CN110080466A - Grouting sleeve and preparation method and application thereof - Google Patents
Grouting sleeve and preparation method and application thereof Download PDFInfo
- Publication number
- CN110080466A CN110080466A CN201810081510.4A CN201810081510A CN110080466A CN 110080466 A CN110080466 A CN 110080466A CN 201810081510 A CN201810081510 A CN 201810081510A CN 110080466 A CN110080466 A CN 110080466A
- Authority
- CN
- China
- Prior art keywords
- grout sleeve
- reinforcing bar
- grout
- grouting
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000011440 grout Substances 0.000 claims abstract description 141
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000005242 forging Methods 0.000 claims abstract description 17
- 238000010273 cold forging Methods 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 78
- 239000004567 concrete Substances 0.000 claims description 38
- 239000002002 slurry Substances 0.000 claims description 26
- 239000008267 milk Substances 0.000 claims description 7
- 210000004080 milk Anatomy 0.000 claims description 7
- 235000013336 milk Nutrition 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 238000004873 anchoring Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention relates to a grouting sleeve and a preparation method and application thereof. The grouting sleeve comprises a first end portion, a second end portion, a grouting hole, a grout outlet and a plurality of convex ribs, wherein the first end portion is a positioning portion or a threaded connection portion, the second end portion is a binding opening portion, the convex ribs are located inside the grouting sleeve, and the convex ribs are linear. The arrangement of the convex ribs can effectively prevent the steel bars or grouting materials from being pulled out of the grouting sleeve after the grouting joint of the steel bar sleeve is formed, and the grouting sleeve of the grouting joint of the steel bar sleeve is ensured to have the connection performance; meanwhile, the hot forging or cold forging method improves the compactness of the end part of the grouting sleeve and improves the anchoring effect.
Description
Technical field
The present invention relates to a kind of structures connected applied to precast concrete reinforcing bar in prefabrication, specifically
It is related to a kind of grout sleeve and its preparation method and application, belongs to construction engineering technical field.
Background technique
Building industrialization is the main direction of development of China's future architecture industry, the hair of prefabricated assembled concrete structural construction
Exhibition space is very wide, and the connectivity problem of reinforcing bar is one of its key technology in prefabricated components, in the premise for guaranteeing switching performance
Under, more reasonable joint form is developed, is had great importance to the popularization of building industrialization.
In prefabricated assembled concrete structural construction field, the mode for generalling use grouting connector connects precast concrete
The reinforcing bar of component, the connector that is in the milk is by grout sleeve, both ends reinforcing bar to be connected and ungauged regions high-strength cement mortar (grouting material) group
At principle is: contraction-free grouting concrete being poured into grout sleeve, fills the gap between full grout sleeve and reinforcing bar, ungauged regions
It combines closely after grouting material hardening with reinforcing bar to be connect and grout sleeve, anchor connection is formed, so that two reinforcing bars be made to be connected to
Together.
The performance that grout sleeve and reinforcing bar form anchor connection between contraction-free grouting concrete respectively depends on grout sleeve
The geomery (base circle diameter (BCD), cross rib size etc.) and ungauged regions of cavity shape size (ring-like ribs or groove etc.), reinforcing bar
The intensity of grouting material.Wherein, contraction-free grouting concrete requires 28 days compression strength to reach 85MPa or more, and to have early strong, Gao Liu
The dynamic multiple performances such as property and microdilatancy.
Summary of the invention
It is a primary object of the present invention to provide a kind of grout sleeve and its preparation method and application, skill to be solved
Art problem has been to provide a kind of shape of grout sleeve inside fin, improves contraction-free grouting concrete and grout sleeve and two
The anchoring of reinforcing bar to be connected, meanwhile, the present invention provides a kind of preparation methods at grout sleeve both ends, improve production effect
Rate reduces production cost, meanwhile, the anchoring effect of reinforcing bar is further improved, reinforcing bar is prevented to be detached from from grouting material.
