CN109881843A - Rotary joint style reinforcing bar connection component and its installation method applied to PC component - Google Patents
Rotary joint style reinforcing bar connection component and its installation method applied to PC component Download PDFInfo
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- CN109881843A CN109881843A CN201910311532.XA CN201910311532A CN109881843A CN 109881843 A CN109881843 A CN 109881843A CN 201910311532 A CN201910311532 A CN 201910311532A CN 109881843 A CN109881843 A CN 109881843A
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- 239000011440 grout Substances 0.000 description 1
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Abstract
Rotary joint style reinforcing bar connection component of the present invention and its installation method applied to PC component belong to assembled architecture engineering reinforcing bar connection area.Connection component of the present invention includes combined type inner layer set core, outer layer sleeve, connecting sleeve and locking part.The inside of the combined type inner layer set core is equipped with and docks the groove that the oblique horizontal thread fin in reinforcing bar outer surface matches；The combined type inner layer set core is the fastener being divided into two radially along steel longitudinal rib；The combined type inner layer set core and outer layer sleeve are made of respective conical section and extended segment, and it is end reinforced in two docking closely to wrap layer by layer, with connecting sleeve both ends be screwed on outer layer sleeve extended segment and turn drawing, shorten both ends outer layer sleeve distance, cause outer layer sleeve and inner layer to cover the extruding of sandwich layer layer taper and bonds two docking steel bar ends, it cannot be bounced back with locking part locking inner layer set core extended segment, to obtain the effective splice of tension and compression.The present invention gives the installation method applied to the connection of assembled PC component.
Description
Technical field
The present invention relates to the spinnings that the rebar connecting technology field of assembled architecture field more particularly to a kind of reinforcing bar connect
Formula component, and the component is applied particularly to the connection method that PC component assembles.
Background technique
Assembled architecture is the inexorable trend of construction industry development, but the technology that prefabricated components reinforcing bar connects in assembled architecture
Problem, it has also become restrict the bottleneck that assembled architecture is widelyd popularize.Reinforced bar sleeve grouting connection, is the reinforcing bar currently generallyd use
Interconnection technique, but grout sleeve is very high to the prefabricated of prefabricated components, lifting required precision.One PC component, there is several desires
The phenomenon that splice of docking, two docking splice off-axis, is very universal, is shaking if allowing and slinging several tons of PC components that weigh
It moves under unstable situation, several sets of holes is all accurately inserted in corresponding steel bar end, operation difficulty is very big, installation effectiveness pole
It is low；In addition, the allotment of grouting material and construction professional skill requirement are high, and quality is not easy to control, and it is hidden to there is safety in the filling stage
Suffer from.For this purpose, many new splice modes are emerged in large numbers, but progress is achieved in some respect, but bring the deficiency of another aspect.
Some docking are convenient, but not applicable assembled installation, the extension characteristics for such as squeezing sleeve can be such that splice one by one generates not
It is opposite between several splices of a PC component to generate non-uniform internal stress with the growth of degree；Some has universal
Docking advantage solves the problems, such as docking reinforcing bar off-axis, but connector tension not resistance to compression, and in engineering structure, it is most of
Structure stress reinforcing bar is the variation with Impact direction and tension and compression replace a reinforcing bar of conversion or even same component in difference
Cross-sectional axis tension and compression stress be it is antipodal, such as frame beam column, therefore use function limitation；Some mechanical connecting joints, steel
Muscle end needs to shell rib thread, not only increases workload, impairs the effective cross-section of reinforcing bar, reduces the original carrying of reinforcing bar
Power；The process that some abandons turning screw thread, using the dowel action of screw thread steel surface transverse direction fin, with the set with matching recess
Piece outward turning casing is fixed, but the fin of the groove of only nest plate and reinforcing bar is there are mechanical engagement dowel action, nest plate it is interior
The extruding force of surface and the outer surface of reinforcing bar is zero, does not bond frictional force, and anchor measure is single, causes anchoring loosely or anchoring
Length overlength etc..In consideration of it, the high opposite new joint style gesture of the few PC component of drawback of the safe and practical, installation effectiveness of research and development is must
Row.
