CN106151186B - A kind of rebar connector, connection method, jointing and dedicated extruded mould - Google Patents
A kind of rebar connector, connection method, jointing and dedicated extruded mould Download PDFInfo
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- CN106151186B CN106151186B CN201610479262.XA CN201610479262A CN106151186B CN 106151186 B CN106151186 B CN 106151186B CN 201610479262 A CN201610479262 A CN 201610479262A CN 106151186 B CN106151186 B CN 106151186B
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- connector
- steel plate
- reinforcing bar
- plate section
- bar
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 126
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 238000003032 molecular docking Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000013589 supplement Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
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- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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- 230000000452 restraining effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F15/00—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire
- B21F15/02—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire
- B21F15/06—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire with additional connecting elements or material
-
- 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
- E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
- E04C5/167—Connection by means of clips or other resilient elements
-
- 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
- F16B7/04—Clamping or clipping connections
- F16B7/0433—Clamping or clipping connections for rods or tubes being in parallel relationship
Abstract
The invention discloses a kind of rebar connector, connection method, jointing and dedicated extruded mould, the connector includes circular arc steel plate section and the first steel plate section and the second steel plate section that are connected on two arc-shaped edges of circular arc steel plate section.The jointing includes the connector to form the reinforcing bar A and reinforcing bar B that overlap overlay segment connection end and be wrapped on reinforcing bar A and reinforcing bar B connection end that is abreast close together, the fin of the connector inner surface and rebar surface is closely interlocked, and the contact surface between the reinforcing bar A and reinforcing bar B is mutually compressed and is engaged.The present invention is a kind of supplement of rebar connecting technology, and reinforcing bar is attached using it both has the high security reliability of bonding strength, has the advantages that difficulty of construction is small again, operates time saving and energy saving economy and applied widely.
Description
Technical field
The present invention relates to the bar connecting utensil and method of building construction technology, and in particular to a kind of company for bar connecting
Fitting, connection method, jointing and dedicated extruded mould.
Background technology
Currently, country proposes the future architecture industry developing direction of smart city, green building and building industrialization；And carry
Go out to utilize 10 years or so time, assembled architecture is accounted for the ratio of new building and reach 30%；Building industrialization turns into current hair
Important topic is opened up, is the developing industry that policy is encouraged and supported.
At present in construction industry from conventional on-site constructs process excessively to industrialized production, new technical pattern system and
Bulk transport and hanging device in building machinery develop into industrialized production, assembled in situ provides strong support.However,
The installation process matched therewith of China's building industrialization at present also continues the technique used in traditional construction, these traditional construction works substantially
Some technical problems turn into the factor for restricting building industrialization development existing for skill.For example, in bar connecting construction, it is existing
Connection method mainly has：
(1) reinforcing bar colligation overlaps；(2) reinforcement welding；(3) straight screw sleeve connection, it is specific to include again：(3.1) screw shell
Connection；(3.2) cold extrusion sleeve connection；(3.3) reinforced bar sleeve grouting connection；(4) mixing of the foregoing three kinds of connected modes of application
Connection, mainly includes：(4.1) one end extruding or screw shell+one end sleeve grouting；(4.2) sleeve+overlap joint；Deng.
These above-mentioned connecting method for reinforcing bars, which are applied in prefabricated assembled concrete structure construction, all there are different aspect
Shortcoming, specifically：
1st, the deficiency overlapped using (1) reinforcing bar colligation is：The lap of splice is big, and pouring concrete amount is big behind scene, can be pre-
Fraction processed reduces very big, prefabricated rate reduction；Scene will also use relatively large template, assembling advantage can not be played, using mistake
Open that overlap joint overlap is bigger, becomes apparent from not being suitable for industrialization demand.
2nd, it is using the deficiency of (2) reinforcement welding：Site Welding reinforcing bar is unable to reach a kind of level weld seam requirement, additionally, due to
Weld heat treatment to reinforcing bar, it is also difficult to reach the I of building aseismicity bar connecting, II grade of joint standard,《Steel concrete supporting skill
Art code JGJ107-2010》.
3rd, it is using the deficiency of (3) straight screw sleeve connection：Reinforcing bar require accurate contraposition, it is desirable to the reinforcing bar face of connection and
It is inserted in sleeve, because the impact of reinforcing bar production error and transportation causes reserved steel bar to produce bending deflection, therefore
It is required that each reinforcing bar must check straightening, and it is aerial completion in hoisting process that reinforcing bar, which is aligned into set, to apply live work band
Carry out great difficulty, efficiency of construction is not high.
4th, do not solve prefabricated components bar connecting very well using current rebar connecting technology, as assembled architecture is prefabricated
Two end bars of horizontal member are difficult while realize that I level joints are connected with mounted both sides component reserved steel bar, at present processing
This connection is more to be using overlap joint, its deficiency using mechanical connection, the other end using one end：Overlap joint is reserved non-prefabricated
Section is longer, causes prefabricated rate low.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of connector for bar connecting, and carry
For a kind of connection method for bar connecting realized using above-mentioned connector, there is provided a kind of to be obtained by above-mentioned connection method
Steel bar connector, and the dedicated extruded mould used in a kind of connection method is provided, reinforcing bar is entered using the present invention
Row connection has the advantages that bonding strength is high, difficulty of construction is small, operation is time saving and energy saving, cost is low, it is high to save material, prefabricated rate,
The connection of reinforcing bar can reach I levels or II level jointing standards；The present invention is a kind of supplement of rebar connecting technology, and it is being assembled
Formula building applicability is more preferable.