The object of the invention to solve the technical problems adopts the following technical solutions to realize.
A kind of grout sleeve proposed according to the present invention, including, first end, the second end, grout hole, slurry outlet and more
A fin, wherein the first end is positioning region or threaded joints, and the second end is beam oral area, fin position
Inside grout sleeve, and the fin is linear.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, a kind of grout sleeve above-mentioned, wherein the fin is linear type.
Preferably, a kind of grout sleeve above-mentioned, wherein two adjacent fins form splayed or herringbone.
Preferably, a kind of grout sleeve above-mentioned, defining direction from grout hole to slurry outlet is first direction, definition the
One end to slurry outlet is the first part of grout sleeve, and two adjacent fins of first part inside are in down in a first direction
Splayed；Alternatively, second part of the slurry outlet to grout hole for grout sleeve is defined, two adjacent fins inside second part
It is in a first direction in splayed；Alternatively, Part III of the grout hole to the second end for grout sleeve is defined, in Part III
Two adjacent fins of portion are in herringbone in a first direction.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.
A kind of preparation method of reinforcing bar connection proposed according to the present invention, including, obtain grout sleeve precast body；Using heat
Forging or cold forging method make one end of grout sleeve precast body become the first plastic unit, make the other end of grout sleeve precast body
As the second plastic unit；The first plastic unit is fixed to by positioning region or threaded joints using the first mold, is adopted
The second plastic unit is fixed to beam oral area with the second mold, obtains the grout sleeve.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the preparation method of a kind of grout sleeve above-mentioned squeezes grouting wherein the preparation method further includes
The outer wall of sleeve precast body obtains fin, and the fin is located inside grout sleeve, and, the fin is linear.
Preferably, the preparation method of a kind of grout sleeve above-mentioned, wherein the fin is linear type, splayed or falls
Splayed.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.
A kind of reinforcing bar proposed according to the present invention is in the milk connector, including, grout sleeve, the first reinforcing bar to be connected, second to
Connect reinforcing bar and contraction-free grouting concrete, the contraction-free grouting concrete is used to fill the grout sleeve and the first steel to be connect
The gap that muscle and the second reinforcing bar to be connected are formed, the grout sleeve are described in aforementioned any one.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.
A kind of connection method of reinforcing bar grouting connector proposed according to the present invention connects according to a kind of reinforcing bar grouting above-mentioned
Head, connection method include being inserted into first reinforcing bar to be connected from the first end of grout sleeve, adjusting to first and preset
It is fixed behind position, by the clearance seal of first reinforcing bar and first end to be connected；By the beam mouth of the grout sleeve
Portion is fixed in template, and by the clearance seal of grout sleeve and template, the first connecting tube is respectively adopted and the second connecting tube will
Grout hole and slurry outlet are drawn to outside the structural plane of prefabricated components；Casting concrete vibrates, conserves to demoulding, obtains prefabricated structure
Part；The prefabricated components are drawn to the second predeterminated position, by second reinforcing bar to be connected from the beam mouth of grout sleeve
Portion's insertion, it is fixed after adjusting to third predeterminated position, by the clearance seal of the prefabricated components and lower end prefabricated components；It will be without receipts
Contracting grouting material is poured by the first connecting tube, until contraction-free grouting concrete is overflowed from the second connecting tube, seals grout hole and slurry outlet；
After the contraction-free grouting concrete hardening, the reinforcing bar grouting connector is obtained.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the connection method of a kind of reinforcing bar grouting connector above-mentioned, wherein first reinforcing bar to be connected to
Connecting portion has screw thread, and the first end of the grout sleeve is threaded joints.
By above-mentioned technical proposal, a kind of grout sleeve provided by the invention and its preparation method and application at least has
Following advantages:
1, the inner wall of grout sleeve provided by the invention has linear fin, improves contraction-free grouting concrete and two to even
Connect the anchoring effect of reinforcing bar.
