CN207003837U - A kind of reinforcing bar connector of precast concrete docking - Google Patents

A kind of reinforcing bar connector of precast concrete docking Download PDF

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Publication number
CN207003837U
CN207003837U CN201720960305.6U CN201720960305U CN207003837U CN 207003837 U CN207003837 U CN 207003837U CN 201720960305 U CN201720960305 U CN 201720960305U CN 207003837 U CN207003837 U CN 207003837U
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CN
China
Prior art keywords
hook
reinforcing bar
docking
rod
screw lock
Prior art date
Application number
CN201720960305.6U
Other languages
Chinese (zh)
Inventor
王力
Original Assignee
上海安投机械配件有限公司
王力
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Filing date
Publication date
Priority to CN201720122126 priority Critical
Priority to CN2017201221265 priority
Application filed by 上海安投机械配件有限公司, 王力 filed Critical 上海安投机械配件有限公司
Application granted granted Critical
Publication of CN207003837U publication Critical patent/CN207003837U/en

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Abstract

The utility model discloses a kind of reinforcing bar connector of precast concrete docking, reinforcing bar connector is made up of anti-return nut, hook-type lockset, string circle, butterfly fagging and screw lock connecting rod.When the hook-type lockset installed in groove and branch sleeve in the middle part of screw lock connecting rod is buckled together, the reinforcing bar of two precast concretes is connected.Liquid high-strength adhesive is poured into being put into the sleeve of reinforcing bar connector, after inserting screw lock connecting rod, unnecessary adhesive will be overflowed, and after adhesive solidification, screw lock connector and sleeve are bonded into an entirety.The concrete on joint face also use adhesive bonding simultaneously, solves the long operating times such as traditional connection end plate weld, overlap joint and bolt, joint cost height and the problems such as strength of joint is unreliable.Workable, component assembling degree height of the utility model construction, construction operation efficiency high, saving engineering material, low engineering cost, engineering construction work well.

Description

A kind of reinforcing bar connector of precast concrete docking
Technical field
Technical field of civil engineering is the utility model is related to, relates in particular to a kind of company of precast concrete reinforcing bar Binding structure.
Background technology
Assembled architecture, it is important to which precast member for reinforcing bar concrete waits strong ties.Realize etc. strong ties must make by Advocate muscle docking.Make the quick slitless connection of precast reinforced concrete structure, it is impossible to stress cage bar is exposed, 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 Add larger workload, and extend the construction period, improve construction costs, be not carried out building structure truly Quick assembling, it is difficult to improve its assembly rate.
Existing frequently-used reinforcing bar is plugged into, and is in the external docking of component, such as colligation, welding and mechanical connection.Only The steel reinforcement abutting joints of precast reinforced concrete structure in vivo are realized, efficient assembling could be realized.
Through retrieving,《A kind of prefabricated components connector and the precast concrete docking structure [application number being made up of it: CN201020550659.1] patent, including small nut, inserted link, mesopore nut, big nut, big nut bottom be provided with hole, rod iron Heading is stuck in it, and spring is located in big nut and spring one end touches with heading, the other end and split collar touch, in described 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 form, its plug bottom area of a circle be more than with It, which is integrated slotting neck diameter and forms ring in plug bottom, inserts neck chuck;The inserted link grafting body spins with small nut.
But the patent existing defects, for example in connection procedure, split collar provides support by spring, when inserted link inserts 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 the push of split collar in place, cause connection effect unreliable, the connection that the docking for tension (resistance to plucking) component provides Power is relatively low, it is difficult to meets requirement of engineering.
For patent《A kind of snap ring connector》(application number CN201610546188.9), including attaching nut and clamping spiral shell Mother, a plug connector is bolted with described attaching nut, and 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 above snap ring assemblies and can form backstop to snap ring assemblies, When plug connector is inserted into snap ring assemblies, described plug connector is formed with snap ring assemblies and is engaged by clamping.
But snap ring assemblies, it can radially expand large-sized card ring under external force, make to be set in card ring outer wall It is upper it is flexible 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 for overcoming intermediate nut and packing ring to act on card ring biend is highly difficult, that is to say, that The elastic acting force of snap ring fixture is difficult the movement of card ring is embedded into the chuck of plug connector, or is clicked into place, and illustrates this Kind connection is insecure.
Utility model content
The purpose of this utility model is the problem of presence for reinforcing bar connector in existing precast concrete body, there is provided A kind of reinforcing bar connector of precast concrete docking simple in construction, connection is reliable, easy to operate.
To reach above-mentioned purpose, the technical solution adopted in the utility model 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, it 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 are 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 rotates around string circle during docking;The end set of big sleeve There is an 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 and sleeve of anti-return nut lower end, and hook-type lockset top has oblique Face, its inclination angle match with anti-return nut lower end conical inclination.
Further, hook-type lockset is made up of multiple arcs hooked scarf, and hollow columnar is assembled into by going here and there circle.
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 It is provided with groove 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, chamfering is provided with the inside of anti-return nut aperture, anti-return nut end face is provided with flat recess.
Further, the big sleeve bottom sets a dish-shaped fagging, and dish-shaped fagging is located at hook-type lockset lower end, dish-shaped fagging On be distributed with open slot, 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.
The utility model site operation is workable, component assembling degree is high, efficiency of assembling is high, ensure that connection Reliability, reduces the cost of prefabricated components connection, and engineering construction works well.
Brief description of the drawings
Fig. 1, reinforcing bar the connector schematic diagram of organization plan one
Fig. 2, reinforcing bar the connector schematic diagram of organization plan two
Fig. 3, precast concrete docking concept one reinforcing bar connector assembling positioning profile
Fig. 4, precast concrete docking concept one reinforcing bar connector assembling process profile
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
Fig. 9, precast concrete docking concept two reinforcing bar connector assembling positioning profile
Figure 10, precast concrete docking concept two reinforcing bar connector assembling process profile
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, more reinforcing bars of precast concrete docking are plugged into process schematic
In figure:On 1- save prefabricated component, 2- reinforcing bars, 3- screw locks connecting rod, 4- small sleeves, 5- anti-return nuts, the big sleeves of 6--, Prefabricated component, 9- strings circle are saved under 7- hook-types lockset, 8-, 10- dishes fagging, 11-high-strength bonding agent, is distributed in 12- dish blade Flat recess, 14- alignment pins screw, 15- alignment pins, 16- positioning pin jack, the long pin of 71- on open slot, 13-anti-return nut Toe.
Embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
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 connect, 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 distribution flat recess, 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, be made up of, be connected on an elasticity string circle 9 the arc block of multiple buckles, it is assembled after into Hollow cylindrical.
Described screw lock connecting rod 3, upper end are a screw rods, are distributed a groove at middle part, lower end is in cone;
Described big sleeve 6 is to be used to connect stress main reinforcement, and 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, it is first by one end of screw lock connecting rod 3 and bar connecting, institute in a prefabricated component Reinforcing bar is stated 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 of 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 of hook-type lockset is embedded into 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 one 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, is moved radially outwards its lower end, hook-type lockset Upper end just move radially inwardly, while the dop of hook-type lockset is embedded into the groove of screw lock connecting rod, just make prefabricated The reinforcing bar of component is connected.