The purpose of the present invention is realized by following technical scheme：
A kind of connector for bar connecting, including circular arc steel plate section and it is connected to circular arc steel plate section
The first steel plate section and the second steel plate section on two arc-shaped edges.
In the connector of the present invention, it is preferable that the first steel plate section and the second steel plate section are slide plate and and circular arc
The arc surface of steel plate section is tangent so that seamlessly transits, improves between circular arc steel plate section and the first steel plate section and the second steel plate section
Stress performance.The radian of the circular arc steel plate section is preferably 180 °, naturally it is also possible to is greater than or other angles less than 180 °
Degree.
Along circular arc steel plate section and the tangential direction of the junction of the first steel plate section and the second steel plate section, first steel
The length of plate section and the second steel plate section can be with equal, can also be unequal.The circular arc steel plate section, the first steel plate section and
The thickness of two steel plate sections be able to can not also be waited with equal.
One preferred scheme of the connector of the present invention, wherein, described in the first steel plate section and the second steel plate Duan Yu
The relative one end of circular arc steel plate section is connected with additional circular arc steel plate section, the arc surface of the additional circular arc steel plate section with it is described
First steel plate section and the second steel plate section are tangent.The cross section of connector in the preferred scheme is in be similar to sports ground standard runway
Long Circle.
A kind of connection method for bar connecting realized using above-mentioned connector, comprises the following steps：
(1) the reinforcing bar A that need to be connected and reinforcing bar B connection end is abreast close together to form overlap joint overlay segment, the overlap joint
The length of overlay segment is more than the length of connector；
(2) connector is buckled on reinforcing bar A and reinforcing bar B overlap joint overlay segment, and allows a wherein reinforcing bar to reach connector
Circular arc-shaped bottom portion and be close to；
(3) the dedicated extruded mould on extruding apparatus is enclosed on outside connector；
(4) using apparatus is extruded to the radially inner extruding force of extrusion die application, so as to extrude connector, make
Plastic deformation occurs for connector and the fin of rebar surface is closely interlocked, while the contact surface of two reinforcing bars is also squeezed and overlayed
Tightly and it is engaged, completes connection.
A kind of steel bar connector obtained by above-mentioned connection method, the joint include abreast being close together to form overlap joint
The reinforcing bar A and reinforcing bar B of overlay segment connection end and the connector being wrapped on reinforcing bar A and reinforcing bar B connection end, the connection
The fin of part inner surface and rebar surface is closely interlocked, and the contact surface between the reinforcing bar A and reinforcing bar B mutually compresses simultaneously
Occlusion.
One preferred scheme of the steel bar connector of the present invention, wherein, two companies are set at the overlap joint overlay segment
Fitting, the abutment joint direction of two connectors mutually stagger 180 °.It is intended that when the connector is connected to two reinforcing bars
After upper, the connection at the position of the first steel plate section and the docking of the second steel plate section is relatively weak by force, by using above-mentioned connected mode,
The weaker position can be strengthened so that integrated connection intensity is more preferable.It should be understood that the first steel plate section and
The abutment joint at the position of two steel plate sections docking has no effect on bonding strength, and its reason is：First, for only axial tension or
The reinforcing bar of compression chord, its decomposition is very small in the connector tension of abutment joint, and the reinforcing bar connected is that landfill is mixed
Solidifying soil the inside, the armored concrete of the reinforcing bar composition of concrete and other direction wraps up it restraining force much larger than docking
Tension at seam, in addition with the resistivity of connector itself；Second, for transverse shearing force that may be present, in reinforcing bar
There is the section at connector bigger than the section at connectionless part, serve booster action, the shearing along abutment joint direction is in addition
What the reinforcing bar and concrete in one direction undertook, it is unrelated with the component of the present invention.
One preferred scheme of the steel bar connector of the present invention, wherein it is desired to which the connection end of two reinforcing bars of connection is curved
Identical angle is rolled over, the axial line of the other parts in two reinforcing bars in addition to connection end is on the same line.Its role is to：1、
Two reinforcing bars being connected can be allowed to be set in an axis, meet specific design requirement；2nd, it is connected to same axle when reinforcing bar
When on line, the additional stress brought because two reinforcing bar axis are misaligned is just avoided that.