Inventor has found that the reinforcing bar after connection is easy the grout sleeve completed from anchoring in long-term practice operation
Inside fall off.By test of many times, it is found that the fin shape of the inner wall of grout sleeve is one of the reason of causing reinforcing bar to fall off.
The shape of existing fin is circular ring shape, and the fin of circular ring shape affects the uniform of the filling of contraction-free grouting concrete
Property, and then the uniformity of grout sleeve stress is affected, causes falling off for reinforcing bar after connection.It is provided by the invention linear convex
Rib promotes filling of the contraction-free grouting concrete in grout sleeve, so that the distribution of the contraction-free grouting concrete in grout sleeve is more
Add uniformly, further improves the anchoring effect of grout sleeve with reinforcing bar to be connect, it is therefore prevented that reinforcing bar falls off.It can effectively prevent
Reinforced bar sleeve is in the milk after connector molding, and reinforcing bar or grouting material are extracted from the grout sleeve, ensure that reinforced bar sleeve grouting connects
The switching performance of head.
2, the present invention provides a kind of preparation methods of grout sleeve, improve the production efficiency of grout sleeve, reduce
Production cost.
The present invention carries out the preparation of grout sleeve first end and the second end, tool using the preparation method of hot forging or cold forging
Body, the both ends of precast body are first prepared into plastic unit using the method for hot forging or cold forging, then use specific mold, it can
Modeling unit is fixed to the shape needed, obtain having positioning region, threaded joints, beam oral area grout sleeve.The present invention provides
Preparation method, preparation process is simple, easy to operate, improve preparation efficiency, meanwhile, reduce production cost.
3, grout sleeve provided by the invention further improves the anchoring effect of reinforcing bar.
The preparation method of hot forging or cold forging that the present invention uses changes grout sleeve precast body in calcination process
Internal crystalline structure improves first end and so that the arrangement of each crystal is even closer at first end and the second end
The stress degree of two ends, and, first end and the second end are unlikely to deform, and further improve reinforcing bar to be connected and grouting covers
Anchoring effect between cylinder, it is therefore prevented that reinforcing bar falls off.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the schematic diagram of grout sleeve provided in an embodiment of the present invention.
Fig. 2 is another schematic diagram of grout sleeve provided in an embodiment of the present invention.
Fig. 3 is the schematic diagram of the fin of grout sleeve provided in an embodiment of the present invention.
Fig. 4 is another schematic diagram of the fin of grout sleeve provided in an embodiment of the present invention.
Fig. 5 is another schematic diagram of the fin of grout sleeve provided in an embodiment of the present invention.
Fig. 6 is another schematic diagram of the fin of grout sleeve provided in an embodiment of the present invention.
11 reinforcing bars to be connected, 12 reinforcing bars to be connected, 13 reinforcing bars to be connected, 14 reinforcing bars to be connected, 2 grout holes, 3 ungauged regions fill
Slurry, 4 grout sleeves, 5 fins, 51 linear fins, 52 herringbone fins, 53 splayed fins, 54 herringbone fins,
501-505 fin, 511-518 fin, 6 slurry outlets, 7 positioning regions, 8 threaded joints, 9 beam oral areas.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to a kind of grout sleeve proposed according to the present invention and its preparation method and application, specific implementation
Mode, structure, feature and its effect, detailed description is as follows.In the following description, different " embodiment " or " embodiment " refers to
Be not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable shapes
Formula combination.
The present invention provides a kind of grout sleeves.
Grout sleeve provided by the invention includes first end, the second end, grout hole, slurry outlet and multiple fins,
In, the first end is positioning region or threaded joints, and the second end is beam oral area, and fin is located at grout sleeve
Inside, and the fin is linear.
The present invention provides a kind of grout sleeves of fin with linear.It should be noted that of the present invention
" linear " can be linear, be also possible to the camber line with certain radian, preferably linear.It needs to further illustrate
It is that grout sleeve is generally pylindrical, therefore, inner wall usually has certain radian, and fin provided by the invention can be
The linear fin that both ends are low, centre is high, is also possible to along inner wall, the arc line shaped fin with certain radian.Herein, to line
Excessive limitation is not made in the direction of shape.In single grout sleeve, can have multiple and different shapes, different size of fin simultaneously.