Summary of the invention
The present invention is to solve the above-mentioned problems of the prior art, and the present invention provides a kind of cost lower, it is safer can
It leans on, especially adapts to building site actual conditions, reduce installation difficulty, improve the rotary joint style steel concrete supporting group of installation effectiveness
Part, to solve the shortcomings of the prior art.Meanwhile The present invention gives be applied to this cold connection component of rotary joint style reinforcing bar
The easy-to-use connection method of PC component assembly.
In order to solve the above technical problems, the technical scheme of the present invention is realized as follows: a kind of rotary joint style reinforcing bar connection component, packet
Include combined type inner layer set core, outer layer sleeve, connecting sleeve and locking part.The inside of the combined type inner layer set core is equipped with and docks
The groove that the oblique horizontal thread fin in reinforcing bar outer surface matches；The combined type inner layer set core is to divide to be radially along steel longitudinal rib one
Two fastener；The combined type inner layer set core and outer layer sleeve are made of respective conical section and extended segment, and can be tight layer by layer
It is close wrap in two docking it is end reinforced, wherein combined type inner layer cover core extended segment it is outside by the portlet barrel of conical section
Extend and can lean out at the conical section portlet of outer layer sleeve, and can be locked by locking part；The extended segment of outer layer sleeve is by boring
It is radially outwardly extending inside and outside barrel etc. at the large port of shape section, the silk being screwed on for connecting sleeve is equipped on the inside or outside of extended segment
Line.
Said combination formula inner layer set core and outer layer sleeve can wrap layer by layer in two docking it is end reinforced, it is unquestionable, it is inner
Layer set core is equal with the taper of outer layer sleeve conical section and is in the same direction, and respective androgynous extended segment one is connected to ontology cone
The big end of shape section, one is connected to the small end of ontology conical section, and extending direction is opposite.Two the opposite of extended segment are displaced or lead
Draw, conical section bonds extruding docking steel bar end by mutual extrusion and jointly, not only make the fin for docking steel bar end surface and
The respective slot that inner layer covers core is properer identical, generates engagement, and since inner layer set in-core side surface is to docking reinforcing bar
The extruding of end superficies is to generate frictional force.Reinforcing bar axial tension is bigger, docks end reinforced extruding obtained and holds
Wrap up in that power is bigger, splice is more secured under the double action of mechanical interlocking and frictional force.
Further, the extended segment of combined type inner layer set core is that outer diameter is isometrical and can matching by nut locking part spinning
External threading；The extended segment of the combined type inner layer set core is to originate from portlet, the smooth section of outer diameter diameter contracting gradual change, and outside
Diameter gradual change section start is equipped with the annular slot clamped for spring collar locking part.Arrangement of reinforcement in reinforced concrete structure, in addition to holding
By pulling force, in Structure Calculation, pressure is also an important calculating content.The nut or spring collar of above-mentioned technical proposal lock
The effect of part is to ensure that the splice after connection cannot bounce back, to guarantee that the compression function of reinforcing bar is constant.Meanwhile nut or
Another effect of spring collar locking part is first when being fastened on steel bar end to the combined type inner layer set core being divided into two
Begin to fix, to be convenient to going on smoothly for the next step, improves installation effectiveness.
Further, the taper segment length < outer layer sleeve taper segment length of the combined type inner layer set core.In combined type
The taper segment length < outer layer sleeve taper segment length of layer set core namely the conical section large port diameter < of combined type inner layer set core
Outer layer sleeve conical section large port diameter, inner layer set core extended segment make outer layer sleeve have certain free travel along its axis, when
Two mouth-to-mouth outer layer sleeves of big end retreat to inner layer set core extended segment in relaxed state, or even by the portlet of outer layer sleeve
End, since taper is poor, the large port extended segment of outer layer sleeve can have 360 ° of tilt rotation freedom degrees, when two docking steel bar ends
When off-axis, two outer layer sleeves remain to smoothly dock with connecting sleeve, rotate connecting sleeve, two outer layer sleeves that further away from
From the two docking steel bar ends that can rectify a deviation by force return same axis, and installation is extremely convenient, effective, greatly improve installation effectiveness.
Further, on the outside of the both ends of the connecting sleeve or inside is equipped with and outer layer sleeve extended segment inner or outer side is right
The silking that should be screwed on.Turn connecting sleeve can make the outer layer sleeve of both ends docking while further or separate simultaneously.