One preferred scheme of the steel bar connector of the present invention, wherein, the outer surface of connector is formed with circumferential groove
Or axial notch, or there is circumferential groove and axial notch simultaneously；When only circumferential groove, the circumferential groove to be multigroup,
It is distributed along the axis direction of connector, around whole connector；When only axial notch, the axial notch is located at and two
The fitting position corresponding position of root reinforcing bar；When there is circumferential groove and axial notch simultaneously, the circumferential groove to be multigroup, along
The axis direction distribution of connector, every group of circumferential groove include two sections of circumferential grooves, and the ends of two sections of circumferential grooves terminates at the
The middle part of the docking section and the circular arc steel plate section relative with the docking section of one steel plate section and the second steel plate section, two sections of rings are recessed
The terminated site of the end of groove forms axial projection respectively, and ring is formed along the part between two groups of circumferential grooves of axis distribution
To projection；The axial notch is located at is bonded position corresponding position with two reinforcing bars.In " axial notch ", " axial projection "
" axial direction " and " axis direction " refer to the length direction of connector.The effect of the circumferential groove is set to be, should
Annular groove is formed by convex stupefied extruded on connector of respective shapes in extrusion die, and the intensity of pressure at the position is very during extruding
Greatly, make connector that detrusion occur, and formed it is corresponding with the fin of reinforcing bar extrude groove, so as to increase reinforcing bar and connector it
Between snap-in force；And if allowing connector that the detrusion occurs in its length range to be engaged with the fin of reinforcing bar, then
Need very big plus-pressure, difficulty of construction is relatively large.The effect of the axial notch is, due to the fitting in two reinforcing bars
Formed with gap between position and connector, by setting the axial notch so that the gap shrinks, so as to increase connection
The occlusal surface area of part and reinforcing bar, further improves connection effect.
One preferred scheme of the steel bar connector of the present invention, wherein, the overlap joint that reinforcing bar is connected at described two is overlapping
Segment length reaches《Code for design of concrete structures GB50010-2010》Defined colligation overlap joint connecting length llOr《Skyscraper
Concrete structure technique code JGJ3-2010》Colligation overlap joint connecting length llE, while connector is provided with overlay segment, formed
The connection of reinforcing bar colligation overlap joint and the dual connection mechanically connected.Dual connection has higher safety reliability, suitable for important
The bar connecting of the critical structures of engineering, the dual connection of reinforcing bar are the connected modes that prior art can not be realized, Yin Benfa
Bright connection be to reinforcing bar it is undamaged connection and two kinds connection be can each independent act on connection, be 1+1=2
Connection.Although the welding of prior art can also realize dual connection together with colligation overlap joint combination, welding is one to reinforcing bar
The individual heat treatment process to reinforcing bar, reinforcement property can change after welding, and overlap just disconnects after weld fracture
Function, screw or rivet interlacement something like steel construction trip phenomenon, its connect be 1+1≤2 connection；And other existing skills
The sleeve connection of art can not implement dual link.
A kind of dedicated extruded mould for bar connecting, the dedicated extruded mould is by two modules pair in symmetrical structure
Connect and form, the surface of internal cavity of two to be docking together module forms compressive plane, and the compressive plane is in be connected to the connector
The Long Circle of the consistent standard movement field runway shape of profile after reinforcing bar；The radial direction of the interface of two modules and the compressive plane
Face overlaps where major axis.
Preferably, in order to which the nip pressure much of that for making mould is bigger, the more preferable connector that extrudes realizes firm connection, institute
It is stupefied provided with annular protrusion extruding to state the surface of internal cavity of two modules, or axial projection extruding is stupefied, or squeezed simultaneously provided with annular protrusion
Press the extruding of stupefied and axial projection stupefied, wherein, the annular protrusion extruding is stupefied to be circumferentially arranged on module compressive plane, the axial direction
Projection extrudes the stupefied straight position middle for being axially disposed at module compressive plane, and annular protrusion extruding is stupefied and axial projection extrudes
Stupefied right-angled intersection is together." axial direction " refers to the length direction of extrusion die during the axial projection extruding is stupefied.
Preferably, the annular protrusion extrudes the one or both ends setting corner cut of the stupefied radial direction long axis direction in compressive plane,
The opening of module is set to become big, being easy to connector to enter in dies cavity, (the radial direction major axis dimension due to connector is not being squeezed
The first steel plate section and the second steel plate section are straight panel before pressure, and their length, which is more than corresponding to dies cavity, does not have the radial direction of corner cut
Major axis dimension, by setting the corner cut just more easily connector can be allowed to enter in dies cavity)；The corner cut position shape phase
That answers forms above-mentioned axial projection on connector.
Preferably, annular protrusion extruding is stupefied and axial projection extrudes that stupefied cross section is trapezoidal or rectangle or bow
Shape, when trapezoidal or arch, it can be reduced or avoided at stupefied side and stress concentration occur, and mould can be made more robust.
Preferably, the annular protrusion extrudes stupefied projection area and accounts for the 30-70% of arc surface area and is advisable so that connection
Effect is more preferable.