Preferably, the length of the fin is 1mm-100mm.
Further, the fin of grout sleeve provided by the invention is linear type.As shown in 51 in Fig. 3.
It should be noted that " linear type " herein can be proper linear, be also possible to along inner wall,
" linear type " with certain radian.Herein, the direction of " linear type " fin is not made too many restrictions.
Linear type fin provided by the invention can also be as shown in Figure 4 and Figure 5.Two on the same cross section of casing are convex
Rib is located at the two sides of the cross section, such as 501 and 502,504 and 505 in Fig. 4；511 in Fig. 5 and 512,514 and 515,517
With 518.Fin on two neighboring cross section is axially staggered along casing.Such as 501 and 503,502 and 503 in Fig. 4,504
With 503,505 and 503；511 in Fig. 5 and 513,512 and 513,514 and 516,515 and 516,517 and 516,518 and 516.
Further, in grout sleeve provided by the invention, adjacent two fin forms splayed or herringbone.Such as Fig. 6
It is shown, it is preferred that direction of the definition from grout hole to slurry outlet is first direction, and defining first end to slurry outlet is grouting set
The first part of cylinder, two adjacent fins 54 of first part inside are in herringbone in a first direction；Alternatively, defining pulp
Hole to grout hole is the second part of grout sleeve, and two adjacent fins 53 of second part inside are in eight words in a first direction
Shape；Alternatively, Part III of the grout hole to the second end for grout sleeve is defined, two adjacent fins 52 inside Part III
It is in a first direction in herringbone.
The fin of herringbone in above-mentioned Part III promotes contraction-free grouting concrete in the flowing of Part III, simultaneously
Prevent the flowing for having poured into the contraction-free grouting concrete of Part III in Part III；Splay fin in second part,
Contraction-free grouting concrete is promoted in the flowing of second part, accelerates grouting material in the filling speed of second part, meanwhile, it prevents
The flowing of the grouting material of second part is poured into；The fin herringbone fin of first part is more conducive to preventing the portion
Divide the flowing of grouting material.The fin that splayed provided by the invention is combined with herringbone, slurry is covering when promoting grouting
Flowing velocity in pipe improves filling speed, simultaneously, it is therefore prevented that has been in the milk and has completed the flowing of slurry in part, has improved
The stability of slurry further improves the uniformity that contraction-free grouting concrete is distributed in casing, improves anchoring effect.
Invention also provides a kind of preparation methods of grout sleeve.
The preparation method of grout sleeve provided by the invention includes obtaining grout sleeve precast body；Using hot forging or cold forging
Method makes one end of grout sleeve precast body become the first plastic unit, and the other end of grout sleeve precast body is made to become second
Plastic unit；The first plastic unit is fixed to by positioning region or threaded joints using the first mold, using the second mould
The second plastic unit is fixed to beam oral area by tool, obtains the grout sleeve.
Preferably, when first end is positioning region, hot forging temperature is 800-1600 DEG C, and the hot forging time is 1-10s, plastotype
Time is 1-10s, and cold forging temperature is -60-60 DEG C, and the cold forging time is 1-10s, and the plastotype time is 1-10s；When first end is spiral shell
When line interconnecting piece, hot forging temperature be 800-1600 DEG C, the hot forging time be 1-10s, the plastotype time be 1-10s, cold forging temperature for-
60-60 DEG C, the cold forging time is 1-10s, and the plastotype time is 1-10s；The hot forging temperature of the second end is 800-1600 DEG C, when hot forging
Between be 1-10s, the plastotype time be 1-10s, cold forging temperature be -60-60 DEG C, the cold forging time be 1-10s, the plastotype time be 1-10s.
It should be noted that grout sleeve precast body of the present invention can for only do not make both ends processing it is prefabricated
Body, alternatively, the precast body for not making both ends processing, not making fin.
