CN108412133A - A kind of reinforcing steel bar connecting device and its application method of self-locking prefabricated member - Google Patents
A kind of reinforcing steel bar connecting device and its application method of self-locking prefabricated member Download PDFInfo
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- CN108412133A CN108412133A CN201810090126.0A CN201810090126A CN108412133A CN 108412133 A CN108412133 A CN 108412133A CN 201810090126 A CN201810090126 A CN 201810090126A CN 108412133 A CN108412133 A CN 108412133A
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- snap ring
- sleeve
- reinforcing bar
- semilune
- reinforcing
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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
- E04C5/18—Spacers of metal or substantially of metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of reinforcing steel bar connecting devices and its application method of self-locking prefabricated member, described device includes connecting and composing branch sleeve by protection sleeve and sleeve cap, the round limiting bracket and snap ring component of interval installation are equipped in branch sleeve, round limiting bracket includes two supporting bars and spacing ring, snap ring component includes snap ring connector, semilune snap ring entity inner wall opens up arc slot, outer wall cooperation is equipped with arc spring lamination, snap ring connector is arranged between two neighboring spacing ring, wait for that two reinforcing bars of connection are inserted into from protection sleeve and sleeve cap outer end in the middle part of round limiting bracket respectively, it is connected and fixed by snap ring component.The present invention is by using the device of restriction for connecting reinforcing bar; the first reinforcing bar and the second reinforcing bar need to be only inserted into protection sleeve and the connection of two reinforcing bars can be completed; without manually carrying out second tightening, shorten the construction period, cost-effective, environmentally protective, the construction requirement of assembled architecture disclosure satisfy that.
Description
Technical field
The present invention relates to the reinforcing steel bar connecting device of technical field of building construction more particularly to a kind of self-locking prefabricated member and
Its application method.
Background technology
With the continuous propulsion of building industrialization, the node interconnection technique between prefabricated member need constantly to break through with
Innovation.Connection method between traditional reinforcing bar has binding connection, is welded to connect and is mechanically connected.Binding connection be generally used for wall with
The distributing reinforcement of floor connects, and the connection being rarely used between main reinforcement and longitudinal reinforcement, the scope of application is under many restrictions；Welding
The workload of connection is larger, is influenced by a variety of environmental factors, there are some destabilizing factors, such as building site capacitance are insufficient,
The factors such as spread of voltage can influence welding quality, and certain areas have a humid climate, temperature is too low, steel chemical composition is unstable
Influence joint quality；Although mechanical connection factor affected by environment is less, such as sleeve connection, due to sleeve tighten heavy workload,
And cannot operate simultaneously, it is a large amount of to consume the working time, moreover, in prefabricated member construction, since reinforcing bar has been spliced into steel
Muscle cage is cast in prefabricated member, so traditional screw shell cannot meet requirement.Therefore, a kind of company is designed
Connection device can meet more fixed steel bars while realize that simple, fast and effectively connection seems most important.
It simply, is fast and effectively connected to meet prefabricated member while realizing, some patents carry out it at present
It is corresponding to improve, such as CN106836656A, entitled " self-locking reinforcing bar Quick Connect Kit ", it is characterised in that first by self-locking steel
The the first reinforcing bar ontology and the second reinforcing bar ontology of muscle Quick Connect Kit are tightened in respectively on two reinforcing bars to be connected, and work as reinforcing bar
When with bar connecting, then connection-peg is inserted into socket joint casing to the connection for completing two reinforcing bars.Disadvantage is that：First, should
The socket joint cavity of the first reinforcing bar of device is only blocked with spherical shape lock piece, causes the breakout capacity for connecting reinforcing bar very low；Second is that the dress
When local primary structural component set such as lock piece, guide rod, limited block, the second elastic component etc. is by the first steel bars, meeting many places are same
When there is stress concentration phenomenon, prolonged mechanical load is easily destroyed the device；Third, two steel connected by the device
Muscle, when it applies to the reinforcing bar of the longitudinal stresses such as column, wall, very influences the direct transmission of longitudinal force there is no directly docking；
Fourth, the device assembly is excessive, construction is complicated, excessively high to manufacture precision requirement, it is difficult to produce in batches, be unfavorable for popularity
Implement.
Invention content
To overcome the defects of present in the prior art, the purpose of the present invention is to provide a kind of steel of self-locking prefabricated member
Muscle attachment device and its application method.
A kind of reinforcing steel bar connecting device of self-locking prefabricated member includes the protection sleeve and sleeve of matching connection
Cap, it is characterised in that round limiting bracket and snap ring component, the circle are equipped in protection sleeve and the cavity of sleeve cap
Limiting bracket includes two supporting bars and the spacing ring that is arranged at intervals in supporting bar, and preformed hole is arranged on spacing ring
B, snap ring component include several groups snap ring connector, and the snap ring connector is real by two semilune snap rings
Body is symmetrically placed to be obtained, and semilune snap ring entity inner wall opens up arc slot, and outer wall cooperation is equipped with arc spring lamination, arc spring lamination with
There are gaps, semilune snap ring solid end to be equipped with preformed hole a between semilune snap ring entity outer wall, and snap ring connector is set
It sets on the gap between two neighboring spacing ring, and with supporting bar middle part for midpoint, from supporting bar midpoint to both ends end
Point, for the placement direction of snap ring connector on the contrary, arc slot is symmetric, shop bolt is by preformed hole a and reserves
Round limiting bracket and snap ring component are fixed in protection sleeve and the cavity of sleeve cap by hole b, the first reinforcing bar and second
It is end reinforced to be inserted into the middle part of round limiting bracket from protection sleeve and sleeve cap outer end respectively, it is clamped by snap ring component,
Realize steel bar end connection.
The reinforcing steel bar connecting device of a kind of self-locking prefabricated member, it is characterised in that spacing ring is circular cyclic annular structure
Part, inner diameter size match use with the first reinforcing bar, the second reinforcing bar, and for multiple spacing rings in being spaced apart up and down, the distance at interval is big
The small thickness for semilune snap ring entity；Preformed hole b is symmetrically distributed in each spacing ring both sides, inner diameter size and preformed hole a
Internal diameter is identical.
A kind of reinforcing steel bar connecting device of the self-locking prefabricated member, it is characterised in that shop bolt includes pin shank,
Lug cap and screw thread a is respectively set in pin shank both ends, and pin shank outer diameter size is matched with the internal diameter of preformed hole a, preformed hole b.
The reinforcing steel bar connecting device of a kind of self-locking prefabricated member, it is characterised in that protection sleeve bottom is equipped with and determines
Position matched two threaded holes of pin, top are equipped with and the matched external screw thread of sleeve cap internal thread, protection sleeve top, bottom point
It is not threadedly coupled with sleeve cap with the screw thread a of shop bolt bottom.
The reinforcing steel bar connecting device of a kind of self-locking prefabricated member, it is characterised in that the first reinforcing bar includes the first reinforcing bar
Ontology, the first reinforcing bar body end are equidistantly equipped with one group of socket joint cavity a, and second reinforcing bar includes the second reinforcing bar ontology,
Second reinforcing bar body end is equidistantly equipped with one group of socket joint cavity b, socket joint cavity a, the depth of socket joint cavity b and semilune snap ring
Entities Matching, after reinforcing bar insertion, semilune snap ring entity rebounds and fills into corresponding socket joint cavity.
The reinforcing steel bar connecting device of a kind of self-locking prefabricated member, it is characterised in that in being in the middle part of supporting bar
Point, obliquely, the arc slot opening of lower half is obliquely for the arc slot opening of the supporting bar first half；Preformed hole a settings
In the one end of semilune snap ring entity, when reinforcing bar is inserted into, when semilune snap ring entity is squeezed by the longitudinal direction of external reinforcing bar, half
Month shape snap ring entity can surround preformed hole a center rotatings, to arc spring lamination outwardly against.
A kind of reinforcing steel bar connecting device of the self-locking prefabricated member, it is characterised in that protection sleeve by sleeve body,
Locating slot a, screw thread b composition, sleeve body are hollow cylinder shape, and cylinder internal diameter is more than the outer diameter of spacing ring, highly with circle
The matched of limiting bracket, protection sleeve are used to limit the lateral displacement of arc spring lamination；Locating slot a is arranged under sleeve body
End inside, makes the internal diameter of lower sleeve ontology constantly reduce with the increase of depth, matches with the outer diameter of reinforcing bar to be connect,
Realization positions reinforcing bar to be connected.
The reinforcing steel bar connecting device of a kind of self-locking prefabricated member, it is characterised in that sleeve cap includes sleeve cap sheet
Body, interior be equipped with of sleeve cap ontology are equipped with locating slot b with the matched screw thread c of screw thread b, sleeve cap ontology upper end, and locating slot b makes sleeve
The internal diameter of cap ontology constantly reduces with the increase of depth, matches with the outer diameter of reinforcing bar to be connect, and realization, which positions, to be waited connecting
Reinforcing bar.
The reinforcing steel bar connecting device of a kind of self-locking prefabricated member, it is characterised in that supporting bar section is arc knot
Structure, outer wall radian size are matched with protection sleeve lining radian, inner wall radian size and round limiting bracket and elastic card
Ring element outer wall radian matches.
The application method of the reinforcing steel bar connecting device of the self-locking prefabricated member, it is characterised in that include the following steps：
1）Preparation：It is fixed, then installed to protection by shop bolt after snap ring component, round limiting bracket are assembled
In the inner cavity of sleeve and sleeve cap, shop bolt is threadably secured with protection sleeve；
2）Connect the first reinforcing bar：The located slot b of first reinforcing bar ontology is inserted into from protection sleeve upper end in protection sleeve, due to protecting
The arc slot direction of upper and lower section semilune snap ring entity is on the contrary, the arc slot of protection sleeve upper semisection is open in pretective sleeve pipe
Upwards, when the first reinforcing bar body bottom portion is inserted into the middle part of supporting bar, stopped by the opposite arc slot of the opening at the top of hypomere,
First reinforcing bar reaches designated position, then corresponding semilune snap ring entity rebounds and is filled into the under the effect of arc spring lamination elastic force
In one reinforcing bar socket joint cavity a, the first bar connecting is in place；
3）Connect the second reinforcing bar：The located slot a of second reinforcing bar ontology is inserted into from protection sleeve lower end in protection sleeve, due to protecting
The arc slot direction of upper and lower section semilune snap ring entity is on the contrary, the arc slot of protection sleeve lower semisection is open in pretective sleeve pipe
Downwards, reach designated position when the second reinforcing bar body upper end, which is inserted to, to be contacted with the first reinforcing bar lower end, then in arc spring lamination
Under elastic force effect, corresponding semilune snap ring entity rebounds and is filled into the corresponding socket joint cavity b of the second reinforcing bar, realizes first
The connection of second reinforcing bar of reinforcing bar.
By using above-mentioned technology, compared with prior art, the invention has the advantages that：
1）The present invention passes through the round limiting bracket of installation and snap ring structure in the protective case that protection sleeve and sleeve cap are constituted
Part, snap ring component are inserted in adjacent circular limiting bracket, and, for midpoint, to be protected in the middle part of the supporting bar of round limiting bracket
On the one hand the arc slot direction of the snap ring component at pretective sleeve pipe both ends is on the contrary, be convenient for the insertion of reinforcing bar, on the other hand energy is right
The reinforcing bar to be connected being inserted into is limited, and prevents an end bar to be inserted into long, and another end bar is inserted into too short and influences its connection
Effect, and the snap ring component of the present invention is made of multilayer elastic snap ring component, can reduce stress collection with Topical Dispersion stress
In phenomenon, to achieve the purpose that increase the service using life；
2）The attachment device of the present invention is simply assembled by snap ring component, round limiting bracket and protection sleeve, is not necessarily to
Pre-buried internal component is simple to manufacture, is of low cost, being conducive to produce in batches and promote the use of；
3）First reinforcing bar and the second reinforcing bar need to be only inserted into protection sleeve by the device of the invention when in use, by snap ring structure
Part pops up, and is caught in socket joint cavity, you can the connection for completing two reinforcing bars, without manually carrying out second tightening, shortening the construction period, saving
It is cost, environmentally protective, it disclosure satisfy that the construction requirement of assembled architecture.
Description of the drawings
Fig. 1 is the structural schematic diagram of snap ring connector；
Fig. 2 is the combining structure schematic diagram of snap ring component；
Fig. 3 is the planar structure schematic diagram of spacing ring；
Fig. 4 is the schematic view of facade structure of round limiting bracket；
Fig. 5 is the planar structure schematic diagram of shop bolt；
Fig. 6 is the seperated sectional view by protection sleeve and the branch sleeve that sleeve cap connects and composes；
Fig. 7 is the elevation of the branch sleeve connected and composed by protection sleeve and sleeve cap；
Fig. 8 is the sectional view of reinforcing steel bar connecting sleeve tube entirety；
Fig. 9 is the elevation of reinforcing steel bar connecting sleeve tube entirety；
Figure 10 is the overall schematic of reinforcing steel bar connecting device.
In figure：1- snap rings component, 11- semilune snap rings entity, 12- arc slots, 13- preformed hole a, 14- arcs
Shrapnel, 2- circles limiting bracket, 21- spacing rings, 22- preformed hole b, 23- supporting bar, 3- shop bolts, 31- pin shanks, 32-
Lug cap, 33- screw threads a, 4- protection sleeve, 41- sleeve bodies, 42- locating slot a, 43- screw thread b, 5- sleeve cap, 51- sleeve caps
Ontology, the first reinforcing bar of 52- screw thread c, 53- locating slots b, 6-, the first reinforcing bars of 61- ontology, the second reinforcing bar of 62- socket joint cavitys a, 7-,
The second reinforcing bars of 71- ontology, 72- socket joint cavitys b.
Specific implementation mode
Illustrate the implementation of the present invention below by way of specific specific example, those skilled in the art can be by following interior
Hold other advantages and effect that will readily appreciate that the present invention.
As shown in Fig. 1-Figure 10, a kind of reinforcing steel bar connecting device of self-locking prefabricated member of the invention, including matching connection
Protection sleeve 4 and sleeve cap 5, protect sleeve 4 and the connection of sleeve cap 5 to form branch sleeve, protect sleeve 4 and sleeve cap 5
Be equipped with round limiting bracket 2 and snap ring component 1 in cavity, the circle limiting bracket 2 include two supporting bars 23 and
The spacing ring 21 being arranged at intervals in supporting bar 23, preformed hole b22 is arranged on spacing ring 21, and snap ring component 1 wraps
Several groups snap ring connector is included, the snap ring connector is obtained by two semilune snap ring entities 11 are symmetrically placed
It arrives, 11 inner wall of semilune snap ring entity opens up arc slot 12, and outer wall cooperation is equipped with arc spring lamination 14, arc spring lamination 14 and half a month
There are gaps, 11 end of semilune snap ring entity to be equipped with preformed hole a13, snap ring connector between 11 outer wall of shape snap ring entity
It is arranged on the gap between two neighboring spacing ring 21, and with 23 middle part of supporting bar for midpoint, from 23 midpoint of supporting bar
To both ends endpoint, the placement direction of snap ring connector is on the contrary, arc slot 12 is symmetric, and shop bolt 3 is by pre-
Round limiting bracket 2 and snap ring component 1 are fixed on the sky of protection sleeve 4 and sleeve cap 5 by the a13 and preformed hole b22 that boxes out
In chamber, the first reinforcing bar 6 and 7 end of the second reinforcing bar are inserted into round limiting bracket 2 from protection sleeve 4 and 5 outer end of sleeve cap respectively
Middle part is clamped by snap ring component 1, realizes steel bar end connection.
Further, as shown in Figs. 1-2, the snap ring component 1 is by semilune snap ring entity 11, arc slot
12, preformed hole a13, arc spring lamination 14 form, semilune snap ring entity 11, are half moon stainless steel solid component, bending
Radian and the outer diameter of the first reinforcing bar 6 to be connect, the second reinforcing bar 7 match use, and the two semilune snap ring entities 11 in left and right can
To be assembled into an annulus shape；The setting of arc slot 12 is in 11 inside of semilune snap ring entity, to be in the middle part of supporting bar 23
Midpoint, obliquely, the arc slot 12 of lower half is open obliquely the opening of arc slot 12 of 23 first half of supporting bar, circular arc
12 function of skewed slot is, when longitudinal extruding of the semilune snap ring entity 11 by external connection reinforcing bar, the presence of arc slot 12
Longitudinal extruding force can be made to be converted into lateral extruding force；The one end in semilune snap ring entity 11 is arranged in preformed hole a13
Position, function are, when longitudinal extruding of the semilune snap ring entity 11 by external connection reinforcing bar, semilune snap ring entity 11
Preformed hole a13 center rotatings can be surrounded；14 flaky bow-shaped structural of arc spring lamination, is fixed on outside semilune snap ring entity 11
Side, function be, when semilune snap ring entity 11 is squeezed by external connection reinforcing bar longitudinal, can provide lateral anti-
Active force allows semilune snap ring entity 11 to be rotated backward around the centers preformed hole a13.
As shown in Figure 3-4, the round limiting bracket 2 is made of spacing ring 21, preformed hole b22, supporting bar 23.Institute
The spacing ring 21 stated is circular annular component, and inner diameter size, which meets to match with reinforcing bar to be connect, to be used, and multiple spacing rings 21 are in
It is spaced apart up and down, interval is the thickness of semilune snap ring entity 11 apart from size, and function is that it is real to limit semilune snap ring
The transverse movement direction of body 11；Preformed hole b22, is symmetrically distributed on each spacing ring 21 totally by two, inner diameter size with it is reserved
The internal diameter of hole a13 is identical；Supporting bar 23 is in vertical bar shape, and section is arc, and arc size is matched with spacing ring 21,
Supporting bar 23 is integrally formed with spacing ring 21 or seperated molding, and function is that the spacing of each spacing ring 21 is made just to be half
The thickness of month shape snap ring entity 11, and by multiple spacing rings 21 formed one it is fixed whole.
As shown in figure 5, the shop bolt 3 is made of pin shank 31, lug cap 32, screw thread 33, pin shank 31 is
Cylindrical rod piece, outer diameter are sized to be slightly smaller than the internal diameter of preformed hole a13 and preformed hole b22；Lug cap 32 is fixed on pin shank 31
Upper end, be in roundlet pie, diameter be slightly larger than pin shank 31 outer diameter, it acts as, during 31 use of pin shank, prevent
Shotpin nail rod 31 is to bottom offset；Screw thread a33 is preset in the lower end of pin shank 31, and it acts as the positions of fixed pin nail rod 31.
As illustrated in figures 6-10, the protection sleeve 4 is made of sleeve body 41, locating slot a42, screw thread b43, sleeve sheet
Body 41 is hollow cylinder shape, and cylinder internal diameter is slightly larger than the outer diameter of spacing ring 21, and height meets the height with round limiting bracket 2
Matching uses, and function is to limit the lateral displacement of shrapnel 14, protects and limits round limiting bracket 2；Locating slot a42, setting
In 41 lower end inside of sleeve body, make the internal diameter of lower sleeve ontology, constantly reduce with the increase of depth, with steel to be connect
The outer diameter of muscle matches use, achievees the purpose that position reinforcing bar to be connected；The contracting in 41 upper end of sleeve body is arranged in screw thread b43
Outside at neck, main function is to achieve the purpose that threaded connection；Sleeve cap 5 is by sleeve cap ontology 51, screw thread c 52, positioning
Slot b 53 is formed；Sleeve cap ontology 51 is in finger ring shape, and size matches use with protection sleeve 4, and screw thread c 52 is distributed in set
The lower end inside of cylinder cap ontology 51, mainly matches use with the screw thread b43 of protection sleeve 4, and locating slot b53 is arranged in sleeve cap 5
On the inside of upper end, makes the internal diameter of sleeve cap 5, constantly reduce with the increase of depth, matching with the outer diameter of reinforcing bar to be connect makes
With achieving the purpose that position reinforcing bar to be connected.
As shown in Figure 10, the first reinforcing bar 6 is made of the first reinforcing bar ontology 61 and socket joint cavity a62, the first reinforcing bar ontology
61 be the end of reinforcing bar to be connected, and main function is to carry out docking with attachment device to connect, and socket joint cavity a62 equidistantly distributeds exist
The depth of the lower end of first reinforcing bar ontology 61, cavity can be just filled with semilune snap ring entity 11, satisfaction and half a month
The matching of shape snap ring entity 11 uses；Second reinforcing bar 7 is made of the second reinforcing bar ontology 71 and socket joint cavity b72, the second reinforcing bar sheet
Body 71 is the end of other one reinforcing bar to be connected, and main function is to carry out docking with attachment device to connect, between socket joint cavity b72 etc.
Away from the upper end for being distributed in the second reinforcing bar ontology 71, the depth of cavity can be just filled with semilune snap ring entity 11, full
Foot matches use with semilune snap ring entity 11.
As shown, the bar connecting application method based on reinforcing steel bar connecting device of the present invention, includes the following steps：
1）Preparation：Fixed by shop bolt 3 after snap ring component 1, round limiting bracket 2 are assembled, then install to
In the inner cavity for protecting sleeve 4 and sleeve cap 5, shop bolt 3 is threadably secured with protection sleeve 4；
2）Connect the first reinforcing bar 6：First reinforcing bar ontology, 61 located slot b53 is inserted into protection sleeve 4 from 4 upper end of protection sleeve
In, since 12 direction of arc slot of this section of semilune snap ring entity 11 is downward, stopped by semilune snap ring entity 11 when being inserted into
When reach designated position, so that semilune snap ring entity 11 is stuffed entirely with into the socket joint cavity a62 of the first reinforcing bar 6；
3）Connect the second reinforcing bar 7：Second reinforcing bar ontology, 71 located slot a42 is inserted into protection sleeve 4 from 4 lower end of protection sleeve
In, since 12 direction of arc slot of this section of semilune snap ring entity 11 is upward, stopped by semilune snap ring entity 11 when being inserted into
When reach designated position, so that semilune snap ring entity 11 is stuffed entirely with into the socket joint cavity b72 of the second reinforcing bar 7, realize first
The connection of second reinforcing bar 7 of reinforcing bar 6.
Claims (10)
1. a kind of reinforcing steel bar connecting device of self-locking prefabricated member includes the protection sleeve of matching connection（4）And sleeve cap（5）,
It is characterized in that protection sleeve（4）And sleeve cap（5）Cavity in be equipped with round limiting bracket（2）With snap ring component（1）,
The circle limiting bracket（2）Including two supporting bars（23）And it is arranged at intervals on supporting bar（23）On spacing ring
（21）, spacing ring（21）On be arranged with preformed hole b（22）, snap ring component（1）Including several groups snap ring connector,
The snap ring connector is by two semilune snap ring entities（11）It is symmetrically placed to obtain, semilune snap ring entity（11）It is interior
Wall opens up arc slot（12）, outer wall cooperation is equipped with arc spring lamination（14）, arc spring lamination（14）With semilune snap ring entity（11）
There are gap, semilune snap ring entities between outer wall（11）End is equipped with preformed hole a（13）, the setting of snap ring connector is in phase
Adjacent two spacing rings（21）Between gap on, and with supporting bar（23）Middle part is midpoint, from supporting bar（23）Midpoint is extremely
Both ends endpoint, the placement direction of snap ring connector is on the contrary, arc slot（12）It is symmetric, shop bolt（3）Pass through
Preformed hole a（13）With preformed hole b（22）By round limiting bracket（2）With snap ring component（1）It is fixed on protection sleeve（4）With
Sleeve cap（5）Cavity in, the first reinforcing bar（6）With the second reinforcing bar（7）End is respectively from protection sleeve（4）And sleeve cap（5）Outside
End is inserted into round limiting bracket（2）Middle part, by snap ring component（1）Steel bar end connection is realized in clamping.