It is existing compared with the present invention is for the connector of bar connecting, connection method, jointing and dedicated extruded mould
It is corresponding immediate prior art to have the sleeve in technology, extrusion socket joint, sleeve connection joint and extrusion die,
Compared with the immediate prior art, the beneficial effects of the present invention are：
1st, compared with the extrusion socket joint of prior art, in the case of equal length and wall thickness, connection of the invention
Part has more preferable bonding strength.Its basic reason is the power when connector of the present invention works with sleeve of the prior art
Transfer mode is different：In existing sleeve connection, reinforcing bar A axial force (is threadedly coupled or squeezed when using by mechanical snap
During pressure connection) or the grouting body of consolidation be all delivered to one end of sleeve (when using grouting connection), recross the axle of sleeve
The other end of sleeve is reached to center, and passes to reinforcing bar B in an identical manner, on the one hand, it is required that reinforcing bar and sleeve or filling
Occlusal contact area between slurry (is presented as the length of sleeve, the length of another sleeve is directly proportional to connecting the diameter of reinforcing bar
Relation) it is sufficiently large to prevent both from departing from, on the other hand, it is desirable to which the minimum cross-sectional area of sleeve extruding rearward recess (embodies
For the wall thickness of sleeve, and be to extrude to need to undertake all axial forces at the minimum cross-section of rearward recess) it is sufficiently large with
Prevent sleeve breakage；And in the connector of the present invention, a part for reinforcing bar A axial force passes to connector by mechanical snap
Side diametrically, the longitudinal center for recrossing connector reach the opposite side of connector diametrically, and with identical side
Formula passes to reinforcing bar B, while another part of reinforcing bar A axial force is then direct by the occlusion position between reinforcing bar A and reinforcing bar B
B reinforcing bars are passed to, first, from occlusal contact area, when using the connector with existing sleeve equal length, steel in the present invention
Muscle A and the length of action of reinforcing bar B and connector are equal to the length of connector, and reinforcing bar A and steel in existing sleeve connection technology
The length of action of muscle B and sleeve only has the half of length sleeve, although in the present invention on the section of connector reinforcing bar A and reinforcing bar
The lines of occlusion of B and connector is shorter than sleeve of the prior art, but can at least reach now sleeved 70% so that every steel
The occlusal contact area of muscle and connector can at least reach percent the 140% of prior art, in addition, reinforcing bar A and reinforcing bar B in the present invention
Between the part that is directly engaged can also share a big chunk load so that axial load resistant ability of the invention is obviously improved；
Secondly, from the sectional area of connector, when using the connector of wall thickness identical with existing sleeve, existing sleeve is transversal
All axial forces are born in face, and connector of the invention is that longitudinal cross-section receiving portion divides axial force, and generally sleeve and
The longitudinal cross-section area of connector is more much bigger than cross-sectional area, therefore the bearing capacity of the connector of the present invention is stronger, and
And the connector of the invention longitudinal cross-section area in the case of length is increased also accordingly increases, its axial snap-in force and vertical
Be to the anti-axial force in section it is interrelated complementary, and the axial snap-in force of existing sleeve only with sleeve
Length is related, and the anti-axial force of lateral cross section is only relevant with wall thickness, it is necessary to meet respective power delivery request respectively.Thus
It can be seen that in the case of equal length and wall thickness, connector of the invention has more preferable bonding strength, is reaching same in other words
Deng bonding strength in the case of, the length of connector of the invention is shorter, and wall thickness is thinner.
2nd, compared with the extrusion socket joint of prior art, the connector of the invention more laborsaving, connection when extruding connection
Part simple production process, quality easily ensure that production efficiency is high, and consumptive material is less, and cost is lower.The present invention connector in circular arc
The relative one end of shape steel plate section is hatch frame, and the connector occurs bending and deformation first when carrying out extruding connection, makes connector
It is bonded with rebar surface and then detrusion occurs again, so needs impression relatively shallower and the wall thickness of relative sleeve connector
It is thinner, therefore the resistance that is subject to is smaller, it is necessary to the energy of consumption is low, it is more laborsaving, also, extruding final product quality is ensured relative
Easily, it is possible to reduce because extruding makes the probability of connector cracking.It is structural mechanics and existing sleeve cross section is tubular structure
One of most strong form in system, and extrude connect when all steel detrusion, in order to reinforcing bar insertion sleeve, set
The impression that cylinder has certain space length before being extruded with rebar surface, extruding requires is also relatively deep, required pressure and energy
Company's part part than the present invention is much greater, simultaneously because the probability for extruding and causing sleeve to ftracture is of a relatively high.Connect for extruding
Connect for the larger job site of operation difficulty, power consumption is lower, more labour-saving connected mode obviously can reduce difficulty of construction
With raising operating efficiency.
3rd, compared with the extrusion socket joint of prior art, attended operation of the invention is more prone to.The connection of the present invention
Part only requires that two reinforcing bars have the overlap joint overlay segment of certain length, the overlap joint overlay segment can prolong when connecting two reinforcing bars
Long, when connector is buckled into the overlap joint overlay segment, the connection end of two reinforcing bars is constructed from radially into connector
Difficulty is smaller, relatively also lower to the length requirement of the connection end of two reinforcing bars.And in existing sleeve connection, two during connection
The end of reinforcing bar alignment sleeve and must be entered axially into sleeve, and the connection end of two reinforcing bars is unable to overlength, can not
Too short (can not have short across defined error), therefore more strict is required to the size of reinforcing bar, constructing operation difficulty is also larger.