Invention further provides a kind of reinforcing bar grouting connectors and attaching method thereof.
A kind of reinforcing bar grouting connector provided by the invention, as shown in Figure 1, including grout sleeve 4, the first reinforcing bar to be connected
11, the second reinforcing bar 12 and contraction-free grouting concrete 3 to be connected, the contraction-free grouting concrete be used to fill the grout sleeve with
The gap that first reinforcing bar to be connected and the second reinforcing bar to be connected are formed.
First reinforcing bar 11 to be connected is inserted into from the first end 7 (positioning region) of grout sleeve 4, positioning region 7 is
It is formed by hot forging or cold-forging technique undergauge, it is fixed after adjusting to the first predeterminated position, by first reinforcing bar to be connected
11 with the clearance seal of first end 7；The beam oral area 9 of the grout sleeve 4 is fixed in template, beam oral area 9 is to pass through
What hot forging or cold-forging technique undergauge were formed, and by the clearance seal of grout sleeve 4 and template, the first connecting tube and the is respectively adopted
Two connecting tubes draw grout hole 2 and slurry outlet 6 to outside the structural plane of prefabricated components；Casting concrete vibrates, conserves to tearing open
Mould obtains prefabricated components；The prefabricated components are drawn to the second predeterminated position, by second reinforcing bar 12 to be connected from
The beam oral area 9 of grout sleeve 4 is inserted into, fixed after adjusting to third predeterminated position, by the prefabricated components and lower end prefabricated components
Clearance seal；Contraction-free grouting concrete 3 is poured by the first connecting tube, until contraction-free grouting concrete is overflowed from the second connecting tube,
Seal grout hole and slurry outlet；After the contraction-free grouting concrete hardening, the reinforcing bar grouting connector is obtained.Preferably, originally
Reinforcing bar to be connected in embodiment can be the not threaded reinforcing bar in end.
Invention further provides a kind of reinforcing bar grouting connectors and attaching method thereof.
A kind of reinforcing bar provided by the invention is in the milk connector, as shown in Fig. 2, include grout sleeve 4, reinforcing bar to be connected 13, to
Reinforcing bar 14 and contraction-free grouting concrete 3 are connected, the contraction-free grouting concrete is used to fill the grout sleeve and first to even
Connect the gap that reinforcing bar and the second reinforcing bar to be connected are formed.
One end of grout sleeve 4 is machined with the threaded joints 8 of internal diameter reduction, and threaded joints 8 are to pass through hot forging process
Undergauge reprocess female thread at, the other end of grout sleeve 4 be machined with internal diameter reduction beam oral area 9, beam oral area 9 is to pass through
What hot forging or cold-forging technique undergauge were formed.The threaded joints 8 for being machined with externally threaded reinforcing bar to be connected 13 and grout sleeve 4 are logical
Cross threaded connection；The one end of reinforcing bar 14 to be connected from grout sleeve 4 with beam oral area 9 is inserted into, and subsequent contraction-free grouting concrete 3 is logical
Cross grout hole 2 and enter grout sleeve 4, when it is overflowed from slurry outlet 6, illustrate to be filled with without it reinforcing bar 13 to be connected, to
The gap between reinforcing bar 14 and grout sleeve 4 is connected, the connection of post-grouting connector is hardened to it and completes.It is pre- in component in Specific construction
Stage processed first treats the end threading of connection reinforcing bar 13, then connects the screw thread of reinforcing bar 13 to be connected and grout sleeve 4
Socket part 8 is connected through a screw thread, and then grout sleeve 4 is fixed in template with one end of beam oral area 9, and grout sleeve 4
Clearance seal between end and template is good, and the grout hole 2 of grout sleeve 4 and slurry outlet 6 are guided to prefabricated components by connecting tube
Outside structural plane.Casting concrete is vibrated, is conserved to demoulding, and component completes.When in-site installation, prefabricated components are hung to rule
Positioning is set, another reinforcing bar 14 to be connected of prefabricated components is inserted into the grout sleeve 4 of this component, fixed, between plug members
Grouting seam.Then contraction-free grouting concrete 3 is poured into from reserved grout hole 2, until contraction-free grouting concrete 3 is from slurry outlet 6
In successively overflow after, block the grout hole 2 and slurry outlet 6 on good each connection sleeve 4.After the hardening of contraction-free grouting concrete 3, two
