CN110485641A - Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly - Google Patents
Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly Download PDFInfo
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- CN110485641A CN110485641A CN201810807769.2A CN201810807769A CN110485641A CN 110485641 A CN110485641 A CN 110485641A CN 201810807769 A CN201810807769 A CN 201810807769A CN 110485641 A CN110485641 A CN 110485641A
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- channel
- prefabricated components
- reinforcing bar
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 89
- 238000000034 method Methods 0.000 claims abstract description 36
- 230000008569 process Effects 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims abstract description 11
- 238000007569 slipcasting Methods 0.000 claims description 62
- 238000005452 bending Methods 0.000 claims description 24
- 238000011065 in-situ storage Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 230000015271 coagulation Effects 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 7
- 230000009545 invasion Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 210000004262 dental pulp cavity Anatomy 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 14
- 230000008520 organization Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 27
- 230000000903 blocking effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 239000002002 slurry Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 235000013336 milk Nutrition 0.000 description 5
- 239000008267 milk Substances 0.000 description 5
- 210000004080 milk Anatomy 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000297 inotrophic effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of sleeve and the prefabricated components connectors constructed based on the sleeve, prefabricated components and prefabricated components assembly, belong to assembled architecture field.Sleeve includes basic port and matching port, and basic port is to close up, and described close up forms cold pressing pipe by cold-press process；Matching port is closing in or opening identical with sleeve diameter.It is assembled by the port organization of built-in fitting with the reinforcing bar for being inserted into its port, reinforcing bar and sleeve are fixed together by casting concrete again, construction and end reinforced shape by socket port, increase the contact surface between reinforcing bar and concrete and sleeve and concrete, simultaneously by changing sleeve, the stress plane generated between concrete and reinforcing bar enhances the bonding strength of the connector formed by the sleeve greatly, and the prefabricated components assembled by the sleeve assembling in construction is simple, the assembly between prefabricated board can be rapidly completed, greatly shorten the construction period.
Description
Technical field
The present invention relates to assembled architecture field, in particular to a kind of sleeve, and the prefabricated structure formed based on this sleeve
Part connector, prefabricated components and prefabricated components assembly.
Background technique
Currently, prefabricated concrete structure is built, the connection method of prefabricated components, especially vertical member (prefabricated panel/
Column) Vertical bar connection mode mainly have: 1) built-in fitting be welded to connect, 2) embedded part bolt connection, 3) reinforced bar sleeve be in the milk
Connect three kinds of connection types.
Built-in fitting welded connecting is that junction steel plate is preset at component connecting portion, after prefabricated components installation is just, by component
Between adjacent pre-embedded steel slab be welded to connect integral mode and connect.
Advantage: installation is easy to operate；Disadvantage: change because welding procedure reason makes junction steel plate performance that brittleness occur, cause
Steel plate poor toughness/easy to crack/bonding strength is low, structure connection integrity/air-tightness/shock resistance is poor, anti-corrosion/durability is poor；It is existing
Belonging to filtering technique, market application range is small.
Embedded part bolt connection method is to reserve installation bolt by pre-embedded steel slab prepared screw-bolt hole, and in installation position, in advance
It sets in the bolt hole for the pre-embedded steel slab that reserved bolt is inserted into preset component when component installation and is fastened with nut.Advantage is that connection is strong
Spend, disadvantage higher than weld strength: at high cost, structure connection integrity/air-tightness/shock resistance is poor, anti-corrosion/durability is poor；Market
Application range is small.
Reinforced bar sleeve grouting connection: grout sleeve include both ends open sleeve and the stock inlet that is opened in sleeve lateral wall and
Grout outlet.One section of sleeve is embedded in prefabricated components, and sleeve stock inlet and grout outlet are reserved in the outside of upper component, prefabricated
In the embedded ribs insertion sleeve of component.When installation, in the reinforcing bar insertion sleeve of the prefabricated components protrusion assembled with it；Component installation
After positioning, the seam of two prefabricated components is clogged, then grouting material is injected from slurry-feeding hole, makes reinforcing bar in conjunction with sleeve,
Play connection function.
Advantage: so that reinforcing bar is in sealed environment by grouting after reinforcing bar insertion sleeve and solve anti-corrosion/endurance issues, company
Intensity is connect better than the above two ways welded and bolt.
Disadvantage: in practical application, reinforced bar sleeve grouting interconnection technique has the following problems to need to improve: 1. are become by reinforcing bar
Gap is small etc. that factors influence constructing operation difficulty is big for shape, displacement, installation；2. spillage problem is easy to happen and can not quality inspection；3. behaviour
Make complex process, needs special equipment, tool, material, personnel；4. at high cost, quality is difficult to control；4. influencing grouting material quality
Factor it is more (material, the ratio of mud, stirring, slip casting, spillage, personnel's operation, application time etc.), quality control difficulty it is big；5. by
It is to be bonded reinforcing bar and sleeve by grouting material in reinforced bar sleeve grouting interconnection technique, is realized using frictional force principle and effect
Reinforcing bar connection.So grouting material as connection medium, play the decisive role of quality of connection, it is necessary to be in the milk it is full, without leakage
Slurry, ungauged regions, still, in actual application be especially vertical member connection (be easy spillage and can not quality inspection) it is difficult to ensure that
Quality of connection, quality controllability are poor；The quality of quality of connection directly affects the bonding strength of reinforcing bar, forms invalid connection (reinforcing bar
Core pulling phenomenon), cause building safety hidden danger.
