CN106639164A - Rebar connector for butt joint of prefabricated concrete members and butt joint method - Google Patents
Rebar connector for butt joint of prefabricated concrete members and butt joint method Download PDFInfo
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- CN106639164A CN106639164A CN201710072608.9A CN201710072608A CN106639164A CN 106639164 A CN106639164 A CN 106639164A CN 201710072608 A CN201710072608 A CN 201710072608A CN 106639164 A CN106639164 A CN 106639164A
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- hook
- screw lock
- reinforcing bar
- type lockset
- connecting rod
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- 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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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a rebar connector for butt joint of prefabricated concrete members and a butt joint method. The rebar connector is composed of a retaining nut, a hook-shaped lock, a string ring, a butterfly-shaped supporting plate and a screw lock connection rod. When a groove in the middle of the screw lock connection rod is buckled and the hook-shaped lock in a connection sleeve are buckled together, rebars of the two prefabricated concrete members are connected. Liquid high-strength binding agents are poured into the sleeve where the rebar connector is placed, the redundant binding agents overflow; and after the screw lock connection rod is inserted, and the screw lock connection rod and the sleeve are bonded into a whole after the binding agents are solidified,. Meanwhile, concrete on the connecting surfaces are also bonded through binding agents, and the problems that time for operation, such as welding, overlap joint, bolting and the like, of traditional connection end plates is long, connector cost is high, and connector strength is unreliable, are solved. According to the rebar connector for butt joint of the prefabricated concrete members and the butt joint method, construction operability is high, the member assembly degree is high, construction operation efficiency is high, engineering materials are saved, engineering cost is low, and the engineering implementation effect is good.
Description
Technical field
The present invention relates to technical field of civil engineering, relates in particular to connection and its assembly concrete of a kind of reinforcing bar
The docking calculation of component.
Background technology
Assembled architecture, it is important to the grade strong ties of precast member for reinforcing bar concrete.Realize etc. that strong ties must make to receive
Advocate muscle docking.Make the quick slitless connection of precast reinforced concrete structure, it is impossible to expose stress cage bar, it is prefabricated by two
Member stress cage bar in vitro to muscle, then casting concrete again, realizes the connection of two concrete components, so not only increases
Plus larger workload, and the construction period is extended, and construction costs is improve, it is not carried out building structure truly
Quick assembling, it is difficult to improve its assembly rate.
Existing frequently-used reinforcing bar is plugged into, be in the external docking of component, such as colligation, welding and be mechanically connected.Only
Precast reinforced concrete structure steel reinforcement abutting joints in vivo are realized, efficient assembling could be realized.
Jing is retrieved,《A kind of prefabricated components connector and the precast concrete docking structure [application number being made up of it:
CN201020550659.1] patent, including little nut, inserted link, mesopore nut, big nut, big nut bottom is provided with hole, rod iron
Heading is stuck in it, and spring is located in big nut and spring one end and heading are touched, the other end and split collar are touched, it is described in
Hole nut is screwed in big nut, and wherein mesopore nut lower end is resilient coordinating with split collar, the shade clamping of mesopore nut
In big nut end face；The inserted link by plug, insert the integrative-structure that neck and grafting body are constituted, its plug bottom area of a circle be more than with
It is integrated slotting neck diameter and forms ring in plug bottom inserts neck chuck；The inserted link grafting body spins with little nut.
But the patent existing defects, such as in connection procedure, split collar provides support by spring, when inserted link insertion
Split collar exert oneself excessive or speed when, split collar is easily separated from mesopore nut, causes connection failure；The thrust of spring
It is difficult to push split collar in place, causes connection effect unreliable, for the connection of the docking offer of tension (resistance to plucking) component
Power is relatively low, it is difficult to meet requirement of engineering.
For patent《A kind of snap ring connector》(application number CN201610546188.9), including attaching nut and clamping spiral shell
Mother, is bolted with a plug connector on described attaching nut, being provided with one in described clamping nut can send out under external force
Raw deformation and the snap ring assemblies that can be restored when external force disappears, the snap ring assemblies are vertically arranged in clamping nut, in card
An intermediate nut is also bolted with connected nut, intermediate nut is located at snap ring assemblies top and can form backstop to snap ring assemblies,
When plug connector is inserted in snap ring assemblies, described plug connector is formed with snap ring assemblies and is engaged by clamping.