The reinforcing bar connection of a component just completes, while also two components being connected together.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
It is understood that the correlated characteristic in above-mentioned apparatus can be referred to mutually.In addition, in above-described embodiment " the
One ", " second " etc. is and not represent the superiority and inferiority of each embodiment for distinguishing each embodiment.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the device of the disclosure should not be construed to reflect an intention that i.e. required guarantor
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the component in the device in embodiment
Change and they are arranged in one or more devices unlike this embodiment.It can be the component combination in embodiment
At a component, and furthermore, they can be divided into multiple subassemblies.In addition at least some of such feature is mutual
It, can be using any combination to institute disclosed in this specification (including adjoint claim, abstract and attached drawing) except repulsion
There are feature and all components of so disclosed any device to be combined.Unless expressly stated otherwise, this specification (packet
Include adjoint the claims, abstract and drawings) disclosed in each feature can be replaced by providing identical, equivalent, or similar purpose
It is replaced for feature.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.Various component embodiments of the invention can be implemented in hardware, or
It is implemented in a combination thereof.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Component or component listed in the claims.Word "a" or "an" before component or component does not exclude the presence of multiple
Such component or component.The present invention can be realized by means of including the device of several different components.It is several listing
In the claim of component, several in these components, which can be through the same component item, to be embodied.Word first,
Second and the use of third etc. do not indicate any sequence.These words can be construed to title.
Heretofore described numberical range includes numerical value all within the scope of this, and including any two within the scope of this
The value range of numerical value composition.
Technical characteristic in the claims in the present invention and/or specification can be combined, and a combination thereof mode is not limited to weigh
The combination obtained in benefit requirement by adduction relationship.It is combined by the technical characteristic in claim and/or specification
The technical solution and protection scope of the present invention arrived.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to
According to technical spirit any simple modification, equivalent change and modification to the above embodiments of the invention, this hair is still fallen within
In the range of bright technical solution.
Claims (10)
1. a kind of grout sleeve, it is characterised in that: including,
First end, the second end, grout hole, slurry outlet and multiple fins,
Wherein, the first end is positioning region or threaded joints, and the second end is beam oral area,
Fin is located inside grout sleeve, and the fin is linear.
2. a kind of grout sleeve according to claim 1, it is characterised in that:
The fin is linear type.
3. a kind of grout sleeve according to claim 1, it is characterised in that:
Two adjacent fins form splayed or herringbone.
4. a kind of grout sleeve according to claim 3, it is characterised in that:
Defining the direction from grout hole to slurry outlet is first direction,
First part of the first end to slurry outlet for grout sleeve is defined, two adjacent fins of first part inside are first
It is in herringbone on direction；Alternatively,
Second part of the slurry outlet to grout hole for grout sleeve is defined, two adjacent fins of second part inside are in first party
It is upwards in splayed；Alternatively,
Part III of the grout hole to the second end for grout sleeve is defined, two adjacent fins of Part III inside are first
It is in herringbone on direction.
5. a kind of preparation method of grout sleeve, it is characterised in that: including,
Obtain grout sleeve precast body；
Using hot forging or cold forging method, so that one end of grout sleeve precast body is become the first plastic unit, keep grout sleeve prefabricated
The other end of body becomes the second plastic unit；
The first plastic unit is fixed to by positioning region or threaded joints using the first mold, using the second mold by institute
The plastic unit of second stated is fixed to beam oral area, obtains the grout sleeve.