Summary of the invention
Building forms prefabricated components connector, pre- the object of the present invention is to provide a kind of sleeve and based on the sleeve
Component and prefabricated components assembly processed, its advantage is that the bonding strength between reinforcing bar and sleeve can be improved, and is easily installed.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of sleeve, including basic port and matching port, basic port are to close up, the closing in is formed cold by cold-press process
Pressure pipe；Matching port is closing in or opening identical with sleeve diameter.
In the technical scheme, the closing in of basic port and the cold pressing pipe by cold-press process formation will be inserted into basis
Reinforcing bar in port is waled, while sleeve is closed at one end, and matching port is that can cooperate end reinforced enlarged footing when closing up
The stress direction for changing sleeve, increases the tensile strength of sleeve；Matching port is that when being open, can cooperate the card of opening setting
Watt, the concrete in the additional structures auxiliary sleeve such as fixture block bear the load in reinforcing bar axial direction, improve the tensile strength of sleeve.
Preferably, the matching port extends outward to form flare openings.
In the preferred technical solution, reinforcing bar is set preferably to be inserted into matching port by flare openings,
Convenient for assembly.
Preferably, it when matching port is opening identical with sleeve diameter, is provided in matching port side wall along its circumferential direction more
A through-hole installs fixture block in through-hole, and fixture block both ends are located inside and outside sleeve；One end on the outside of sleeve is connected with
Elastic component, elastic component are fixedly mounted on sleeve.
In the preferred technical solution, elastic component can be spring leaf, when the end of reinforcing bar forms enlarged footing, expand
Major part be inserted into sleeve matching port so that contacted with fixture block, enlarged footing squeezes out fixture block to outside sleeve, at this time spring leaf with
Bending generate elastic potential energy；After enlarged footing integrally crosses fixture block, fixture block returns under the recovery shape inotropic action of spring leaf,
It will be enlarged by head to block.
Preferably, it when matching port is opening identical with sleeve diameter, is circumferentially uniformly distributed along matching port inner sidewall
There are multiple elastic slips, elastic slips is inclined on the inner sidewall of matching port；Multiple annular snap shoes at roundlet open
Mouth is close to basic port, and great circle opening is far from basis port.
In the preferred technical solution, the enlarged footing of end reinforced formation is inserted into matching port and gradually opens bullet
Property slips；After enlarged footing integrally crosses elastic slips, elastic slips is back to original state by restoring deformation power, blocks expansion
Head.
Preferably, matching port forms closing-in structure by cold-press process, and is formed and received in the closing-in structure outer end
The identical lumen of mouth internal diameter.
In the preferred technical solution, after end reinforced be inserted into sleeve, port will be matched by cold-press process
Side wall squeezed to center, the side wall being squeezed holds reinforcing bar, plays fixed effect.
Preferably, described close up is conical opening.
In the preferred technical solution, conical opening is identical as end reinforced round table-like enlarged footing taper, makes to expand
The conical surface of head and the conical surface of conical opening are parallel to each other, and the stress relation in simplified or clear sleeve specifies different conic sleeves
Tensile strength instructs the assembled architecture of the different classes of construction to select suitable sleeve as the connection section between prefabricated components
Point.
Preferably, injected hole is offered on the sleeve.
In the preferred technical solution, injected hole is distributed on the entire barrel of sleeve, can be to by any injected hole
Slip casting in sleeve, while remaining injected hole can be used as gas vent, it is all in the filling to sleeve for keeping concrete closely knit
In space, bonding strength of the sleeve as connecting node is further increased.
Preferably, the connecting pipe on any two injected hole is logical using two root canal roads as slip casting channel and exhaust
Road.
In the preferred technical solution, pass through slip casting machine slip casting into sleeve outside the connection of slip casting channel；It arranges simultaneously
Gas channel is in communication with the outside, and prevents from suppressing air formation bubble in sleeve, influences the compactness of sleeve inner concrete.
A kind of prefabricated components connector, including sleeve and reinforcing bar, the matching port of the sleeve and basic port are inserted respectively
Enter reinforcing bar and by concreting in sleeve；The cold pressing pipe that the reinforcing bar entered from basic port interpolation is formed by cold-press process
It wales.
In the technical scheme, by the construction of sleeve basis port and matching port, cooperate concrete jointly to insertion
Reinforcing bar in sleeve is fixed, and forms a kind of higher prefabricated components connector of bonding strength.
Preferably, it is inserted into matching port and end reinforced extends out to form a round table-like enlarged footing, the enlarged footing
It is fixed by the concrete poured to sleeve.
In the preferred technical solution, by between the outer profile and concrete of enlarged footing formed one not with reinforcing bar axis
To vertical principal stress plane, to increase the tensile strength of connector.
Preferably, be inserted into matching port it is end reinforced be bent to form bending structure, the bending structure is by pouring
The concrete built to sleeve is fixed.
In the preferred technical solution, the end reinforced of bending is increased between reinforcing bar and concrete in reinforcing bar main body axis
Upward contact area, to increase the tensile strength of connector.
Preferably, the matching port is when closing up, and the taper of the enlarged footing and the taper of closing in are identical.
In the preferred technical solution, by the matching of enlarged footing taper and closing in taper, by reinforcing bar axis suffered by sleeve
To tensile stress be decomposed into horizontal and vertical two parts, to increase the tensile strength of connector；It will be enlarged by nose cone degree simultaneously
With closing in taper do consistency design can simplify or clear sleeve in stress relation, the tension for specifying different conic sleeves is strong
Degree instructs the assembled architecture of the different classes of construction to select suitable connector.
Preferably, the matching port is opening and open end is equipped with fixture block or elastic card watt-hour, and the enlarged footing is logical
It crosses fixture block or elastic slips is stuck in the matching port of sleeve.
In the preferred technical solution, reinforcing bar enlarged footing is stuck in sleeve by fixture block or elastic slips, and can
To hold the reinforcing bar of bending structure rear end, cooperation concrete increases the bonding strength of connector.
Preferably, the matching port of sleeve forms closing-in structure by cold-press process and the enlarged footing is stuck in matching port
It is interior.
In the preferred technical solution, the side wall for matching port is squeezed to center by cold-press process and is shunk, both may be used
To block enlarged footing, and the reinforcing bar of enlarged footing rear end can be held, increase the tensile strength of connector.
Preferably, the matching port is opening and open end is equipped with fixture block or elastic card watt-hour, the bending structure
It is stuck in the matching port of sleeve by fixture block or elastic slips.
In the preferred technical solution, end reinforced bending structure is stuck in by sleeve by fixture block or elastic slips
It is interior, and the reinforcing bar of bending structure rear end can be held, cooperation concrete increases the bonding strength of connector.
Preferably, the matching port of sleeve forms closing-in structure by cold-press process and the bending structure is stuck in mating end
In mouthful.
In the preferred technical solution, the side wall for matching port is squeezed to center by cold-press process and is shunk, both may be used
To block bending structure, and the reinforcing bar of bending structure rear end can be held, increase the tensile strength of connector.
A kind of prefabricated components, including reinforced mesh and concrete prefabricated body, reinforced mesh pour in it is concrete prefabricated in vivo,
Form the concrete prefabricated body of reinforcing bar one end protrusion that concrete prefabricated body assembled end is corresponded in the reinforcing bar of reinforced mesh, the other end
It is inserted into the basic port of sleeve to live by the cold pressing pipe collar that cold-press process is formed；Pre-buried to the concrete prefabricated body of sleeve
In assembled end.
In the technical scheme, the quick assembled formation of the prefabricated components enable by sleeve shortens the construction period.
Preferably, the passway in the slip casting channel and exhaust passage on sleeve passes through plug.
It, can be to avoid in prefabricated components by plug slip casting channel and exhaust passage in the preferred technical solution
Concrete blocking exhaust passage and slip casting channel during pouring molding.
Preferably, the slip casting channel and the passway of exhaust passage are opened in the alien invasion of concrete prefabricated body.
In the preferred technical solution, exhaust passage and slip casting channel are easy to carry out slip casting to it in alien invasion.
Preferably, grouting channel, barrel bore and grouting channel are opened between the opposite assembled end of concrete prefabricated body
Between pass through reserved channel connection.
In the preferred technical solution, increase the intensity of prefabricated components by being in the milk into grouting channel；It is connected to simultaneously
After grouting channel and sleeve, coagulation can be injected into sleeve by the reserved channel of both connections during grouting or slip casting
Soil paste liquid.
Preferably, channel and exhaust passage or the coaxial arrangement of slip casting channel are reserved and the reserved channel internal diameter with and its together
The exhaust passage of axis or the internal diameter in slip casting channel are identical.
In the preferred technical solution, internal diameter is identical and is coaxially convenient for blocking reserved channel and row simultaneously with stock plug
Gas channel/slip casting channel.
Preferably, the reserved channel is two, and two reserved channels are coaxially set with exhaust passage and slip casting channel respectively
It sets and the internal diameter in two reserved channels, slip casting channel and exhaust passage is all the same.
In the preferred technical solution, internal diameter is identical and is coaxially convenient for blocking the note of coaxial arrangement simultaneously with stock plug
It starches channel-and reserves the reserved channel of channel/exhaust passage-.
Preferably, the plug for blocking exhaust passage and slip casting channel is a diameter and slip casting channel and exhaust passage internal diameter phase
Same rod piece, the rod piece are inserted into from the passway in exhaust passage and slip casting channel, sequentially pass through sleeve and reserved channel, from
It is stretched out in grouting channel.
In the preferred technical solution, channel/row is reserved in the slip casting channel-for blocking coaxial arrangement simultaneously by rod piece
Channel is reserved in gas channel-, avoids blocking reserved channel, slip casting channel and exhaust passage during prefabricated components pouring molding.
A kind of prefabricated components, including reinforced mesh and concrete prefabricated body, reinforced mesh pour in it is concrete prefabricated in vivo,
Concrete prefabricated body is protruded at the reinforcing bar both ends that concrete prefabricated body assembled end is corresponded in the reinforcing bar of composition reinforced mesh, wherein
It is lived in the basic port of one end insertion sleeve by the cold pressing pipe collar that cold-press process is formed.