But snap ring assemblies, can radially expand under external force large-sized card ring, make to be set in card ring outer wall
It is upper have elasticity can the snap ring fixture of deformation also outwards deform, then make card ring along footpath by the elastic force of snap ring fixture
To moving inward, and the frictional resistance that intermediate nut and packing ring are acted on card ring biend is overcome to be highly difficult, that is to say, that
The elastic acting force of snap ring fixture is difficult to make the movement of card ring be embedded in the chuck of plug connector, or clicks into place, and illustrates this
It is insecure to plant connection.
The content of the invention
The purpose of the present invention is the problem existed for reinforcing bar connector in existing precast concrete body, there is provided a kind of
The reinforcing bar connector of reliable, the easy to operate precast concrete docking of simple structure, connection, and its reinforcing bar connector
Method of attachment.
To reach above-mentioned purpose, the technical solution used in the present invention is：
A kind of reinforcing bar connector of precast concrete docking, including：Respectively connected two sections docking reinforcing bar it is big,
Small sleeve, screw lock connecting rod, hook-type lockset, string circle, anti-return nut and high-strength fluid binder, is characterized in that：
Small sleeve one end connection docking reinforcing bar, one screw lock connecting rod of other end inside connection；Big sleeve one end connection docking
Reinforcing bar, the other end is internally provided with hook-type lockset, and the end of hook-type lockset is provided with protuberance, and protuberance blocks screw lock company during docking
Groove on extension bar；Hook-type lockset stage casing is provided with string circle, and hook-type lockset is rotated around string circle during docking；The end of big sleeve is arranged
There is anti-return nut, the conical termination of screw lock connecting rod is through anti-return nut and hook-type lockset clamping during docking.
Further, the anti-return nut is connected on the end of big sleeve by external thread rotary, and transverse plane is in interior on anti-return nut
Chamfering, lower end is tapered, and hook-type lockset is located between the conical surface of anti-return nut lower end and sleeve, and hook-type lockset top has oblique
Face, its inclination angle matches with anti-return nut lower end conical inclination.
Further, hook-type lockset is made up of multiple arcs hooked scarf, and by string circle hollow columnar is assembled into.
Further, the upper end of screw lock connecting rod be a screw rod, middle part be cylindrical bar, lower end be conical termination, circular cone
Groove is provided between termination and cylindrical bar, hook-type lockset protuberance is stuck in groove during docking.
Further, the reinforcing bar of docking is each attached to the end of pre-buried big sleeve and small sleeve, near large and small sleeve aperture
Inner side be threaded.
Further, anti-return nut aperture inner side is provided with chamfering, and anti-return nut end face is provided with flat recess.
Further, the big sleeve bottom arranges a dish-shaped fagging, and dish-shaped fagging is located at hook-type lockset lower end, dish-shaped fagging
On open slot is distributed with, during docking, dish-shaped fagging compressive deformation, the increase of its external diameter.
Further, the lower end of hook-type lockset is provided with long toe, and during docking, the conical termination of screw lock connecting rod promotes long pin
Toe makes hook-type lockset protuberance block screw lock connecting rod.
A kind of steel reinforcement abutting joints method of precast concrete：
In the precast concretes of two docking, preset respectively big sleeve and small sleeve and respectively with bar connecting, make
One end of screw lock connecting rod is inserted in big sleeve, mobile precast concrete, when the conical termination of screw lock connecting rod is encountered
During hook-type lockset protuberance, the upper end for promoting hook-type lockset is displaced outwardly, and lower end moves inward, and gets out of the way conical termination；
The conical termination of screw lock connecting rod continues to move down, and promotes hook-type lockset lower end to be moved radially outwards；From
And hook-type lockset upper end is moved radially inwardly, the protuberance for making hook-type lockset is embedded in the groove of screw lock connecting rod, makes
The reinforcing bar of two blocks of prefabricated components is joined together.