6. a kind of preparation method of grout sleeve according to claim 5, it is characterised in that:
The preparation method further includes squeezing the outer wall of grout sleeve precast body, obtains fin, and the fin is located at grouting
Sleeve inner, and, the fin is linear.
7. a kind of preparation method of grout sleeve according to claim 6, it is characterised in that:
The fin is linear type, splayed or herringbone.
The connector 8. a kind of reinforcing bar is in the milk, it is characterised in that: including,
Grout sleeve, the first reinforcing bar to be connected, the second reinforcing bar and contraction-free grouting concrete to be connected,
The contraction-free grouting concrete is used to fill the grout sleeve and the first reinforcing bar to be connect and the second reinforcing bar to be connected
The gap of formation,
The grout sleeve is described in any one of claim 1-4.
9. a kind of connection method of reinforcing bar grouting connector, it is characterised in that:
A kind of reinforcing bar according to claim 8 is in the milk connector, and connection method includes,
First reinforcing bar to be connected is inserted into from the first end of grout sleeve, it is fixed after adjusting to the first predeterminated position,
By the clearance seal of first reinforcing bar and first end to be connected；
The beam oral area of the grout sleeve is fixed in template, and by the clearance seal of grout sleeve and template, is adopted respectively
Grout hole and slurry outlet are drawn to outside the structural plane of prefabricated components with the first connecting tube and the second connecting tube；
Casting concrete vibrates, conserves to demoulding, obtains prefabricated components；
The prefabricated components are drawn to the second predeterminated position, by second reinforcing bar to be connected from the beam mouth of grout sleeve
Portion's insertion, it is fixed after adjusting to third predeterminated position, by the clearance seal of the prefabricated components and lower end prefabricated components；
Contraction-free grouting concrete is poured by the first connecting tube, until contraction-free grouting concrete is overflowed from the second connecting tube, sealing grouting
Hole and slurry outlet；
After the contraction-free grouting concrete hardening, the reinforcing bar grouting connector is obtained.
10. a kind of connection method of reinforcing bar grouting connector according to claim 9, it is characterised in that:
The reinforcing bar to be connected of described first has screw thread to connecting portion, and the first end of the grout sleeve is to be threadedly coupled
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810081510.4A CN110080466A (en) | 2018-01-26 | 2018-01-26 | Grouting sleeve and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810081510.4A CN110080466A (en) | 2018-01-26 | 2018-01-26 | Grouting sleeve and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110080466A true CN110080466A (en) | 2019-08-02 |
Family
ID=67412772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810081510.4A Pending CN110080466A (en) | 2018-01-26 | 2018-01-26 | Grouting sleeve and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110080466A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397037A (en) * | 2019-08-09 | 2019-11-01 | 浙江大东吴集团建设有限公司 | A kind of device cut convenient for the superfilled part of cast-in-place concrete pile |
| CN111188462A (en) * | 2019-12-30 | 2020-05-22 | 周建 | Splicing type grouting sleeve for connecting reinforcing steel bars and manufacturing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010037828A (en) * | 2008-08-06 | 2010-02-18 | Takenaka Komuten Co Ltd | Grout-filled reinforcement joint |
| CN102587587A (en) * | 2011-01-14 | 2012-07-18 | 中冶建筑研究总院有限公司 | Cement grouting steel bar connecting joint |
| CN103452246A (en) * | 2013-07-09 | 2013-12-18 | 东南大学 | Grouted deformed steel tube sleeve abutted and connected by steel bar grouting anchor |
| CN103953163A (en) * | 2014-05-13 | 2014-07-30 | 赵虎 | Reinforced connector formed by low alloy steel in casting and machining manners |