In the technical scheme, the quick assembled formation of the prefabricated components enable by sleeve shortens the construction period；Together
When, sleeve is left in advance outside concrete prefabricated body can be by the in-situ layer between two blocks of adjacent prefabricated components and prefabricated components
It is cascaded, improves the bonding strength between prefabricated components and in-situ layer.
Preferably, grouting channel is opened between the opposite assembled end of concrete prefabricated body.
In the preferred technical solution, increase the intensity of prefabricated components by being in the milk into grouting channel.
A kind of prefabricated components, including reinforced mesh, sleeve and concrete prefabricated body, reinforced mesh are poured in concrete prefabricated
In vivo, it forms and corresponds to the reinforcing bar both ends of concrete prefabricated body assembled end correspondence in the reinforcing bar of reinforced mesh and be equipped with sleeve,
The sleeve is pre-buried to concrete prefabricated internal；It is formed in the basic port of the reinforcing bar insertion sleeve by cold-press process
Cold pressing pipe collar is lived.
In the technical scheme, the quick assembled formation of the prefabricated components enable by sleeve shortens the construction period；Together
When, when sleeve is left to concrete prefabricated internal in advance, it can allow the in-situ layer for having different in width requirement, according to the width of in-situ layer
Match the reinforcing bar of different length.
Preferably, the passway in the slip casting channel and exhaust passage on sleeve passes through plug.
It, can be to avoid in prefabricated components by plug slip casting channel and exhaust passage in the preferred technical solution
Concrete blocking exhaust passage and slip casting channel during pouring molding.
Preferably, the slip casting channel and the passway of exhaust passage are opened in the alien invasion of concrete prefabricated body.
In the preferred technical solution, exhaust passage and slip casting channel are easy to carry out slip casting to it in alien invasion.
Preferably, grouting channel, barrel bore and grouting channel are opened between the opposite assembled end of concrete prefabricated body
Between pass through reserved channel connection.
In the preferred technical solution, increase the intensity of prefabricated components by being in the milk into grouting channel；It is connected to simultaneously
After grouting channel and sleeve, coagulation can be injected into sleeve by the reserved channel of both connections during grouting or slip casting
Soil paste liquid.
Preferably, channel and exhaust passage or the coaxial arrangement of slip casting channel are reserved and the reserved channel internal diameter with and its together
The exhaust passage of axis or the internal diameter in slip casting channel are identical.
In the preferred technical solution, internal diameter is identical and is coaxially convenient for blocking reserved channel and row simultaneously with stock plug
Gas channel/slip casting channel.
Preferably, the reserved channel is two, and two reserved channels are coaxially set with exhaust passage and slip casting channel respectively
It sets and the internal diameter in two reserved channels, slip casting channel and exhaust passage is all the same.
In the preferred technical solution, internal diameter is identical and is coaxially convenient for blocking the note of coaxial arrangement simultaneously with stock plug
It starches channel-and reserves the reserved channel of channel/exhaust passage-.
Preferably, the plug for blocking exhaust passage and slip casting channel is a diameter and slip casting channel and exhaust passage internal diameter phase
Same rod piece, the rod piece are inserted into from the passway in exhaust passage and slip casting channel, sequentially pass through sleeve and reserved channel, from
It is stretched out in grouting channel.
In the preferred technical solution, channel/row is reserved in the slip casting channel-for blocking coaxial arrangement simultaneously by rod piece
Channel is reserved in gas channel-, avoids blocking reserved channel, slip casting channel and exhaust passage during prefabricated components pouring molding.
A kind of prefabricated components assembly, the assembled end of contiguous prefabricated component are oppositely arranged, in two opposite assembled ends
It is inserted into reinforcing bar in the matching port of two sleeves in same axis, is fixed at the both ends of reinforcing bar respectively by casting concrete
In the matching port of two sleeves；Casting concrete forms in-situ layer in the fit-up gap of two opposite assembled ends, existing
It pours layer and connects two prefabricated components in conjunction with the reinforcing bar being located in the fit-up gap.
In the technical scheme, it forms connecting node by sleeve two prefabricated components link together, both enhancings
Between bonding strength.
The assembled end of a kind of prefabricated components assembly, contiguous prefabricated component abuts, and protrudes at prefabricated components assembled end
The matching port of embedded sleeve barrel, passes through sleeve in the reinforcing bar insertion and its prefabricated components assembled end abutted of concrete prefabricated body
On injected hole and/or reserved channel concrete is injected into sleeve, the reinforcing bar is fixed in sleeve.
In the technical scheme, it forms connecting node by sleeve two prefabricated components link together, both enhancings
Between bonding strength.
A kind of prefabricated components assembly, the assembled end of contiguous prefabricated component are oppositely arranged, and prefabricated components protrude assembly side
The reinforcing bar in face is inserted into the matching port of the sleeve of the prefabricated components protrusion assembled end opposite with its, and reinforcing bar is by pouring coagulation
Soil is fixed in sleeve；Casting concrete forms in-situ layer in the fit-up gap of two opposite assembled ends, and in-situ layer combines
Reinforcing bar in the fit-up gap connects two prefabricated components.
In the technical scheme, it forms connecting node by sleeve two prefabricated components are cascaded with in-situ layer,
Improve the bonding strength between prefabricated components and in-situ layer.
In conclusion the invention has the following advantages:
The present invention is assembled by the port organization of sleeve with the reinforcing bar for being inserted into its port, then passes through casting concrete for reinforcing bar
Be fixed together with sleeve, construction and end reinforced shape by socket port, increase reinforcing bar and concrete with
And the contact surface between sleeve and concrete, while being made by changing the stress plane generated between sleeve, concrete and reinforcing bar
The prefabricated structure that the bonding strength of the connector formed by the set basic point is greatly enhanced, and assembled by the sleeve
Part assembling in construction is simple, and the assembly between prefabricated board can be rapidly completed, greatly shorten the construction period.
It is specific the present invention has the advantage that
, can after concrete slurry solidification to sleeve inner casting concrete slurries after 1. embedded bar is plugged on sleeve inner
Sleeve and embedded bar are fixed together, the bonding strength between embedded bar and sleeve is improved；
2. by end reinforced enlarged footing or bending structure, increase reinforcing bar and concrete along the mating surface of reinforcing bar main body axial direction,
Improve the bonding strength between sleeve and embedded bar；
3. injected hole flows into sleeve inner convenient for cement slurry, the cement slurry for filling sleeve inner is fuller, improves cement slurry
Bonding strength after solidification between sleeve；
4. the conical surface of round table-like enlarged footing can reduce axially loaded and concentrate, improve sleeve by axial active force to radial dispersion
Bonding strength between embedded bar.
Detailed description of the invention
Fig. 1-Fig. 4 is the structural schematic diagram of four kinds of specific embodiments of sleeve of the present invention；
Fig. 5-Fig. 6 is to extend out to form the structures of flare openings and show when the matching port of sleeve of the present invention is respectively opening and closing in
It is intended to；
Fig. 7-Fig. 8 is the structural schematic diagram of two kinds of specific embodiments of the slips of sleeve of the present invention；
Fig. 9-Figure 12 is the structural schematic diagram of four kinds of specific embodiments of reinforcing bar in prefabricated components connector of the present invention；
Figure 13 is the structural schematic diagram of prefabricated components of the present invention；
Figure 14 is structural schematic diagram of the prefabricated components of the present invention when being specially prefabricated board；
Figure 15 is the connection relationship diagram of prefabricated components middle sleeve and grouting channel of the present invention；
Figure 16 is the connection relationship diagram of multiple sleeves and grouting channel in prefabricated components of the present invention；
Figure 17 be Figure 16 in A-A to cross-sectional view；
Figure 18-Figure 23 is a variety of assembly method schematic diagrames of prefabricated components assembly of the present invention.
Appended drawing reference: 1- sleeve, the basis 11- port, 12- matching port, 13- injected hole, 14- flare openings, 15- are cold
Pressure pipe, 2- reinforcing bar, 21- enlarged footing, 22- bending structure, 31- fixture block, 32- slips, 4- prefabricated components, 41- grouting channel, 42-
Slip casting channel, 43- exhaust passage, 44- reserve channel.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
In prefabrication process, cold pressing pipe 15 is formed after 1 one end elder generation shell nosing treatment of sleeve at closing in by cold-press process again,
Make to be cold-pressed the reinforcing bar 2 inside 15 banding of pipe by cold-press process, the concrete slurry injected in mating sleeve 1 increases by 1 axis of sleeve
To tensile strength.The other end is specially to close up or be open to be matched according to the strength grade that the class of construction requires.
Fig. 1-Fig. 4 shows 4 kinds of structural schematic diagrams of sleeve 1, and the basic port 11 of sleeve 1 is above-mentioned cold pressing pipe 15
Form, the other end referring specifically to diagram (be in Fig. 1 matching port 12 be closing in, close up opening for enlarged footing 21 or bending knot
Structure 22 is inserted into；It is opening cooperation slips 32 that port 12 is matched in Fig. 2；It is opening cooperation fixture block 31 that port 12 is matched in Fig. 3；Fig. 4
In be matching port 12 be close up again by cold-press process formed be cold-pressed pipe 15).Matching port 12 is that can cooperate steel when closing up
The enlarged footing 21 of 2 end of muscle changes the stress direction of sleeve 1, increases the tensile strength of sleeve 1；When matching port 12 to be open,
Concrete in the additional structures such as slips 32, fixture block 31 that opening can be cooperated to be arranged auxiliary sleeve 1 is born in 2 axial direction of reinforcing bar
Load, improve sleeve 1 tensile strength.Slips 32 is when being assembled to sleeve 1, first on the internal chamber wall of 1 counterface of sleeve
It circumferentially processes annular groove, annular step surface or groove, slips 32 and annular groove or ring is stuck in by the elastic deformation ability of itself
It is inserted into groove or annular groove and its interference in shape step surface or by the assembly side of multiple discrete type slips 32 and sleeve 1
Cooperation.
Slips 32, the setting quantity of fixture block 31 is not unique, can be arranged according to actual needs along 1 axial multistage of sleeve.Slips
32, the structure type of fixture block 31 is not also unique (specifically, fixture block 31 can be screw, wedge block, rectangular block etc.；Referring to Fig. 7 and
Fig. 8 slips 32 can be the spring leaf of endless belt gap, non-closed annular spring leaf, multiple circumferentially uniformly distributed mandrils etc.
Deng), as long as being cooperated in application with corresponding step on the reinforcing bar 2 in insertion sleeve 1 by way of clamping.It is corresponding
Step on the reinforcing bar 2 can be the bending structure 22 and truncated cone-shaped, rectangle or circular enlarged footing of 2 end of reinforcing bar formation
21, it is also possible to the screw thread on 2 surface of reinforcing bar.The closing in that matching port 12 is formed, which can be, is pre-machined molding, is also possible to
Cold pressing closing in processing is done after insertion reinforcing bar 2 again.
As shown in Figure 5 and Figure 6, sleeve 1 when in use, matching port 12 is extended out to form the more conducively steel of flare openings 14
Muscle 2 is inserted into sleeve 1.
Injected hole 13 on sleeve 1 can both enter in sleeve 1 for concrete slurry, can also be to avoid concrete slurry
Confined space is formed between 1 inner wall of sleeve to build the pressure to form bubble.Guarantee that axial tension of the sleeve 1 as connecting node when is strong
Degree.
It is with assembly of this sleeve 1 between the connector, prefabricated components 4 and prefabricated components 4 of connecting node formation
Based on the good axial tensile-strength of sleeve 1 itself, and then enhance the structural strength of entire assembled architecture.Prefabricated components 4 wrap
The base unit of the assembled architectures such as prefabricated board, precast beam, prefabricated pile is included, sleeve 1 is formed together as connecting node to corresponding
Component in.
Sleeve 1 when prefabricated, first passes through the mode of Screw assembly for the base end of reinforcing bar 2 and sleeve 1 as connecting node
Mouthfuls 11 are assembled together, by the closed at one end of sleeve 1, reinforcing bar 2 be inserted into sleeve 1 one end can with machine-shaping enlarged footing 21 or
Bending structure 22 (can first process enlarged footing 21 or bending structure 22, reinforcing bar 2 is reversely then inserted into set from matching port 12
In cylinder 1；First reinforcing bar 2 can also be inserted into sleeve 1 and reprocess enlarged footing 21 or bending structure 22), the end of reinforcing bar 2 can
Embodiment is referring to Fig. 9-Figure 12.
When forming connector, reinforcing bar 2 (the plastic enlarged footing 21 in end or bending structure are also inserted into matching port 12
22), then pass through the casting concrete into sleeve 1 of injected hole 13.
, can be with prefabricated various forms of components according to practice of construction demand when forming prefabricated components 4, that is, the sleeve 1 arranged in pairs or groups
It is cast in member bodies or sleeve 1 is left in advance outside the mutually matched end face of component, both can all be put into counterface
Outside, can also all be poured into prefabricated ontology, can also two kinds of forms existed simultaneously in same counterface.
As shown in Figure 13, Figure 15-23, when prefabricated components 4 are assembled, the reinforcing bar at two component counterfaces 2 and
Corresponding sleeve 1 matches port 12 and is mutually inserted, and then two prefabricated components 4 are fixed together by casting concrete.In advance
Grouting channel 41 is processed in ontology processed, while slip casting channel 42 between sleeve 1 and component facade and exhaust passage 43 can be made
For the entrance of the slip casting into sleeve 1.When two prefabricated components 4 abut, mutual conduction between grouting channel 41 is inwardly being poured
The connection structure that binding reinforcement 2, sleeve 1 are formed after concrete makes the assembly have enough bending resistances and tensile strength.
Slip casting channel 42, exhaust passage 43, convenient for blocking to channel, are passed through into phase with the coaxial arrangement of reserved channel 44
Can effectively the interior or exterior space of component be linked together by closing channel, be convenient for 1 chamber internal injection of component inner sleeve, while sleeve
It can also complement each other between 1 cavity and grouting channel 41, increase by 4 inner concrete of prefabricated components and fill compactness.
In addition, as shown in figure 14, when prefabricated components 4 are prefabricated board, the counterface of plate not only includes upper and lower two ends
Face further includes two end faces in left and right, corresponds in such cases, corresponding grouting channel 41, reserved channel 44, slip casting channel 42
It is corresponding with exhaust passage 43 that two kinds of situations are also classified on one block of plate.
Grouting channel 41 can be to be a plurality of, and the position of grouting channel 41 is generally considered as multiple reserved logical in setting
The intermediate hub in road 44.By taking prefabricated board as an example, prefabricated framework is that two panels reinforced mesh works out the frame to be formed, in two panels reinforcing bar
When opening grouting channel 41 between mesh sheet, grouting channel 41 is normally at the cornerwise center of rectangle that four sleeves 1 are surrounded, in advance
Channel 44 is stayed diagonally to open up, such a grouting channel 41 can be connected to four sleeves 1 simultaneously.Certainly, channel 44 is reserved
To open mode not unique, as long as guaranteeing that it is connected to grouting channel 41.It is mainly examined using relatively regular design form
Consider be component itself load-carrying ability it is average as far as possible in each region.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (35)
1. a kind of sleeve, which is characterized in that including basic port (11) and matching port (12), basic port (11) is to close up,
Described close up forms cold pressing pipe (15) by cold-press process；Matching port (12) is to close up or identical with sleeve (1) internal diameter open
Mouthful.
2. sleeve according to claim 1, which is characterized in that the matching port (12) extends outward to form horn-like open
Mouth (14).
3. sleeve according to claim 1, which is characterized in that matching port (12) is opens identical with sleeve (1) internal diameter
When mouth, multiple through-holes are provided with along its circumferential direction in matching port (12) side wall, fixture block (31) are installed in through-hole, fixture block (31) both ends point
It Wei Yu not be inside and outside sleeve (1)；One end on the outside of sleeve (1) is connected with elastic component, and elastic component is fixedly mounted on set
On cylinder (1).
4. sleeve according to claim 1, which is characterized in that matching port (12) is opens identical with sleeve (1) internal diameter
When mouth, multiple elastic slips (32) are circumferentially evenly distributed with along matching port (12) inner sidewall, elastic slips (32) is obliquely installed
On the inner sidewall of matching port (12)；The roundlet opening that multiple annular slips (32) are formed is close to basic port (11), great circle
Opening is far from basic port (11).
5. sleeve according to claim 1, which is characterized in that matching port (12) forms the knot that closes up by cold-press process
Structure, and lumen identical with closing in internal diameter is formed in the closing-in structure outer end.
6. sleeve described in any one of -2 or 5 according to claim 1, which is characterized in that described close up is conical opening.
7. sleeve according to claim 1, which is characterized in that offer injected hole (13) on the sleeve (1).
8. sleeve according to claim 7, which is characterized in that the connecting pipe on any two injected hole (13), by two
Root canal road is respectively as slip casting channel (42) and exhaust passage (43).
9. a kind of prefabricated components connector, which is characterized in that including sleeve (1) and reinforcing bar (2), the mating end of the sleeve (1)
Mouth (12) and basic port (11) are inserted into reinforcing bar (2) and by concreting in sleeve respectively；In from basic port (11)
The cold pressing pipe (15) that the reinforcing bar (2) of insertion is formed by cold-press process is waled.
10. prefabricated components connector according to claim 9, which is characterized in that the steel being inserted into matching port (12)
Muscle (2) end extends out to form a round table-like enlarged footing (21), and the enlarged footing (21) is by pouring to the coagulation in sleeve (1)
Soil is fixed.
11. prefabricated components connector according to claim 9, which is characterized in that the steel being inserted into matching port (12)
Muscle (2) end is bent to form bending structure (22), and it is solid that the bending structure (22) passes through the concrete poured in sleeve (1)
It is fixed.
12. prefabricated components connector according to claim 10, which is characterized in that the matching port (12) is to close up
When, the taper of the enlarged footing (21) is identical as the taper of closing in.
13. prefabricated components connector described in 0 or 12 according to claim 1, which is characterized in that the matching port (12) is to open
When mouth and open end are equipped with fixture block (31) or elastic slips (32), the enlarged footing (21) passes through fixture block (31) or elastic slips
(32) it is stuck in the matching port (12) of sleeve (1).
14. prefabricated components connector described in 0 or 12 according to claim 1, which is characterized in that the matching port of sleeve (1)
(12) it forms closing-in structure by cold-press process the enlarged footing (21) is stuck in matching port (12).
15. prefabricated components connector according to claim 11, which is characterized in that the matching port (12) be opening and
When open end is equipped with fixture block (31) or elastic slips (32), the bending structure (22) passes through fixture block (31) or elastic slips
(32) it is stuck in the matching port (12) of sleeve (1).
16. prefabricated components connector according to claim 11, which is characterized in that the matching port (12) of sleeve (1) is logical
It crosses cold-press process formation closing-in structure the bending structure (22) is stuck in matching port (12).
17. a kind of prefabricated components, which is characterized in that including reinforced mesh and concrete prefabricated body, reinforced mesh is poured in coagulation
In native precast body, form corresponded in the reinforcing bar (2) of reinforced mesh concrete prefabricated body assembled end reinforcing bar (2) one end protrusion it is mixed
Solidifying soil precast body, the interior cold pressing pipe (15) formed by cold-press process in the basic port (11) of other end insertion sleeve (1) are waled；
In the assembled end of pre-buried to the concrete prefabricated body of the sleeve (1).
18. prefabricated components according to claim 17, which is characterized in that slip casting channel (42) and exhaust on sleeve (1)
The passway in channel (43) passes through plug.
19. prefabricated components according to claim 18, which is characterized in that the slip casting channel (42) and exhaust passage (43)
Passway be opened in the alien invasion of concrete prefabricated body.
20. prefabricated components according to claim 19, which is characterized in that between the opposite assembled end of concrete prefabricated body
It opens grouting channel (41), is connected between the inner cavity and grouting channel (41) of sleeve (1) by reserved channel (44).
21. prefabricated components according to claim 20, which is characterized in that reserved channel (44) and exhaust passage (43) or note
Starch channel (42) coaxial arrangement and reserved channel (44) internal diameter with and its coaxial exhaust passage (43) or slip casting channel (42)
Internal diameter is identical.
22. prefabricated components according to claim 21, which is characterized in that the reserved channel (44) is two, and two pre-
Stay channel (44) respectively with exhaust passage (43) and slip casting channel (42) coaxial arrangement and two reserved channels (44), slip casting channels
(42) and the internal diameter of exhaust passage (43) is all the same.
23. prefabricated components according to claim 22, which is characterized in that block exhaust passage (43) and slip casting channel (42)
Plug be diameter rod piece identical with slip casting channel (42) and exhaust passage (43) internal diameter, the rod piece is from exhaust passage
(43) it is inserted into the passway of slip casting channel (42), sleeve (1) and reserved channel (44) is sequentially passed through, from grouting channel (41)
Interior stretching.
24. a kind of prefabricated components, which is characterized in that including reinforced mesh and concrete prefabricated body, reinforced mesh is poured in coagulation
In native precast body, forms and correspond to reinforcing bar (2) both ends of concrete prefabricated body assembled end in the reinforcing bar (2) of reinforced mesh and protrude
Concrete prefabricated body, the cold pressing pipe (15) wherein formed in the basic port (11) of one end insertion sleeve (1) by cold-press process
It wales.
25. prefabricated components according to claim 24, which is characterized in that between the opposite assembled end of concrete prefabricated body
Open grouting channel (41).
26. a kind of prefabricated components, which is characterized in that poured including reinforced mesh, sleeve (1) and concrete prefabricated body, reinforced mesh
Build in it is concrete prefabricated in vivo, form the reinforcing bar (2) two that concrete prefabricated body assembled end is corresponded in the reinforcing bar (2) of reinforced mesh
End correspondence is equipped with sleeve (1), and the sleeve (1) is pre-buried to concrete prefabricated internal；The reinforcing bar (2) is inserted into sleeve
(1) it is waled in basic port (11) by the cold pressing pipe (15) that cold-press process is formed.
27. prefabricated components according to claim 26, which is characterized in that slip casting channel (42) and exhaust on sleeve (1)
The passway in channel (43) passes through plug.
28. prefabricated components according to claim 27, which is characterized in that the slip casting channel (42) and exhaust passage (43)
Passway be opened in the alien invasion of concrete prefabricated body.
29. prefabricated components according to claim 28, which is characterized in that between the opposite assembled end of concrete prefabricated body
It opens grouting channel (41), is connected between the inner cavity and grouting channel (41) of sleeve (1) by reserved channel (44).
30. prefabricated components according to claim 29, which is characterized in that reserved channel (44) and exhaust passage (43) or note
Starch channel (42) coaxial arrangement and reserved channel (44) internal diameter with and its coaxial exhaust passage (43) or slip casting channel (42)
Internal diameter is identical.
31. prefabricated components according to claim 30, which is characterized in that the reserved channel (44) is two, and two pre-
Stay channel (44) respectively with exhaust passage (43) and slip casting channel (42) coaxial arrangement and two reserved channels (44), slip casting channels
(42) and the internal diameter of exhaust passage (43) is all the same.
32. prefabricated components according to claim 31, which is characterized in that block exhaust passage (43) and slip casting channel (42)
Plug be diameter rod piece identical with slip casting channel (42) and exhaust passage (43) internal diameter, the rod piece is from exhaust passage
(43) it is inserted into the passway of slip casting channel (42), sleeve (1) and reserved channel (44) is sequentially passed through, from grouting channel (41)
Interior stretching.
33. a kind of prefabricated components assembly, which is characterized in that the assembled end of contiguous prefabricated component (4) is oppositely arranged, at two
Reinforcing bar (2) are inserted into the matching port (12) for two sleeves (1) that opposite assembled end is in same axis, by pouring coagulation
The both ends of reinforcing bar (2) are separately fixed in the matching port (12) of two sleeves (1) by soil；In the dress of two opposite assembled ends
In-situ layer is formed with casting concrete in gap, in-situ layer is prefabricated in conjunction with reinforcing bar (2) connection two being located in the fit-up gap
Component (4).
34. a kind of prefabricated components assembly, which is characterized in that the assembled end of contiguous prefabricated component (4) abuts, prefabricated components
(4) it is protruded at assembled end pre-buried in reinforcing bar (2) insertion and its prefabricated components (4) assembled end abutted of concrete prefabricated body
The matching port (12) of sleeve (1) passes through the injected hole (13) and/or reserved channel (44) note into sleeve (1) on sleeve (1)
Enter concrete, the reinforcing bar (2) is fixed in sleeve (1).
35. a kind of prefabricated components assembly, which is characterized in that the assembled end of contiguous prefabricated component (4) is oppositely arranged, prefabricated structure
The reinforcing bar (2) that part (4) protrudes assembled end is inserted into of the sleeve (1) of prefabricated components (4) the protrusion assembled end opposite with its
With in port (12), reinforcing bar (2) is fixed in sleeve (1) by casting concrete；In the assembly building of two opposite assembled ends
Casting concrete forms in-situ layer in gap, and in-situ layer connects two prefabricated components in conjunction with the reinforcing bar (2) being located in the fit-up gap
(4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807769.2A CN110485641A (en) | 2018-07-21 | 2018-07-21 | Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807769.2A CN110485641A (en) | 2018-07-21 | 2018-07-21 | Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly |
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|---|---|
| CN110485641A true CN110485641A (en) | 2019-11-22 |
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ID=68545497
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810807769.2A Pending CN110485641A (en) | 2018-07-21 | 2018-07-21 | Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly |
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| CN (1) | CN110485641A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605375A (en) * | 2021-09-18 | 2021-11-05 | 中国建筑技术集团有限公司 | Slow-setting connecting device, anti-floating pile and hoisting method of anti-floating pile |
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| CN113605375A (en) * | 2021-09-18 | 2021-11-05 | 中国建筑技术集团有限公司 | Slow-setting connecting device, anti-floating pile and hoisting method of anti-floating pile |
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