Further, adhesive is full of in the big sleeve, after insertion screw lock connecting rod, unnecessary adhesive will overflow, and glue
Big sleeve is all bonded to an entirety with screw lock connecting rod and hook-type lockset after mixture solidification；Two precast concretes
Adhesive is charged on interface, is bonded together interface after solidification.
Further, plug into many reinforcing bars when, one and with upper Positioning holes and alignment pin is arranged on joint face；First will positioning
To in location hole, the alignment pin for then just connecting two components is aligned pin connection with dowel hole, finally compresses joint face,
Reinforcing bar on joint face is coupled together simultaneously.
Further, conical termination makes the lower end of the hook-type lockset of long toe by the hook-type lockset of promotion belt length toe
It is moved radially outwards, upper end moves radially inwardly, so that the protuberance of hook-type lockset is embedded into the recessed of screw lock connecting rod
In groove, screw lock connecting rod is pinned, the reinforcing bar for making prefabricated components is joined together.
Further, when the conical termination of screw lock connecting rod continues to move down, conical termination is pressed down against dish
Fagging, dish-shaped fagging compressive deformation, its external diameter increase, the lower end for promoting hook-type lockset is moved radially outwards, while hook-type lock
The upper end of tool moves radially inwardly, and makes hook-type lockset pin screw lock connecting rod.
Site operation of the present invention is workable, component assembling degree high, efficiency of assembling is high, it is ensured that the reliability of connection
Property, the cost of prefabricated components connection is reduced, engineering construction works well.
Description of the drawings
The schematic diagram of organization plan one of Fig. 1, reinforcing bar connector
The schematic diagram of organization plan two of Fig. 2, reinforcing bar connector
The reinforcing bar connector assembling positioning profile of Fig. 3, precast concrete docking concept one
The reinforcing bar connector assembling process profile of Fig. 4, precast concrete docking concept one
Fig. 5, the reinforcing bar connector of precast concrete docking concept one assemble profile in place
Fig. 6, the schematic diagram of hook-type lockset distribution scheme one of string circle assembling
Fig. 7, butterfly fagging plan
Fig. 8, anti-return nut plan
The reinforcing bar connector assembling positioning profile of Fig. 9, precast concrete docking concept two
The reinforcing bar connector assembling process profile of Figure 10, precast concrete docking concept two
Figure 11, the reinforcing bar connector of precast concrete docking concept two assemble profile in place
Figure 12, the schematic diagram of hook-type lockset distribution scheme two of string circle assembling
Figure 13, many reinforcing bars of precast concrete docking are plugged into process schematic
In figure：On 1- save prefabricated component, 2- reinforcing bars, 3- screw lock connecting rods, 4- small sleeves, 5- anti-return nuts, the big sleeves of 6--,
Save what is be distributed in prefabricated component, 9- string circles, 10- dish faggings, 11-high-strength bonding agent, 12- dish blade under 7- hook-type locksets, 8-
Flat recess, 14- alignment pin screws, 15- alignment pins, 16- positioning pin jack on open slot, 13-anti-return nut, the long pin of 71-
Toe.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention will be further described in detail.
As shown in figure 1, a kind of reinforcing bar connector, small sleeve 4 and big sleeve 6, respectively connected two sections of reinforcing bars 2；Make this
Two sections of reinforcing bars 2 are coupled together, and must use this kind of reinforcing bar connector.
Reinforcing bar connector, including tapped big sleeve 6, with externally threaded anti-return nut 5, hook-type lockset 7, string circle 9,
Butterfly fagging 10 and screw lock connecting rod 3 etc..
Described anti-return nut 5, with external screw thread, its upper end is in interior chamfer plane, and top is distributed flat recess, and lower end is in outer
Inclination angle, forms taper, and hook-type lockset 7 is blocked between anti-return nut 5 and big sleeve 6；The angle in the lower end flare face of anti-return nut 5
It is identical with the upper end inclination angle of hook-type lockset.
Described hook-type lockset 7, is made up of the arc block of multiple buckles, be connected in one elasticity string circle 9 on, assembly after into
Hollow cylindrical.
Described screw lock connecting rod 3, upper end is a screw rod, and at middle part a groove is distributed, and lower end is in cone；
Described big sleeve 6 is that, for connecting stress main reinforcement, main reinforcement is each attached to the end of pre-buried big sleeve, greatly
The inner side of sleeve is threaded.
Described two prefabricated components docking is first by bar connecting, institute in one end of screw lock connecting rod 3 and a prefabricated component
State reinforcing bar to be connected with small sleeve 4；The component of reinforcing bar connector is installed in the reinforcing steel bar connecting sleeve tube of another prefabricated component simultaneously；
Then prefabricated component alignment connecting hole is moved, the conehead for making screw lock connecting rod is inserted from the mesopore of anti-return nut.
When the conehead of screw lock connecting rod 3 encounters the tapered end of hook-type lockset 7, extruding make the upper end of hook-type lockset radially to
Outer movement, while the lower end of hook-type lockset moves radially inwardly, rotating shaft of the string circle 9 equivalent to hook-type lockset；
When the conehead of screw lock connecting rod 3 continues to move down, encounter the bottom of hook-type lockset and be expressed to butterfly fagging
10, increase butterfly fagging external diameter, butterfly fagging radially promotes the lower end of hook-type lockset 7 to be displaced outwardly, hook-type lockset
Upper end just moves radially inwardly, while the dop for making hook-type lockset is embedded in the groove of screw lock connecting rod 3, just makes prefabricated structure
The reinforcing bar of part is connected.
Another scheme is：Hook-type lockset 7 has a long toe 71, eliminates butterfly fagging 10.When screw lock connecting rod 3
When conehead continues to move down, conehead promotes the long toe 71 of hook-type lockset so as to which lower end is moved radially outwards, hook-type lockset
Upper end just move radially inwardly, while the dop for making hook-type lockset is embedded in the groove of screw lock connecting rod, just make prefabricated
The reinforcing bar of component is connected.
When two prefabricated components connect, it is embedded in the reinforcing steel bar connecting sleeve tube in concrete and has poured into the high-strength bonding of liquid
Agent, after insertion screw lock connecting rod, unnecessary adhesive will overflow, and after adhesive solidification, just bond reinforcing bar connector and sleeve
Into an entirety.
It is described to have many reinforcing bars to need on interface while when connecting, more than one positioning is arranged on joint face
Pin screw 14 and positioning pin jack 16；Alignment pin 15 is screwed in alignment pin screw；And will need to connect the alignment pin of two components
After 15 are aligned with positioning pin jack 16, a component are shifted near into another component and is compressed, need what is connected in this two components
Reinforcing bar will all be plugged into together.Concrete package assembly is as follows：
First screw lock connecting rod 3 is screwed together with the screw thread of small sleeve 4；Then dish-shaped fagging 10 is put by shown position
Enter in big sleeve 6；Hook-type lockset 7 is assembled on string circle 9 again, forms a hollow column, its plane such as Fig. 5；When
The hook-type lockset 71 of long toe is assembled on string circle 9, its plane such as Fig. 1,2, and is put in big sleeve 6；
Next, in the flat recess 13 with the embedded anti-return nut 5 of Flathead screwdriver, such as Fig. 7, easily anti-return nut
5 are screwed in big sleeve 6, and make the lower end inclined-plane of anti-return nut contact with the upper end inclined-plane of hook-type lockset 7；
Mobile screw lock connecting rod 3, is directed at the center of anti-return nut 5 in big sleeve 6, and screw lock connecting rod 3 is inserted into into hook-type
The centre of lockset 7, you can realize the docking of reinforcing bar 2 in two pieces of precast concrete bodies.
Docking concept one：
As shown in Fig. 2 screw lock connecting rod 3 is with conical termination, anti-return nut 5 has a chamfering, so that screw lock connects
Extension bar 3 is when anti-return nut 5 is inserted, it is allowed to has a certain amount of errors of centration, reduces the difficulty positioned during connection.
As shown in figure 3, when screw lock connecting rod 3 is inserted into certain position with conical termination from the middle of anti-return nut 5, spiral shell
The diameter of lock connecting rod 3 is gradually increased upwards by termination, is just collided with the protuberance of hook-type lockset 7, and extrudes hook-type lockset 7
Upper end is moved radially outwards, while the lower end of hook-type lockset 7 moves radially inwardly, string circle 9 has the rotary shaft of hook-type lockset 7
Function.
As shown in figure 4, as the termination of screw lock connecting rod 3 moves down the bottom of extruding hook-type lockset 7 and dish-shaped fagging
10, due to the open slot 12 being distributed on dish-shaped fagging, such as Fig. 6, the end pressure of screw lock connecting rod 3 deforms dish-shaped fagging 10,
Its external diameter increase, the lower end for promoting hook-type lockset 7 is moved radially outwards, while the upper end of hook-type lockset 7 is moved radially inward
Dynamic, the gib head for making hook-type lockset 7 is embedded in the groove in the middle of screw lock connecting rod 3, so that hook-type lockset 7 and screw lock connecting rod
3 lock together.
Docking concept two：
As shown in figure 9, screw lock connecting rod 3 is with conical termination, anti-return nut 5 has a chamfering, so that screw lock connects
Extension bar 3 is when anti-return nut 5 is inserted, it is allowed to has a certain amount of errors of centration, reduces the difficulty positioned during connection.
As shown in Figure 10, when screw lock connecting rod 3 is inserted into certain position with conical termination from the middle of anti-return nut 5,
The diameter of screw lock connecting rod 3 is gradually increased upwards by termination, is just collided with the protuberance of the hook-type lockset 71 of long toe, and is extruded
The upper end of the hook-type lockset 71 of long toe is moved radially outwards, while the lower end of hook-type lockset 7 moves radially inwardly, string circle
The function of 9 rotary shafts of hook-type lockset 71 with long toe.
As shown in figure 11, as the termination of screw lock connecting rod 3 moves down, the long toe of hook-type lockset 71 is promoted so as to
Lower end is moved radially outwards, and moves radially inwardly with the upper end of the hook-type lockset 71 of duration toe, makes the hook-type of long toe
The gib head of lockset 71 is embedded in the groove in the middle of screw lock connecting rod 3, so that the hook-type lockset 71 of long toe is connected with screw lock
Bar 3 is locked together.
Because the upper end of hook-type lockset 7 is withstood by anti-return nut 5, anti-return nut 5 is screwed together with big sleeve 6 again, from
And the reinforcing bar 2 for realizing the connection of small sleeve 4 is connected integral with the reinforcing bar 2 of big sleeve connection.
Before insertion screw lock connecting rod 3, the high-strength bonding agent 11 of liquid is filled in big sleeve 6.When screw lock connecting rod 3
After inserting and latching in place with hook-type lockset 7, unnecessary high-strength bonding agent 11 is extruded, while connecing in big sleeve 6 and reinforcing bar
The high-strength bonding agent 11 that the gap between device assembly is fully filled with liquid is refuted, after high-strength bonding agent 11 solidifies, big sleeve 6 can be made
Plugging in gap of do not exist between device assembly with reinforcing bar,
As Fig. 2～4, upper section prefabricated concrete elements 1 are docked with lower section prefabricated concrete elements 8, to make seam crossing intensity (anti-
Drawing, bending resistance, shearing resistance and resistance to compression) higher than the intensity of precast concrete body, by the high-strength bonding of concrete surface and need to receive
Muscle of advocating connects one by one, for this purpose, the high-strength bonding agent 11 of liquid is precoated on concrete surface, by the stress of prefabricated concrete elements
Cage bar is coupled together with big sleeve 6 or small sleeve 4, and is embedded in the end of connection, using reinforcing bar connector, realizes two pieces
The docking of reinforcing bar 2 in precast concrete body
Such as Fig. 8, when precast concrete there are many reinforcing bars to need connection on joint face, need to arrange on joint face
More than one alignment pin screw 14 and positioning pin jack 16；Alignment pin 15 is screwed in alignment pin screw；And need to connect two
After the alignment pin 15 of individual component is aligned with positioning pin jack 16, a component is shifted near into another component and is compressed, this two structures
The reinforcing bar for connecting is needed all to plug into together in part.