| CN205399831U (en) * | 2016-03-11 | 2016-07-27 | 中国建筑第六工程局有限公司 | Simple and easy cover to reinforcement plastics cushion |
| CN205777111U (en) * | 2016-07-04 | 2016-12-07 | 建研科技股份有限公司 | Squash type grouting joint |
| CN208009759U (en) * | 2018-01-26 | 2018-10-26 | 中国建筑科学研究院有限公司 | A kind of grout sleeve and reinforcing bar are in the milk connector |
-
2018
- 2018-01-26 CN CN201810081510.4A patent/CN110080466A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010037828A (en) * | 2008-08-06 | 2010-02-18 | Takenaka Komuten Co Ltd | Grout-filled reinforcement joint |
| CN102587587A (en) * | 2011-01-14 | 2012-07-18 | 中冶建筑研究总院有限公司 | Cement grouting steel bar connecting joint |
| CN103452246A (en) * | 2013-07-09 | 2013-12-18 | 东南大学 | Grouted deformed steel tube sleeve abutted and connected by steel bar grouting anchor |
| CN103953163A (en) * | 2014-05-13 | 2014-07-30 | 赵虎 | Reinforced connector formed by low alloy steel in casting and machining manners |
| CN205399831U (en) * | 2016-03-11 | 2016-07-27 | 中国建筑第六工程局有限公司 | Simple and easy cover to reinforcement plastics cushion |
| CN205777111U (en) * | 2016-07-04 | 2016-12-07 | 建研科技股份有限公司 | Squash type grouting joint |
| CN208009759U (en) * | 2018-01-26 | 2018-10-26 | 中国建筑科学研究院有限公司 | A kind of grout sleeve and reinforcing bar are in the milk connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397037A (en) * | 2019-08-09 | 2019-11-01 | 浙江大东吴集团建设有限公司 | A kind of device cut convenient for the superfilled part of cast-in-place concrete pile |
| CN111188462A (en) * | 2019-12-30 | 2020-05-22 | 周建 | Splicing type grouting sleeve for connecting reinforcing steel bars and manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103899044B (en) | Embedded pyramidal full grout sleeve | |
| CN103216044B (en) | The cement grouting steel bar connecting structure of precast unit | |
| CN103758292B (en) | The full grout sleeve of a kind of shearing enhancement mode | |
| CN202391019U (en) | End part thickened grouting connector of steel bar | |
| CN103758291B (en) | A kind of shearing enhancement mode half grout sleeve | |
| CN105064619A (en) | Rebar sleeve grouting connection member for prefabricated assembled type concrete component and connection method | |
| CN105298134B (en) | Without independent grouting port reinforcing bar grouting branch sleeve and system and construction method | |
| CN103899043B (en) | Embedded pyramidal half grout sleeve | |
| CN204826426U (en) | Grout sleeve for steel bar connection | |
| CN202850360U (en) | Grouting and anchoring type steel bar connection sleeve and manufacturing mould thereof | |
| CN204163287U (en) | Roll forming bar connecting grout sleeve | |
| CN207332121U (en) | A kind of PC components grout sleeve fixation kit | |
| CN107327081A (en) | A kind of band extruding back taper grout sleeve and architectural prefab | |
| CN110080466A (en) | Grouting sleeve and preparation method and application thereof | |
| CN102900201B (en) | Manufacture mold and manufacture method of grouting anchor reinforced bar connection sleeve | |
| CN208009759U (en) | A kind of grout sleeve and reinforcing bar are in the milk connector | |
| CN207332123U (en) | Efficient energy-saving and emission-reducing high tensile reinforcement connection extruding grout sleeve and architectural prefab | |
| CN105014785B (en) | Prefabricated assembled concrete component Bar Anchorage preformed hole hole-forming device and method | |
| CN204826423U (en) | Prefabricated assembled is reinforcing bar sleeve grout connecting piece for concrete member | |
| CN205804771U (en) | A kind of reinforcing bar grout sleeve | |
| CN207332028U (en) | Assembly of shear wall structure vertically engages portion connecting structure | |
| CN206987200U (en) | A kind of short grout sleeve of bar connecting | |
| CN208803378U (en) | A kind of UHPC component grouting connecting structure | |
| CN205976235U (en) | Grout sleeve and prefab | |
| CN204827500U (en) | Pinniform wedge body stock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |