WO2015178621A1 - 로킹편 쌍이 구비된 철근연결구 및 이를 이용한 선조립 철근망의 연결이음 공법 - Google Patents
로킹편 쌍이 구비된 철근연결구 및 이를 이용한 선조립 철근망의 연결이음 공법 Download PDFInfo
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- WO2015178621A1 WO2015178621A1 PCT/KR2015/004791 KR2015004791W WO2015178621A1 WO 2015178621 A1 WO2015178621 A1 WO 2015178621A1 KR 2015004791 W KR2015004791 W KR 2015004791W WO 2015178621 A1 WO2015178621 A1 WO 2015178621A1
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- locking piece
- locking
- rebar
- reinforcing bar
- pair
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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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
-
- 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
- E04C5/18—Spacers of metal or substantially of metal
-
- 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 reinforcing bar connector provided with a pair of locking pieces, and more particularly applicable to bundle coupling of a single reinforcing bar and pre-assembled reinforcing bar network, but eliminates the initial slip of the connecting joint, and does not require filling of grout material.
- the present invention relates to a reinforcing bar connector capable of connecting a joint while compensating a slope of a prefabricated rebar network.
- Japanese Patent Laid-Open No. 6-158783 by providing a male screw at a connection end of a pair of steel bars to be connected, the pair of steel bars as a coupler having a female screw threaded to the male screw of the steel bar at an inner circumference thereof.
- the length of the axial pole between the female threaded portion of the coupler and the male screw of the bar is at least one half of the screw pitch is disclosed. It is.
- the screw bone can be expanded by adding more than two-quarter size of the screw pitch, and by reducing the width of each thread width of the screw line, the screw bone can be expanded and the width of the screw can be reduced. It cannot be supported by the compressive force, so the coupler's screw is not suitable and the joint is very poor.
- the length of the coupler itself is extended so that at least 6 threads of threaded bars of each screw thread are engaged on one side, so that a total of 12 threads or more threads are engaged.
- a method of tightening both ends of the coupler with a lock nut by fixing a nut that is screwed at both ends of the coupler with a male screw of the steel bar is disclosed.
- the tightening by the lock nut is a configuration in which the coupler and the lock nut jointly join the bars with respect to the tensile force, but the coupling nut is inevitably damaged due to the configuration only by the lock nut with respect to the compressive force.
- the ends of screw rebars must be spaced apart from each other to rewind or rewind from one side. Since the end of the screw reinforcement can be coupled to both ends of the coupler by the lowering method, the ends of the two reinforcing bars are spaced inside the coupler even after the coupling is completed. Therefore, a structure vulnerable to axial compressive force, vibration stress, etc. is formed, and the grout material is injected into the coupler to reinforce it.
- Patent Document 4-76148 discloses a grout material for screw reinforcing connectors and a screw reinforcing connector. After curing, the compressive strength is 900 kgf / cm 2, the modulus of elasticity is 1.5 ⁇ 10 5 kgf / cm 2, and the volume shrinkage is 4%.
- the use of a compressive material on the connecting joints of the reinforcing bars as the tension member may lead to failure of the joints resulting from the opposing characteristics of the material itself. It is suitable for the joints of the coupler to have high tensile strength that is opposed to the external force, especially the tensile strength. The material with the compressive strength is not suitable for the mechanical joint method. In case of SD600 rebar, the tensile strength of 72kgf / mm2 is shown.
- the reinforcing bar joint by the method of pre-assembly for this purpose is not only to use the super high strength reinforcing bar but also the precision connecting seam by the reinforcing bar connector connecting the joint is a very important task, but in the conventional construction industry, the screw joint type of super strength While reinforcing the reinforcing bar, the coupler is loosely coupled with the above-described screw thread of the steel bar, and tightens both ends of the loose coupler with the lock nut, and does not deviate from the method of filling the grout material into the coupler.
- the coupler When the wire assembly is bundled by the coupler of the steel bar, the coupler is first connected to the end portion of the wire assembly line of the upper side to be joined, and then rolled up to the upper side, and then to the lower line assembly rebar.
- the bundles of the upper and lower pre-assembled rebar networks are interconnected, the bundles of the couplers are difficult to enter and the phase difference of the threads is also difficult if burrs or moisture are generated during bending or cutting at the ends of each rebar. It is hard to be absorbed, and even when manufactured using a precision jig such as deformation caused by its own weight during the transfer process, the end dimension of the reinforcement to be inserted into the coupler is very difficult to be axially aligned. There is no choice but to.
- the present invention can be applied to bundles of single reinforcing bars and bar assembly reinforcing bars including threaded bar reinforcement, but the initial slip of the connecting joint is eliminated, and filling of grout material is unnecessary.
- a rebar connector that is capable of connecting joints while compensating the slope of one-line rebar network.
- the main problem of the present invention is to remove the initial slip by moving and relocating the lock nuts at both ends from the method of tightening both ends of the coupler with the lock nut.
- connection joint is integrally coupled with the initial slip removed with respect to both the axial tensile force and the compressive force.
- first and second reinforcing bars it is possible to make various shape embodiments for the axial centering of the first and second reinforcing bars to be jointed, and to be suitable for joints of single reinforcing bars as well as joints of pre-assembled reinforcing bars, and for horizontal bars as well as vertical bars. It is to be suitable for a joint.
- connection joint also with respect to the axial compression force without the need to separately fill a filler such as grout material in the coupler.
- connection joint of the single reinforcing bar as well as the connection joint by the multiple assembly of the pre-assembled reinforcing bar network is to enable the correction of various construction errors in the field construction.
- the pre-assembled reinforcing bar of one side and the other side while adjusting the inclination in a predetermined direction, such as right and left, right and left angles to precisely connect the joint of the reinforcing bar of one side and the other side.
- the present invention is a hollow is formed and the first reinforcing bar is coupled to the hollow from one side and the first coupling hole is formed from the other side and the tightening male thread portion is formed in a predetermined section of the outer surface 1 connecting member;
- a second connecting member having a hollow formed therein and joining the second reinforcing bar to the hollow from one side and forming a second coupling hole from the other side;
- a first locking piece provided separately and coupled to the first coupling hole; a second locking piece separately provided and coupled to the second coupling hole;
- a female screw part for tightening fastening is formed in a predetermined section of the inner surface of the second connecting member after being engaged at a predetermined position of the second connecting member and surrounding the outer surface of the second connecting member.
- It is characterized in that it comprises a locking socket which comprises a pair of the first locking piece and the second locking piece is in contact with each other to form an integrated connection joint by tightening the locking socket.
- first locking piece and the second locking piece that are opposed to each other comprises a body portion, a front end portion formed on one side of the body portion and the proximal end formed on the other side of the body portion is the first coupling hole or the second coupling hole Each of them is coupled and the front end is characterized in that each other.
- the first coupling hole and the second coupling hole may each include a first space portion and a second space portion that absorb displacements of the first connection member and the second connection member when the locking socket is tightened. do.
- first space portion and the second space portion communicates with the hollow so that the size of the first space portion and the second space portion of the first and second reinforcing bars for the first connecting member and the second connecting member It is characterized in that it varies depending on the length of the coupling section.
- first locking piece and the second locking piece to be opposed to each other is characterized in that the front end portion is formed in a plane perpendicular to the axial direction or a protrusion portion protruding from the tip portion and the groove portion corresponding to the projection portion is characterized in that it is made of do.
- the protruding portion protruding from the tip portion and the groove portion corresponding to the protruding portion is formed of a multi-stage inclined protrusion having one or a plurality of sections having a constant outer surface and an inclined section in the longitudinal direction and a groove portion corresponding to the multi-stage inclined protrusion.
- the end is formed of a multi-stage inclined square protrusion and a groove corresponding to the multi-stage inclined square protrusion
- the outer surface is uniformly formed in one direction or a plurality of inclined sections and the end is rounded multistage inclined curved projections and grooves corresponding to the multistage inclined curved projections or protruding cones, truncated cones, cones , Cylinder, polygonal pyramid, polygonal pyramid, polygonal polygon, polygonal cylinder, spherical shape, elliptic sphere shape, cutting sphere , Shape of cut ellipse, cross section of longitudinal cross section, triangle with rounded tip, square shape, square with rounded corner angle, crisscross shape formed at the end face, combination of crisscross and circle shape and wave shape It characterized in that to form a pair of locking pieces consisting of any one selected from the case formed in the groove
- the groove portion is characterized in that the through groove formed in the axial direction.
- the base end portions of the first locking piece and the second locking piece are coupled to the first coupling hole and the second coupling hole, respectively, and are inserted into the first space portion and the second space portion, and the positional relationship between the base end portions is It is characterized in that the loose state in the first space portion and the second space portion.
- a second protruding jaw is formed in the body portions of the first locking piece and the second locking piece to be formed outside the first space part and the second space part to regulate the depth of penetration of the first locking piece and the second locking piece.
- the first projections and the front end surfaces of the first connection member and the second connection member are spaced apart from each other to form a first separation portion and a second separation portion for removing an initial slip or adjusting a length of the connection joint. do.
- first step portion and the second space portion is formed with a locking step engaging the first protrusion of the first locking piece and the second locking piece base end is formed, the locking step is made of one or a plurality of screw members It features.
- the base end portions of the loose first locking pieces and the second locking pieces are pressed to a predetermined position by the front end surfaces of the first and second rebars, and are positioned.
- first locking piece and the second locking piece are pressed by the distal end portions of the first and second reinforcing bars respectively coupled to the hollows of the first connecting member and the second connecting member, so that the first space portion and the second locking piece are pressed. It is characterized by being pinched and pinched by the space portion and the front end portions of the first and second rebar, respectively.
- a first female thread is formed at an inner circumference at an inlet of the first and second spaces
- a first male thread is formed at an outer circumference at a predetermined end portion of the first locking piece and the second locking piece.
- the thread is characterized in that the penetration is inserted into the inlet portion, respectively.
- first locking piece and the second locking piece are pinched by being sandwiched between the thread of the first female thread of the inner circumference of the inlet and the distal end portions of the first and second rebars.
- the inner circumference of the inlet portion of the first space portion and the second space portion and the outer circumference of the predetermined portion of the proximal end of the first locking piece and the second locking piece are formed to have a fitting tolerance so as to form the base end portions of the first locking piece and the second locking piece. It is characterized in that each is fitted to the inlet portion.
- first end portion of the first locking piece and the second locking piece is characterized in that the display portion indicating the first entry position at a predetermined position is formed.
- an uneven surface is formed on an inner circumference of the inlet of the first space or the second space.
- the torque introduced for the phase shift of the locking socket in a state in which the pair of locking pieces joined to each other when the locking socket is tightened may generate a displacement in the butting direction with respect to the first connecting member and the second connecting member, respectively.
- the displacement of the first connecting member and the second connecting member is absorbed into the first and second spaced apart portions, respectively, thereby forming a connection joint in a state where the initial slip is absorbed into the first and second spaced apart portions.
- the initial slip of the joint is characterized in that the source is removed.
- first locking piece and the second locking piece simultaneously remove the axial centering function of the first and second reinforcing bars to be jointed and the initial slip source removal function of the first and second reinforcing bars generated from the joint. It is characterized by performing.
- first reinforcing bar and the second reinforcing bar screw-shaped reinforcing bar and the first connection member and the second connection member in the hollow is characterized in that the female threaded portion for screw thread-type reinforcing bar, respectively.
- a female thread part for coupling member coupling is formed in the hollow of the first connection member and the second connection member, respectively, and the first reinforcing rod and second reinforcing rod coupling member male threading portion coupled to the female screw part for coupling member coupling is formed.
- a predetermined position of the second connection member to which the locking socket is engaged constitutes a first catching jaw consisting of one step or one or more steps, and an inner surface of the locking socket is one step of being caught by the first catching jaw or
- Each stage forming a second catching jaw consisting of one or more multistages and forming one step or one or more multistages is formed in a curved shape that forms an acute angle, a right angle or an obtuse angle, or a predetermined curvature.
- the outer surface of the first connection member, the second connection member, the locking socket is formed with a non-slip means easy to grip the tool in a predetermined section
- the non-slip means is the outer surface is knurled when the outer surface is splined
- the cross section is circular, it is characterized in that it comprises any one selected from the case where the cross-sectional shape is a polygon and when the gripping surface is provided in a pair or more opposite positions.
- the screw threads forming the screwing structure of the tightening male thread part, the tightening female thread part, the first female thread, the first male thread, the male thread part for the connecting member screw, and the female thread part for the connecting member screw thread are formed with one or more threads.
- the thread form is formed of any one selected from triangular, square, elliptical, and round screws, and the grade of the screw is formed of any one selected from the first, second, and third class screws.
- the pitch of is formed by a thin screw or a common screw, the directionality of the thread is characterized in that formed by the left or right thread line.
- first and second reinforcing bar specifications are different.
- first connecting member is formed through the hollow is coupled to the first reinforcing bar from the one side to form the first coupling hole from the other side and the tightening male thread portion in a predetermined section of the outer surface;
- the locking piece After being locked at a predetermined position of the locking piece integral second connection member, the locking piece is integrally wrapped around the outer surface of the second connection member and a tightening female screw part is formed at a predetermined section of the inner surface to fasten the first connection member.
- first connecting member and the second connecting member is coupled to each of the pre-assembled rebar network consisting of vertical reinforcement or horizontal reinforcement of one side and the other side; A step of making the first locking piece and the second locking piece coupled to each of the one side and the other side of the pre-assembled rebar network after descending the pre-assembled rebar network on both sides; And correcting the inclination of the prefabricated reinforcing bar network by the phase correction of the first connecting member or the second connecting member. It is characterized by possible.
- the second locking piece and the second connection member are coupled to the fixed lower line assembly rebar network, and the first locking piece and the first connection member are respectively coupled to the upper line assembly rebar network.
- one or a plurality of reinforcing bars selected from the same section of the upper prefabricated reinforcing bar network is selected as reference bars located in four ears of the same section in the same section of the upper prefabricated reinforcing bar network.
- the array forms a "x" shape or a "+” shape;
- the same cross-section of the upper pre-fabricated reinforcing bar network is selected as a reference bar located in each ear of the same cross-section, forming an array of polygonal shapes other than quadrangles; or Selected as the reference bar located in the quadrant; It is characterized in that any one selected.
- first separation portion and the second separation portion formed by the second projection jaw and the front end surface of the first connection member and the second connection member are generated by the pulling force for initial slip removal of the first and second rebar, respectively.
- connection joint is integrally coupled in the state that the initial slip is removed with respect to both the axial tensile force and the compressive force.
- first locking piece and the second locking piece are suitable for the joint of a single reinforcing bar as well as the joint of a reinforcing bar as the various locking embodiments of the distal end are possible for axial centering of the first and second rebars to be jointed.
- joints of the vertical reinforcing bar there is a suitable effect for the joint of the horizontal bar.
- first locking piece and the second locking piece simultaneously perform axial centering functions of the first and second reinforcing bars to be jointed and initial slip source removal functions of the first and second reinforcing bars generated from the connecting joint. It is possible effect.
- FIG. 1 is a perspective view and a partial sectional view showing a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing the first embodiment of the present invention.
- FIG 3 is a cross-sectional view showing a first locking piece and a second locking piece according to the present invention.
- FIG. 4 is an assembly view showing a state in which the first protrusion of the base end portion of the second locking piece according to the present invention is caught by a locking step formed of a screw member.
- FIG. 5 is a cross-sectional view illustrating a first spaced part and a second spaced part.
- FIG. 6 is a cross-sectional view showing a coupling sequence according to the first embodiment of the present invention.
- connection joint 7 is a cross-sectional view showing a connection joint according to a first embodiment of the present invention.
- FIG. 8 is a cross-sectional view illustrating a state in which initial slip is absorbed as torque is introduced into the locking socket and the distribution of voids in the connection joint is changed.
- Fig. 9 is a sectional view showing a state in which shaft alignment of the first rebar and the second rebar is made by the pair of locking pieces.
- FIG. 10 is a cross-sectional view showing a state in which the first locking piece is pressed by the first reinforcing bar.
- FIG. 11 is an enlarged view of a portion I described in FIG. 10.
- FIG. 12 is an enlarged view of part II shown in FIG. 10 and a sectional view showing a state of being pushed by the first reinforcing bars.
- Fig. 13 is a sectional view showing various embodiments of the tip portion of the pair of locking pieces.
- Fig. 14 is a sectional view showing a state in which the first locking piece and the second locking piece are coupled to the first coupling member and the second connecting member in the embodiment by interference fitting, respectively.
- 15 is a cross-sectional view showing a state in which an uneven surface is formed on the inner circumference of the inlet portion of the second connecting member and a state in which the display portion is formed.
- FIG. 16 is an enlarged view of section III and section IV shown in FIG.
- 17 is a conceptual diagram illustrating an embodiment in which a deformed steel bar in which a male thread part for coupling member coupling is formed is included.
- 18 is a conceptual diagram illustrating a second embodiment.
- 19 is a conceptual diagram illustrating a state in which the inclination of the one-line rebar network is corrected by phase correction of the first connection member.
- FIG. 20 is a side view illustrating a state in which the first pre-assembled rebar network is lowered after being lifted in a state where the first locking piece and the first connection member coupled to the end of the selected rebar make a long phase deviation.
- 21 is a side view showing a state where the upper pre-assembled rebar network is inclined to one side after the first locking piece coupled to the end of the selected rebar is fitted.
- Fig. 22 is a side view showing a state in which the verticality of the upper prefabricated rebar network is secured by phase correction of the first connecting member coupled to the first locking piece that is joined.
- Figure 23 is a side view showing a state of tightening the phase of the first connecting member coupled to the end of the selected rebar with a locking socket after the vertical degree is secured.
- FIG. 24 is a side view showing a state in which the first locking pieces of the remaining reinforcing bar ends are wound to abut the first locking pieces respectively coupled to the remaining reinforcing bar ends.
- Fig. 25 is a side view showing a state of tightening the phase of the first connecting member coupled to the end of the remaining reinforced bar by the locking socket.
- Fig. 26 is a flowchart showing each step of the connection joint work of the prefabricated rebar network.
- the first reinforcing bar 100, the second reinforcing bar 110, the first connecting member 120, the second connecting member 130, and the first locking piece ( 140), the second locking piece 150 and the locking socket 160 is included.
- First and the second reinforcing bars (100, 110) to be joined to face the end is provided to be able to be aligned in the axial direction.
- the first connecting member 120 is coupled to the first reinforcing bar 100 and the first connecting member 120 is coupled to the first reinforcing bar and the second reinforcing bars 100 and 110.
- the hollow 135 is formed in the center or a predetermined position or penetrates from one side, and the end of the first reinforcing bar 100 is inserted into the hollow 135 from one side and is coupled to the first coupling hole from the other side ( 121) and a male screw portion 161 for tightening is formed in a predetermined section of the outer surface.
- a second connecting member 130 is coupled to the second reinforcing bar 110, but the second connecting member 130 is formed in the center or a predetermined position or through the hollow 135 is formed through the hollow (from one side) 135 to couple the second reinforcing bar 110 and to form a second coupling hole 131 from the other side.
- first locking piece 140 is provided separately and coupled to the first coupling hole 121
- second locking piece 150 is separately provided and coupled to the second coupling hole 131, respectively. do.
- the first locking piece and the second locking piece 140 and 150 lock nuts at both ends from a method of tightening both ends of the coupler with a lock nut by fixing a nut to screw both ends of the coupler disclosed in the related art into a male screw of a bar. Removes the initial slip of the first and second reinforcing bars (100, 110) from the connecting joint 170 by the first locking piece and the second locking piece (140, 150) by moving to the center do.
- the outer surface of the second connecting member 130 is coupled and coupled, and a fastening female screw part 162 is formed at a predetermined section of the inner side so that the first A locking socket 160 is fastened to the fastening male screw part 161 of the connecting member 120.
- the locking socket 160 may be axially latched at a predetermined position of the second connection member 130 and surrounds the outer surface of the second connection member 130 with an inner surface of the locking socket 160 in a longitudinal direction. Moved to and rotated in the fastening screw direction is coupled to the first connecting member 120.
- the tightening male thread portion and the tightening female thread portions 161 and 162 are formed with a left screw line, and the tightening screw direction of the locking socket 160 refers to the tightening direction of the left screw line.
- the locking socket 160 in a state where the first locking piece 140 coupled to the first connecting member 120 and the second locking piece 150 coupled to the second connecting member 130 are in contact with each other.
- the fastening of the connection to form an integrated joint 170.
- Embodiments of the first locking piece and the second locking piece (140, 150) is a member to be joined to each other in a shape corresponding to each other connecting the joint to the first reinforcing bar and the second reinforcing bars (100, 110)
- Various embodiments constituting 170 are possible.
- the first locking pieces and the second locking pieces 140 and 150 are paired with each other.
- the first coupling hole and the second coupling hole (121, 131) is a first space portion for absorbing the displacement of the first connecting member and the second connecting member (120, 130) when tightening the locking socket 160 And second space parts 210 and 220, respectively.
- first space portion and the second space portion (210, 220) is possible in various embodiments, but in this embodiment is in communication with the first coupling hole and the second coupling hole (121, 131) and the first locking It forms a space portion formed by the inner surface on which the base end portion 200 of the piece and the second locking piece (140, 150) is fixed.
- the first and second space parts 210 and 220 absorb the displacements of the first and second connection members 120 and 130 caused by the fastening of the locking socket 160.
- Fastening of the socket 160 wraps around the second connection member 130 from one side and is caught at a predetermined position of the second connection member 130, and fastening of the first connection member 120 from the other side. Since it is coupled to the male screw portion, the result of applying the mutual pulling force of the first connecting member and the second connecting member (120, 130) and the first locking piece and the second locking piece (140, 150) is in abutted state Since the mutual axial displacement can not occur in the tightening of the locking socket 160 generates only the displacement of the first connecting member and the second connecting member (120, 130). Accordingly, the first connection member and the second connection member 120 and 130 form the connection joint 170 in a state where the pulling force is applied by the locking socket 160.
- the first space part and the second space parts 210 and 220 may be formed separately, but in the present embodiment, the first space part and the second space parts 210 and 220 may be formed of the first connection member and the first space part.
- the first reinforcing bar and the second reinforcing bars 100 and 110 communicate with the hollow 135 of the second connection member 120 and 130 so that the first space portion and the second space portion 210, Since the first and second spaces 210 and 220 are respectively protruded from the first and second reinforcing bars 100 and 110, respectively, the first and second connecting members and the first and second spaces 210 and 220 are respectively inserted into the first and second spaces.
- the length of the coupling section of the first and second reinforcing bars 100 and 110 with respect to the two connecting members 120 and 130 is variable.
- the front end portion 190 of the first locking piece and the second locking piece (140, 150) to be opposed may be formed in a plane 230 perpendicular to the axial direction, the locking socket 160 When the tightening of the plane 230 perpendicular to the axial direction is bonded to form a connection joint 170.
- the front end portions 190 of the first locking pieces and the second locking pieces 140 and 150 may be formed of protrusions protruding from the tip portion 190 and grooves corresponding to the protrusions, and may be overlapped with each other to connect the joint 170. ) Can be achieved. Shapes of the tip portions 190 of the first locking piece and the second locking piece 140 and 150 may be exchanged with each other.
- the protrusions are formed on the tip portions 190 of the first locking pieces and the second locking pieces 140 and 150 to form axial centering means for the first and second rebars 100 and 110.
- the vertical reinforcement may have a guide effect due to its own weight along the slope from the cone shape 240.
- it may be formed of a multi-stage inclined protrusion 250 and a recess corresponding to the multi-stage inclined protrusion 250 provided with one or a plurality of sections having a constant outer surface and inclined sections in the longitudinal direction. .
- horizontal reinforcing bar it is easy to axial centering of horizontal reinforcing bars through a certain section in the longitudinal direction, and it can be prevented from flowing downward from the joined state, so it is easy for jointing of vertical reinforcing bars and horizontal reinforcing bars.
- the multi-stage inclined protrusion 260 When the ends of the multi-stage inclined protrusion 260 are parallel, the multi-stage inclined protrusion 260 is formed, and when the ends are rounded, the multi-stage inclined protrusion 270 is formed in the axial direction of the connection joint 170. It may be modified to a shape that can increase the guide effect to.
- the protrusion is implemented in any one shape selected from the protruding cone 240, truncated cone, cone, cylinder, polygonal pyramid, polygonal truncated cone, polygonal cone, polygonal column, spherical shape 245, elliptic sphere shape, cutting sphere shape, cutting ellipsoid shape.
- the longitudinal cross-sectional shape may be implemented in any one selected from a triangular shape, a triangular shape with rounded tips, a square shape, and a square shape with rounded corner angles.
- a circular shape may be formed in any one shape selected from a combination of a shape and a wavy corrugated shape.
- the size of the first locking piece or the second locking piece 140 or 150 is also increased, and the recess corresponding to the protruding shape may form a through recess 280 penetrating in the axial direction.
- the material itself is reduced due to the shape penetrating in the axial direction, and the weight can be reduced and the manufacturing process can be simplified.
- a groove 281 having a predetermined depth formed from the end of the proximal end 200 of the first locking piece or the second locking piece 140 or 150 may be provided to reduce the material itself and reduce weight.
- first locking piece and the second locking piece 140 which are opposed to each other in engagement with the first locking piece and the second locking piece 140 and 150 and the first connecting member and the second connecting member 120 and 130.
- the proximal end 200 of 150 is coupled to the first coupling hole and the second coupling hole 121 and 131, respectively, but the proximal end 200 of the first locking piece and the second locking piece 140 and 150 is formed.
- the first and second locking pieces 140 and 150 are inserted into the first and second space parts 210 and 220 of the first and second connection members 120 and 130, respectively.
- the proximal portion 200 of the first space portion and the second space portion (210, 220) in the inner space forming the inner surface after the internal relation of the base portion 200 is the first space portion and the second space portion It is coupled in a loose state (210, 220).
- the first connecting member or the second connecting member (120, 130) is the first reinforcing bar or the second reinforcing bar 100 in the state that the base end 200 of the first locking piece and the second locking piece (140, 150) is loose
- the screw is moved in the state coupled to each 110 or the first or second reinforcing bars (100, 110) is rotated, so that the loose state of the base portion 200 is the first space portion and the second space portion ( As the spaces 210 and 220 are variably reduced, they are gradually tightened.
- the body 180 of the first locking piece and the second locking piece 140, 150 is formed outside the first space part and the second space part 210, 220, so that the first locking piece and the second locking piece 140, 220 are formed.
- a second protruding jaw 320 is formed to regulate the depth of penetration of the locking pieces 140 and 150, and the second protruding jaw 320 is a front end surface of the first connecting member and the second connecting member 120 and 130. It is spaced apart from each other to form the first and second spaced apart portions 400 and 410 to remove the initial slip or to adjust the length of the connection joint 170.
- the first spaced apart portion and the second spaced portions 400 and 410 formed by the end surfaces of the second protruding jaw 320, the first connection member and the second connection member 120 and 130 are respectively a first reinforcing bar and It provides a space for absorbing the displacement caused by the pulling force for the initial slip removal of the second reinforcing bars (100, 110).
- the distance from which the front end surfaces of the second projection jaw 320 and the first connection member and the second connection member 120 and 130 are spaced apart by the first and second spacers 400 and 410 is a first distance. Sizes of the first and second spaces 210 and 220 of the connecting member and the second connecting member 120 and 130, and tip portions of the first and second locking pieces 140 and 150, and Longitudinal and widthwise dimensions of the proximal ends 190 and 200, widthwise dimensions of the first protruding jaw 300 formed on the proximal end 200, and formed on the body portion 180 of the second protruding jaw 320. It is influenced by the combination of various factors such as the positional relationship, the width direction specification of the second protrusion (320).
- the first locking piece and the second locking piece 140 and 150 may be engaged in an inner space forming an inner surface of the first and second space parts 210 and 220, respectively.
- a locking step is formed to engage the first protrusion step 300 formed at the base end 200 of the first locking piece and the second locking piece 140 and 150.
- the embodiment of the locking step is very diverse, but in the present embodiment, an embodiment using one or a plurality of screw members 310 is proposed.
- the one or the plurality of screw members 310 may be various embodiments as well, but in this embodiment, each of the screw members 310 is axially directed toward the center portion, and the screw members 310 have a diameter of about 3 mm. It is preferable that the screw member 310 is formed of a bolt member or a stud member and three or more are coupled to each other.
- the screw member 310 of the first locking piece and the second locking piece (140, 150) of the first locking member and the second connecting member (120, 130) are threaded through from the outside of the first protruding inward end
- the first projection jaw 300 is locked.
- the proximal end portions 200 of the loose first locking pieces and the second locking pieces 140 and 150 may be pressed and positioned to predetermined positions by the distal ends of the first and second rebars 100 and 110. That is, the first space portion and the second space portion (210, 220) is communicated from the hollow 135 of the first connecting member and the second connecting member (120, 130) is inserted into the hollow 135 The first locking piece and the second locking piece 140 and 150 may be pressed to the front end portions of the first and second rebars 100 and 110, and the first and second rebars 100 and 110 may enter. The position is determined according to the length of the coupling section with the first connection member 120.
- the first locking piece and the second rebar 100 and 110 face each other.
- the torque introduced for the phase shift of the locking socket 160 in the state in which the locked locking piece is pressed when tightened to the locking socket 160 after the two locking pieces 140 and 150 are engaged with each other is provided with the first connection member.
- the first and second spaces 210 and 220 of the first and second connection members 120 and 130 are respectively absorbed.
- the first locking piece is positioned as the leading end of the first and second reinforcing bars (100, 110) as a result of the mutual pulling force is applied to the first connecting member and the second connecting member (120, 130) And the first locking piece into the first space portion and the second space portion 210 and 220, as the result is that the first end portions 200 of the second locking pieces 140 and 150 are inwardly inserted in the reinforcing direction. And the base end 200 of the second locking piece (140, 150) is further embedded in the displacement of the first locking piece and the second locking piece (140, 150) is the first spacing and the second spacing (400, 410).
- connection joint 170 is formed in a state in which the second locking pieces 140 and 150 are pressed, even when the proximal end 200 of the first locking piece and the second locking pieces 140 and 150 is not completely pressed. It is possible to form a connection joint 170 in a structure that can not be made initial slip.
- the proximal ends 200 of the first locking pieces and the second locking pieces 140 and 150 are coupled to the hollows 135 of the first and second connecting members 120 and 130, respectively. Pressed by the tip of the first and second reinforcing bars (100, 110) to be pinched in the front end of the first and second spaces (210, 220) and the first and second reinforcing bars (100, 110), respectively It is preferable to achieve the state of being pressed.
- the positional relationship between the base end portion 200 of the first locking piece and the second locking piece 140 and 150 is loose, and the position of the first locking piece and the second locking piece 140 and 150 is suppressed by the tip portions of the first and second rebars 100 and 110. Determined to achieve a state in which the first and second reinforcing bars (100, 110) are coupled to each other.
- the first locking piece and the second locking piece 140, 150 are engaged with each other by being pressed and positioned, the first locking piece and the second locking piece 140, 150 are positioned.
- the torque introduced for the phase shift of the locking socket 160 in the pressed state of the paired locking pieces is applied to the first connection member and the second connection member (120, 130).
- Displacement is generated in abutting direction with respect to each other, and the displacements of the first and second connecting members 120 and 130 are absorbed by the first and second spacers 400 and 410, respectively.
- the initial slip of the connection joint 170 is removed by forming the connection joint 170 in the state where the initial slip is absorbed by the second and second spacers 400 and 410.
- connection joint 170 the process of forming the connection joint 170 will be described by taking an example centering on the void distribution between the outer surface of the threaded bar reinforcement and the inner surface of the first connecting member 120.
- the thread of the threaded rebar outer surface has a trapezoidal cross-section so that the first surface 900 protrudes from the outer surface, the second surface 910 parallel, and the third surface 920 the slope. Consists of
- the screw-bar reinforcing bar is formed by the voids to allow the threading tolerance due to constraints due to the shape of the screw and bending of the end, cutting, etc., the first connecting member 120 and the first reinforcing bar 100
- the first surface 900, the second surface 910, and the third surface 920 when the first reinforcing bar 100 is screwed to the first connection member 120 will be described.
- the state in which only the first connection member 120 is pre-coupled to the first reinforcing bar 100 indicates the pore distribution of the A state.
- the state A is spaced. To achieve. In this state, the initial slip occurs only for both the axial compressive force and the tensile force.
- the first locking piece 140 when the phase of the first reinforcing bar 100 or the first connecting member 120 is displaced so that the first locking piece 140 is pressed in the first space 210, the first locking piece 140. Since the proximal end 200 of the first reinforcing bar 100 is pressed in the forward direction of the first reinforcing bar 100 and the first reinforcing bar 100 is moved forward according to the phase shift, the third surface 920 of the first reinforcing bar 100 is used. The first reinforcing bar 100, the first connecting member 120, and the first locking piece 140 are integrated to form an airtight state in close contact with the inner surface of the first connecting member 120. Make a distribution.
- the first connection member and the second connection member 120 and 130 are connected to the first lock piece.
- the pulling force is applied toward the center of the surface where the piece and the second lock piece are butted, respectively, so that all the threads screwed together by the pulling force applied to the first connecting member and the second connecting member 120 and 130 are in the B state. Pore distribution occurs evenly.
- the action of the force applied by the pulling force of the first connecting member and the second connecting member acts as a reaction to the butted first lock piece and the second lock piece to push the butted surface from the center
- the void distribution in the B state is generated by the force pushing on all the threads screwed to the first connection member and the second connection member 120 and 130.
- the third surface 920 and the first connection member and the second connection member which are in close contact with the pore distribution in the B state even when the tensile force acts in the axial direction while the pore distribution in the state B is evenly generated. Since the inner surfaces of the 120 and 130 are pressed, the initial slip does not occur.
- the pore distribution in the B state is achieved, and when the compressive force is applied due to the reversal of load, the pore distribution in the B state is achieved, not the pore distribution in the C state.
- F When the axial tensile force is applied, initial slip can no longer occur in the B state in the compressed state, and even when the axial compressive force is applied due to the reversal of the load, the pore distribution is in the C state from the B state pore distribution.
- the inner surface of the third surface 920 and the first connection member 120 should be spaced apart from each other. However, the first locking piece 140 is fitted to the second locking piece 150, respectively.
- each locking piece It is supported in the state, and the base end portion 200 of each locking piece is in a state of being pressed again by the rebar, so that the pore distribution in the A state or the C state cannot be achieved, and thus the axial compression force is small. To no more can not occur in the initial slip state of the pore distribution of the B state when blotter.
- connection joint 170 is integrally coupled with the initial slip removed with respect to both the axial tensile force and the compressive force.
- the thread formed on the outer surface of the threaded reinforcing bar forms a thread that is difficult to connect precisely, but the thread of the outer surface of the threaded reinforcing bar is connected to the first connection member 120 and the B state through the connection joint 170.
- the threaded reinforcing bar is a thin screw of a predetermined size that forms the female screw portion 162 for tightening the locking socket 160 and the male screw portion 161 for tightening the material of the first connection joint 170. Precise connection effect is provided.
- first locking piece and the second locking piece 140 and 150 are coupled to the first connection member and the second connection member 120 and 130, for example, referring to FIG. 5.
- the first female thread 420 is formed at an inner circumference of the inlet 440 of the first space part and the second space part 210 and 220, and the first locking piece and the second locking piece 140 and 150 are formed.
- a first male thread 430 is formed at an outer circumference of a predetermined section of the proximal end 200 so that the first male thread 430 is passed through the inlet 440 to penetrate and insert.
- the screw thread is preferably formed of a thin screw corresponding to the thickness of the inlet portion 440 of the first and second space portions 210 and 220.
- the first locking piece and the second locking piece inserted into or inserted into the inlet part 440 by the front end portions of the first and second rebars 100 and 110.
- the proximal end portion 200 of the inlet portion 440 is clamped between the threaded portion of the first female screw thread 420 of the inner portion of the inlet portion 440 and the tip portions of the first and second reinforcing bars 100 and 110.
- the first locking piece and the second locking piece 140 and 150 are pressed.
- first locking piece and the second locking piece 140 and 150 are coupled to the first connection member and the second connection member 120 and 130, respectively.
- the inner circumference of the inlet portion 440 of the 210 and 220 and the outer circumference of the predetermined section of the proximal end portion 200 of the first locking piece and the second locking piece 140 and 150 are formed to have a fitting tolerance, and thus the first locking piece And base ends 200 of the second locking pieces 140 and 150 may be fitted to the inlet part 440, respectively.
- the proximal ends 200 of the first locking piece and the second locking piece 140 and 150 are provided with a display portion 450 indicating the first entry position when forcibly fitted to a predetermined position. Since the insertion depth of the proximal end 200 is properly displayed, the work efficiency during construction can be improved and visual confirmation can be easily performed.
- an uneven surface 500 is formed on the inner circumference of the inlet portion 440 of the first space portion 210 or the second space portion 220 to facilitate the insertion and removal during interference fit. Can be.
- the first locking piece and the second locking piece 140 and 150 substantially correspond to lock nuts coupled to both ends of the coupler according to the related art, and are not exposed at both ends of the coupler as in the related art.
- the lock nut for the initial slip removal can be completed at a time by simply tightening the locking socket 160.
- first locking piece and the second locking piece 140 and 150 may be formed in various shapes of the tip portion 190 for axial centering of the first and second rebars 100 and 110 to be jointed, It is suitable not only for the joints of reinforcing bars but also for the joints of pre-assembled rebar networks.
- connection joint portion 170 from which the initial slip is removed from both the tensile and compressive rebars, the column, the inner wall, the outer wall, the beam, the slab, the ground foundation where both the tensile and the compressed steel are used in one member It is possible to implement according to the present invention in both single reinforcing bar and bundle of pre-assembled rebar network.
- connection joint 170 it is not necessary to separately fill a filler such as grout material inside the coupler, so that the process is simple and the rigidity of the connection joint 170 can be provided even with respect to the axial compressive force.
- first reinforcing bars and the second reinforcing bars (100, 110) are made of screw-bar-shaped rebar
- the hollow screw 135 of the first connecting member and the second connecting member (120, 130) for screw thread-type reinforcement coupling female thread Each part is formed.
- each one member is configured to be coupled to each threaded rebar end, so that the tolerance of the screw pitch to insert the ends of the threaded reinforcing bars on both sides of the coupler It is not necessary to form an excessively two quarters or more of the pitch as in the conventional embodiment, and the tolerance of the screw pitch can also be carried out with the tolerance of forming a first class screw to achieve a simple and robust connection.
- the female knuckle reinforcing female thread 600 of the first and second connecting members 120 and 130 hollow 135 can be formed with a pitch sufficient to insert only the ends of the screw knuckle bars on one side.
- the thread tolerance can be reduced and the number of threads to be screwed together is reduced, so that the longitudinal dimensions of the first connection member and the second connection member 120 and 130 can be reduced to that of the conventional coupler.
- the reliability is higher than that of the connection joint 170.
- the first reinforcing bar and the second reinforcing bars (100, 110) When the first reinforcing bar and the second reinforcing bars (100, 110) is made of a deformed reinforcing bar, the first reinforcing bar and the second reinforcing bars (100, 110) should be formed at the end of the male threaded part 610 for screwing joining bar,
- the deformed steel is connected to the connecting member by any one of the case that the screw is formed by pressing, if the pressing screw is formed by the rolling process, the cutting screw is formed by the cutting process, the screw joint member is manufactured and joined separately.
- a combined male screw portion 610 may be formed.
- Joining of the screw joint member may be formed by a welding method including friction welding or stud welding.
- the hollow for the first connection member and the second connection member 120 and 130 may be formed at the ends of the first and second rebars 100 and 110, which are the deformed rebars.
- Female threaded portion 620 for screwing the member to be screwed with the screw 610 is formed so that the first and second reinforcing bars (100, 110) and the first connecting member and the second connecting member (120, 130) Each combined.
- the first locking jaw 630 is made of one step or more than one multi-stage, and the inner surface of the locking socket 160 is made of one step or one or more multi-stage caught by the first locking jaw 630
- Each stage constituting the engaging jaw 631 and forming one step or one or more stages may be formed in a curved shape that forms an acute angle, a right angle or an obtuse angle, or a predetermined curvature.
- each step forming one step or more than one multi-stage may be formed in a curved shape that forms an acute angle, a right angle or an obtuse angle or a predetermined curvature to efficiently distribute and transfer the stress in the axial direction.
- the protrusions of various shapes of the pair of locking pieces may be modified to have various shape features such that the pair of locking pieces are guided in the axial direction of each other, and thus the protrusions may have a spherical shape 245 or an elliptical sphere shape.
- the curved reinforcing bar which is placed in a predetermined curvature in a structure such as a lattice beam, a triangular beam, or a bridge while drilling a tunnel in a tunnel construction It is possible to fine-adjust the mating angle of the locking piece pair, such as the screw node curved reinforcing bar, the butt angle, and to sequentially connect the lattice beam, the triangular beam or the deformed curved reinforcing bar, and the screw node curved bar respectively.
- An outer surface of the first connection member 120, the second connection member 130, and the locking socket 160 may be formed with a non-slip means for easy tool holding of a predetermined section.
- the screw thread constituting the screw coupling structure of (620) is formed by one or more threads, and the thread type is formed by any one selected from triangular, square, elliptical, and round screws, and the screw grade is 1 It is formed of any one of a class, a class 2, and a class 3 screw, the pitch of the screw is formed of a fine or ordinary screw, the direction of the thread may be formed of a left or right thread line.
- the hollow 135 of the first and second connecting members 120 and 130 may be formed of the first and second reinforcing bars 100, respectively. It is possible to be a two-dimensional joint by being formed in different standards corresponding to (110).
- the locking socket 160 may be coupled from the direction of the first connecting member 120 and may be fastened to an outer surface of the second connecting member 130 after being locked at a predetermined position of the first connecting member 120.
- By forming the screw portion 161 is configured to be screwed to wrap the first connecting member 120 and tightened to form a connection joint 170.
- the first locking piece and the second locking piece 140 and 150 are first coupled to the first connecting member and the second connecting member 120 and 130, respectively. Combining the balls and the second coupling holes 121 and 131, respectively;
- first reinforcing bars and the second reinforcing bars (100, 110) are coupled to the hollow 135 of the first connecting member and the second connecting member (120, 130), respectively;
- the base end portions 200 of the first locking pieces and the second locking pieces 140 and 150 are pressed by the front ends of the first and second rebars 100 and 110 coupled thereto.
- the locking socket 160 rotates in the fastening screw direction to form an integrally coupled connection joint 170;
- a torque is applied to the locking socket 160 to apply a pulling force to the first connection member and the second connection member 120 and 130 to connect the first connection part to the first and second separation parts 400 and 410.
- the first connecting member 120, the second connecting member 130, the first locking piece 140, the second locking piece 150, and the locking socket 160 are made of metal and other materials, and are forged or cold. It may be produced by casting, cutting or drawing, including forging and hot forging, and may be subjected to heat treatment and strength by heat treatment if necessary.
- the locking piece integrated second connection member 700 is formed with a hollow 136 for coupling the reinforcing bar from one side to the second reinforcing bar 110 to the hollow 136
- the groove portion from the other side to form a connection joint by receiving the first locking piece 140 is formed with a protrusion corresponding to the groove portion of the locking piece integrated second connection member 700.
- the second locking piece 150 does not need to be provided separately, thereby making the configuration of the connection joint simpler than the first embodiment.
- the second locking piece 150 and the second connecting member 130 are each formed as separate members, and the first locking piece 140 is integrated with the first connecting member 120 to form a single locking piece.
- the first connection member can be achieved.
- This construction error is difficult to provide a method for immediately correcting in the field through a conventional coupler bar, through the present invention by shifting the phase of the connection member coupled to the pair of locking pieces coupled randomly fixed locking position locking locking 160
- By providing a fastening feature by the connection joint of the single reinforcing bar as well as the joint connection by the bundle assembly of the pre-assembled reinforcing bar can be arbitrarily compensated at the time of site construction to absorb the construction error.
- the first connection member and the second connection member (120, 130) is coupled to each of the one side and the other side of the pre-assembled reinforcing bar (800, 810), the pre-fabricated reinforcing bar of the side 800 is double
- pre-assembly of one side by the phase correction of the first connection member or the second connection member (120, 130) is a method of connecting the connection between the one and the other side of the prefabricated rebar network (800, 810) while correcting the inclination of the prefabricated rebar network (800).
- Phase correction means an adjusting action that brings about displacement of a screwed member toward a predetermined screwing point on a screw line by a screw rotation made in any direction of a member in a coupling relationship of a member formed by a screwing structure. do.
- the phase of the first connection member or the second connection member 120 and 130 by adjusting the phase of the first connection member or the second connection member 120 and 130, the one side and the inclination of the pre-assembled rebar network in a predetermined direction such as front, rear, left, and right angles are adjusted. It is possible to precisely connect the other wire assembly rebar network.
- connection joint of the prefabricated rebar network is coupled to the second connecting member 130, the second locking piece 150 is coupled to the lower prefabricated rebar network 960 is fixed and the upper line With respect to the assembled reinforcing bar network 950, the first locking member 140 is coupled to each of the first connecting member 120 is coupled to each other and the upper pre-assembled rebar network 950 is made from the step of lifting up and down (S1) .
- the second connecting member 130 to which the second locking piece 150 is coupled is coupled to the lower prefabricated rebar network 960 so that the locking socket 160 can be rolled up to be moved upward. .
- the first connecting member 120 coupled to the selected predetermined rebar end to be joined first is more than the first connecting member 120 coupled to the remaining rebar end to be joined later. It is preferable that the front end surface to be joined after both the heavy and the long distance is first corrected in the longitudinal direction to be displaced to form a phase deviation D, and then lifted.
- the first locking pieces 140 are first joined to the ends of one or a plurality of rebars selected from the same cross section.
- the abutment of the first locking piece and the second locking piece 140, 150 is abutment of the tip portion 190 of a corresponding shape facing each other, and includes both abutment by a protrusion of an arbitrary shape and abutment by an axis centering means. .
- the first locking piece 140 coupled to the end of the reinforcing bars arranged in the corner portion forming the included angle in the same cross section first comes first. It is most effective to provide the angular displacement of the upper line assembly reinforcing bar 950.
- the same cross-section of the upper line reinforcing bar network 950 forms a quadrangular arrangement, it is selected as reference bars located at four ears of the same cross-section, and the arrangement of the reference reinforcing bars has a " ⁇ " shape or a "+” shape. Is achieved.
- the upper pre-assembled rebar network 950 Since the upper pre-assembled rebar network 950 is fitted in the state of being loaded by its own weight, the length of the end is determined according to the overall longitudinal specification combined with the first locking piece 140 and the first connecting member 120, but It is enclosed by the silver band root 970, so that it is difficult to flow in the vertical direction as a whole, the upper pre-assembled rebar network 950 is settled in an inclined state in any direction of the up, down, left and right.
- the upper pre-assembled rebar network 950 may be moved in a direction such as front, rear, left, and right angles. It is a step (S3) to secure the vertical degree by tilting.
- the self-weight is proportionally distributed to the abutment surfaces of the paired locking piece pairs, so that the corresponding torque is introduced to the phase of the first connecting member 120. Is displaced, the front end portion 190 of the first locking piece 140 is engaged from the lower side to the upper side in abutted state and the phase shift of the first connecting member 120 is the upper and lower side of the upper side of the screwed bite Direction first displacement is generated.
- the first connection member 120 and the upper line assembly reinforcing bar 950 forms a screw coupling formed by a right screw
- the first locking piece ( 140) has the property to move forward and move downward but can not be displaced to the lower side in the situation that is supported from the butted end surface is the result that the rebar coupled to the first locking piece 140 is displaced upwards do.
- the predetermined rebars displaced upwards form an upper prefabricated rebar network 950.
- the upper first displacement of the rebar of the upper right ear is in the diagonal direction, that is, in the lower left ear direction.
- a second displacement that is an angular displacement of the upper line assembly rebar network 950 is generated.
- the first locking piece 140 has a property of being moved upward and moved upward and is supported from the opposing end surface. Since the self-weight is in a loaded state, the rebar coupled to the first connection member 120 is eventually displaced downward.
- the predetermined rebars displaced downward form the upper prefabricated rebar network 950.
- the first downward displacement of the rebar of the upper right ear is in the diagonal direction, that is, in the upper right ear direction.
- a second displacement that is an angular displacement of the upper line assembly rebar network 950 is generated.
- the first pre-assembled rebar network 950 is generated by displacing the phase of the first connection member 120 coupled to one or a plurality of predetermined rebars selected in this manner, respectively, in the right or left screw direction.
- the second displacement which is the angular displacement of, is generated and corrected in the vertical direction by tilting in the directions of forward, left, right, and right angles.
- phase correction of the first connection member 120 can be precisely adjusted, resulting in a second displacement in units of degrees, minutes, and seconds, which causes a proportional displacement corresponding to the end of the rebar. This allows precise correction of the verticality.
- the verticality of the fixed bottom of the prefabricated rebar network is to check the verticality of the upper prefabricated rebar network 950 through the verticality check means, that is, the leveler.
- the phase of the first connection member 120 is displaced, and when it is confirmed that the vertical degree is secured, the phase is fixed at the point of attachment of the first connection member 120.
- the pair of locking pieces are joined to each other by winding the first connection member 120 coupled to the end of the remaining rebar while maintaining the vertical angle (S5).
- the first connecting member 120 of the remaining reinforcing wires to be wound is formed after the verticality of the upper prefabricated rebar network 950 is secured, and the upper prefabricated rebar network 950 is connected by the selected connection part of the selected main bar. Since the verticality of the () is precisely secured so as not to be displaced, no displacement is generated in the verticality of the upper line reinforcing bar 950.
- step S6 of tightening the phase of the first connection member 120 coupled to the end of the butted rebar is locked with the locking socket 160.
Abstract
Description
Claims (28)
- 단부를 마주하여 이음될 제1철근 및 제2철근;중공이 형성되고 일측으로 부터는 상기 중공으로 상기 제1철근을 결합하고 타측으로 부터는 제1결합공을 형성하며 외면의 소정구간에 조임체결용 수나사부가 형성되는 제1연결부재;중공이 형성되고 일측으로 부터는 상기 중공으로 상기 제2철근을 결합하고 타측으로 부터는 제2결합공을 형성하는 제2연결부재;별도로 구비되어 상기 제1결합공으로 결합하는 제1로킹편;별도로 구비되어 상기 제2결합공으로 결합하는 제2로킹편;및상기 제2연결부재의 소정위치에 걸림된 후 상기 제2연결부재의 외면을 감싸며 결합되고 내면의 소정구간에 조임체결용 암나사부가 형성되어 상기 제1연결부재의 조임체결용 수나사부에 조임체결되는 로킹소켓;이 포함되어쌍을 이루는 상기 제1로킹편 및 제2로킹편이 맞댐된 상태에서 상기 로킹소켓의 조임체결에 의하여 일체화된 연결이음부를 이루는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항에 있어서.맞대지는 상기 제1로킹편 및 제2로킹편은몸체부, 상기 몸체부의 일측에 형성되는 선단부 및 상기 몸체부의 타측에 형성되는 기단부로 이루어져상기 기단부가 상기 제1결합공 또는 제2결합공으로 각각 결합되고 상기 선단부가 상호 맞댐되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제2항에 있어서,상기 제1결합공 및 제2결합공은상기 로킹소켓 조임체결시의 상기 제1연결부재 및 제2연결부재의 변위를 흡수하는 제1공간부 및 제2공간부를 각각 포함하는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제3항에 있어서,상기 제1공간부 및 제2공간부는 상기 중공으로 연통되어 상기 제1공간부 및 제2공간부의 크기가상기 제1연결부재 및 제2연결부재에 대한 상기 제1철근 및 제2철근의 결합구간의 길이에 따라서 가변적인 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제2항에 있어서,맞대지는 상기 제1로킹편 및 제2로킹편은각각 선단부가축방향에 수직하는 평면으로 형성되는 경우 또는선단부에 돌출되는 돌출부와 상기 돌출부에 대응되는 요홈부로 형성되는 경우로이루어지는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제5항에 있어서,상기 선단부에 돌출되는 돌출부와 상기 돌출부에 대응되는 요홈부는길이방향으로 외면이 일정한 구간과 경사진 구간이 하나 또는 복수로 구비된 다단 경사형 돌출부와 상기 다단경사형 돌출부에 대응되는 요홈부로 형성되는 경우또는길이방향으로 외면이 일정한 구간과 경사진 구간이 하나 또는 복수로 구비되고 끝단이 축방향에 평행하는 다단 경사형 사각돌출부와 상기 다단경사형 사각돌출부에 대응되는 요홈부로 형성되는 경우또는길이방향으로 외면이 일정한 구간과 경사진 구간이 하나 또는 복수로 구비되고 끝단이 라운드처리된 다단 경사형 곡선돌출부와 상기 다단경사형 곡선돌출부에 대응되는 요홈부로 형성되는 경우또는돌출된 원뿔, 원뿔대, 원추, 원기둥, 다각뿔, 다각뿔대, 다각추, 다각기둥, 구형상, 타원구형상, 절단구형상, 절단타원구형상,길이방향 단면형상이 삼각형상, 첨단이 라운드된 삼각형상, 사각형상, 모서리각이 라운드된 사각형상,단부면에 형성된 열십자 형상, 열십자와 원형상이 조합된 형상 및 물결모양으로 굴곡진 콜게이트 형상 중 선택된 어느 하나의 형상과 상기 돌출된 형상에 대응되는 요홈부로 형성되는 경우중 선택된 어느 하나로 이루어지는 로킹편 쌍을 이루는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제5항에 있어서,상기 요홈부는 축방향으로 관통되는 관통요홈을 이루는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제3항에 있어서,상기 제1로킹편 및 제2로킹편의 기단부는상기 제1결합공 및 제2결합공에 각각 결합되어지되상기 제1공간부 및 제2공간부 내부로 내입되어지고 상기 기단부의 위치관계가 상기 제1공간부 및 제2공간부 내에서 헐거운 상태인 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제8항에 있어서,상기 제1로킹편 및 제2로킹편의 몸체부에는상기 제1공간부 및 제2공간부 외측으로 형성되어 상기 제1로킹편 및 제2로킹편의 내입깊이를 규제하는 제2돌출턱이 형성되고상기 제2돌출턱과 상기 제1연결부재 및 제2연결부재의 선단면은 상호 이격되어져 초기슬립을 제거하거나 연결이음부의 길이를 조절하는 제1이격부 및 제2이격부를 이루는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제9항에 있어서,상기 제1공간부 및 제2공간부에는 상기 제1로킹편 및 제2로킹편 기단부의 제1돌출턱이 걸림되는 걸림단턱이 형성되고상기 걸림단턱은 하나 또는 복수의 나사부재로 이루어지는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제9항에 있어서,상기 헐거운 제1로킹편 및 제2로킹편의 기단부가상기 제1철근 및 제2철근의 선단면에 의하여 소정위치로 압박되어져 위치결정되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제9항에 있어서,상기 제1로킹편 및 제2로킹편의 기단부는상기 제1연결부재 및 제2연결부재의 중공으로 각각 결합되는 제1철근 및 제2철근의 선단부로 압박되어져 상기 제1공간부 및 제2공간부와 상기 제1철근 및 제2철근의 선단부에 각각 끼임되어 압지되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제12항에 있어서,상기 제1공간부 및 제2공간부의 입구부에는 내주에 제1암나사산이 형성되고상기 제1로킹편 및 제2로킹편의 기단부 소정구간에는 외주에 제1수나사산이 형성되어상기 제1수나사산이 상기 입구부에 각각 관통나삽되어지는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제13항에 있어서,상기 입구부 내주의 제1암나사산의 나사산과상기 제1철근 및 제2철근의 선단부 사이에 끼임되어상기 제1로킹편 및 제2로킹편이 압지되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제12항에 있어서,상기 제1공간부 및 제2공간부의 입구부 내주와상기 제1로킹편 및 제2로킹편의 기단부 소정구간의 외주는 끼움공차를 이루는 규격으로 형성되어상기 제1로킹편 및 제2로킹편의 기단부가 상기 입구부에 각각 억지끼워맞춤 되어지는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제15항에 있어서,상기 제1로킹편 및 제2로킹편의 기단부에는 소정위치에 제1차 진입위치를 나타내는 표시부가 형성되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제15항에 있어서,제1공간부 또는 제2공간부의 입구부 내주에는 요철면이 형성되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제9항 내지 제17항 중 어느 한 항에 있어서,상기 로킹소켓으로 조임체결시맞댐된 로킹편 쌍이 압압되어진 상태에서 상기 로킹소켓의 위상변위를 위하여 도입되는 토크는상기 제1연결부재 및 제2연결부재에 대하여 맞댐방향으로 각각 변위를 발생시키고상기 제1연결부재 및 제2연결부재의 변위는 상기 제1이격부 및 제2이격부로 각각 흡수되어져상기 제1이격부 및 제2이격부로 초기슬립이 흡수된 상태에서 연결이음부를 이루게 됨으로서 연결이음부의 초기슬립이 원천제거 되어지는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항에 있어서,상기 제1로킹편 및 제2로킹편은이음될 상기 제1철근 및 제2철근의 축심맞춤 기능과 연결이음부로 부터 발생하는 제1철근 및 제2철근의 초기슬립원천제거 기능을 동시에 수행하는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항에 있어서,상기 제1철근 및 제2철근은 나사마디형 철근이고상기 제1연결부재 및 제2연결부재의 중공에는 상기 나사마디형 철근결합용 암나사부가 각각 형성되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항에 있어서,상기 제1연결부재 및 제2연결부재의 중공에는 연결부재 나합용 암나사부가 각각 형성되고,상기 제1철근 및 제2철근은 상기 연결부재 나합용 암나사부에 결합되는 연결부재 나합용 수나사부가 형성되는 이형철근이고,상기 연결부재 나합용 수나사부는 단부에 스웨이징된 후 전조가공으로 누름나사가 형성되는 경우;절삭가공으로 절삭나사가 형성되는 경우; 및별도로 제조되어 접합되는 나사이음부재가 접합되는 경우;중 선택된 어느 하나에 의하여 형성되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항에 있어서,상기 로킹소켓이 걸림되는 제2연결부재의 소정위치는 하나의 단턱 또는 하나 이상의 다단으로 이루어지는 제1걸림턱을 이루고,상기 로킹소켓의 내면은 상기 제1걸림턱에 걸림되는 하나의 단턱 또는 하나 이상의 다단으로 이루어지는 제2걸림턱을 이루고상기 하나의 단턱 또는 하나 이상의 다단을 이루는 각각의 단은 예각, 직각 또는 둔각을 이루거나 소정의 곡율을 이루는 곡선형상으로 이루어지는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항에 있어서,상기 제1연결부재, 제2연결부재, 로킹소켓의 외면은 소정구간에 공구파지가 용이한 미끄럼방지수단이 형성되고,상기 미끄럼방지수단은외면이 스플라인 가공되는 경우, 외면이 널링 가공되는 경우, 횡단면이 원형을 이루는 경우, 단면형상이 다각형을 이루는 경우 및 한 쌍 이상의 서로 대향하는 위치에 있는 파지면이 구비되는 경우 중 선택된 어느 하나를 포함하는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항 또는 제13항 또는 제14항 또는 제21항에 있어서,조임체결용 수나사부, 조임체결용 암나사부, 제1암나사산, 제1수나사산, 연결부재 나합용 수나사부, 연결부재 나합용 암나사부의 나사결합구조를 이루는 나사산은한줄나사 이상의 나사선으로 형성되고,나사산의 형태는 삼각나사, 사각나사, 타원나사, 및 둥근나사 중 선택된 어느 하나의 형태로 형성되며,나사의 등급은 1급, 2급, 및 3급 나사 중 선택된 어느 하나로 형성되며,나사의 피치는 가는나사 또는 보통나사로 형성되며,나사산의 방향성은 왼나사선 또는 오른나사선으로 형성되는 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항에 있어서,상기 제1철근 및 제2철근의 규격이 상이한 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구.
- 제1항의 로킹편 쌍이 구비된 철근연결구를 이용한 선조립 철근망의 연결이음에 있어서,상기 제1연결부재 및 제2연결부재가 일측과 타측의 선조립 철근망에 각각 결합되는 단계;일측의 선조립 철근망이 양중된 후 내려져 상기 일측과 타측의 선조립 철근망에 각각 결합된 제1로킹편 및 제2로킹편의 맞댐이 이루어지는 단계; 및상기 제1연결부재 또는 제2연결부재의 위상보정에 의하여 일측의 선조립 철근망의 기울기가 보정되는 단계;를 포함하여선조립 철근망의 기울기를 보정하면서 선조립 철근망을 연결이음하는 것이 가능한 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구를 이용한 선조립 철근망의 연결이음 공법.
- 제1항의 로킹편 쌍이 구비된 철근연결구를 이용한 선조립 철근망의 연결이음에 있어서,고정되어진 하측의 선조립 철근망에 대하여는 상기 제2로킹편 및 제2연결부재를, 상측의 선조립 철근망에 대하여는 상기 제1로킹편 및 제1연결부재를 각각 결합하고, 상측 선조립 철근망의 동일단면에서 선택되어진 하나 또는 복수의 철근의 단부에 각각 결합된 제1로킹편 및 제1연결부재가 길게 위상편차를 이루는 상태로 상측의 선조립 철근망을 양중 후 하강시키는 단계;상측 선조립 철근망의 동일단면에서 선택되어진 하나 또는 복수의 철근의 단부에 각각 결합된 제1로킹편의 맞댐이 먼저 이루어지는 단계;상기 맞댐된 상기 제1로킹편에 결합된 제1연결부재의 위상보정에 의하여 상측 선조립 철근망의 기울기를 보정하여 수직도를 확보하는 단계;수직도가 확보된 나착지점에서 상기 제1연결부재의 위상을 로킹소켓으로 조임체결하는 단계;수직도를 유지하며 잔여철근 단부의 제1연결부재를 감아내려 잔여철근 단부에 각각 결합된 제1로킹편의 맞댐이 이루어지는 단계; 및상기 잔여철근 단부의 감아내려져 맞댐되어진 상기 제1연결부재의 위상을 로킹소켓으로 조임체결하는 단계;를 포함하여선조립 철근망의 기울기를 보정하면서 선조립 철근망을 연결이음하는 것이 가능한 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구를 이용한 선조립 철근망의 연결이음 공법.
- 제27항에 있어서,상측 선조립 철근망의 동일단면에서 선택되어진 하나 또는 복수의 철근은상측 선조립 철근망의 동일단면이 사각상의 배열을 이루고 동일단면의 네 귀에 위치된 기준철근으로 선택되어지며 상기 기준철근의 배열형상은 "×" 형상 또는 "+" 형상을 이루는 경우;또는상측 선조립 철근망의 동일단면이 사각 외의 다각상의 배열을 이루고 동일단면의 각 귀에 위치된 기준철근으로 선택되어지는 경우;또는상측 선조립 철근망의 동일단면이 원형의 배열을 이루고 동일단면의 사분점에 위치된 기준철근으로 선택되어지는 경우;중 선택된 어느 하나인 것을 특징으로 하는 로킹편 쌍이 구비된 철근연결구를 이용한 선조립 철근망의 연결이음 공법.
Priority Applications (3)
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US15/311,513 US20170081853A1 (en) | 2014-05-21 | 2015-05-13 | Rebar connector having a pair of locking pieces and connection method for prefabricated rebar net using same |
JP2016565035A JP2017516003A (ja) | 2014-05-21 | 2015-05-13 | ロッキング片ベアが設けられた鉄筋継手及びこれを利用した既組立鉄筋網の連結継ぎ合わせ工法 |
CN201580027009.4A CN106795717A (zh) | 2014-05-21 | 2015-05-13 | 配备成对锁块的钢筋接头以及使用该钢筋接头的预制钢筋网连接接合方法 |
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KR1020140060886A KR101456825B1 (ko) | 2014-05-21 | 2014-05-21 | 로킹편 쌍이 구비된 철근연결구 및 이를 이용한 선조립 철근망의 연결이음 공법 |
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JP (1) | JP2017516003A (ko) |
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KR101456825B1 (ko) | 2014-10-31 |
CN106795717A (zh) | 2017-05-31 |
JP2017516003A (ja) | 2017-06-15 |
US20170081853A1 (en) | 2017-03-23 |
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