Compared with prior art, it is an advantage of the current invention that：Eliminating carries out the spring of axially position to snap ring assemblies, solution
There is the difficult problem departed from intermediate nut in snap ring assemblies in connection procedure of having determined, make snap ring assemblies axially remain that position is consolidated
It is fixed, be not in connection failure, so as to improve the reliability of prefabricated concrete elements connection.
Additionally, compared with prior art, advantages of the present invention also has：Intermediate nut and packing ring are solved to the end of card ring two
Face effect resistance is larger, causes the elasticity of snap ring fixture and card ring cannot be made to reset the difficult problem that is embedded in plug connector chuck.
Also solve intermediate nut and packing ring simultaneously less to card ring biend effect resistance, make to exist between snap ring fixture compared with
Wide arc gap affects the difficulty of contact strength, and the difficult problem for solving after connection and being opened, and substantially increases prefabricated concrete elements
Bonding strength and the security of connection.
Specific embodiment described herein is only to inventive concept explanation for example.Technology belonging to of the invention
The technical staff in field can make various modifications to described specific embodiment or supplement or adopt similar mode
Substitute, but without departing from the present invention essence or surmount scope defined in appended claims.
Although more used herein it is upper section prefabricated component 1, reinforcing bar 2, screw lock connecting rod 3, small sleeve 4, anti-return nut 5,
The opening being distributed in big sleeve 6, hook-type lockset 7, lower section prefabricated component 8, string circle 8, dish-shaped fagging 10, bonding agent 11, dish-shaped blade
The terms such as flat recess 13, alignment pin screw 14, alignment pin 15, positioning pin jack 16 on groove 12, anti-return nut, but be not precluded from
Using the possibility of other terms.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；
It is all contrary with spirit of the invention that they are construed to any additional restriction.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, of the invention without departing from the spirit and scope of the present invention also to have various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent is defined.
Claims (13)
1. a kind of reinforcing bar connector of precast concrete docking, including：Respectively connected two sections and dock the large and small of reinforcing bar
Sleeve, screw lock connecting rod, hook-type lockset, string circle, anti-return nut and high-strength fluid binder, is characterized in that：
Small sleeve one end connection docking reinforcing bar, one screw lock connecting rod of other end inside connection；Big sleeve one end connection docking reinforcing bar,
The other end is internally provided with hook-type lockset, and the end of hook-type lockset is provided with protuberance, and protuberance blocks screw lock connecting rod during docking
On groove；Hook-type lockset stage casing is provided with string circle, and hook-type lockset is rotated around string circle during docking；The end of big sleeve is provided with only
Withdrawing nut, the conical termination of screw lock connecting rod is through anti-return nut and hook-type lockset clamping during docking.
2. a kind of reinforcing bar connector of precast concrete docking according to claim 1, is characterized in that, described to stop
Withdrawing nut is connected on the end of big sleeve by external thread rotary, and transverse plane is in interior chamfering on anti-return nut, and lower end is tapered, hook-type lock
Between the conical surface and sleeve of anti-return nut lower end, hook-type lockset top has inclined-plane to tool, its inclination angle and anti-return nut lower end
Conical inclination matches.
3. a kind of reinforcing bar connector of precast concrete docking according to claim 1, is characterized in that, hook-type lock
Tool is made up of multiple arcs hooked scarf, and by string circle hollow columnar is assembled into.
4. a kind of reinforcing bar connector of precast concrete docking according to claim 1, is characterized in that, screw lock connects
The upper end of extension bar be a screw rod, middle part be cylindrical bar, lower end be conical termination, be provided with recessed between circular cone termination and cylindrical bar
Groove, hook-type lockset protuberance is stuck in groove during docking.
5. a kind of reinforcing bar connector of precast concrete docking according to claim 1, is characterized in that, docking
Reinforcing bar is each attached to the end of pre-buried big sleeve and small sleeve, and the inner side near large and small sleeve aperture is threaded.
6. a kind of reinforcing bar connector of precast concrete docking according to claim 1, is characterized in that, retaining spiral shell
Female aperture inner side is provided with chamfering, and anti-return nut end face is provided with flat recess.
