체결형 철근연결구 Download PDFInfo
- Publication number
- WO2015034224A1 WO2015034224A1 PCT/KR2014/008118 KR2014008118W WO2015034224A1 WO 2015034224 A1 WO2015034224 A1 WO 2015034224A1 KR 2014008118 W KR2014008118 W KR 2014008118W WO 2015034224 A1 WO2015034224 A1 WO 2015034224A1
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- WO
- WIPO (PCT)
- Prior art keywords
- shape
- joint
- socket
- end member
- reinforcing bar
- Prior art date
Links
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 30
- 238000010276 construction Methods 0.000 description 19
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Images
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
Definitions
- the present invention relates to a socket fastening type reinforcing bar connector by a joint end member, and more specifically, the joint end member is joined to the reinforcing bars to facilitate the joint construction between the reinforcing bars and the reinforcing cage between the reinforcing concrete.
- the present invention relates to a reinforcing bar connector capable of precisely mechanically connecting adjacent reinforcing bars by simply socketing.
- the joints between the reinforcing bars and the reinforcing cage are based on a technical configuration for attaching a joint reinforcing bar to the end of the reinforcing bar for reinforcing the bars or facilitating the connection through screwing.
- Basic reinforcement work of reinforced concrete is being done.
- Japanese Patent No. 4029342 discloses a method for introducing mechanical reinforcing bars and tension of reinforcing bars. That is, it consists of a head part which is fixed to each of the opposite ends of the adjacent reinforcing bars through fixing means, a head which forms a forward screw and a reverse thread, a coupler respectively coupled to the head, and a nut contacting the coupler to fasten the coupler.
- a mechanical reinforcing joint is disclosed on the inner circumferential surface of the coupler such that a reverse thread is formed at one end of the forward screw at the other end to form a screw surface corresponding to the screw of the head.
- the reinforcing bar is a method in which the coupler is fastened to both ends of the reinforcing bars and then the coupler is fastened to both ends of the reinforcing bars, similarly to the coupling method by the turnbuckle is screwed to both ends of the reinforcing bars to be joined,
- the main bars of the upper reinforcing cage are approached as the main bars of the lower reinforcing cage.
- an injection hole is formed at a predetermined position near the center of the coupler, and grout fillers such as mortar, which are only 5 to 1 to 10 branches 1 of metal, are injected from the injection hole into the voids between the threads.
- grout fillers such as mortar, which are only 5 to 1 to 10 branches 1 of metal
- Korean Patent No. 10-1014543 discloses a rebar connector by a threaded sleeve.
- Rebar connector by a threaded sleeve is characterized in that it comprises a reinforcing bar is formed in the male threaded portion to be screwed to the female threaded portion of the two sleeves.
- the reinforcing bar connector by the threaded sleeve is a method that is a method of jointing through the coupler after the male thread must be threaded at the end of the reinforcing bar, the problem of the construction method of the male thread at the end of the rebar has been revealed in some developed countries already The situation is regulated and banned by the screwing method.
- the surface of the reinforcing steel bar has a high surface stiffness, but the rigidity is reduced at the center of the steel bar.
- the thread roller rolling process increases the wear rate of the rolling rollers due to high-strength reinforcement, resulting in a loss cost that reduces the life of the tool.
- This method is a method that does not cause deformation of the base material through instantaneous bonding to the high-strength reinforcing end by making the member made of the same or more high-strength material.
- the main object of the present invention is to enable jointing of reinforcing bars through an integrated coupling with only simple components as independent connectors capable of joining to ends of rebars.
- first joint end member and the second joint end member are put together to disperse the stress against the axial compressive force.
- reinforcing bars can be made possible.
- the end portion of the first threaded reinforcing bar and the second threaded reinforcing bar is to enable the reinforcing bar of the configuration in which the ends of the first threaded reinforcing bar is in close contact with each other.
- the initial slip is removed from the state in which the first rebar and the second reinforcing bar is connected only by the fastening socket.
- the adjustment of the length of the reinforcing bar is to allow the joints of the reinforcing bars spaced apart from each other or absorb construction errors in a more determined range by the combined configuration between the intermediate joint member and the joint end member.
- the joint of the reinforcing bar is to enable the joint for the bar, including the round bar that can be joined.
- Socket fastening type reinforcing bar connector by the joint end member according to the present invention for achieving the above object, the first reinforcing bar and the second reinforcing bar facing the end, for joining the fastening socket and the end of the first reinforcing bar
- a first joint end member having a male screw portion formed in a longitudinal direction on an outer surface thereof, and one side end portion having a shape corresponding to an end shape of the first joint end member, and the other end portion is joined to an end portion of the second reinforcing bar and is formed from the one end portion.
- a second bonded end member having one or a plurality of steps spaced apart from each other in an axial direction and having one or more angles selected from an acute angle, a right angle, and an obtuse angle with respect to a longitudinal direction; It extends in the longitudinal direction to accommodate the outer surface and the outer surface of the first bonding end member and the inner surface is screwed on the male thread for the coupling socket coupling of the first bonding end member
- the fastening socket coupling female screw portion to be joined is formed in the longitudinal direction and is provided with one or a plurality of locking jaws that are engaged with the step of the second joint end member and form any one angle selected from acute angle, right angle, and obtuse angle with respect to the longitudinal direction.
- the hollow socket includes a fastening socket, and the fastening socket of the fastening socket is moved toward the first fastening screw member in a direction of the first fastening screw member so as to be closely attached to the step of the second fastening screw member.
- Silver one end is the same or similar to the width of the first reinforcement to have a structure that is connected to the first reinforcing bar, the cross-section is a circular bar shape and the other end is the
- the fastening socket coupling male thread part is formed on the extended outer surface of the rod shape of the side end portion, and has a width of the shape of the expanded rod shape of the second joint end member plus the height of the screw thread along the longitudinal direction.
- the shape of the second joint end member which is a bar-shaped bar which is expanded by step width at the end portion and is joined to the end of the second rebar, is equal to the width of the second rebar so that one side end has a structure that is joined to the second rebar.
- Or similar and circular cross-section bar shape and the other end is wider than the bar shape of the one end portion is formed in a width smaller than the inner surface of the fastening socket so that the fastening socket can flow from the outer surface and protrudes around the outer surface
- a stepped shape is formed, the width of which is stepped near the stepped bar shape, and the protruding band-shaped stepped bar is extended to the width of the second joint end member.
- An inner surface of the fastening socket becomes a protruding band shape encircled from the vicinity to an end surface of the second joining end member or a shortened width of the protruding band in the vicinity of a bar shape in which the width of the second joining end member is extended.
- a female member for fastening socket coupling is formed near the end portion in the direction of the first joint end member, and the bar shape and the width of the first joint end member are expanded.
- the fastening socket formed to surround the expanded bar shape is screwed to the fastening socket coupling male threaded portion of the rod-shaped bar extending the width of the first joint end member, and at the same time the protruding band-shaped catching jaw and the stepped jaw are closely attached to each other.
- the extended rod-shaped end portion formed with the male threaded portion for coupling the coupling socket of the first bonded end member and the extended rod-shaped end portion of the second bonded end member are integrally bonded in a state in which they are supported. .
- the intermediate reinforcing member is interposed between the first splicing end member and the first reinforcing bar, or when the intermediate splicing member is interposed between the second splicing end member and the second reinforcing bar.
- the intermediate joining member can be installed.
- an intermediate joint member is interposed between the first joint end member and the first reinforcing bar, and between the second joint end member and the second reinforcing bar, respectively, when the joint length between the first reinforcing bar and the second reinforcing bar is required. It is characterized in that the intermediate bonding member can be installed respectively.
- an intermediate joining member is interposed between the first joining end member and the first reinforcing bar, and one end of the intermediate joining member is joined to the end of the first reinforcing bar, and the intermediate joining is performed during a predetermined section from one end to the other end.
- a member screw male part is formed, and an intermediate joining member accommodating groove for accommodating the intermediate joining member is formed at an end of the first joined end member corresponding to the intermediate joining member, and an intermediate joining member is joined to an inner surface of the receiving groove.
- the first joining end member corresponding to the intermediate joining member may be formed by a female thread part and the intermediate joining member may include one or a plurality of lock nut bodies having a circular or polygonal cross-sectional shape to lock the position of the intermediate joining member.
- the end of the cross-section is a circle up to a predetermined distance from the end face when the cross-section is polygonal and a pair
- the gripping surface is provided in the opposite position on each other is formed of any one selected or the intermediate bonding member is interposed between the second joint end member and the second reinforcing one side end of the intermediate bonding member
- An intermediate thread member for joining the intermediate joint member is formed in a predetermined section which is joined to the end of the reinforcing bar, and extends from one side end to the other end, and receives the intermediate joint member at the end of the second joint end member corresponding to the intermediate joint member.
- Intermediate joining member receiving groove is formed, the inner surface of the receiving groove is formed with a female threaded portion for joining the intermediate joining member and the intermediate joining member is provided with one or a plurality of lock nut body having a circular or polygonal cross section to position the intermediate joining member. It is possible to lock the end of the second joint end member corresponding to the intermediate joint member is an end In the case where the cross section forms a circular shape up to a predetermined distance from the case, the cross section forms a polygon, and when one or more pairs of gripping surfaces are provided at opposite positions is selected from any one selected from the intermediate joining member is installed. It is characterized by possible.
- first reinforcing bar intermediate member is joined to the end of the first reinforcing bar, and a predetermined number of threads for joining the intermediate joining member is formed in a predetermined section extending from the one end to the other end, and corresponding to the intermediate joining member.
- a first intermediate bonding member receiving groove is formed at an end of the first bonding end member to accommodate the intermediate bonding member, and an inner thread of the intermediate bonding member is formed on the inner surface of the receiving groove, and the intermediate bonding member has a circular or polygonal cross section.
- the end portion of the first bonding end member corresponding to the intermediate bonding member has a circular cross section up to a predetermined distance from an end surface.
- the cross section is polygonal, and when there is a wavefront at one or more pairs of opposite positions,
- One side end of the intermediate reinforcing member joined to the second reinforcing bar is joined to an end of the second reinforcing bar, and a predetermined number of threads for joining the intermediate joint member is formed in a predetermined section from one end to the other end.
- An intermediate joining member receiving groove is formed at an end of the second joining end member corresponding to the intermediate joining member, and an inner thread of the intermediate joining member is formed on an inner surface of the receiving groove, and the intermediate joining member has a circular cross section.
- a polygonal one or a plurality of lock nut bodies may be provided to lock the position of the intermediate joining member, and an end of the second joining end member corresponding to the intermediate joining member may have a circular cross section from an end face to a predetermined distance. If the cross section is polygonal, then the gripping is in one or more pairs of opposite positions. In this case, which is provided by any one of the formed selected it is characterized in that it is possible to install each of the intermediate material junction.
- the intermediate joining member is joined to an end of the first reinforcing bar, and the intermediate joining member coupling thread is formed in a predetermined section extending from one end to the other end of the intermediate joining member, and the first joint corresponds to the intermediate joining member.
- a connecting portion is formed at the other end of the bonded end member, and the connecting portion is provided with a connecting screw coupling male screw portion, and a connecting socket for connecting the connecting portion and the intermediate bonding member is provided, wherein the connecting socket is a length member and one side and the other side are opened.
- connection socket When the inner surface of the connecting socket is formed with a female screw portion that is screwed with the male screw portion for coupling the coupling socket and the intermediate coupling member coupling on the inner surface or the end of the second reinforcing the intermediate bonding member is joined to the Intermediate joints during a predetermined section from one end of the intermediate joint to the other end
- a coupling male thread part is formed, and a connection part is formed at the other end of the second joint end member corresponding to the intermediate joint member, and a connection socket coupling male thread part is formed at the connection part and connects the connection part and the intermediate joint member.
- connection socket is a length member, and one side and the other side are opened to the hollow body, and the inner surface of the connection socket is formed with a male screw portion screwed with the male screw portion for coupling the connection socket and the male screw portion for coupling the intermediate bonding member. It is characterized in that it is possible to be installed in any one of the intermediate bonding member is selected.
- the intermediate joining member is joined to an end portion of the first reinforcing bar, and a male screw part for joining the intermediate joining member is formed in a predetermined section extending from one end to the other end of the intermediate joining member, and the first joining member corresponds to the intermediate joining member.
- a connection part is formed at the other end of the joint end member, and the connection part is provided with a connection screw coupling male thread part and is provided with a connection socket connecting the connection part and the intermediate joint member, wherein the connection socket is a length member and one side and the other side are opened.
- the inner surface of the connecting socket is a hollow body, the female screw portion for screwing the male screw portion for coupling the connecting socket and the intermediate coupling member coupling portion is formed and the intermediate bonding member is joined to the end of the second reinforcing bar, the intermediate bonding member For joining intermediate joining members during a predetermined section from one end to the other A screw part is formed, and a connection part is formed at the other end of the second joint end member corresponding to the intermediate joint member, and the connection part is formed with a male screw part for connecting a socket, and a connection socket connecting the connection part and the intermediate joint member.
- connection socket is provided with a length member, and one side and the other side are opened to be hollow, and the inner surface of the connection socket is formed with a male screw portion which is screwed with the male screw portion for coupling the connection socket and the male screw portion for coupling the intermediate bonding member. It is possible to install each of the ashes.
- the connecting socket is selected from the case where the outer surface is splined, the outer surface is knurled, the cross section is circular, the cross section is polygonal, and a pair of gripping surfaces are provided at two or more opposing positions. Characterized in that formed by either.
- the end shape of the first joint end member and the second joint end member is a protrusion formed in the longitudinal direction of the end shape of the first joint end member and the end shape of the second joint end member is the same shape as the protrusion.
- the end portion of the second joining end member is a protrusion formed in the longitudinal direction and the end shape of the first joining end member is the same shape as that of the protrusion and is a fitting portion to be fitted. It is characterized in that the end shapes of the first bonded end member and the second joined end member can be carried out interchangeably.
- the end shapes of the first joint end member and the second joint end member may be a cone, a truncated cone, a cone, a cylinder, a polygonal pyramid, a polygonal truncated cone, a polygonal cone, in which an end shape of the first joint end member protrudes from the center in the longitudinal direction. Any one selected from a polygonal column, a cutting sphere shape, a cutting ellipsoid shape, a plane perpendicular to the longitudinal direction, and an uneven surface; and wherein the end shape of the second joint end member has the same shape as the end shape of the first joint end member.
- an end portion receiving portion of the first end member or the end shape of the second joint end member protrudes from the center in the longitudinal direction, a cone, a truncated cone, a cone, a cylinder, a polygonal pyramid, a polygonal truncated cone, a polygonal cone, a polygonal pillar, and a cutting sphere shape
- any one selected from the case accommodating denial of the end shapes of the hapdan member it is characterized in that it is possible that the first junction block member and the second bonding end portion shape of the block member is carried out cross-fit change.
- the end shape of the first joint end member and the second joint end member is a multi-stage inclined type in which the end shape of the first joint end member is formed in one or a plurality of sections each having a narrow surface area in the longitudinal direction.
- the end portion of the second joint end member is a receiving portion having a shape corresponding to the protrusion
- the end shape of the second joint end member is one or a plurality of sections in which the surface area becomes narrow in the longitudinal direction and a plurality of sections, respectively.
- the end shape of the first joined end member and the second joined end member are mutually matched as any one selected from among the case where the multistage inclined protrusion is formed and the end shape of the first joined end member is a receiving portion formed in a shape corresponding to the projected portion. It can be implemented by changing.
- the uneven surface extends equidistantly from the center of the end surface and has a longitudinal cross-sectional shape in the shape of a triangle, a rounded triangle shape, a square shape, a square shape with rounded corners, a cut sphere shape, a cut ellipse sphere shape, and an end surface. It is characterized in that any one selected from the formed crisscross shape, the combined shape of the crisscross and the circular shape, and the corrugated shape of the corrugated wave form a concave portion provided with one or a plurality of convex portions and a concave portion accommodating the convex portions.
- any one end of the cone, the truncated cone, the cone, the cylinder, the polygonal pyramid, the polygonal truncated cone, the polygonal cone, the polygonal pillar, the cutting spherical shape, the cutting elliptic spherical shape of the first and second joint end member It is characterized in that it is formed to form a plurality of stages and the angle formed by the multi-stage is characterized by forming any one angle selected from acute angle, right angle and obtuse angle, respectively.
- the locking step and the stepped is provided with a plurality of steps are characterized in that the stress due to the tensile force concentrated on the fastening socket is dispersed, the angle formed by the locking step and the step is respectively selected from acute angle, right angle and obtuse angle Characterized in forming one angle.
- first reinforcing bar and the second reinforcing bar is characterized in that different.
- the fastening socket is selected from when the outer surface is splined, when the outer surface is knurled, when the cross section is circular, when the cross section is polygonal, and when the gripping surface is provided with one or more opposite positions Characterized in that formed by either.
- first joint end member and the second joint end member are respectively joined to the end of the bar, or if the first joint end member and the other side is joined to the end of the bar, respectively, respectively on one side or one side
- the second joint end member and the other intermediate joining member on the other side is respectively selected to the end of the bar or the end of the thread is screwed to the first joint end member and the second joint end member, respectively selected by either It is characterized in that it is possible to join the adjacent bars facing the end.
- At least one selected from an additionally formed reinforcing female thread portion, the connecting socket coupling male thread portion, and the female thread portion on the inner surface of the connecting socket is formed by one or more lines of thread, and the thread form is a triangular screw, a square screw, an elliptical screw, and It is formed in the form of any one selected from the round screw and the grade of the screw is characterized in that it is formed of any one selected from the first, second, and third class screws.
- joining of the first reinforcing bar and the first joining end member, the joining of the second reinforcing bar and the second joining end member, joining of the first reinforcing bar and the intermediate joining member, and joining of the second reinforcing bar and the intermediate joining member are performed by welding. It is characterized by.
- the joining of the first reinforcing bar and the first joint end member, the joining of the second reinforcing bar and the second joining end member, the joining of the first reinforcing bar and the intermediate joining member, and the joining of the second reinforcing bar and the intermediate joining member are performed by friction welding, linear Friction welding, arc stud welding method, butt welding, ultrasonic vibration welding, resistance welding, plasma welding, electron beam welding, laser welding, high frequency welding and argon welding, characterized in that any one selected from.
- the arc stud welding method characterized in that the firing tip is inserted in the center of the end surface to be welded of the first joint end member or the second joint end member.
- At least one selected from an additionally formed female thread portion for reinforcing bar coupling, the male thread portion for coupling the coupling socket, and the female thread portion in the coupling socket inner surface is characterized in that a protective cap for preserving the thread is covered.
- Socket fastening type reinforcing bar connector by the joint end member of the present invention the first joint end member, the second joint end member and the fastening socket which are integrally fastened as an independent connector that can be joined to the end of the reinforcing bar is integrated with simple components only. It enables the jointing of the rebars through the joining.
- the end portion of the pre-assembled rebar mesh of the reinforcing bar cage through the conical, truncated cone, cone, cylinder, polygonal pyramid, polygonal truncated cone, polygonal cone, polygonal pillar, cutting sphere shape, the end of the elliptical sphere shape and the receiving portion of the shape Is uneven, the tip of the end shape of the joint end member joined to the plurality of main roots contacted at one time is in contact with a predetermined point of the receiving portion having the same shape as the shape of the end of the joint end member joined to the lower plurality of main root ends. It is guided so that it fits snugly.
- any one end surface selected from a cone, a truncated cone, a cone, a cylinder, a polygonal pyramid, a polygonal truncated cone, a polygonal cone, a polygonal pillar, a cutting sphere shape, and an elliptical sphere shape forms a plurality of stages
- the first joint After the end portions of the member and the second joined end member are fitted together, the contact area is increased to generate the effect of stress dispersion on the axial compressive force.
- first intermediate joint member and the second intermediate joint member are penetrated into and inserted into the ends of the first threaded rebar and the second threaded reinforcing bar, thereby completing the fastening by the fastening socket, thereby completing the first screw joint rebar and the second screw joint rebar.
- the ends of the threaded reinforcing bars are mutually supported by the butt joint, so that the joints of the reinforcing bars that are stably held in the longitudinal direction can be supported.
- the ends of the first reinforcing bar and the second reinforcing bar butt support only by the fastening socket so that the ends of the first and second reinforcing bars are tightly supported by the fastening through the fastening socket in the state of being closely supported, the flow of reinforcing bar is Since it does not exist, the initial slip may be removed.
- connection part and the male screw part are formed in the first joint end member and the second joint end member, so that the joint length of the extended range can be adjusted by the connection part, so that the first joint end member and the second joint are spaced farther apart.
- the end surface to be welded is formed with a groove in the center to ignite the ignition action by inserting a firing tip in the center of the end surface of the joint end member to ignite the joint end member Even in the case of wide width of the arc, since the arc is ignited from the center of the end face, the melting occurs from the center, thereby obtaining a high quality fusion surface.
- first joining end member, the second joining end member, and the intermediate joining member may be joined to the end of the bar according to the embodiment, with respect to the bar including the round bar capable of joining as well as the reinforcing bar of the reinforcing bar. There is an effect that can be connected.
- FIG. 1 is a perspective view showing an assembly shape according to the present invention.
- FIG. 2 is a cross-sectional view showing details of the reinforcing bar connection according to the first embodiment of the present invention.
- FIG. 3 is a cross-sectional view showing details of the reinforcing bar connection according to the second embodiment of the present invention.
- FIG. 4 is a cross-sectional view showing details of the reinforcing bar connection according to the third embodiment of the present invention.
- FIG. 5 is a cross-sectional view showing details of the reinforcing bar connection according to the fourth embodiment of the present invention.
- FIG. 6 is a cross-sectional view showing details of the reinforcing bar connection according to the fifth embodiment of the present invention.
- FIG. 7 is a cross-sectional view showing details of the reinforcing bar connection according to the sixth embodiment of the present invention.
- FIG. 8 is a cross-sectional view showing details of the reinforcing bar connection according to the seventh embodiment of the present invention.
- FIG. 9 is a cross-sectional view showing the details of the processing groove of the present invention.
- FIG. 10 is a cross-sectional view showing a plurality of stepped portions and the engaging portion of the present invention.
- Fig. 11 is a cross-sectional view showing details when a protrusion is formed on the second joined end member of the present invention and a receiving portion is formed on the first joined end member.
- 12 to 14 are cross-sectional views showing details of end shapes of the first joined end member and the second joined end member of the present invention.
- 15 and 16 are cross-sectional views showing details of the uneven surface of the first joined end member and the second joined end member of the present invention.
- Fig. 17 is a cross-sectional view showing details in which cross-sectional shapes of the first joined end member and the second joined end member of the present invention are multistage.
- Fig. 18 is a cross-sectional view showing details of a state where an ignition tip is inserted into an end face of a first joined end member of the present invention.
- 19 is a partial cutaway view showing the details of the reinforcing bar between the upper and lower reinforcing bar cage according to the first embodiment of the present invention.
- 20 is a partial cutaway view showing the details of the reinforcing bar between the upper and lower reinforcement cage according to a second embodiment of the present invention.
- the longitudinal cross section means a cross-sectional shape that appears when cutting along the longitudinal direction of the reinforcing bar and the transverse cross section means a cross-sectional shape that appears upon cutting perpendicular to the longitudinal direction of the reinforcing bar.
- Figure 2 is a cross-sectional view showing the details of the reinforcing bar connection according to the first embodiment of the present invention.
- the first embodiment according to the present invention includes a first reinforcing bar 100, a second reinforcing bar 110, a first joint end member 120, a second joint end member 130 and a fastening socket 140.
- adjacent reinforcing bars are provided facing each other, and the two reinforcing bars are respectively the first reinforcing bars 100 and the second reinforcing bars 110, and each of the reinforcing bars is a deformed reinforcing bar or a threaded bar. Therefore, the rebar is selected.
- the first joint end member 120 is joined to the end of the first reinforcing bar 100, but the first joint end member 120 is a length member formed along the longitudinal direction of the reinforcing bar and the first reinforcing bar 100 and Ends to be joined may be formed in a similar width so that the width of the cross-sectional area to form a joint structure with the outer surface of the first reinforcing bar 100, the end shape of the direction facing the second joint end member 130 for the joint connection of the reinforcing bar This can be done by adjusting the width of the cross-sectional area as necessary so that the width of the cross-sectional area supports the tensile force.
- the reinforcing direction of the first joint end member 120 is precision sheared so that the end face is orthogonal to the longitudinal direction of the reinforcing bar to increase the quality of the joint surface.
- the outer surface of the first joint end member 120 is provided with a fastening socket 140 coupling male thread portion 121 formed along the longitudinal direction, the male screw portion 121 is coupled with the fastening socket 140 to be described later.
- the range of the section in which the male screw portion is formed as the male screw portion 121 for coupling the coupling socket 140 is formed integrally with the coupling length to enable the joint by the coupling socket 140.
- the range of the screw section is preferably to have a width similar to the width of the cross-sectional diameter of the rebar to be fastened.
- the threaded portion may be embodied in various shapes and grades with respect to the threaded portion in order to precisely join the first bonded end member 120.
- the second joint end member 130 which is opposed to the first joint end member 120, is a member extending in the longitudinal direction like the first joint end member 120, and the other end is connected to the end of the second reinforcing bar 110. Bonded and butted to the first bonded end member 120 of one side end may be various embodiments corresponding to the first bonded end member 120.
- the cross-sectional width of the second bonding end member 130 in the opposing direction and the cross-sectional width of the first bonding end member 120 in the opposing direction are such that the outer surface forms a joint structure, but the coupling socket 140 can be coupled. It is preferable to carry out wide so that the width of the joint end member in which the screw part 121 is formed increases by the height of a thread.
- the second bonding end member 130 is spaced apart from the one end portion is provided with a shape forming a step 131 is vertical in the longitudinal direction one end portion in the longitudinal direction.
- the stepped step 131 may be provided with one or a plurality of bar bars when the size of the reinforcing bar is large, it is preferable that the stepped step 131 is provided with a plurality.
- the width of the second joint end member 130 has a shape in which the width of the step 131 is added to the width of the second reinforcement 110 to which the second joint end member 130 is to be joined, and the step 131 is formed.
- the width of the step 131 is added to the width of the second reinforcement 110 to which the second joint end member 130 is to be joined, and the step 131 is formed.
- a plurality of is made of a plurality of stepped 131 is added to all the width and the second joint end member 130 has a similar width to form a joint structure with the second reinforcing bar 110 but stepped 131
- the shape is stepped around the waist by the shape.
- Fastening socket 140 for fastening the first joint end member 120 and the second joint end member 130 after the end portions of the first joint end member 120 and the second joint end member 130 meet each other. After the butt end is fully received and accommodated into the inner surface of the), the butt end shape outer surface of the first joint end member 120 and the second joint end member 130 is secured so that the joint of the butt end is firm. Make close contact with the inner surface of the 140.
- one side and the other side is opened in a hollow shape in the longitudinal direction of the inner surface is made of a width that accommodates the outer surface of the first joint end member 120 and the second joint end member 130 but extending in the longitudinal direction Even after being caught by the step 131 of the second joint end member 130 is received by the fastening socket 140, but the opposite ends of the first joint end member 120 and the second joint end member 130 is accommodated It is formed to be possible. Therefore, the fastening socket 140 extends in the longitudinal direction and extends in the longitudinal direction to accommodate all the outer surfaces of the first joint end member 120 and the second joint end member 130 and the inner surface of the fastening socket.
- a female thread part 141 is formed to be screwed with the male screw part 121 for coupling the fastening socket 140 of the outer surface of the first joint end member 120.
- one or more locking jaws 142 having a shape that may be caught by the stepped jaw 131 of the second joined end member 130 are formed on the inner surface of the second stepped end member 130.
- the female screw is fastened to the coupling screw 140 for coupling the socket 140 of the first joint end member 120 after being caught in one side, thereby fixing one side by the support of the step 131 and the locking step 142. And the other side is fixed by the combination of the screw portion.
- the surface forming the stepped jaw 131 and the fastening jaw 142 is formed in the longitudinal direction of the fastening socket 140 so that the shape of the stepped jaw 131 and the fastening jaw 142 can be easily elaborated in the fastening process. It can be carried out to achieve a desired angle of acute angle, right angle and obtuse angle.
- the longitudinal cross-sectional shape of the stepped jaw 131 is formed at an acute angle with respect to the axial direction of the end surface to the center in the longitudinal direction, and the shape of the locking jaw 142 that is engaged in the same shape in the fastening process
- the surface of the fastening socket 140 that is formed by the acute angle of the locking jaw 142 of the socket forms the stepped jaw 131 and the locking jaw 142. If only a right angle can be generated more easily and the surface area that is in close contact with the support even after being increased can be achieved more tightly integrated coupling.
- the fastening socket 140 is pre-coupled to the second joint end member 130 before the second joint end member 130 is joined to the second reinforcing bar 110, so that the second joint end member After the 130 is bonded to the second reinforcing bar 110, the fastening socket 140 may be moved in the direction of the first joint end member 120.
- the first joint end member 120 is an end portion of the second joint end member 130.
- the fastening socket 140 is rotated in the fastening screw direction so that the female screw portion and the male screw portion are coupled so that the first joint end member 120 and the second joint end member 130 are fastened to the socket 140.
- the first joining end member 120, the second joining end member 130, and the fastening socket 140, which form an integral fastening, are independent connectors that can be joined to the ends of the reinforcing bars, thereby enabling an integrated coupling with only simple components. do.
- the locking jaw 142 of the fastening socket 140 is completely in close contact with the stepped jaw 131 and moves while pulling the second joint end member 130.
- the first joint end member 120 and the second joint end member 130 are strongly opposed to each other by the locking step 142 and the step 131.
- the mutually intimate contact occurs between the end shapes of the two joint end members 130 and the first connection end member 120 and the second joint end member 130 are rotated as the fastening socket 140 is further rotated in the engagement direction. Tightening is complete.
- the first joint end member 120, the second joint end member 130, and the fastening socket 140 which are components of the present embodiment, will be described in more detail, and the joint end member may be screwed with the fastening socket 140. It is integrated but the bonding end member is separated into two consists of the first bonding end member 120 and the second bonding end member 130 and the first bonding end member 120 and the second bonding end member 130 After joining and integrating the two reinforcing bars respectively, screwing the two joining end members with the fastening socket 140 forms a constitution of joining the two bars.
- the first bonded end member 120 has a rod-shaped cross section having a circular cross section and an end direction on the other side to have a structure in which the shape is the same as or similar to the width of the first reinforcing bar 100.
- the shape is extended in the width of the end direction shape is formed similarly to the width of the end direction of the second joint end member 130 is a slightly wide bar shape, but the fastening socket coupling male thread portion 121 is formed in the extended portion Due to this, the width of the shape of the end portion of the second joint end member 130 is added to the width of the screw thread, and the width is stepped in the vicinity of the end portion along the longitudinal direction to become an expanded bar shape.
- the width of the end of the first joint end member 120 is formed to be larger than the width of the end direction of the second joint end member 130 by the height of the screw thread to be coupled to the fastening socket 140. Therefore, the first joined end member 120 has a bar shape forming a stepped structure in the vicinity of the end portion facing the second reinforcing bar 110 direction. Therefore, due to the stepped structure, the bar is shaped to have the same or similar width as the shape of the first reinforcing bar 100, and the width of the bar is extended in a stepped manner in the vicinity of the end portion facing the second reinforcing bar 110 in the longitudinal direction. It becomes a shape.
- the layer-expanded shape includes all the structures of which the width is expanded in any form, including any one of an expanded shape selected from an acute angle, a right angle, an obtuse angle, and a tapered shape.
- the second joint end member 130 also has a cross-sectional shape so as to have a structure that is the same or similar width and width of the second reinforcement 110, so that one end shape is a rod shape and the other end shape is an end shape Is a slightly wider bar shape, but the locking jaw 142 of the fastening socket 140 is formed and flows slightly smaller than the inner surface of the fastening socket 140 so that the fastening socket 140 can flow from the outer surface.
- Protruding band-shaped stepped jaw (131) is formed is a bar shape of the stepped structure.
- the width is stepped in a layered manner in the vicinity of an end portion facing in the direction of the first reinforcement 100 so as to have the same or similar width as the end shape of the first joined end member 120.
- the layered shape includes any structure having an expanded width in any shape.
- the protruding band-shaped step 131 may be a protruding band-shaped shape that is enclosed from the vicinity of the bar shape in which the width of the second joining end member 130 is extended to the end surface of the second joining end member 130, or the second step.
- the width of the joined end member 130 may be shortened in the vicinity of the expanded bar shape to form a protruding band shape.
- the step 131 is shortened to have a narrow width, and forms a protruding band shape, the shape after the end of the step 131 along the longitudinal direction of the second joint end member 130 becomes a bar shape.
- the width may be equal to or slightly adjusted as the width of the bar shape before the step 131 starts.
- the inner surface of the fastening socket 140 has a cylindrical shape and has an inner surface circumferentially rotatable in the fastening tightening screw direction with an axis in the longitudinal direction, and is rotated to flow or screw on the outer surface of the second joint end member 130.
- Directional flow can be made and has a structure that can flow around the width of the connecting end member that is bar-shaped as a whole.
- the inner side of the fastening socket 140 on the opposite end of the fastening socket engaging female screw portion 141 toward the center in a protruding band shape.
- Protruding locking step 142 is provided.
- the stepped jaw 131 forms a protruding band shape on the outer surface of the second joint end member 130
- the engaging jaw 142 forms a protruding band shape on the inner surface of the fastening socket 140.
- the inner surface of the fastening socket 140 is circumferentially rotatable in the fastening screw direction in the longitudinal direction, and the second connection end into the inside of the fastening socket 140 because a female threaded portion 141 for fastening socket coupling is formed.
- the second joint end member 130 is formed by enclosing a rod shape having an expanded width of the member 130 and forming a fastening socket coupling female thread part 141 on an inner surface of an end portion protruding further toward the first joint end member 120.
- the width of the width of the first bonding end member 120 and the fastening socket 140 has a structure in which the width of the rod and the width of the first bonding end member 120 are extended to each other.
- the tensile force generated in the end according to the specification of the reinforcing bars to be connected is the screw coupling structure of the fastening socket and the first joint end member and the step of engaging the fastening socket and the second joint end member Since the holding jaw 170 and the stepped jaw 171 are formed in plural in multiple stages, the tension force is distributed to the plurality of stepped jaws 171 which are closely adhered to each other, thereby achieving a stable support structure. do.
- the cross sectional area of the step 131 and the locking step 142 is the same as the cross sectional area of the bar to be joined or the cross sectional area of the bar to be joined so as to withstand the tensile strength of the rebar to be fastened to the step 131 and the locking step 142.
- a small area is formed according to the strength of the rebar.
- the shape of the end portion where the first bonding end member 120 and the second bonding end member 130 are opposed to each other may be varied in various embodiments.
- the end shape of the first joint end member 120 may be a protrusion formed in the longitudinal direction
- the end shape of the second joint end member 130 may be a receiving portion fitted into the same shape as the protrusion. That is, the end portion protrudes from the first bonding end member 120, but the protruding end portion is in contact with the first bonding end member 120 and the second bonding end member 130 according to a characteristic of the protruding shape. Simple configuration can be achieved.
- the opposing action of the first bonding end member 120 and the second bonding end member 130 is a series of the main bars forming the reinforcing cage in the coupling operation of the reinforcing cage as well as in the combination of the single reinforcing bar and the reinforcing bar It provides the technical features to achieve a smooth coupling with the main bars of the placed rebar cage.
- the end shape of the second joint end member 130 is formed to have the same shape as the first joint end member 120 so that it is not embossed to protrude in the direction of the first joint end member 120 but is engraved to form an accommodating part. When formed in the direction of the second reinforcement 110 it is possible to form a receiving portion fitted to the protrusion.
- the protrusion is not necessarily provided at the first joint end member 120, but the protrusion 132 is provided at the second joint end member 130, and conversely, the first joint end member 120 is provided. ) May be provided with a receiving portion 122 of the protrusion. That is, the formation of the protruding direction and the receiving direction can be selectively performed by mutually inverting each other according to the position and condition of the reinforcing bar.
- the end shape of the first joined end member 120 is, for example, a cone 810, a truncated cone 820, a cone 830, a cylinder, protruding from the center in the longitudinal direction,
- the polygonal pyramid, the polygonal pyramid 840, a polygonal weight, a polygonal pillar, a cutting sphere shape, a cut elliptic sphere shape 850, a plane 860 perpendicular to the longitudinal direction and the uneven surface may be selected.
- the shape of the cone 810 protruding from the center in the longitudinal direction forms a shape in which the end shape of the end face is directed toward the tip of the cone 810 in the direction of the second reinforcing bar 110. It may be formed to achieve various area proportions with respect to the cross-sectional area of the first reinforcing bar 100.
- the circumference of the lower circumference is formed to correspond to the cross-sectional area of the first reinforcing bar 100
- the cross sectional area is increased to reach the lower circumference of the cone 810 shape and is reduced compared to the cross-sectional area of the first reinforcing bar 100.
- the cross sectional area is then reduced such that the cross sectional area reaches a lower circumference of the cone 810 shape.
- the end of the first joint end member 120 in the shape of the cone 810 is contacted at one time when the end to be joined of the pre-assembled rebar mesh of the reinforcing cage in the assembly of the reinforcing cage is uneven
- the cone 810 of the second splice end member 130, the tip of the shape of the cone 810, which is the end shape of the first splice end member 120 bonded to the plurality of the main end ends It comes in contact with a predetermined part of the accommodating part having the same shape as) and naturally guides it to fit snugly.
- the upper reinforcing cage is doubled by lifting equipment to match the central axis of the end of the reinforcing cage to be connected with the lower reinforcing cage, and the lower reinforcing cage is gradually lowered while adjusting the reinforcing bars to coincide with the center line.
- Conical 810-shaped protrusion of the joined first bonded end member 120 is guided by the cone 810-shaped receiving portion of the second joined end member 130, the center axis is naturally matched and abutted and butted
- fastening socket 140 pre-coupled to the reinforcing bars of each reinforcing bar in the direction of the first reinforcing bar 100 fastening of the upper and lower reinforcing cage is made.
- the shape of the cone 810 may form the shape of the truncated cone 820, which is a shape cut in the transverse direction at a predetermined place.
- the tip of the cone may be processed to have a rounded shape, thereby forming a cone 810 having a rounded shape at the tip.
- the circumference of the circumference may be implemented as a boss having a cylindrical shape that is formed at a desired distance spaced a predetermined distance from the center within the outer diameter range of the first bonding end member 120 to enable abutment.
- the end shape of the first joint end member 120 protruding from the center in the longitudinal direction is a polygonal pyramid formed from a polygon that forms a tip of the first reinforcement 100 in the lower direction of the polygon and the cross-sectional area becomes narrower toward the top
- the The polygonal pyramid may form the shape of the polygonal pyramid 840 which is a shape cut in the transverse direction at a predetermined place.
- the tip of the polygonal pyramid may be processed to have a rounded shape, thereby forming a polygonal shape having a rounded shape at the tip.
- a polygonal corner may be implemented as a boss having a polygonal column shape that is formed at a desired distance within the outer diameter range of the first joint end member 120 from the center to allow abutment.
- the shape of the cone, truncated cone, cone, cylinder, polygonal pyramid, polygonal truncated cone, polygonal cone, polygonal column, cutting sphere, cutting ellipsoidal shape and irregularities at the end of the plane Such modified embodiments are included within the scope of the present invention as such may be practiced.
- the end shape may form a cutting sphere shape to form a curved surface to smooth the end-to-end smoothness, or the inner diameter of one side is extended to form an ellipse to form a cut elliptical sphere shape 850 different depending on the surface curvature.
- the cutting spherical shape and the cutting ellipsoidal shape 850 include a case in which a complete spherical shape or a shape in which a spheroid is cut at a predetermined position forms an end shape of the first splicing end member 120.
- the shape cut by the parallel or non-parallel plane on the end face includes both the case having a clear side or vertex or the shape having a round without a clear side or vertex.
- the end shape of the first bonding end member 120 may form a plane 860 perpendicular to the longitudinal direction, and may have a cross section facing each other to form a plane 860, and may also form an uneven surface.
- the shape of the second joint end member 130 has the same shape as that of the first joint end member 120, so that the shape is not embossed in the direction of the first joint end member 120. It is engraved to be formed in the direction of the second reinforcing bar 110 to form a receiving portion can be achieved in the receiving portion fitted to the protrusion.
- the end shape is not necessarily provided on the first joint end member 120, but the protrusion 132 is provided on the second joint end member 130, and conversely, the first joint end member 120 is formed on the first joint end member 120.
- Receiving unit 122 may be provided. That is, the formation of the embossed direction and the intaglio forming direction forming the accommodation part can be selectively performed by inverting according to the position and condition of the reinforcing bar.
- the end shape of the first splicing end member 120 or the second splicing end member 130 may form, for example, a multi-stage inclined protrusion 835 protruding from the center in the longitudinal direction. have.
- the multi-stage inclined protrusions 835 are divided into sections D1 and sections D2 in which the surface area of the cross section perpendicular to the central axis is narrow in the longitudinal direction. Is done.
- the multi-stage inclined protrusion 835 is guided into the receiving portion from the contact surface of the joined end member.
- each main rod can be axially aligned by the multi-stage inclined protrusion 835, so that the connection joints can be easily configured during the site construction of the rebar network to which the pre-assembled method is applied.
- the reinforcing bar to be joined from the supporting point P by the section having a constant cross section is introduced into the receiving part for the joint connection of the horizontal reinforcement from the section D2 of which the surface area is constant.
- the accommodating portion of the multi-stage inclined protrusion 835 is formed in a shape corresponding to the multi-stage inclined protrusion 835 and is accommodated as a fitting groove when the accommodating portion has the same inner shape as that of the multi-stage inclined protrusion 835.
- the multi-stage inclined protrusion 835 is fitted to form a registration.
- the multi-stepped inclined protrusion 835 and the receiving portion of the first junction end member 120 and the second junction end member 130 may be interchanged with each other.
- the concave-convex surface forming the end shape of the first joint end member 120 is a triangular shape 910, a quadrangular shape 920, and a rounded triangle that protrude from the end surface. Any one selected from a phase, a rounded square shape 930, a cutting sphere shape, a cut elliptic sphere shape, a cross-shaped cross shape 940 formed on an end surface, a cross-shaped cross shape, and a colgate shape 950; One can be made of one or a plurality of convex parts provided and recessed portions to accommodate the convex portions.
- an equidistant distance from the center of the end surface and a longitudinal cross-sectional shape in a triangular shape 910 forms one or more convex portions and a second concave end member 130 having a recessed portion for accommodating the convex portions. Can be achieved.
- the concave-convex surface of the triangular shape 910 has a shape in which a plurality of protrusions of the triangular shape 910 are formed when looking at the longitudinal cross section of the first joint end member 120, and when the end surface is faced, a circular shape is formed at the top edge thereof.
- the convex part becomes a longitudinal section of the second joint end member 130, the same shape is engraved, and when the end surface is viewed, the concave part receives the circular convex part.
- the tip is rounded, it forms a triangular uneven surface forming a round shape.
- the uneven surface may form an uneven surface consisting of a triangular shape 910 as well as a rectangular shape 920. That is, the uneven surface of the quadrangular 920 has a shape in which a plurality of protrusions of the quadrangular 920 are formed when looking at the longitudinal cross section of the first joint end member 120, and when the end surface is viewed, two corners are formed at the top.
- the circular convex portion is formed and the longitudinal cross section of the second joint end member 130 is viewed, the same shape is engraved, and when the end surface is viewed, the concave portion receives the circular convex portion.
- the tip is rounded to form an uneven surface of a rectangular shape (930) forming a round shape.
- the end shape may form an uneven surface formed of a shape in which a plurality of cutting or cutting elliptical spheres protrude.
- first bonding end member 120 when looking at the end surface of the first bonding end member 120 may be formed in a shape provided with a protrusion forming a crisscross shape (940).
- the intersecting straight protrusions constituting the tenth cross may be arranged radially with respect to a plurality of centers to form finer crossovers, or the crisscross shape 940 may be combined with the circular protrusions.
- a protrusion of a corrugated corrugated shape 950 is formed on an end surface of the first splicing end member 120, and an end surface of the second splicing end member 130 is formed of the colgate shape 950.
- the receiving portion may be formed to be unevenly coupled.
- the convex portion is not formed in the first splicing end member 120, but the convex portion is formed in the second splicing end member 130, and the receiving portion is formed in the first splicing end member 120. Can be.
- the fitting is difficult to occur in the process of abutment between the end shapes, and if it is too large, the first bonding end member according to the embodiment ( 120) and the second bonding end member 130 may interfere with or deform during construction, so it is preferable to selectively carry out to achieve the most desirable shape.
- the embodiment is not limited to any of the above end shapes of the first joint end member 120 and the second joint end member 130, and even a randomly combined shape of the above-mentioned shape that enables precision engagement is easily derived. This will be possible.
- the first joint end member 120, the second joint end member 130, and the fastening socket are separate components, respectively.
- the first joint end member 120 and the second joint end member are separate members each having one piece.
- three parts, each of which are one piece, are made of one piece to enable reinforcing bars.
- FIG. 3 is a cross-sectional view showing details of the reinforcing bar connection according to the second embodiment of the present invention.
- the first reinforcing bar 200, the first reinforcing bar 210, the first joining end member 220, the second joining end member 230, the fastening socket 240, and the intermediate joining member are provided. 250 and the lock nut body 260 are included.
- the joints of the reinforcing bars that are not already flowable due to the linear reinforcement do not have an adjustable margin at both ends thereof, so that the first joint member 220 and the second joint member 230 are separated. If the ends cannot be abutted, the fastening is not easy. Therefore, in the second embodiment, the intermediate bonding member 250 is interposed between the first bonding end member 220 and the reinforcing bar or between the second bonding end member 230 and the reinforcing bar or the first bonding end member 220 is disposed. ) And the joint length between the first reinforcing bar 200 and the first reinforcing bar 210 may be implemented by interposing the intermediate joining member 250 between the second joining end member 230 and the second joining end member 230.
- the intermediate bonding member 250 when the intermediate bonding member 250 is interposed between the first reinforcing bar 200 and the first bonding end member 220, the intermediate bonding member 250 is a length member, one side end portion In a predetermined section joined to an end of the first reinforcing bar 200 and extending from one end to the other end, a male screw part 251 for coupling the intermediate joining member 250 is formed, and the first joining end member 220 is formed in the intermediate section.
- An accommodating groove 221 is formed to accommodate the bonding member 250, and an internal thread part 222 for coupling the intermediate bonding member 250 is formed on an inner surface of the accommodation groove 221 so that the first bonding member is the intermediate bonding member. After the insertion of the 250, the fine adjustment of the combined position is possible.
- the end shape of the first joint member 220 and the second joint member 230 is different due to the spacing between the reinforcing bars that are too far apart or uneven.
- the second joint end member is rotated by screwing the first joint end member 220 inserted into the intermediate joint member 250 forward and backward to absorb the construction error. It is possible to adjust the position so as to fit snugly against the end of 230.
- the lock nut body 260 is tightened to fix the position of the first joint end member 220. Therefore, the lock nut body 260 is preferably inserted into the intermediate bonding member 250 to fix the position by tightening, and then the first bonding end member 220 is inserted into the lock nut body 260.
- the upper reinforcing cage which is a pre-assembled reinforcing bar
- the upper reinforcing cage consisting of a main bar joined to the end by the first welding end member 220 by the lifting equipment
- the lower reinforcing bar cage and the end is lowered first, and then tightening the fastening socket 240 against the rebar, which is fitted with both ends is fitted, and then of the first joint member 220 and the second joint member 230
- the first and second joining end member 220 and the second joining end member 230 are adjusted so that the end shape is butted to the fastening socket ( Lifting 240 to integrally fasten the remaining reinforcing bars and lock with the lock nut body 260 to complete the fastening between the upper and lower reinforcement cage.
- the lock nut body 260 may form a hexagon or polygons of hexagonal shape or more, such as nuts commonly used by cross-sections forming a circular or polygonal shape.
- An end portion of the first bonding end member 220 corresponding to the intermediate bonding member 250 is provided with a gripping surface having a pair or a plurality of planes facing each other in a circular or polygonal cross-sectional shape up to a predetermined distance from an end surface. It can be implemented by selecting from the shapes. Accordingly, when tightening the lock nut, the first joint end member 220 can be gripped more firmly to smoothly tighten the lock nut, and the lock nut body 260 is connected to the first joint end member.
- the cross section is made of polygons of hexagonal shape or more, so that tool holding is easy and the cross sectional area of the hexagonal shape may be increased.
- the intermediate bonding member 250 is interposed between the second bonding end member 230 and the first reinforcing bar 210 or is provided at both sides of the first bonding end member 220 and the second bonding end member 230.
- the seam length can be adjusted to the distance of the rebar. That is, when the intermediate bonding member 250 is provided on both sides, it is possible to adjust the range of the joint length further extended.
- the fastening socket 240 has the same configuration as the first embodiment.
- Figure 4 is a cross-sectional view showing the details of the reinforcing bar connection according to the third embodiment of the present invention.
- a female thread part 332 may be provided to accommodate the shape to bond the screw joint rebar with the first joint end member 330.
- the screw node of the threaded reinforcing bar is coupled to the inner surface of the sleeve so that the first threaded bar and the second threaded bar are fastened.
- the end shape of the sleeve has a tapered protrusion in which one end in the axial direction of one sleeve protrudes in a tapered shape, and one end in the axial direction of the other sleeve fits snugly in the tapered protrusion.
- the tapered groove is formed of a funnel-shaped groove
- the present invention is not a shape of the tapered protrusion, but an end shape of the first joined end member 330 protrudes from a center in the longitudinal direction, a polygonal pyramid, and a polygonal pyramid.
- Polygonal weight, polygonal column, cutting spherical shape 331, the elliptic spherical shape plane 360 perpendicular to the longitudinal direction and the uneven surface selected It is formed in a configuration that make one feel.
- the end shape is cylindrical, polygonal pyramid, polygonal pyramid, polygonal weight, polygonal column, cutting sphere shape 331, cutting elliptical sphere shape, the plane and the concave-convex surface perpendicular to the longitudinal direction and the fastening socket 340 is the same as the first embodiment Has a configuration.
- Figure 5 is a cross-sectional view showing the details of the reinforcing bar connection according to the fourth embodiment of the present invention.
- the fourth embodiment according to the present invention includes a first reinforcing bar 410, a second reinforcing bar 420, a first joint end member 430, a second joint end member 440 and a fastening socket 450.
- the first reinforcing bar 410 and the second reinforcing bar 420 are reinforcing bars having male threaded portions 411 and 421 formed at ends thereof so as to be coupled by a screw method, and the first joined end member 430.
- An accommodating groove 431 is formed in the end to accommodate the end of the reinforcing bar formed with the male screw part 411, and the accommodating groove 431 is screwed into the male screw part 411 formed at the end of the first reinforcing bar 410.
- a female screw portion 432 to be coupled is formed.
- the first reinforcing bar and the second reinforcing bar is a reinforcing bar with a male thread at the end, and is formed at the end of the reinforcing bar on the inner surface of the sleeve so as to be screwed.
- a configuration in which a male screw portion is coupled the end shape of the sleeve is formed with a tapered protrusion in which one end in the axial direction of one sleeve protrudes in a tapered shape, and one end in the axial direction of the other sleeve is formed in the tapered protrusion.
- the present invention provides a tapered recess formed of a funnel-shaped recess fitted with a cylindrical shape in which the end shape of the first joining end member 430 is not the shape of the tapered protrusion, the protruding column from the center in the longitudinal direction, Polygonal pyramid, polygonal pyramid, polygonal pyramid, polygonal pillar, cutting sphere shape (433), cut elliptical sphere shape perpendicular to the longitudinal direction Formed as the planar surface 460 and forming an uneven surface configuration of any selected one it is.
- the end shape is cylindrical, polygonal pyramid, polygonal pyramid, polygonal weight, polygonal column, cutting sphere shape, cutting ellipsoidal shape, plane and irregular surface perpendicular to the longitudinal direction and the fastening socket 450 has the same configuration as the first embodiment .
- FIG. 6 is a cross-sectional view showing the details of the reinforcing bar connection according to the fifth embodiment of the present invention.
- the female threaded portion for threaded reinforcing bar coupling threaded to the end of the first screw-bar reinforcing bar 510 is formed in the longitudinal direction through the first threaded bar is penetrated through the first joint end member 530.
- the male screw portion 531 for coupling socket 550 is formed in the longitudinal direction.
- the second threaded reinforcing bar 520 facing the threaded threaded reinforcing female threaded portion 532 which is screwed to the end of the second threaded reinforcing bar 520 on the inner surface is formed through the longitudinal direction
- the second threaded reinforcing bar 520 penetrates through the second joint end member 540 to protrude in the direction of the first threaded reinforcing bar 510, and one end in the axial direction is perpendicular to the longitudinal direction on the outer surface thereof. It is provided with one or a plurality of stepped jaw of the fastening socket is in close contact.
- the opening is formed in the longitudinal direction and extends in the longitudinal direction to accommodate the outer surface of the second joint end member 540 and the outer surface of the first joint end member 530.
- a coupling socket 550 coupling female thread portion 541 is screwed to the coupling socket 550 coupling male screw portion 531 of the coupling end member 530 is formed in the longitudinal direction and the second coupling end member 540 Is provided with a hollow fastening socket 550 having one or a plurality of locking jaws that are caught on the step of the second step and is moved in the direction of the first joined end member 530 from the second joined end member 540 and fastened. This becomes possible.
- the first joint end member 530 penetrates and is inserted into the first first screw-bar rebar 510 and the extending direction of the fastening socket is first formed in the second screw-bar rebar 520.
- the second threaded end member 540 is penetrated and inserted in advance in the second screw-bar rebar 520 to face in the rebar direction.
- the protruding ends of the first screw-bar rebar 510 and the second screw-bar rebar 520 may be closely attached to each other.
- the fastening socket 550 is moved in the direction of the first screw node reinforcing bar 510 and rotates in the fastening direction so that the locking jaw of the fastening socket 550 of the second joint end member 540 is moved.
- the end surface of the first threaded reinforcing bar 510 and the end surface of the second threaded bar reinforcing bar 520 are rotated in a fastening direction such that the end faces of the first threaded bar reinforcing bars 520 are brought into close contact with each other.
- the first screw joint rebar 510 and the second screw joint rebar 520 are integrally fastened by the fastening socket 550 by the first joint end member 530 and the second joint end member 540. This mechanical joining is completed.
- the ends of the first screw-bar rebar 510 and the second screw-bar rebar 520 are closely supported to each other, thereby allowing joints of the steel bars to be stably held in the longitudinal direction.
- the end faces of the first threaded bar-shaped rebar 510 and the second threaded bar-shaped rebar 520 that are closely supported may have various shapes.
- the end shape of the first screw node reinforcing bar 510 and the second screw node reinforcing bar 520 is an end shape of the first joint end member 530 and the second joint end member 540 of the first embodiment. Has the same configuration as
- the end shape of the first threaded reinforcing bar 510 is a cone 511, a truncated cone, a cone, a cylinder, a polygonal pyramid, a polygonal truncated cone, a polygonal cone, a polygonal pillar, a cutting sphere shape, and a truncated ellipsoidal shape. Any one selected from the plane 560 perpendicular to the longitudinal direction and the concave-convex surface, but is possible with respect to the ends of the first threaded rebar 510 and the second threaded rebar 520 in the selected embodiment.
- the machining shape may be cut from the machining method through the rotational motion and may be processed into a cone, a truncated cone, a cutting sphere, and an elliptical sphere shape.
- the end shape of the second threaded reinforcing bar 520 is the receiving portion of the end shape of the first threaded reinforcing bar 510 having the same shape as the end shape of the first threaded reinforcing bar 510 and
- the end shape of the first threaded reinforcing bar 510 and the end shape of the second threaded bar reinforcing bar 520 may be selected and implemented.
- the end of the first threaded reinforcing bar 510 may have a conical or truncated conical shape, and the end of the second threaded reinforcing bar 520 may be fitted into the receiving part having the shape. That is, since the end area of the first threaded reinforcing bar 510 becomes a narrower space than the end area of the first joined end member 530, the shape of the end is easy to process due to the narrow space of the accommodating part. It is preferable that abutment with is selected in the shape which is easy.
- the uneven surface has the same configuration as in the first embodiment.
- the fastening socket 550 has the same configuration as the first embodiment.
- Figure 7 is a cross-sectional view showing the details of the reinforcing bar connection according to the sixth embodiment of the present invention.
- the first reinforcing bar 610, the second reinforcing bar 620, the first joint end member 630, the second joint end member 640, and the fastening socket 650 are provided.
- Including the first reinforcing bar 610 and the second reinforcing bar 620, unlike the fifth embodiment is a reinforcing bar with a male thread formed on the end.
- a female threaded portion for reinforcing bars having a male threaded portion formed at an end screwed to an end of the first reinforcing bar 610 on the inner surface thereof penetrates in a longitudinal direction, so that the first reinforcing bar penetrates through the first joined end member 630 and the second reinforced steel is formed.
- Protruding in the direction of 620 and the outer surface has a configuration in which the male screw portion 631 for the coupling socket 650 is formed in the longitudinal direction.
- the second reinforcing bar 620 facing the second reinforcing bars are formed in the longitudinal direction through the reinforcing bars of the female threaded portion 632 formed with a male threaded portion at the end screwed to the end of the second reinforcing bar 620 on the inner surface 620 is protruded in the direction of the first reinforcing bar 610 through the second joint end member 640 and one end in the axial direction on the outer surface is perpendicular to the longitudinal direction so that the locking jaw of the fastening socket is in close contact
- One or more steps are provided.
- the first embodiment it is opened in the longitudinal direction and extends in the longitudinal direction to accommodate the outer surface of the second joint end member 640 and the outer surface of the first joint end member 630, and the inner surface
- a female socket portion 541 for coupling the socket 650 to be screwed to the male socket portion 631 for coupling the socket 650 of the first joint member 630 is formed in the longitudinal direction
- the second joint member 640 is formed in the longitudinal direction. Is provided with a hollow fastening socket 650 having one or a plurality of locking jaws that are caught on the steps of the second step and is moved from the second joint end member 640 in the direction of the first joint end member 630. This becomes possible.
- the first joint end member 630 penetrates and inserts into the first reinforcing bar 610 and the second rebar 620 extends in the extending direction of the fastening socket toward the first reinforcing bar.
- the second reinforcing end member 640 is penetrated and inserted into the second rebar 620 in advance. As a result, the protruding ends of the first reinforcing bar 610 and the second rebar 620 may be held in close contact with each other.
- the fastening socket 650 is moved in the direction of the first reinforcing bar 610 and rotates in the fastening direction so that the locking jaw of the fastening socket 650 is in close contact with the step of the second joint end member 640. It is supported and rotated in the fastening direction so that the end surface of the first reinforcing bar 610 and the end surface of the second rebar 620 is in close contact with each other.
- first joint end member 630 and the second joint end member 640 are integrally fastened by the fastening socket 650, the first rebar 610 and the second rebar 620 are mechanically completed. do.
- the ends of the first reinforcing bar 610 and the second reinforcing bar 620 are closely supported to each other, so that the joints of the reinforcing bars that are stably tightly supported in the longitudinal direction are possible.
- End surfaces of the first and second reinforcing bars 610 and 620 that are in close contact with each other may be embodied in various shapes.
- the end shapes of the first reinforcing bars 610 and the second reinforcing bars 620 have the same configurations as the end shape embodiments of the first joining end member 630 and the second joining end member 640 of the first embodiment.
- the end shape of the first reinforcing bar 610 protrudes from the center of the longitudinal direction 511, truncated cone, cone, cylinder, polygonal pyramid, polygonal pyramid, polygonal cone, polygonal column, cutting sphere shape, cutting ellipsoidal shape, longitudinal direction
- Any one selected from the plane 560 and the concave-convex surface perpendicular to the, but in the selected embodiment the possible machining shape for the end of the first reinforcing bar 610 and the second reinforcing bar 620 is a machining method through a rotary motion It can be cut from the shape and can be processed into cones, truncated cones, cutting and ellipsoidal shapes, and the like.
- the end shape of the second reinforcing bar 620 is an accommodating part of the end shape of the first reinforcing bar 610 to form the same shape as the end shape of the first reinforcing bar 610 and the end shape of the first reinforcing bar 610 and
- the end shape of the second reinforcing bar 620 may be selected and implemented in any one of the shape performed inverted.
- the end of the first reinforcing bar 610 to form a cone or truncated cone shape and the end of the second reinforcing bar 620 may be made to fit tightly by forming a receiving portion of the shape. That is, since the end area of the first reinforcing bar 610 becomes a narrower space than the end area of the first joined end member 630, the shape of the end is easy to process due to the narrow space, and the receiving part is butted with the receiving part. It is preferable that the load is selected in a shape that is easy to load.
- the uneven surface has the same configuration as in the first embodiment.
- the fastening socket 650 has the same configuration as the first embodiment.
- the fifth embodiment and the sixth embodiment are preferable in the case where the reinforcing bar is made separately, and the parts joined by the lock nut do not need to be tightened, so that the lock nut is unnecessary and the fastening socket 650 alone is used for the first embodiment.
- the initial slip may be removed from the state in which the reinforcing bar is joined. That is, since the end of the butt tightly supported end is intimately connected by the fastening socket is connected integrally by the fastening socket there is no flow of reinforcing bar can be initially removed.
- Figure 8 is a cross-sectional view showing the details of the reinforcing bar connection according to the seventh embodiment of the present invention.
- the first reinforcing bar 710, the second reinforcing bar 720, the first joint end member 730, the second joint end member 740, the intermediate joint member 760, and the fastening socket 750 and the connection socket 770 but the detailed configuration of the first junction end member 730 and the second junction end member 740 has a different configuration than the second embodiment.
- the intermediate joining member 760 is interposed between the first reinforcing bar 710 and the first joining end member 730 or between the second reinforcing bar 720 and the second joining end member 740 or both sides. All may be intervened in.
- intermediate bonding member 760 for screwing the intermediate bonding member 760 and the connecting socket 770 in a predetermined section from the one end to the other end of the intermediate bonding member 760 to which the member 760 is joined.
- a coupling male thread 761 is formed, and the other end of the first joining end member 730 corresponds to the intermediate joining member 760 and for the screwing of the connecting socket 770 to a predetermined section from the other end.
- a connecting portion 741 is formed, but a male screw portion 742 for coupling a connecting socket 770 for screwing with the connecting socket 770 is formed in a section of the connecting portion 741, and the male screw portions 761 and 742 are formed.
- the connecting portion 741 is provided with a connecting socket 770 for connecting the intermediate bonding member 760, the connecting socket 770 is a length member and one side and the other side is a hollow body, the connection socket 770
- the inner surface of the connecting socket 770 is coupled to the male screw portion 742 and the intermediate screw member 760 coupling male screw portion 761 and the female screw portion 771 is screwed to the coupling socket 770 is formed. Rotation in the direction to enable the coupling with the intermediate bonding member 760.
- the intermediate bonding member 760 is interposed like the second embodiment, but the second embodiment includes the second bonding member 730 and the second bonding member to accommodate the intermediate bonding member 760.
- a receiving groove and a female screw part are formed in the end member 740.
- the seventh embodiment is different from the first joining end member 730 and the second joining end member 740 in which the connecting part 741 and the male screw part are formed. Will be achieved.
- a male screw portion for coupling the connecting socket 770 to the connecting portion 741 and the connecting portion 741 is formed for the first bonded end member 730 and the second bonded end member 740.
- the end shape of the first joint end member 730 and the second joint end member 740 may be adjusted to be in contact with each other in the range farther apart than the joint length control according to the second embodiment, and the connection part 741 may be used. Through this, it is possible to adjust the length of the reinforcing bar and to absorb the construction error.
- the end shapes of the first bonded end member 730 and the second bonded end member 740 that are closely supported may be formed in various shapes, and the first bonded end member 730 and the second bonded end member of the first embodiment may be used. It has the same configuration as the embodiment for the end shape of 740.
- the fastening socket 750 has the same configuration as the first embodiment.
- the first reinforcing bar 100, 200, 710 and the first joint end member 120, 220, 730 of each embodiment, the second reinforcing bar 110 , 210, 720 and the second bonding end member (130, 230, 740) of the junction, the first reinforcing bars (200, 710) and the intermediate joining members (250, 760) and the second reinforcing bars (210, 720) and Bonding of the intermediate bonding members 250 and 760 may be various embodiments, but the embodiment by welding will be described.
- a structure that is joined by any one selected from friction welding, linear friction welding, arc stud welding, butt welding, ultrasonic vibration welding, resistance welding, plasma welding, electron beam welding, laser welding, high frequency welding and argon welding can be used. You can think about it.
- the first reinforcing bar and the first joining end member are described as an example.
- friction welding is performed by clamping two metal materials into a friction welding machine to fix one side and friction rotation at a high speed before and after 2,000 rpm. If it is, the end can be joined due to the high temperature around 600 °C ⁇ 1,200 °C generated on the friction surface.
- the first reinforcing bar is clamped as a method of joining two materials by pressing it with strong pressure while suddenly stopping the rotation. Rotate the first joint end member at high speed so that the end to be joined is in close contact with the end of the first reinforcement to be friction, and when the end is joinable due to high heat, the first joint end member is moved in the first reinforcing direction. Pressurized to bond. In actual bonding, the end to be bonded is heated in advance to easily reach a high temperature state, and a natural bonding is induced through the pressurization of the first bonding end member even in a high heat state induction process.
- Linear friction welding is a method of joining two materials to be joined by reciprocating in a straight line. This method overcomes the point that the contact cross section must be circular in friction welding.
- the cross-sectional shape of the first joining end member forms a polygon rather than a circle, it becomes an easy friction joining method in joining with the first reinforcing bar.
- the friction welding and the linear friction welding is a solid phase welding to obtain the energy required for the joining in a mechanical manner.
- the arc stud welding method is an arc type and a condenser type (CD type) used as a method of generating an arc between the tip of the member, such as a stud bolt or a round bar, and a base material, and pressurizing when the welded part is melted.
- the arc type is mainly used for bolt or pin welding by a 6-phase control power source
- the condenser type is mainly used for single-phase power supply by a silicon controlled rectifier (SCR).
- SCR silicon controlled rectifier
- the base material is grounded at the cathode, wire is connected to the anode to supply power, and welding is performed.
- the cathode is grounded to the first joint end member like the stud, and the anode is grounded to the first reinforcing bar, so that the current required for welding from the stud welder is supplied to the end of the first joint end member.
- the first junction end member After contacting the end, in the state where the welding current from the welder is energized, the first junction end member generates a small amount of arc, and when melting occurs due to a high-temperature arc, the first junction end member is pressed again to melt the fusion site. Let it happen
- the end surface to be welded of the first joint end member is inserted into the ignition tip 970 to form a groove in the center to ignite the arc to insert the ignition Can be.
- the firing tip 970 is inserted in the center of the end surface of the first bonding end member to facilitate the generation of arc even when the width of the bonding end member is wide to obtain a high quality fusion surface.
- the ignition tip 970 is inserted into the center of the end surface of the joint end member by forming a groove in the center of the end surface to be welded to ignite the arc to ignite the width of the joint end member.
- Edo arc ignites from the center of the end face, so that melting from the center occurs and joins, thereby obtaining a high quality welded face.
- the bonding of the first joint end member and the first reinforcing bar by butt welding, ultrasonic vibration welding, resistance welding, plasma welding, electron beam welding, laser welding, high frequency welding and argon welding can be performed by those skilled in the art of welding joints for two base materials.
- the obvious technical configuration will be omitted because it is the content.
- the end surface of the first joint end member to be welded and the end surface of the first reinforcing bar, including the end surface to be joined may be formed by using a saw tool and a processing tool that is easy to shear. It is desirable to improve the welding quality of the joint surface at the time of joining by welding by precision cutting or cutting on the cut end surface.
- the first reinforcing bars 100, 200, 410, 610, 710 and the second reinforcing bars (110, 210, 420, 620, 720) or the first screw node type rebar
- the first bonding end member 120, 220, 330, 430 for the end part also in the case of different specifications of the 310 and 510 and the second threaded reinforcing bars 320 and 520, and also in the method of joining heterogeneous rebars.
- first joint end member 120, 220, 730, the second joint end member 130, 230, 740, and the intermediate joint member 250 may be used for the bar including the round bar capable of joint connection as well as the joint of the reinforcing bar.
- 760 may be joined to an end of a bar including a round bar according to the embodiment, so that a joint of an adjacent bar may be joined to face the end.
- first joint end member 120 and the second joint end member 130 are joined to the end portions of the bar, respectively.
- the bonding end member 230 and the intermediate bonding member 250 on the other side are respectively bonded to the ends of the bar, and in the fifth embodiment, the first bonding end member 430 and the second bonding end member 440.
- first joining end member 730 and the intermediate joining member 760 on the other side are joined to the end of the bar, respectively. If this is the case, it is possible to join the adjacent bars facing the end.
- first joint end member 330 and the second joint end member 350 and the first screw node reinforcement 310 and the second screw node type Reinforcing bars 320 are screwed respectively, or the first and second connecting end members 430 and 440 and the first reinforcing bars 410 and the second reinforcing bars 420 having male threads formed at the ends thereof are respectively screwed together.
- first joint end member 530 and the second joint end member 540 and the first threaded reinforcing bar 510 and the second threaded reinforcing bar 520 are respectively penetrated or inserted into the first jointed end member
- first reinforcing bar 610 and the second reinforcing bar 620 having the male threaded portion formed at the ends 630 and the second joining end member 640 and the screw are screwed, the first joining end member 330 is easy to be gripped.
- a gripping surface forming a parallel plane may be provided, or may be knurled or spliced over a predetermined section or the whole.
- a cross section of the first joint end member 330 is formed in a polygon or a pair in order to facilitate tool gripping when screwing the first threaded reinforcing bar 310.
- a cross section is formed in a polygonal shape or a pair of cross sections only from about 10 mm to 15 mm from the end face directed in the direction of the first threaded reinforcing rod 310 or the point where the fastening socket coupling male screw part first starts.
- the gripping surface may be formed to be provided.
- the first rebar when the cross section of the first joint end member 430 is formed in a polygonal angle so as to facilitate tool grip when screwing with the first rebar 410, the first rebar ( The cross section may be formed in a polygonal shape or a pair of gripping surfaces may be provided only from about 10 mm to 15 mm or from the end face directed in the direction 410 to the point where the fastening socket coupling male thread part first starts.
- a cross-sectional shape of the second bonding end members 350, 440, 540, and 640 may be defined by the cross-sectional shape of the second bonding end member.
- a section within a predetermined distance, for example, about 10 mm to 15 mm from the step or step surface of the first reinforcing bar is preferably formed to form a circular cross section.
- the supported cross-sectional area can be increased than that of the polygonal embodiment so that a firm coupling can be achieved at the time of tightening the fastening socket, and the smooth fastening socket can be rotated in the direction of the fastening screw when the fastening socket is fastened.
- the fastening sockets 140, 240, 340, 450, 550, 650, and 750 and the connection sockets 770 in the seventh embodiment have spliced outer surfaces.
- a knurling, circular or polygonal cross-sectional shape, and having a pair or plural pairs of opposing gripping surfaces one of them may be formed to facilitate rotation during tool gripping or fastening.
- One or more pairs of opposing gripping surfaces are the desired locations on the outer surfaces of the fastening sockets 140, 240, 340, 450, 550, 650, 750 or connecting sockets 770 as parallel surfaces for ease of use of the tool when tightening. Can be formed on.
- splicing and knurling processing is the entire outer surface of the fastening socket (140, 240, 340, 450, 550, 650, 750)
- it may be formed to be limited to a predetermined distance, for example, about 10 mm to 15 mm. .
- a second outer surface corresponding to the entire outer surface of the fastening sockets 140, 240, 340, 450, 550, 650, and 750 or the outer surface of the section in which the locking step is formed may be formed to be limited to a predetermined distance, for example about 10mm to 15mm from the end surface of the fastening sockets 140, 240, 340, 450, 550, 650, 750 facing the rebar direction.
- the male screw portion 121, 531, 631, 731 for coupling the coupling socket and the female screw portion 141, 541, 641, 751, the male screw portion 251, 761 for coupling the intermediate bonding member.
- a female screw portion 742 for screwing the female screw portion 222 and the lock nut body 260, the first socket end member and the second joint end member, and the internal thread portion of the connection socket (742).
- the formation of threads included in the components of the present invention, including 771) may be formed with one or more lines of screws to prevent loosening and quick tightening. However, since the three-line screw may be loosened during tensioning, it is preferable to use the two-line screw as necessary.
- the shape of the screw is one of triangular, square, elliptical, and round screws, which have the easiest cross section, and the screw grade is from precision class 1 to intermediate class 2 and coarse. Although it is carried out by selecting the grade 3 grade but conventionally, when the coupler is formed by the first class screw, the tightening operation is not easy, but the second and third grade screws are used, but the socket fastening method of the present invention is a technical configuration formed to facilitate the screwing of the thread. Due to this, the use of a class 1 screw is possible. In addition, the direction of the screw can be selected and formed according to the fastening method of the left or right screw.
- the manufacturing method of 760 may be manufactured by any one method selected from casting, forging, cutting, and three-dimensional printing molding.
- the method of casting and forging is a description of the technical configuration obvious to those skilled in the art in the method of forming from a metal material and will be omitted.
- the cutting process for example, due to the interference of the tool bite in the cutting and manufacturing the receiving portion of the first joint end member and the second joint end member through the bite in lathe machining
- the cross-sectional area is reduced toward the tip, including the cone shape, it is difficult to process the groove to be provided in the center to solve this problem can be cut and avoided the interference of the tool from the processing groove 975.
- the three-dimensional printing molding method is a method of completing three-dimensional sculpture molding by stacking materials by using three-dimensional cross-sectional shape data of three-dimensional sculpture, and 3DP (Three Dimensional Printing) system and SLS (Selective Laser Sintering) system. And about 20 molding methods are known, including a molding method through a SLA (Stereo Lithography Apparatus) system.
- SLA Stereo Lithography Apparatus
- the SLS system uses a special metal powder coated with a thin polymer binder on the surface.
- a metal powder coated with a thin polymer binder on the surface.
- the coated metal powder is selectively melted and coated with a laser beam to melt the coated polymer binder. After the sintering and heat treatment, the bronze metal is melted and formed into the product.
- the first joint end member, the second joint end member and the intermediate joint member of the present invention can also be manufactured through a 3D printing molding method using a metal material.
- the first joint end member 120, 220, 330, 430, 530, 630, 730, the second joint end member (130, 230, 350, 440, 540, 640, 740), the fastening socket (140, 240) , 340, 450, 550, 650, and 750 and the intermediate bonding members 250 and 760 may be formed of a metal material, and the first bonding end members 120, 220, 330, 430, 530, 630, and 730, Strength of the second bonding end member (130, 230, 350, 440, 540, 640, 740), the fastening socket (140, 240, 340, 450, 550, 650, 750) and the intermediate bonding member (250, 760) In order to increase the strength through the heat treatment process and then formed by the above manufacturing method.
- the cone 810, the cone 820, the cone 830, the cylinder, the polygon pyramid, and the polygon pyramid 840 When the longitudinal cross-sectional shape of any one selected from the end shape constituting the polygonal weight, the polygonal pillar, the cutting spherical shape, the cutting ellipsoidal shape 850 is formed to form a plurality of stages, the first joining end members 120, 220, 730, and After the end portions of the second joint end members 130, 230, and 740 are fitted to each other, the contact area is increased to generate the effect of stress dispersion on the axial compressive force.
- the end shape of the bar-shaped rebar, the end shape of the second screw-bar rebar, and the end shape of the first bar 610 and the end shape of the second bar 620 in the sixth embodiment are conical 810 and truncated cone ( 820, a cone 830, a cylinder, a polygonal pyramid, a polygonal pyramid 840, an end shape constituting a polygonal cone, a polygonal pillar, a cutting spherical shape, a cut elliptic sphere shape 850 and a longitudinal section of any one selected from the male thread formed on the end.
- end portions of the first joint end members 330 and 430 and the second joint end members 350 and 440 may be fitted to each other or the first screw-bar rebar 510 and Ends of the second threaded reinforcing bars 520 are fitted to each other, or the first threaded portion is formed at the end Muscle 610 and the contact area becomes inserted after the end of the second reinforcement 620 is increased matdae arises the effect of the stress distribution on the axial compression force.
- Each of the multi-stages forming the plurality of multi-stages is formed at an angle selected from an acute angle, a right angle, and an obtuse angle, and each multi-stage according to the shape of the embodiment in which a longitudinal section of the end shape of the first joint member and the second joint member is selected.
- This layer may be continuous and may form a gradient shape as a whole at a predetermined angle, or, for example, each may have a multi-sequential layered structure consisting of right angles and obtuse angles.
- the material is moved to the construction site, or the screw thread exposed to the outside without protection means during the supply and management of the material at the construction site is affected by the influence from the outside. Due to corrosion and impact, the screw thread is indented and damaged. Therefore, it is difficult for the fastening itself to be made due to the unevenness of the thread during the construction work, and according to the construction site, the thread is directly exposed to the outside due to material accumulation. There is a problem such as rust occurs.
- Female thread portion the female thread portion for the reinforcement screw thread of the third embodiment, a female thread portion for the reinforcing bar joint formed with a male thread portion at the end of the fourth embodiment, the female thread portion for the reinforcement of the screw member of the fifth embodiment, At least one selected from the female threaded portion for reinforcing bar coupling with the male threaded portion formed at the end of the sixth embodiment, the male threaded portion for connecting the coupling socket of the seventh embodiment, and the female threaded portion of the inner side of the connecting socket is provided with a protective cap for preserving each thread. It is desirable to lose.
- the protective cap may have various embodiments, but for example, the shrinking member that contracts by heat with respect to the male screw portion is wrapped around the male screw portion of each embodiment, and then contracted by applying heat to the shrinking member.
- the hollow body member which is protected from corrosion from external influences and damages of the screw thread due to impact through the close contact, or the hollow body member having one side is fitted to the male screw part or the one side is opened.
- Synthetic resin material for the female threaded portion is a cap member formed with a boss coupled to the female threaded portion so as to forcibly fit the boss to the female threaded portion or to form a male threaded portion screwed to the female threaded portion on the outer surface of the boss to form a screwed joint.
- the cap member formed of a rubber material may be covered to minimize external contact of the female screw portion to prevent dust penetration and have an antirust effect.
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Abstract
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Claims (22)
- 단부를 마주하여 인접하는 제1철근 및 제2철근;,상기 제1철근의 단부에 접합되고 체결소켓 결합용 수나사부가 외면에 길이방향으로 형성되는 제1접합단부재;,일측단부는 상기 제1접합단부재의 단부형상에 대응하는 형상으로 이루어지고타측단부는 제2철근의 단부에 접합되고상기 일측단부로 부터 이격되고 축방향으로의 일단부가 길이방향에 대하여 예각, 직각 및 둔각 중 선택된 어느 하나의 각도를 이루는 하나 또는 복수의 단턱이 구비되는 제2접합단부재; 및길이방향으로 개구되어 상기 제2접합단부재의 외면과 제1접합단부재의 외면을 둘러 수용할 수 있도록 길이방향으로 연장형성되고 내면에는 상기 제1접합단부재의 체결소켓 결합용 수나사부에 나사결합되는 체결소켓 결합용 암나사부가 길이방향으로 형성되고 상기 제2접합단부재의 단턱에 걸림되고 길이방향에 대하여 예각, 직각 및 둔각 중 선택된 어느 하나의 각도를 이루는 하나 또는 복수의 걸림턱이 구비된 중공형상의 체결소켓;이 포함되어상기 체결소켓의 걸림턱이 상기 제2접합단부재의 단턱에 밀착지지 되도록 상기 제1접합단부재 방향을 향해 상기 체결소켓을 전진시키며 체결조임나사방향으로 회전시켜 상기 제1접합단부재와 제2접합단부재가 상기 체결소켓에 의하여 일체화 체결됨으로서 상기 제1철근과 제2철근이 기계적으로 이음되고,상기 제1철근의 단부에 접합되는 제1접합단부재의 형상은일측단부는 상기 제1철근에 이음되는 구조를 가지도록 제1철근의 폭과 동일 또는 유사하고 횡단면이 원형인 봉재형상이고타측단부는 상기 일측단부의 봉재형상 보다 폭이 확장되고 확장된 외면에 상기 체결소켓 결합용 수나사부가 형성되어 제2접합단부재의 확장된 봉재형상의 폭에 나사산의 높이를 더한 형상의 폭을 이루어 길이방향을 따라 단부부근에서 폭이 단차되어 확장된 봉재형상이고상기 제2철근의 단부에 접합되는 제2접합단부재의 형상은일측단부는 상기 제2철근에 이음되는 구조를 가지도록 제2철근의 폭과 동일 또는 유사하고 횡단면이 원형인 봉재형상이고타측단부는 상기 일측단부의 봉재형상 보다 폭이 확장되나 상기 체결소켓이 외면에서 유동할 수 있도록 상기 체결소켓의 내면보다는 작은 폭으로 형성되며 외면을 둘러 돌출띠형상의 단턱이 형성되어 단턱부근에서 폭이 단차되어 확장된 봉재형상이고상기 돌출띠형상의 단턱은 제2접합단부재의 폭이 확장된 봉재형상 부근으로 부터 제2접합단부재의 단부면까지 둘러진 돌출띠형상이 되거나 상기 제2접합단부재의 폭이 확장된 봉재형상 부근에 폭이 단축되어 둘러진 돌출띠형상을 이루고상기 체결소켓의 내면은 원통형상으로서 길이방향을 축으로 하여 체결조임나사방향으로 회전가능하게 내면이 원주를 이루어 상기 제2접합단부재에 외면에서 제2접합단부재의 폭이 확장된 봉재형상을 감싸며 유동가능하게 결합되고상기 제2접합단부재의 단턱에 걸림될 수 있도록 상기 체결소켓 내면의 상기 체결소켓 결합용 암나사부의 반대측 단부에 돌출띠형상으로 중심방향을 향해서 돌출된 걸림턱이 구비되며상기 체결소켓의 내면에는 제1접합단부재 방향의 단부부근에 체결소켓 결합용 암나사부가 형성되어제2접합단부재의 폭이 확장된 봉재형상 및 제1접합단부재의 폭이 확장된 봉재형상을 감싸도록 형성된 상기 체결소켓이 제1접합단부재의 폭이 확장된 봉재형상의 상기 체결소켓 결합용 수나사부에 나사체결됨과 동시에 상기 돌출띠형상의 걸림턱 및 단턱이 상호 밀착지지됨으로써 상기 제1접합단부재의 상기 체결소켓 결합용 수나사부가 형성된 확장된 봉재형상의 단부와 상기 제2접합단부재의 확장된 봉재형상의 단부가 마주 지지된 상태로 일체화 결합을 이루는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항에 있어서,상기 제1접합단부재와 상기 제1철근 사이에 중간접합부재가 개재되는 경우또는상기 제2접합단부재와 상기 제2철근 사이에 중간접합부재가 개재되는 경우중 어느 하나로 선택되어제1철근과 제2철근과의 이음길이 조정이 필요한 경우에 중간접합부재가 설치되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항에 있어서,상기 제1접합단부재와 상기 제1철근 사이및상기 제2접합단부재와 상기 제2철근 사이에는 중간접합부재가 각각 개재되어제1철근과 제2철근과의 이음길이 조정이 필요한 경우에 중간접합부재가 각각 설치되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제2항에 있어서,상기 제1접합단부재와 상기 제1철근 사이에 중간접합부재가 개재되어상기 중간접합부재의일측단부는 상기 제1철근의 단부에 접합되고,일측단부로부터 타측단부에 이르는 소정구간 중에는 중간접합부재 결합용 수나사부가 형성되고,상기 중간접합부재에 대응하는 상기 제1접합단부재의 단부에는 상기 중간접합부재를 수용하는 중간접합부재 수용홈이 형성되고상기 수용홈의 내면에는 중간접합부재 결합용 암나사부가 형성되고상기 중간접합부재에는 횡단면이 원형 또는 다각형인 하나 또는 복수의 로크너트체가 구비되어 상기 중간접합부재의 위치를 잠금하는 것이 가능하고상기 중간접합부재에 대응하는 상기 제1접합단부재의 단부는 단부면에서 소정거리까지 횡단면이 원형을 이루는 경우, 횡단면이 다각형을 이루는 경우 및 한쌍 이상의 서로 대향하는 위치에 있는 파지면이 구비되는 경우 중 선택된 어느 하나로 형성되는 경우또는상기 제2접합단부재와 상기 제2철근 사이에 중간접합부재가 개재되어상기 중간접합부재의일측단부는 상기 제2철근의 단부에 접합되고,일측단부로부터 타측단부에 이르는 소정구간중에는 중간접합부재 결합용 수나사부가 형성되고,상기 중간접합부재에 대응하는 상기 제2접합단부재의 단부에는 상기 중간접합부재를 수용하는 중간접합부재 수용홈이 형성되고상기 수용홈의 내면에는 중간접합부재 결합용 암나사부가 형성되고상기 중간접합부재에는 횡단면이 원형 또는 다각형인 하나 또는 복수의 로크너트체가 구비되어상기 중간접합부재의 위치를 잠금하는 것이 가능하고상기 중간접합부재에 대응하는 상기 제2접합단부재의 단부는 단부면에서 소정거리까지 횡단면이 원형을 이루는 경우, 횡단면이 다각형을 이루는 경우 및 한쌍 이상의 서로 대향하는 위치에 있는 파지면이 구비되는 경우 중 선택된 어느 하나로 형성되는 경우중 어느 하나로 선택되어 상기 중간접합부재가 설치되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제3항에 있어서,제1철근 방향 중간접합부재는일측단부는 상기 제1철근의 단부에 접합되고,일측단부로부터 타측단부에 이르는 소정구간중에는 중간접합부재 결합용 수나사부가 형성되고,상기 중간접합부재에 대응하는 상기 제1접합단부재의 단부에는 상기 중간접합부재를 수용하는 제1중간접합부재 수용홈이 형성되고상기 수용홈의 내면에는 중간접합부재 결합용 암나사부가 형성되고상기 중간접합부재에는 횡단면이 원형 또는 다각형인 하나 또는 복수의 로크너트체가 구비되어 상기 중간접합부재의 위치를 잠금하는 것이 가능하고상기 중간접합부재에 대응하는 상기 제1접합단부재의 단부는 단부면에서 소정거리까지 횡단면이 원형을 이루는 경우, 횡단면이 다각형을 이루는 경우 및 한쌍 이상의 서로 대향하는 위치에 있는 파지면이 구비되는 경우 중 선택된 어느 하나로 형성되고제2철근 방향 중간접합부재는일측단부는 상기 제2철근의 단부에 접합되고,일측단부로부터 타측단부에 이르는 소정구간중에는 중간접합부재 결합용 수나사부가 형성되고,상기 중간접합부재에 대응하는 상기 제2접합단부재의 단부에는 상기 중간접합부재를 수용하는 중간접합부재 수용홈이 형성되고상기 수용홈의 내면에는 중간접합부재 결합용 암나사부가 형성되고상기 중간접합부재에는 횡단면이 원형 또는 다각형인 하나 또는 복수의 로크너트체가 구비되어 상기 중간접합부재의 위치를 잠금하는 것이 가능하고상기 중간접합부재에 대응하는 상기 제2접합단부재의 단부는 단부면에서 소정거리까지 횡단면이 원형을 이루는 경우, 횡단면이 다각형을 이루는 경우 및 한쌍 이상의 서로 대향하는 위치에 있는 파지면이 구비되는 경우 중 선택된 어느 하나로 형성되어상기 중간접합부재가 각각 설치되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제2항에 있어서,상기 제1철근의 단부에는 상기 중간접합부재가 접합되되상기 중간접합부재의 일측단부로부터 타측단부에 이르는 소정구간 중에는 중간접합부재 결합용 수나사부가 형성되고,상기 중간접합부재에 대응하여 상기 제1접합단부재의 타측단부에는 연결부가 형성되되상기 연결부에는 연결소켓 결합용 수나사부가 형성되고,상기 연결부와 상기 중간접합부재를 연결하는 연결소켓이 구비되되상기 연결소켓은 길이부재이고 일측과 타측이 개구되어 중공체이며,상기 연결소켓의 내면에는 상기 연결소켓 결합용 수나사부 및 중간접합부재 결합용 수나사부와 나사결합되는 암나사부가 형성되는 경우또는상기 제2철근의 단부에는 상기 중간접합부재가 접합되되상기 중간접합부재의 일측단부로부터 타측단부에 이르는 소정구간 중에는 중간접합부재 결합용 수나사부가 형성되고,상기 중간접합부재에 대응하여 상기 제2접합단부재의 타측단부에는 연결부가 형성되되상기 연결부에는 연결소켓 결합용 수나사부가 형성되고상기 연결부와 상기 중간접합부재를 연결하는 연결소켓이 구비되되상기 연결소켓은 길이부재이고 일측과 타측이 개구되어 중공체이며,상기 연결소켓의 내면에는 상기 연결소켓 결합용 수나사부 및 중간접합부재 결합용 수나사부와 나사결합되는 암나사부가 형성되는 경우중 어느 하나로 선택되어 중간접합부재가 설치되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제3항에 있어서,상기 제1철근의 단부에는 상기 중간접합부재가 접합되되상기 중간접합부재의 일측단부로부터 타측단부에 이르는 소정구간 중에는 중간접합부재 결합용 수나사부가 형성되고,상기 중간접합부재에 대응하여 상기 제1접합단부재의 타측단부에는 연결부가 형성되되상기 연결부에는 연결소켓 결합용 수나사부가 형성되고상기 연결부와 상기 중간접합부재를 연결하는 연결소켓이 구비되되상기 연결소켓은 길이부재이고 일측과 타측이 개구되어 중공체이며,상기 연결소켓의 내면에는 상기 연결소켓 결합용 수나사부 및 중간접합부재 결합용 수나사부와 나사결합되는 암나사부가 형성되고상기 제2철근의 단부에는 상기 중간접합부재가 접합되되상기 중간접합부재의 일측단부로부터 타측단부에 이르는 소정구간 중에는 중간접합부재 결합용 수나사부가 형성되고,상기 중간접합부재에 대응하여 상기 제2접합단부재의 타측단부에는 연결부가 형성되되상기 연결부에는 연결소켓 결합용 수나사부가 형성되고상기 연결부와 상기 중간접합부재를 연결하는 연결소켓이 구비되되상기 연결소켓은 길이부재이고 일측과 타측이 개구되어 중공체이며,상기 연결소켓의 내면에는 상기 연결소켓 결합용 수나사부 및 중간접합부재 결합용 수나사부와 나사결합되는 암나사부가 형성됨으로서중간접합부재가 각각 설치되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제6항 또는 제7항에 있어서,상기 연결소켓은 외면이 스플라인 가공되는 경우, 외면이 널링 가공되는 경우, 횡단면이 원형을 이루는 경우, 횡단면이 다각형을 이루는 경우 및 한쌍 이상의 서로 대향하는 위치에 있는 파지면이 구비되는 경우 중 선택된 어느 하나로 형성되는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 제1접합단부재 및 제2접합단부재의 단부형상은상기 제1접합단부재의 단부형상이 길이방향으로 형성된 돌출부이고 제2접합단부재의 단부형상이 상기 돌출부와 동일한 형상으로 되어 끼워맞는 수용부인 경우또는상기 제2접합단부재의 단부형상이 길이방향으로 형성된 돌출부이고 제1접합단부재의 단부형상이 상기 돌출부와 동일한 형상으로 되어 끼워맞는 수용부인 경우 중선택된 어느 하나로서 상기 제1접합단부재 및 제2접합단부재의 단부형상이 상호 맞바꾸어 실시되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 제1접합단부재 및 제2접합단부재의 단부형상은상기 제1접합단부재의 단부형상이길이방향의 중심으로부터 돌출된 원뿔, 원뿔대, 원추, 원기둥, 다각뿔, 다각뿔대, 다각추, 다각기둥, 절단구형상, 절단타원구형상, 길이방향에 수직하는 평면 및 요철면 중 선택된 어느 하나이고제2접합단부재의 단부형상이 상기 제1접합단부재의 단부형상과 동일한 형상을 이루는 상기 제1접합단부재의 단부형상의 수용부인 경우또는상기 제2접합단부재의 단부형상이길이방향의 중심으로부터 돌출된 원뿔, 원뿔대, 원추, 원기둥, 다각뿔, 다각뿔대, 다각추, 다각기둥, 절단구형상, 절단타원구형상, 길이방향에 수직하는 평면 및 요철면 중 선택된 어느 하나이고,제1접합단부재의 단부형상이 상기 제2접합단부재의 단부형상과 동일한 형상을 이루는 상기 제2접합단부재의 단부형상의 수용부인 경우 중선택된 어느 하나로서 상기 제1접합단부재 및 제2접합단부재의 단부형상이 상호 맞바꾸어 실시되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 제1접합단부재 및 제2접합단부재의 단부형상은상기 제1접합단부재의 단부형상이길이방향으로 표면적이 좁아지는 구간과 일정한 구간이 각각 하나 또는 복수로 형성되는 다단 경사형 돌출부이고 제2접합단부재의 단부형상이 상기 돌출부에 대응하는 형상으로 이루어지는 수용부인 경우또는상기 제2접합단부재의 단부형상이 길이방향으로 표면적이 좁아지는 구간과 일정한 구간이 각각 하나 또는 복수로 형성되는 다단 경사형 돌출부이고 제1접합단부재의 단부형상이 상기 돌출부에 대응하는 형상으로 이루어지는 수용부인 경우중선택된 어느 하나로서 상기 제1접합단부재 및 제2접합단부재의 단부형상이 상호 맞바꾸어 실시되는 것이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제10항에 있어서,상기 요철면은단부면의 중심으로부터 등거리에 이르고 길이방향 단면형상이 삼각형상, 첨단이 라운드된 삼각형상, 사각형상, 모서리각이 라운드된 사각형상, 절단구형상, 절단타원구형상, 단부면에 형성된 열십자 형상, 열십자와 원형상이 조합된 형상 및 물결모양으로 굴곡진 콜게이트 형상 중 선택된 어느 하나가하나 또는 복수개 구비된 철부와상기 철부를 수용하는 형상의 요부로이루어지는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제10항에 있어서,제1접합단부재 및 제2접합단부재의원뿔, 원뿔대, 원추, 원기둥, 다각뿔, 다각뿔대, 다각추, 다각기둥, 절단구형상, 절단타원구형상을 이루는 단부형상 중 선택된 어느 하나의 종단면이복수의 다단을 이루도록 형성되는 것을 특징으로 하고상기 다단이 이루는 각도는 각각 예각, 직각 및 둔각 중 선택된 어느 하나의 각도를 이루는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 걸림턱 및 단턱은 복수로 구비됨으로써 다단형성되어 상기 체결소켓에 집중되는 인장력에 의한 응력이 분산되는 것을 특징으로 하고상기 걸림턱 및 단턱이 이루는 각도는 각각 예각, 직각 및 둔각 중 선택된 어느 하나의 각도를 이루는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 제1철근과 제2철근의 규격이 상이한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 체결소켓은외면이 스플라인 가공되는 경우, 외면이 널링 가공되는 경우, 횡단면이 원형을 이루는 경우, 횡단면이 다각형을 이루는 경우 및 한쌍 이상의 서로 대향하는 위치에 있는 파지면이 구비되는 경우중 선택된 어느 하나로 형성되는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 제1접합단부재 및 제2접합단부재가 각각 봉재의 단부에 접합되는 경우또는일측에 상기 제1접합단부재 및 타측에 중간접합부재가 각각 봉재의 단부에 각각 접합되는 경우또는일측에 상기 제2접합단부재 및 타측에 중간접합부재가 각각 봉재의 단부에 각각 접합되는 경우중 어느 하나로 선택되어단부를 마주하고 인접한 봉재의 이음이 가능한 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 체결소켓 결합용 수나사부, 상기 체결소켓 결합용 암나사부,상기 중간접합부재 결합용 수나사부, 상기 중간접합부재 결합용 암나사부,상기 연결소켓 결합용 수나사부 및 상기 연결소켓 내면의 암나사부중 선택된 적어도 어느 하나는한 줄 나사 이상으로 형성되고나사산의 형태는 삼각나사, 사각나사, 타원나사, 및 둥근나사 중 선택된 어느 하나의 형태로 형성되며나사의 등급은 1급, 2급, 및 3급 나사 중 선택된 어느 하나로 형성되는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,제1철근과 제1접합단부재의 접합, 제2철근과 제2접합단부재의 접합, 제1철근과 중간접합부재의 접합 및 제2철근과 중간접합부재의 접합은용접에 의하는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,제1철근과 제1접합단부재의 접합, 제2철근과 제2접합단부재의 접합, 제1철근과 중간접합부재의 접합 및 제2철근과 중간접합부재의 접합은마찰용접, 선형마찰용접, 아크 스터드 용접방식, 버트용접, 초음파진동용접, 저항용접, 플라즈마용접, 전자빔용접, 레이저용접, 고주파용접 및 알곤용접 중 선택된 어느 하나에 의하는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제20항에 있어서,아크 스터드 용접방식에 의하는 경우, 제1접합단부재 또는 제2접합단부재의 용접될 단부면의 중앙에 발화팁이 삽설되는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
- 제1항 또는 제4항 또는 제5항 또는 제6항 또는 제7항에 있어서,상기 체결소켓 결합용 수나사부, 상기 체결소켓 결합용 암나사부,상기 중간접합부재 결합용 수나사부, 상기 중간접합부재 결합용 암나사부,상기 연결소켓 결합용 수나사부 및 상기 연결소켓 내면의 암나사부중 선택된 적어도 어느 하나에는나사산을 보존하는 보호캡이 씌워지는 것을 특징으로 하는 접합단부재에 의한 소켓체결형 철근연결구.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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US14/915,256 US20160208492A1 (en) | 2013-09-09 | 2014-09-01 | Socket fastening-type reinforcing bar connector using binding end member |
CN201480049649.0A CN105518235B (zh) | 2013-09-09 | 2014-09-01 | 利用接合用端部构件的套筒紧固式钢筋连接器 |
CA2923590A CA2923590C (en) | 2013-09-09 | 2014-09-01 | Socket-fastening-type reinforcing bar connector using binding end member |
EP14842622.4A EP3045606B1 (en) | 2013-09-09 | 2014-09-01 | Socket fastening-type reinforcing bar connector using binding end member |
JP2016540799A JP6352425B2 (ja) | 2013-09-09 | 2014-09-01 | 接合端部材によるソケット締結型鉄筋継手 |
AU2014315931A AU2014315931B2 (en) | 2013-09-09 | 2014-09-01 | Socket fastening-type reinforcing bar connector using binding end member |
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KR20130108033A KR101378723B1 (ko) | 2013-09-09 | 2013-09-09 | 접합단부재에 의한 소켓체결형 철근연결구 |
KR10-2013-0108033 | 2013-09-09 |
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US (1) | US20160208492A1 (ko) |
EP (1) | EP3045606B1 (ko) |
JP (1) | JP6352425B2 (ko) |
KR (1) | KR101378723B1 (ko) |
CN (1) | CN105518235B (ko) |
AU (1) | AU2014315931B2 (ko) |
CA (1) | CA2923590C (ko) |
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Also Published As
Publication number | Publication date |
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EP3045606B1 (en) | 2018-06-06 |
CA2923590C (en) | 2021-10-05 |
KR101378723B1 (ko) | 2014-03-27 |
US20160208492A1 (en) | 2016-07-21 |
JP2016534261A (ja) | 2016-11-04 |
EP3045606A1 (en) | 2016-07-20 |
EP3045606A4 (en) | 2017-02-15 |
CN105518235A (zh) | 2016-04-20 |
CN105518235B (zh) | 2018-11-16 |
AU2014315931B2 (en) | 2016-11-24 |
JP6352425B2 (ja) | 2018-07-04 |
AU2014315931A1 (en) | 2016-04-07 |
CA2923590A1 (en) | 2015-03-12 |
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