Further, connecting sleeve middle section lateral surface parallels to the axis equipped with uniform dimpling rib；The connecting sleeve
When both ends are equipped with outer silk, middle section lateral surface is equipped with the protruding ring rib that height is more than outer layer sleeve thickness, and ring rib outer surface is flat
Row axis is equipped with uniform dimpling rib.Connecting sleeve middle section lateral surface parallels to the axis equipped with uniform dimpling rib, and effect is to revolve
Increase the frictional force for putting forth effort position when dynamic connecting sleeve；Middle section lateral surface height is more than the protruding ring rib of outer layer sleeve thickness, just
Have the outer layer sleeve at turn connecting sleeve both ends close to when, still have apply rotation square impetus.
Further, it is equipped with annular at the conical section portlet of the outer layer sleeve and goes out eaves end plate.Annular goes out eaves end plate
Effect is first is that reinforce the annular intensity of outer layer sleeve portlet, second is that increasing the focusing surface of locking part nut or spring washer.
It further, is smooth on the outside of the conical section of the combined type inner layer set core, on the inside of the conical section of outer layer sleeve
Face.Conical section contact interlayer shiny surface, further at the same time outer layer sleeve when, convenient for inner layer set core and outer layer sleeve interlayer phase
Mutually sliding, and then convenient for locking steel reinforcement abutting joints end.
A kind of rotary joint style reinforcing bar connection component, the method for being applied to assembled PC component are divided into vertical and level two
Kind:
A, the connection of vertical assembled PC member stress reinforcing bar, includes the following steps:
1., lifting PC component, project under construction predeterminated position slowly land, be allowed to several docking reinforcing bars of PC member bottom section
(6) end is generally corresponding to one by one with reinforcing bar to be docked (6) end of reserved lower end upward respective with the guiding of guiding device
Vertical axis；
2., be supported on interim hound the side of PC component, and PC component is made to be in vertical stable state；
3., in each pair of vertical docking steel bar end, be first inserted in 1 end nut respectively, then to be inserted in a large port respectively opposite
Outer layer sleeve, the conical section large port of two pairs of inner layers set core fasteners is opposite, be fastened on respectively it is end reinforced up and down, will in
The portlet that the extended segment of layer set core passes through outer layer sleeve is leant out, and is gently revolved to recognize the fourth of the twelve Earthly Branches or be stuck in Spring Card snare with end nut and be prolonged
It stretches in section.It is described to recognize the fourth of the twelve Earthly Branches, be to recognize hole, the meaning to eye, the nut gently revolves refer to good hole or to good eye after, slightly revolve 2~3
Screw thread is fixed temporarily.
4., the extended segment of connecting sleeve and upper and lower ends outer layer sleeve gently revolved to the access fourth of the twelve Earthly Branches, turn is fastenedly connected set section,
It is allowed to two outer layer sleeve distances up and down to further, the medial surface of casing conical section is adjacent to and the lateral surface of extruded sleeve core conical section；
5., flange eaves side that upper and lower ends end nut is torqued-up to nut hold out against to the end annular endplate of conical section, or will
The wedging into annular slot of latch piece spring collar strip blocks the extended segment of inner layer set core in the end annular endplate of outer layer sleeve
Place prevents it from bouncing back.
B, the connection of horizontal assembled PC member stress reinforcing bar, includes the following steps:
1., in the supported underneath face for being intended to set horizontal PC component, height adjustable bracket is set, bracket, which is equipped with, can make horizontal PC component
The support roll shaft of back-and-forth motion and the front and back end two sides of bracket, which are equipped with, can make PC component move position along the fine tuning of support roll shaft axis direction
Promotion or prizing device；
2., lifting PC component, dropped on the support roll shaft predeterminated position of adjustable bracket slowly, utilize the dress of front and back end two sides
It sets, pushes or agitate PC component and move left and right, be allowed to several docking steel bar ends and project under construction of horizontal PC component ends
The reserved steel bar end that side is leant out on vertical member is corresponded in respective horizontal axis；Gently drive roller shaft makes horizontal PC
Component is moved forward and backward to the position in docking reinforcing bar length in reserve space；
3., in each pair of horizontal docking steel bar end, be first inserted in 1 end nut or spring washer respectively, then be inserted in one respectively
The opposite outer layer sleeve of large port, the conical section large port of two pairs of inner layer set core fasteners is opposite, it is fastened on left and right steel respectively
The portlet that the extended segment of inner layer set core passes through outer layer sleeve is leant out, is gently revolved with end nut and recognize the fourth of the twelve Earthly Branches, or by spring by muscle end
Retainer ring set is stuck on extended segment.It is described to recognize the fourth of the twelve Earthly Branches, it is to recognize hole, the meaning to eye, the nut, which gently revolves, to be referred to good hole or to good eye
Afterwards, 2~3 screw threads are slightly revolved to be fixed temporarily.
4., the extended segment of connecting sleeve and left and right ends outer layer sleeve gently revolved to the access fourth of the twelve Earthly Branches, turn is fastenedly connected casing,
It is allowed to two outer layer sleeve distances of left and right to further, the medial surface of casing conical section is adjacent to and the lateral surface of extruded sleeve core conical section；
5., left and right ends end nut be torqued-up to nut flange eaves side hold out against to the end annular endplate of conical section, or will card
The wedging into annular slot of latch fitting spring collar strip, the extended segment for blocking inner layer set core make in the end annular endplate of outer layer sleeve
It cannot bounce back.
Advantageous effects:
The advantageous effects of rotary joint style reinforcing bar connection component of the present invention have in foregoing invention content to be discussed in detail, and is now concluded such as
Under: pyramidal structure a), of the invention has mechanical interlocking and bonds the dual property of frictional force, makes the safer jail of splice
Gu；B), locking part setting of the invention, solving some splices can only the technical problem that cannot be pressurized of tension；C), this hair
The taper difference of bright cone structure and the length difference of set core sleeve, outer layer sleeve and inner layer can be enable, which to cover core, certain relative travel
And 360 ° of tilt rotation freedom degrees, high to the serious forgiveness of docking reinforcing bar off-axis, installation is extremely convenient, effective, can substantially mention
High installation effectiveness.
Detailed description of the invention
Embodiments of the present invention are further described with reference to the accompanying drawing.
Fig. 1 is the section connection relationship and construction, assembled schematic diagram of each connection component of the invention；
Fig. 2 is the profile construction schematic diagram of inner layer set core 1 of the invention；
Fig. 3 is the profile construction schematic diagram of outer layer sleeve 2 of the invention；
Fig. 4 is the profile construction schematic diagram of connecting sleeve 3 of the invention；
Fig. 5 is the section connection relationship and construction, assembled schematic diagram of the another embodiment of inner layer set core 1 of the present invention.
Description of symbols: 1- inner layer covers core；2- outer layer sleeve；3- connecting sleeve；4- locking part nut；5- locking part bullet
Spring retainer ring；6- docks reinforcing bar；1.1- inner layer covers core conical section；1.2- inner layer covers core extended segment；1.3- inner layer covers core inboard groove；
The annular slot of 1.4- inner layer set core extended segment；1.1.1- at inner layer set core conical section portlet；1.2.1- inner layer set core extends
Section outside silking；1.2.2- shiny surface on the outside of inner layer set core extended segment；2.1- outer layer sleeve conical section；2.2- outer layer sleeve extends
Section；2.1.1- at outer layer sleeve conical section portlet；2.1.2- at outer layer sleeve conical section large port；2.1.3- outer layer sleeve is bored
Annular at shape section portlet goes out eaves end plate；2.2.1- the inside silking (2.2.1) of outer layer sleeve extended segment；3.1- connecting sleeve
Silking on the outside of both ends；The uniform dimpling rib parallel with axis on the outside of 3.2- connecting sleeve middle section；On the outside of 3.3- connecting sleeve middle section
Ring rib.
Specific embodiment
A kind of rotary joint style reinforcing bar connection component of the present invention, as shown in Figure 1, include combined type inner layer set core 1, outer layer sleeve 2,
Connecting sleeve 3 and locking part.As shown in Fig. 2, to be equipped with and dock 6 outer surface of reinforcing bar tiltedly horizontal for the inside of combined type inner layer set 1
The groove 1.3 to match to screw thread fin.As shown in Fig. 2, the combined type inner layer set core 1 is to divide to be radially along steel longitudinal rib one
Two fastener.As shown in Fig. 2, the combined type inner layer set core 1 is made of conical section 1.1 and extended segment 1.2.As shown in figure 3,
Outer layer sleeve 2 is made of conical section 2.1 and extended segment 2.2.As shown in Figure 1, two groups of combined type inner layer set cores 1 are wrapped respectively in two
6 end of reinforcing bar is docked, outer layer sleeve 2 is closely wrapped again in the outside of inner layer set core 1.Unquestionably, the conical section of inner layer set core 1
1.1 is coaxial with the conical section 2.1 of outer layer sleeve 2 and cone generatrices and axis angle are equal and in the same direction.As shown in Figure 1, shown in Figure 5, group
The extended segment 1.2 of box-like inner layer set core 1 is extended outwardly by the portlet 1.1.1 tube wall of conical section 1.1 and can lean out outer layer jacket
2.1.1 at 2.1 portlet of conical section of pipe 2, and can be locked by locking part；The extended segment 2.2 of outer layer sleeve 2 is by conical section
It is radially outwardly extending inside and outside 2.1.2 barrel etc. at 2.1 large port, it is equipped on the inside or outside of extended segment 2.2 and is revolved for connecting sleeve 3
The silking 2.2.1 connect.
As shown in Fig. 2, the extended segment 1.2 of combined type inner layer set core 1 is that outer diameter is isometrical and can be by locking part nut 4
The matching thread 1.2.1 of spinning.
The another embodiment of locking part locking combined type inner layer set core 1 of the invention is as shown in figure 5, the combined type
The extended segment 1.2 that inner layer covers core 1 is the smooth section of the 1.1.1 starting outer diameter diameter contracting gradual change from portlet, and rises in outer diameter gradual change
The annular slot 1.4 clamped for locking part spring collar 5 is equipped at beginning.The section of the spring collar 5 and annular slot 1.4
It is trapezoidal；The spring collar 5 is the non-close annular of opening.Trapezoid cross section, convenient for inner layer set core 1 extended segment 1.2 from
It, can be by locking part spring collar 5 from trapezoidal when 2.1.1 leans out different length section at 2.1 portlet of conical section of outer layer sleeve 2
It is embedded at groove.
As shown in Figure 1,1.1 2 conical section of length < outer layer sleeve of conical section, 2.1 length of the combined type inner layer set core 1.
As shown in figure 4, on the outside of the both ends of the connecting sleeve 3 or inside be equipped with and the inside of outer layer sleeve extended segment 2.2 or
The corresponding silking 3.1 being screwed in outside.The 3 middle section lateral surface of connecting sleeve parallels to the axis equipped with uniform dimpling rib 3.2.It is described
When 3 both ends of connecting sleeve are equipped with outer silk 3.1, middle section lateral surface is equipped with the protruding ring rib that height is more than 2 thickness of outer layer sleeve
3.3, and 3.3 outer surface of ring parallels to the axis equipped with uniform dimpling rib 3.2.
As shown in Figure 1,2.1 inside of conical section in 1.1 outside of conical section of the combined type inner layer set core 1, outer layer sleeve 2
It is shiny surface.
Annular, which is equipped with, as shown in Fig. 1, Fig. 3, Fig. 5, at the 2.1 portlet 2.1.2 of conical section of the outer layer sleeve 2 goes out eaves end
Plate 2.1.3.
Illustrate below with reference to above-mentioned technical proposal of the present invention, describe specific connection method of the invention, is applied to assembled PC
The method of component is divided into vertical and two kinds of level:
A, the connection of vertical assembled PC member stress reinforcing bar, includes the following steps:
1., lifting PC component, project under construction predeterminated position slowly land, be allowed to several docking reinforcing bars 6 of PC member bottom section
End is generally corresponding to one by one with 6 end of reinforcing bar to be docked of reserved lower end upward in respective vertical axis with the guiding of guiding device
Line；
2., be supported on interim hound the side of PC component, and PC component is made to be in vertical stable state；
3., in each pair of vertical 6 end of docking reinforcing bar, the property of can choose first is inserted in 1 end nut 4 respectively, then is inserted in one
The opposite outer layer sleeve 2 of large port, 1.1 large port of conical section of two pairs of inner layer set 1 fasteners of core is opposite, it is fastened on respectively
Lower 6 end of reinforcing bar leans out the portlet 2.1.1 that the extended segment 1.2 of inner layer set core 1 passes through outer layer sleeve 2, with end nut 4
Light taper end taper rotation 2~3 circle screw thread or 5 sets of spring collar are stuck on extended segment 1.2.
4., the extended segment 2.2 of connecting sleeve 3 and upper and lower ends outer layer sleeve 2 gently revolved to access screw thread, turn fastening connects
Female connector pipe 3 is allowed to two outer layer jackets, 2 distance up and down and furthers；2.1 medial surface of casing conical section is adjacent to completely outside set core conical section 1.1
While side, two docking steel bar ends of off-axis playback completely, and further turn is fastenedly connected casing 3, casing cone
The lateral surface of the complete extruded sleeve core conical section 1.1 of the medial surface of shape section 2.1 obtains frictional force.
5., upper and lower ends end nut 4 be torqued-up to nut flange eaves side hold out against to the end annular endplate of outer layer sleeve 2
2.1.3, or by the wedging into annular slot 1.4 of 5 strip of spring collar, the extended segment 1.2 of inner layer set core 1 is blocked in outer layer sleeve 2
End annular endplate 2.1.3 at cannot bounce back.
B, the connection of horizontal assembled PC member stress reinforcing bar, includes the following steps:
1., in the supported underneath face for being intended to set horizontal PC component, height adjustable bracket is set, bracket, which is equipped with, can make horizontal PC component
The support roll shaft of back-and-forth motion and the front and back end two sides of bracket, which are equipped with, can make PC component move position along the fine tuning of support roll shaft axis direction
Promotion or prizing device；
2., lifting PC component, dropped on the support roll shaft predeterminated position of adjustable bracket slowly, utilize the dress of front and back end two sides
It sets, pushes or agitate PC component and move left and right, be allowed to several docking steel bar ends and project under construction of horizontal PC component ends
The reserved steel bar end that side is leant out on vertical member is corresponded in respective horizontal axis；Gently drive roller shaft makes horizontal PC
Component is moved forward and backward to the position in docking reinforcing bar length in reserve space；
3., in each pair of horizontal docking 6 end of reinforcing bar, the property of can choose first is inserted in 1 end nut 4 respectively, then is inserted in one
The opposite outer layer sleeve 2 of large port, 1.1 large port of conical section of two pairs of inner layer set 1 fasteners of core is opposite, it is fastened on a left side respectively
Right 6 end of reinforcing bar leans out the portlet 2.1.1 that the extended segment 1.2 of inner layer set core 1 passes through outer layer sleeve 2, with end nut 4
Light taper end taper rotation 2~3 circle screw thread or 5 sets of spring collar are stuck on extended segment 1.2.
4., the extended segment 2.2 of connecting sleeve 3 and left and right ends outer layer sleeve 2 gently screwed in into the fourth of the twelve Earthly Branches, turn is fastenedly connected casing
3, it is allowed to left and right two outer layer sleeves, 2 distance and furthers；2.1 medial surface of casing conical section is adjacent to set 1.1 lateral surface of core conical section completely
While, two docking steel bar ends of off-axis playback completely, and further turn is fastenedly connected casing 3, casing conical section
The lateral surface of the complete extruded sleeve core conical section 1.1 of 2.1 medial surface obtains frictional force.
5., left and right ends end nut 4 be torqued-up to flange eaves side hold out against to the end annular endplate 1.1.3 of conical section 2
Or by the wedging into annular slot 1.4 of 5 strip of latch piece spring collar, the extended segment 1.2 of inner layer set core 1 is blocked in outer layer sleeve 2
End annular endplate 2.1.3 cannot bounce back.
Above-described embodiment is intended merely to illustrate the present invention, and is not used as limitation of the invention, as long as of the invention
In spirit, the protection scope of the claims in the present invention will be all fallen in variation, modification, substitution of above-described embodiment etc.
Within, such as: the deformation locking mode of locking part；The front and back adjustment etc. of some sequence of steps when specific installation.
Claims (10)
1. a kind of rotary joint style reinforcing bar connection component, including combined type inner layer set core (1), outer layer sleeve (2), connecting sleeve (3) and
Locking part, which is characterized in that the inside of combined type inner layer set core (1) is equipped with and docks reinforcing bar (6) outer surface tiltedly lateral spiral shell
The groove (1.3) that line fin matches；Combined type inner layer set core (1) is the fastening being divided into two radially along steel longitudinal rib
Part；Combined type inner layer set core (1) and outer layer sleeve (2) are by respective conical section (1.1；And extended segment (1.2 2.1)；2.2)
It constitutes, and can closely wrap layer by layer and dock reinforcing bar (6) end in two, wherein combined type inner layer covers the extended segment (1.2) of core (1)
Extended outwardly by portlet (1.1.1) tube wall of conical section (1.1) and the conical section (2.1) that can lean out outer layer sleeve (2) is small
At port (2.1.1), and it can be locked by locking part；The extended segment (2.2) of outer layer sleeve (2) by conical section (2.1) big end
It is radially outwardly extending inside and outside (2.1.2) barrel etc. at mouthful, it is equipped on the inside or outside of extended segment (2.2) and is screwed on for connecting sleeve (3)
Silking (2.2.1).
2. a kind of rotary joint style reinforcing bar connection component according to claim 1, which is characterized in that the combined type inner layer covers core
(1) extended segment (1.2) is that outer diameter is isometrical and can be by the matching thread (1.2.1) of locking part nut (4) spinning.
3. a kind of rotary joint style reinforcing bar connection component according to claim 1, which is characterized in that the combined type inner layer covers core
(1) extended segment (1.2) is that (1.1) originate from portlet, the smooth section of outer diameter diameter contracting gradual change, and in outer diameter gradual change section start
Equipped with the annular slot (1.4) clamped for locking part spring collar (5).
4. a kind of rotary joint style reinforcing bar connection component according to claim 1, which is characterized in that the combined type inner layer covers core
(1) conical section (1.1) length < outer layer sleeve (2) conical section (2.1) length.
5. a kind of rotary joint style reinforcing bar connection component according to claim 1, which is characterized in that the connecting sleeve (3)
On the outside of both ends or inside is equipped with and the silking (3.1) being screwed on corresponding on the inside or outside of outer layer sleeve extended segment (2.2).
6. a kind of rotary joint style reinforcing bar connection component according to claim 1, which is characterized in that in the connecting sleeve (3)
Section lateral surface parallels to the axis equipped with uniform dimpling rib (3.2).
7. a kind of rotary joint style reinforcing bar connection component according to claim 6, which is characterized in that the connecting sleeve (3) two
When end is equipped with outer silk (3.1), middle section lateral surface is equipped with the protruding ring rib (3.3) that height is more than outer layer sleeve (2) thickness, and ring
Rib (3.3) outer surface parallels to the axis equipped with uniform dimpling rib (3.2).
8. a kind of rotary joint style reinforcing bar connection component according to claim 1, which is characterized in that the outer layer sleeve (2)
It is equipped with annular at conical section (2.1) portlet (2.1.2) and goes out eaves end plate (2.1.3).
9. a kind of rotary joint style reinforcing bar connection component according to claim 1, which is characterized in that the combined type inner layer covers core
It (1) is shiny surface on the inside of the conical section (2.1) in conical section (1.1) outside, outer layer sleeve (2).
10. described in any item a kind of rotary joint style reinforcing bar connection components according to claim 1~9 make in the factory of PC component
In the stage, the setting length of reinforcing bar is to be reserved with certain company between the building-site installation of PC component rear two docking steel bar ends in place
Under the premise of connected components are set with space, be applied to assembled PC component method be divided into it is vertical and two kinds of level:
A, the connection of vertical assembled PC member stress reinforcing bar, includes the following steps:
1., lifting PC component, project under construction predeterminated position slowly land, be allowed to several docking reinforcing bars of PC member bottom section
(6) end is generally corresponding to one by one with reinforcing bar to be docked (6) end of reserved lower end upward respective with the guiding of guiding device
Vertical axis；
2., be supported on interim hound the side of PC component, and PC component is made to be in vertical stable state；
3., in each pair of vertical docking reinforcing bar (6) end, be inserted in 1 end nut (4) or spring washer (5) respectively, then cover respectively
Enter the opposite outer layer sleeve of large port (2), conical section (1.1) large port of two pairs of inner layer set core (1) fasteners is opposite,
It is fastened on reinforcing bar (6) end up and down respectively, the extended segment (1.2) of inner layer set core (1) is passed through to the portlet of outer layer sleeve (2)
(2.1.1) is leant out, and with end nut (4), gently rotation recognizes the fourth of the twelve Earthly Branches or spring collar (5) set is stuck on extended segment (1.2)；
4., the extended segment (2.2) of connecting sleeve (3) and upper and lower ends outer layer sleeve (2) gently revolved to the access fourth of the twelve Earthly Branches, turn fastening connects
Female connector section (3) is allowed to two outer layer sleeves (2) distance up and down and furthers, and the medial surface of casing conical section (2.1) is adjacent to and extruded sleeve core
The lateral surface of conical section (1.1)；
5., upper and lower ends end nut (4) be torqued-up to nut flange eaves side hold out against to the end annular endplate of conical section (2)
(1.1.3), or by the wedging into annular slot (1.4) of latch piece spring collar (5) strip, block the extended segment of inner layer set core (1)
(1.2) it cannot bounce back at the end annular endplate (2.1.3) of outer layer sleeve (2)；
B, the connection of horizontal assembled PC member stress reinforcing bar, includes the following steps:
1., in the supported underneath face for being intended to set horizontal PC component, height adjustable bracket is set, bracket, which is equipped with, can make horizontal PC component
The support roll shaft of back-and-forth motion and the front and back end two sides of bracket, which are equipped with, can make PC component move position along the fine tuning of support roll shaft axis direction
Promotion or prizing device；
2., lifting PC component, dropped on the support roll shaft predeterminated position of adjustable bracket slowly, utilize the dress of front and back end two sides
It sets, pushes or agitate PC component and move left and right, be allowed to several docking steel bar ends and project under construction of horizontal PC component ends
The reserved steel bar end that side is leant out on vertical member is corresponded in respective horizontal axis；Gently drive roller shaft makes horizontal PC
Component is moved forward and backward to the position in docking reinforcing bar length in reserve space；
3., in each pair of horizontal docking reinforcing bar (6) end, be first inserted in 1 end nut (4) or spring washer (5) respectively, then distinguish
It is inserted in the opposite outer layer sleeve of large port (2), by conical section (1.1) large port phase of two pairs of inner layer set core (1) fasteners
It is right, it is fastened on left and right reinforcing bar (6) end respectively, the extended segment (1.2) of inner layer set core (1) is passed through to the small end of outer layer sleeve (2)
Mouth (2.1.1) is leant out, and with end nut (4), gently rotation recognizes the fourth of the twelve Earthly Branches or spring collar (5) set being stuck on extended segment (1.2)；
4., the extended segment (2.2) of connecting sleeve (3) and left and right ends outer layer sleeve (2) gently screwed in into the fourth of the twelve Earthly Branches, turn is fastenedly connected set
It manages (3), is allowed to left and right two outer layer sleeves (2) distance and furthers, the medial surface of casing conical section (2.1) is adjacent to and extruded sleeve core taper
The lateral surface of section (1.1)；
5., left and right ends end nut (4) be torqued-up to flange eaves side hold out against to the end annular endplate of conical section (2)
(1.1.3), or by the wedging into annular slot (1.4) of latch piece spring collar (5) strip, block the extended segment of inner layer set core (1)
(1.2) it cannot bounce back at the end annular endplate (2.1.3) of outer layer sleeve (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910311532.XA CN109881843A (en) | 2019-04-18 | 2019-04-18 | Rotary joint style reinforcing bar connection component and its installation method applied to PC component |
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| CN201910311532.XA CN109881843A (en) | 2019-04-18 | 2019-04-18 | Rotary joint style reinforcing bar connection component and its installation method applied to PC component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111335550A (en) * | 2020-04-21 | 2020-06-26 | 中信国安建工集团有限公司 | High-strength steel bar connecting structure capable of being rotatably connected and operation method |
| CN111827679A (en) * | 2020-07-20 | 2020-10-27 | 中建二局第一建筑工程有限公司 | High-order thick liquid device of arranging of assembled concrete wall sleeve grout construction |
| CN114412072A (en) * | 2022-01-18 | 2022-04-29 | 北京工业大学 | Vertical buckle formula steel bar connection of underground continuous wall connects |
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Application publication date: 20190614 |