7. a kind of reinforcing bar connector of precast concrete docking according to claim 1, is characterized in that, described big
Sleeve bottom arranges a dish-shaped fagging, and dish-shaped fagging is located at hook-type lockset lower end, open slot is distributed with dish-shaped fagging, docks
When, dish-shaped fagging compressive deformation, its external diameter increase.
8. a kind of reinforcing bar connector of precast concrete docking according to claim 1, is characterized in that, hook-type lock
The lower end of tool is provided with long toe, and during docking, the conical termination of screw lock connecting rod promotes long toe to make hook-type lockset protuberance card
Firmly screw lock connecting rod.
9. a kind of steel reinforcement abutting joints method of precast concrete, is characterized in that,
In the precast concretes of two docking, preset respectively big sleeve and small sleeve and respectively with bar connecting, make screw lock
One end of connecting rod is inserted in big sleeve, mobile precast concrete, when hook-type is encountered in the conical termination of screw lock connecting rod
During lockset protuberance, the upper end for promoting hook-type lockset is displaced outwardly, and lower end moves inward, and gets out of the way conical termination；
The conical termination of screw lock connecting rod continues to move down, and promotes hook-type lockset lower end to be moved radially outwards；So that
Hook-type lockset upper end moves radially inwardly, and the protuberance for making hook-type lockset is embedded in the groove of screw lock connecting rod, makes two pieces
The reinforcing bar of prefabricated components is joined together.
10. a kind of steel reinforcement abutting joints method of precast concrete according to claim 9, is characterized in that, the big set
Adhesive is full of in cylinder, after insertion screw lock connecting rod, unnecessary adhesive will overflow, and big sleeve connects with screw lock after adhesive solidification
Extension bar and hook-type lockset are all bonded to an entirety；Adhesive is charged on the interface of two precast concretes, is solidified
Interface is bonded together afterwards.
A kind of steel reinforcement abutting joints method of 11. precast concretes according to claim 9, is characterized in that, plug into many
During reinforcing bar, one is arranged on joint face and with upper Positioning holes and alignment pin；First alignment pin is connected in location hole, then will
The alignment pin for connecting two components is aligned with dowel hole, finally compresses joint face, the reinforcing bar on joint face connects simultaneously
Pick up and.
A kind of steel reinforcement abutting joints method of 12. precast concretes according to claim 9, is characterized in that, conical end
The hook-type lockset that head passes through promotion belt length toe, the lower end for making the hook-type lockset of long toe is moved radially outwards, upper end edge footpath
To moving inward, so that the protuberance of hook-type lockset is embedded in the groove of screw lock connecting rod, screw lock connecting rod is pinned, made pre-
The reinforcing bar of component processed is joined together.
A kind of steel reinforcement abutting joints method of 13. precast concretes according to claim 9, is characterized in that, when screw lock connects
When the conical termination of extension bar continues to move down, conical termination is pressed down against dish-shaped fagging, dish-shaped fagging compressive deformation, its
External diameter increases, and the lower end for promoting hook-type lockset is moved radially outwards, while the upper end of hook-type lockset moves radially inwardly, makes
Hook-type lockset pins screw lock connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072608.9A CN106639164A (en) | 2017-02-10 | 2017-02-10 | Rebar connector for butt joint of prefabricated concrete members and butt joint method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072608.9A CN106639164A (en) | 2017-02-10 | 2017-02-10 | Rebar connector for butt joint of prefabricated concrete members and butt joint method |
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| CN106639164A true CN106639164A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710072608.9A Pending CN106639164A (en) | 2017-02-10 | 2017-02-10 | Rebar connector for butt joint of prefabricated concrete members and butt joint method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296140A (en) * | 2018-11-27 | 2019-02-01 | 沈阳建筑大学 | Multidirectional reinforcing steel bar connecting device |
| WO2020134030A1 (en) * | 2018-12-29 | 2020-07-02 | 周兆弟 | Prefabricated component and positioning method for positioning sleeve and positioning rod in forming process |
| CN112267574A (en) * | 2020-10-19 | 2021-01-26 | 华北水利水电大学 | Wall pin for precast concrete member and use method thereof |
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