5th, compared with existing interconnection technique, connection reinforcing bar of the invention and connection method can have both been applied traditional cast-in-place mixed
Xtah Crude Clay structure can also be applied in fabricated construction, especially apply in prefabricated construction that advantage is more obvious, both had
Overlap the easy for construction of reinforcing bar, but have simultaneously mechanical connection linkage section it is short the advantages of, be easy to implement high prefabricated rate, and can be real
The bar connecting that existing prior art can not accomplish or be difficult to carry out；Such as predetermined level component both ends bar connecting when, this hair
It is bright to realize that mechanical splice is connected with the mounted reserved steel bar in the component of both sides simultaneously, and the length of institute's reserved steel bar
Less than the length in reserve required for overlap joint, prefabricated rate is high, and the connection method of prior art is had at one end using machinery knot
Structure connects and uses and overlap in the other end.
6th, connector of the invention by the power of a reinforcing bar when being delivered to another reinforcing bar it is more direct, path is more
It is short, it is more easy to reach the reinforcing bar I levels of pertinent regulations, II level jointing standards；And the dual connection of reinforcing bar, safe and reliable can be realized
Property up to or more than to existing pertinent regulations highest safely overlap joint standard；Such as《Engineering structure reliability design unified standard
GB50531-2008》In one-level safe class standard.
7th, required extruding energy is small when dedicated extruded mould of the invention can make connection, connector is combined with reinforcing steel bar machinery
Closely, and then reduce connector size, connection machinery miniaturization is become possibility.
Brief description of the drawings
Fig. 1 and Fig. 2 is the stereochemical structure of the first embodiment of the connector for bar connecting of the present invention
Schematic diagram.
Fig. 3 is the stereochemical structure signal of second of embodiment of the connector for bar connecting of the present invention
Figure.
Fig. 4 and Fig. 5 is the process schematic of the connection method for bar connecting of the display present invention, wherein, Fig. 4 is will
Connector is buckled on reinforcing bar A and reinforcing bar B overlap joint overlay segment, and allows a wherein reinforcing bar to reach the circular arc-shaped bottom portion of connector simultaneously
Schematic diagram when being close to, Fig. 5 are the schematic diagram after the completion of connection.
Fig. 6-Fig. 8 is the structural representation of the first embodiment of the steel bar connector of the present invention, wherein, Fig. 6 is
Front view, Fig. 7 are left view, and Fig. 8 is right view.
Fig. 9-Figure 11 is the structural representation of second of embodiment of the steel bar connector of the present invention, wherein, Fig. 9 is
Front view, Figure 10 are left view, and Figure 11 is right view.
Figure 12 and Figure 13 is respectively Fig. 9 A-A and B-B sectional views (enlarged drawing).
Figure 14 is Figure 12 C-C sectional views, and Figure 15 is the D-D sectional views in Figure 13.
Figure 16-Figure 18 is the structural representation of the third embodiment of the steel bar connector of the present invention, wherein, Figure 16
For front view, Figure 17 is left view, and Figure 18 is right view (connector is splitted).
Figure 19 is Figure 16 E-E sectional views (enlarged drawing), and Figure 20 is Figure 16 F-F sectional views (enlarged drawing).
Figure 21 is the structural representation of the first embodiment of the dedicated extruded mould of the present invention.
Figure 22 and Figure 23 is Figure 21 G-G profiles, wherein, Figure 22 is the structure when it is one that annular protrusion extruding is stupefied
Schematic diagram, Figure 23 are the structural representation when it is two that annular protrusion extruding is stupefied.
Figure 24 is the structural representation of second of embodiment of the dedicated extruded mould of the present invention.
Figure 25 and Figure 26 is the compressive plane front view of dedicated extruded mould shown in Figure 24, wherein, Figure 25 is to work as annular protrusion
Stupefied structural representation when being one is extruded, Figure 26 is the structural representation when it is two that annular protrusion extruding is stupefied.
Figure 27 and Figure 28 is respectively I-I sectional views and J-J sectional views in Figure 25 or Figure 26.
Figure 29 is the H-H sectional views in Figure 25.
Figure 30 is the H-H sectional views in Figure 26.
Figure 31 is stereogram corresponding to structure shown in Figure 25.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment 1
Referring to Fig. 1 and Fig. 2, the present embodiment is the first embodiment of the connector 1 for bar connecting of the present invention,
The connector 1 is by circular arc steel plate section 2 and the first steel plate section being connected on two arc-shaped edges of circular arc steel plate section 2
3 and second steel plate section 4 form, the first steel plate section 3 and the second steel plate section 4 be slide plate and with the circle of circular arc steel plate section 2
Cambered surface is tangent；The radian of the circular arc steel plate section 2 is equal to 180 °.Along circular arc steel plate section 2 and the first steel plate section 3 and second
The tangential direction of the junction of steel plate section 4, the equal length of the first steel plate section 3 and the second steel plate section 4, the circular arc steel
The thickness of plate section 2, the first steel plate section 3 and the second steel plate section 4 is equal.The connector 1 except can use and prior art
Branch sleeve identical preparation method can also strike out product outside making using rectangular steel plates.
Embodiment 2
Referring to Fig. 3, the present embodiment is second of embodiment of the connector 1 for bar connecting of the present invention, this reality
The difference of the connector 1 of example compared with Example 1 is applied to be：The first steel plate section 3 and the second steel plate section 4 with it is described
The relative one end of circular arc steel plate section 2 is connected with additional circular arc steel plate section 2-1, the circular arc of the additional circular arc steel plate section 2-1
Face and the first steel plate section 3 and the second steel plate section 4 are tangent.The cross section of the connector 1 of the present embodiment is in be similar to sports ground
The Long Circle of standard runway.
Embodiment 3
Referring to Fig. 4 and Fig. 5, the present embodiment connects for the reinforcing bar that is used for that connector 1 described in the Application Example 1 of the present invention is realized
A kind of embodiment of the connection method connect, the connection method comprise the following steps：
(1) the reinforcing bar A5 that need to be connected and reinforcing bar B6 connection end is abreast close together to form overlap joint overlay segment, this is taken
The length for connecing overlay segment is more than the length of connector 1；
(2) connector 1 is buckled on reinforcing bar A5 and reinforcing bar B6 overlap joint overlay segment, and allows a wherein reinforcing bar A5 to reach and connect
The circular arc-shaped bottom portion of fitting 1 is simultaneously close to (referring to Fig. 4)；
(3) the dedicated extruded mould on extruding apparatus is enclosed on outside connector 1, the extruding apparatus is using existing
Conventional equipment；
(4) utilize and extrude apparatus to the radially inner extruding force of extrusion die application, so that connector 1 is extruded,
The fin of the generation of connector 1 plastic deformation and rebar surface is set closely to be interlocked, while the contact surface of two reinforcing bars is also squeezed
Overlay tight and be engaged；It is finally completed connection (referring to Fig. 5).
Embodiment 4
Referring to Fig. 6-Fig. 8, the present embodiment connects for the bar connecting that connection method described in the Application Example 3 of the present invention obtains
The first embodiment of head, the joint include abreast being close together to form the reinforcing bar A5 and reinforcing bar B6 of overlap joint overlay segment
Connection end and the connector 1 that is wrapped on reinforcing bar A5 and reinforcing bar B6 connection end, the inner surface of connector 1 and bar list
The fin in face is closely interlocked, and the contact surface between the reinforcing bar A5 and reinforcing bar B6 is mutually compressed and is engaged.
The outer surface of the connector 1 is provided with circumferential groove 7, and the circumferential groove 7 is multigroup, along the axis of connector 1
Directional spreding, around whole connector 1.
Embodiment 5
Referring to Fig. 9-Figure 15, the difference of the present embodiment compared with Example 4 is：
The outer surface of the connector 1 is provided with circumferential groove 7 and axial notch 10 simultaneously, wherein, the circumferential groove 7 is
It is multigroup, it is distributed along the axis direction of connector 1, every group of circumferential groove 7 includes two sections of circumferential grooves 7, two sections of circumferential grooves 7
End terminates at the docking section of the first steel plate section 3 and the second steel plate section 4 and the circular arc steel plate section 2 relative with the docking section
Middle part, the terminated site of the end of two sections of circumferential grooves 7 form axial projection 9 respectively, and two groups of rings being distributed along axis are recessed
Part between groove 7 forms ring projection 8；The axial notch 10 is located at is bonded position corresponding position with two reinforcing bars.
Embodiment 6
Referring to Figure 16-Figure 20, the difference of the present embodiment compared with Example 4 is：
The connection end bending identical angle for two reinforcing bars 5,6 for needing to connect, its in two reinforcing bars in addition to connection end
His axial line of part is on the same line.
Two connectors 1 are set at the overlap joint overlay segment, and the abutment joint direction of two connectors 1 mutually staggers
180°。
The edge of the circumferential groove 7 is provided with chamfering, avoids stress concentration.
Embodiment 7
Referring to Figure 21, the present embodiment is the dedicated extruded mould used in the connection method for bar connecting of the present invention
The first embodiment, the dedicated extruded mould dedicated extruded mould in two modules 14 of symmetrical structure by docking
Form, the surface of internal cavity of two to be docking together module 14 forms compressive plane, and the compressive plane is in be connected to the connector 1
The Long Circle of the consistent standard movement field runway shape of profile after reinforcing bar；The footpath of the interface of two modules 14 and the compressive plane
Face overlaps where to major axis.
The surface of internal cavity of described two modules 14 is provided with annular protrusion extruding stupefied 11, and annular protrusion extruding stupefied 11 is circumferentially
It is arranged on the compressive plane of module 14, for forming annular groove 7 on the surface of connector 1.
Along axis direction, the annular protrusion extruding stupefied 11 can be single (referring to Figure 22), or two (ginsengs
See Figure 23), or more, it can be determined according to the extruding maximum pressure and operating space of connection extrusion equipment.
Embodiment 8
Referring to Figure 24-Figure 28, the present embodiment uses special crowded in the connection method for bar connecting for the present invention
Second of embodiment of compression mould, the present embodiment are further improved on the basis of embodiment 7 and obtained, wherein, except
Set outside the annular protrusion extruding stupefied 11, be additionally provided with axial projection extruding stupefied 12, axial projection extruding stupefied 12 is arranged at mould
Together with the straight position middle of the compressive plane of block 14, annular protrusion extruding stupefied 11 and stupefied 12 right-angled intersection of axial projection extruding.
The both ends that the annular protrusion extrudes the stupefied 11 radial direction long axis direction in compressive plane set corner cut 13, make module 14
Opening becomes big, is easy to connector 1 to enter in dies cavity, the position shape of corner cut 13 forms above-mentioned on connector 1 accordingly
Axial projection 9.
In addition, annular protrusion extrude stupefied 11 other it is stupefied while and axial projection extrude stupefied 12 it is stupefied while at oblique angle is all set
(see Figure 25, Figure 26) so that the cross section of annular protrusion extruding stupefied 11 and axial projection extruding stupefied 12 is trapezoidal.The convex annular
The projection area for playing extruding stupefied 11 accounts for the 30-70% of arc surface area so that connection effect is more preferable.
Along axis direction, the annular protrusion extruding stupefied 11 can be single (referring to Figure 25 and Figure 29), or
Two (referring to Figure 26 and Figure 30), or more, extruding force maximum and the operating space that apparatus can be extruded according to connection are true
It is fixed.
Above-mentioned is the preferable embodiment of the present invention, but embodiments of the present invention are not limited by the above, its
His any Spirit Essence without departing from the present invention with made under principle change, modification, replacement, combine, simplification, should be
The substitute mode of effect, is included within protection scope of the present invention.
Claims (12)
1. a kind of connector for bar connecting, it is characterised in that including circular arc steel plate section and be connected to circular arc
The first steel plate section and the second steel plate section on two arc-shaped edges of shape steel plate section；The cross-sectional length of the connector meets following bar
Part：When two bar splicings to be connected are completed to connect together, dead size inside the cross section length direction of the connector
No more than the first bar diameter and the second bar diameter sum, and two reinforcing bars are mutually twisted.
2. the connector according to claim 1 for bar connecting, it is characterised in that the first steel plate section and second
Steel plate section is slide plate and tangent with the arc surface of circular arc steel plate section, and the radian of the circular arc steel plate section is 180 °.
3. the connector according to claim 1 for bar connecting, it is characterised in that the first steel plate section and second
The relative one end of circular arc steel plate section is connected with additional circular arc steel plate section described in steel plate Duan Yu, the additional circular arc steel plate section
Arc surface and the first steel plate section and the second steel plate section it is tangent.
A kind of 4. connection side for bar connecting that connector for bar connecting using described in claim 1 is realized
Method, it is characterised in that comprise the following steps：
(1) the reinforcing bar A that need to be connected and reinforcing bar B connection end is abreast close together to form overlap joint overlay segment, the overlap joint is overlapping
The length of section is more than the length of connector；
(2) connector is buckled on reinforcing bar A and reinforcing bar B overlap joint overlay segment, and allows wherein reinforcing bar to reach the circle of connector
Curved bottom is simultaneously close to；
(3) the dedicated extruded mould on extruding apparatus is enclosed on outside connector；
(4) using apparatus is extruded to the radially inner extruding force of extrusion die application, so as to extrude connector, connection is made
Plastic deformation occurs for part and the fin of rebar surface is closely interlocked, while the contact surface of two reinforcing bars is also extruded and is adjacent to simultaneously
Occlusion, complete connection.
5. the steel bar connector that a kind of connection method for bar connecting as described in the claims 4 obtains, it is special
Sign is that the joint includes abreast being close together forming the reinforcing bar A and reinforcing bar B that overlap overlay segment connection end and being wrapped in
Connector on reinforcing bar A and reinforcing bar B connection end, the fin of the connector inner surface and rebar surface are closely engaged in one
Rise, the contact surface between the reinforcing bar A and reinforcing bar B is mutually compressed and is engaged.
6. steel bar connector according to claim 5, it is characterised in that：Two companies are set at the overlap joint overlay segment
Fitting, the abutment joint direction of two connectors mutually stagger 180 °.
7. steel bar connector according to claim 5, it is characterised in that：Need the connection end of two reinforcing bars that connects curved
Identical angle is rolled over, the axial line of the other parts in two reinforcing bars in addition to connection end is on the same line.
8. steel bar connector according to claim 5, it is characterised in that：The outer surface of connector is formed with circumferential groove
Or axial notch, or there is circumferential groove and axial notch simultaneously；When only circumferential groove, the circumferential groove to be multigroup,
It is distributed along the axis direction of connector, around whole connector；When only axial notch, the axial notch is located at and two
The fitting position corresponding position of root reinforcing bar；When there is circumferential groove and axial notch simultaneously, the circumferential groove to be multigroup, along
The axis direction distribution of connector, every group of circumferential groove include two sections of circumferential grooves, and the ends of two sections of circumferential grooves terminates at the
The middle part of the docking section and the circular arc steel plate section relative with the docking section of one steel plate section and the second steel plate section, two sections of rings are recessed
The terminated site of the end of groove forms axial projection respectively, and ring is formed along the part between two groups of circumferential grooves of axis distribution
To projection；The axial notch is located at is bonded position corresponding position with two reinforcing bars.
9. steel bar connector according to claim 5, it is characterised in that：The overlap joint that reinforcing bar is connected at described two is overlapping
Segment length reaches《Code for design of concrete structures GB50010-2010》Defined colligation overlap joint connecting length llOr《Skyscraper
Concrete structure technique code JGJ3-2010》Colligation overlap joint connecting length llE, while connector is provided with overlay segment, formed
The connection of reinforcing bar colligation overlap joint and the dual connection mechanically connected.
10. the dedicated extruded mould used in the connection method for bar connecting described in a kind of claim 4, its feature exist
In the dedicated extruded mould is formed by two modules docking in symmetrical structure, the inner chamber table of two to be docking together module
Face forms compressive plane, and the compressive plane is in the consistent standard movement field runway shape of profile after being connected to reinforcing bar with the connector
Long Circle；The interface of two modules overlaps with face where the radial direction major axis of the compressive plane.
11. dedicated extruded mould according to claim 10, it is characterised in that the surface of internal cavity of described two modules is provided with
Annular protrusion extruding is stupefied, or axial projection extruding is stupefied, or simultaneously stupefied stupefied with axial projection extruding provided with annular protrusion extruding, its
In, the annular protrusion extruding is stupefied to be circumferentially arranged on module compressive plane, and the axial projection extruding is stupefied to be axially disposed at
The straight position middle of module compressive plane, the raised extruding stupefied section present situation rectangular and trapezoidal shapes or arch.
12. dedicated extruded mould according to claim 11, it is characterised in that the annular protrusion extruding is stupefied in compressive plane
Radial direction long axis direction one or both ends set corner cut.
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| CN201610479262.XA CN106151186B (en) | 2016-06-24 | 2016-06-24 | A kind of rebar connector, connection method, jointing and dedicated extruded mould |
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| CN201610479262.XA CN106151186B (en) | 2016-06-24 | 2016-06-24 | A kind of rebar connector, connection method, jointing and dedicated extruded mould |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514098B (en) * | 2017-09-15 | 2020-04-07 | 江苏和天下节能科技股份有限公司 | Connecting structure of thick and long angle steel bars |
| CN107829527A (en) * | 2017-11-13 | 2018-03-23 | 刘祥锦 | A kind of steel bar connector and connection construction method |
| CN108412520B (en) * | 2018-05-16 | 2024-03-26 | 中国矿业大学 | Tearing-resistant easy-to-connect high-rigidity reinforcing steel bar mesh |
| CN108856597B (en) * | 2018-05-31 | 2023-11-03 | 新疆国统管道股份有限公司 | PCCP steel wire joint and binding method thereof |
| CN110258953A (en) * | 2019-06-27 | 2019-09-20 | 山东大学 | Telescopic steel concrete supporting device |
| CN111779196B (en) * | 2020-07-29 | 2022-07-15 | 山东城邦建设有限公司 | Reinforcing bar cushion divides silk device for building |
| CN111979922A (en) * | 2020-09-02 | 2020-11-24 | 南华大学 | Method for lapping reinforcing steel bars side by side through reamed bolt sleeves |
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| US2983012A (en) * | 1958-12-22 | 1961-05-09 | Robert H Madden | Cable clamp |
| CN1723324A (en) * | 2003-01-08 | 2006-01-18 | 金龙根 | Reinforcing bar coupler |
| CN101506446A (en) * | 2006-08-24 | 2009-08-12 | 冈部株式会社 | Tool for joining reinforcing bars |
| CN204876353U (en) * | 2015-08-07 | 2015-12-16 | 北京建筑大学 | Glass fiber muscle of diameter difference and connection structure of reinforcing bar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990064729A (en) * | 1999-05-04 | 1999-08-05 | 김순수 | A Mechanical Jointing Method of Two Reinforcing Rods and An Apparatus therefor |
| JP2001304210A (en) * | 2000-04-24 | 2001-10-31 | Suteekusu:Kk | Rod body joining-together fitting |
| KR200408571Y1 (en) * | 2005-10-24 | 2006-02-13 | (주)핸스건설 | Overlapping Joint Structure of Steel Reinforcement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2983012A (en) * | 1958-12-22 | 1961-05-09 | Robert H Madden | Cable clamp |
| CN1723324A (en) * | 2003-01-08 | 2006-01-18 | 金龙根 | Reinforcing bar coupler |
| CN101506446A (en) * | 2006-08-24 | 2009-08-12 | 冈部株式会社 | Tool for joining reinforcing bars |
| CN204876353U (en) * | 2015-08-07 | 2015-12-16 | 北京建筑大学 | Glass fiber muscle of diameter difference and connection structure of reinforcing bar |
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| CN106151186A (en) | 2016-11-23 |
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