2. a kind of reinforcing steel bar connecting device of self-locking prefabricated member according to claim 1, it is characterised in that spacing ring
（21）For circular annular component, inner diameter size and the first reinforcing bar（6）, the second reinforcing bar（7）Matching uses, multiple spacing rings（21）
In being spaced apart up and down, interval apart from size be semilune snap ring entity（11）Thickness；Preformed hole b（22）It is symmetrically distributed in
Each spacing ring（21）Both sides, inner diameter size and preformed hole a（13）Internal diameter is identical.
3. a kind of reinforcing steel bar connecting device of self-locking prefabricated member according to claim 1, it is characterised in that shop bolt
（3）Including pin shank（31）, pin shank（31）Lug cap is respectively set in both ends（32）With screw thread a（33）, pin shank（31）Outer diameter
Size and preformed hole a（13）, preformed hole b（22）Internal diameter matching.
4. a kind of reinforcing steel bar connecting device of self-locking prefabricated member according to claim 1, it is characterised in that protection sleeve
（4）Bottom is equipped with and shop bolt（3）Matched two threaded holes, top is equipped with and sleeve cap（5）The matched outer spiral shell of internal thread
Line protects sleeve（4）Top, bottom respectively with shop bolt（3）The screw thread a of bottom（33）With sleeve cap（5）It is threadedly coupled.
5. a kind of reinforcing steel bar connecting device of self-locking prefabricated member according to claim 1, it is characterised in that the first reinforcing bar
（6）Including the first reinforcing bar ontology（61）, the first reinforcing bar ontology（61）End is equidistantly equipped with one group of socket joint cavity a（62）, described
The second reinforcing bar（7）Including the second reinforcing bar ontology（71）, the second reinforcing bar ontology（71）End is equidistantly equipped with one group of socket joint cavity b
（72）, socket joint cavity a（62）, socket joint cavity b（72）Depth and semilune snap ring entity（11）Matching, after reinforcing bar insertion,
Semilune snap ring entity（11）It rebounds and fills into corresponding socket joint cavity.
6. a kind of reinforcing steel bar connecting device of self-locking prefabricated member according to claim 1, it is characterised in that with supporting rod
Part（23）Middle part is midpoint, supporting bar（23）The arc slot of the first half（12）It is open obliquely, the arc slot of lower half
（12）Opening is obliquely；Preformed hole a（13）It is arranged in semilune snap ring entity（11）One end, reinforcing bar be inserted into when, semilune
Snap ring entity（11）When being squeezed by the longitudinal direction of external reinforcing bar, semilune snap ring entity（11）Preformed hole a can be surrounded（13）Center
Rotation, to arc spring lamination（14）Outwardly against.
7. a kind of reinforcing steel bar connecting device of self-locking prefabricated member according to claim 1, it is characterised in that protection sleeve
（4）By sleeve body（41）, locating slot a（42）, screw thread b（43）Composition, sleeve body（41）For hollow cylinder shape, in cylinder
Diameter is more than spacing ring（21）Outer diameter, highly with round limiting bracket（2）Matched, protect sleeve（4）For restriction arc
Shape shrapnel（14）Lateral displacement；Locating slot a（42）It is arranged in sleeve body（41）Lower end inside makes lower sleeve ontology（41）
Internal diameter constantly reduce with the increase of depth, match with the outer diameter of reinforcing bar to be connect, realization position reinforcing bar to be connected.
8. a kind of reinforcing steel bar connecting device of self-locking prefabricated member according to claim 7, it is characterised in that sleeve cap（5）
Including sleeve cap ontology（51）, sleeve cap ontology（51）It is interior to be equipped with and screw thread b（43）Matched screw thread c（52）, sleeve cap ontology
（51）Upper end is equipped with locating slot b（53）, locating slot b（53）Make sleeve cap ontology（51）Internal diameter it is continuous with the increase of depth
Reduce, match with the outer diameter of reinforcing bar to be connect, realization positions reinforcing bar to be connected.
9. a kind of reinforcing steel bar connecting device of self-locking prefabricated member according to claim 7, it is characterised in that supporting bar
（23）Section is arcuate structure, outer wall radian size and protection sleeve（4）Inner wall radian matches, inner wall radian size and circle
Shape limiting bracket（2）With snap ring component（1）Outer wall radian matches.
10. a kind of application method of the reinforcing steel bar connecting device of self-locking prefabricated member according to claim 7, feature exist
In including the following steps：
1）Preparation：By snap ring component（1）, round limiting bracket（2）By shop bolt after assembling（3）It is fixed, then
Installation extremely protection sleeve（4）And sleeve cap（5）Inner cavity in, shop bolt（3）With protection sleeve（4）It is threadably secured；
2）Connect the first reinforcing bar（6）：By the first reinforcing bar ontology（61）Located slot b（53）From protection sleeve（4）Upper end, which is inserted into, to be protected
Pretective sleeve pipe（4）In, due to protecting sleeve（4）Interior upper and lower section semilune snap ring entity（11）Arc slot（12）Direction on the contrary,
Protect sleeve（4）The arc slot of upper semisection（12）Opening upwards, when the first reinforcing bar ontology（61）Bottom is inserted into supporting bar
（23）When middle part, by the opposite arc slot of the opening at the top of hypomere（12）Blocking, the first reinforcing bar（6）Reach designated position, then
In arc spring lamination（14）Corresponding semilune snap ring entity under elastic force effect（11）It rebounds and is filled into the first reinforcing bar（6）Socket joint is empty
Chamber a（62）It is interior, the first reinforcing bar（6）Connection is in place；
3）Connect the second reinforcing bar（7）：By the second reinforcing bar ontology（71）Located slot a（42）From protection sleeve（4）Lower end, which is inserted into, to be protected
Pretective sleeve pipe（4）In, due to protecting sleeve（4）Interior upper and lower section semilune snap ring entity（11）Arc slot（12）Direction on the contrary,
Protect sleeve（4）The arc slot of lower semisection（12）Open Side Down, when the second reinforcing bar ontology（71）Upper end is inserted to and the first steel
Muscle（6）Lower end reaches designated position when contacting, then in arc spring lamination（14）Under elastic force effect, corresponding semilune snap ring entity
（11）It rebounds and is filled into the second reinforcing bar（7）Corresponding socket joint cavity b（72）It is interior, realize the first reinforcing bar（6）The second reinforcing bar（7）
Connection.
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| CN201810090126.0A CN108412133B (en) | 2018-01-30 | 2018-01-30 | Reinforcing steel bar connecting device of self-locking assembly type component and using method thereof |
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| CN108412133B CN108412133B (en) | 2023-07-18 |
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| CN111005501A (en) * | 2019-09-27 | 2020-04-14 | 卢俊仁 | Auxiliary device for connecting and positioning steel bars |
| CN111058571A (en) * | 2019-12-03 | 2020-04-24 | 中交第四公路工程局有限公司 | Fabricated grouting sleeve with steel bar positioning guide groove and manufacturing method |
| CN112127550A (en) * | 2020-09-22 | 2020-12-25 | 湖南汇渠建筑科技有限公司 | Assembly type building component steel bar connecting sleeve assembly |
| CN112942687A (en) * | 2021-03-29 | 2021-06-11 | 中建八局第二建设有限公司 | Portable linkage gear device for quickly connecting steel bar sleeves |
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|---|---|
| CN108412133B (en) | 2023-07-18 |
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