During two prefabricated components connection, 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 inserting 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 when there is more reinforcing bars to need while connect on interface, more than one positioning need to be set on joint face Sell screw 14 and positioning pin jack 16;Alignment pin 15 is screwed into alignment pin screw;And the alignment pin that will need to connect two components After 15 are aligned with positioning pin jack 16, a component is shifted near into another component and compressed, needs what is connected in this two components Reinforcing bar will all plug into together.Specific package assembly is as follows:
First screw lock connecting rod 3 and the screw thread of small sleeve 4 are screwed together;Then dish-shaped fagging 10 is put by shown position Enter into 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 into big sleeve 6;
Next, it is embedded in Flathead screwdriver in the flat recess 13 of anti-return nut 5, such as Fig. 7, easily anti-return nut 5 are screwed into big sleeve 6, and the lower end inclined-plane of anti-return nut is in 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, screw lock connecting rod 3 is inserted 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 carries conical termination, anti-return nut 5 has a chamfering, so that screw lock connects Extension bar 3 is when inserting anti-return nut 5, 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 among anti-return nut 5, spiral shell The diameter of lock connecting rod 3 is gradually increased upwards by termination, and just the protuberance with hook-type lockset 7 is collided, and extrudes hook-type lockset 7 Upper end is moved radially outwards, while the lower end of hook-type lockset 7 moves radially inwardly, and 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 increases, and promotes the lower end of hook-type lockset 7 to be moved radially outwards, while the upper end of hook-type lockset 7 is moved radially inward It is dynamic, the gib head of hook-type lockset 7 is embedded into the groove among 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 carries conical termination, anti-return nut 5 has a chamfering, so that screw lock connects Extension bar 3 is when inserting anti-return nut 5, 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 among anti-return nut 5, The diameter of screw lock connecting rod 3 is gradually increased upwards by termination, and just the protuberance with the hook-type lockset 71 of long toe is collided, 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 9 have the function of the rotary shaft of hook-type lockset 71 of 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, makes it Lower end is moved radially outwards, and the upper end with the hook-type lockset 71 of duration toe moves radially inwardly, and makes the hook-type of long toe The gib head of lockset 71 is embedded into the groove among screw lock connecting rod 3, so that the hook-type lockset 71 of long toe is connected with screw lock Bar 3 locks 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 realize small sleeve 4 connection reinforcing bar 2 be connected with the reinforcing bar 2 of big sleeve connection it is integral.
Before screw lock connecting rod 3 is inserted, the high-strength bonding agent 11 of liquid has been filled in big sleeve 6.When screw lock connecting rod 3 After inserting and being latched in place with hook-type lockset 7, unnecessary high-strength bonding agent 11 is extruded, while is connect in big sleeve 6 with 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 Plugged into reinforcing bar and gap be not present between device assembly,
Such 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) be higher than precast concrete body intensity, need to by concrete surface it is high-strength bonding and by Muscle of advocating connects one by one, therefore, the high-strength bonding agent 11 of liquid is precoated on concrete surface, by the stress of prefabricated concrete elements Cage bar connects 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 more reinforcing bars to need connection on joint face, need to be set on joint face More than one alignment pin screw 14 and positioning pin jack 16;Alignment pin 15 is screwed into alignment pin screw;And two need to be connected After the alignment pin 15 of individual component is aligned with positioning pin jack 16, a component is shifted near into another component and compressed, this two structures The reinforcing bar for needing to connect in part will all plug into together.
Compared with prior art, the utility model has the advantage of:Eliminate the bullet that snap ring assemblies are carried out with axially position Spring, solving snap ring assemblies in connection procedure, in the presence of the problem departed from intermediate nut, makes snap ring assemblies axially remain position Fixation is put, is not in connection failure, so as to improve the reliability of prefabricated concrete elements connection.
Also have in addition, compared with prior art, the advantages of the utility model:Intermediate nut and packing ring are solved to card ring Biend effect resistance is larger, causes the elasticity of snap ring fixture card ring can not be made to reset the difficulty being embedded into plug connector chuck Topic.It is smaller to card ring biend effect resistance also to solve intermediate nut and packing ring simultaneously, makes to exist between snap ring fixture Larger gap influence the difficulty of contact strength, and solve after connection and the problem that is opened, substantially increase concrete Native part bonding strength and the security of connection.
Embodiment described herein is only to the utility model thought explanation for example.The utility model Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or using class As mode substitute, but without departing from essence of the present utility model 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, Big sleeve 6, hook-type lockset 7, lower section prefabricated component 8, string circle 8, dish-shaped fagging 10, bonding agent 11, the opening being distributed in 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 Use the possibility of other terms.It is used for the purpose of more easily describing and explaining of the present utility model using these terms Matter;Any additional limitation is construed as all to disagree with the utility model spirit.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, the utility model can also on the premise of the spirit and scope of the utility model is not departed from There are various changes and modifications, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model will Protection domain is asked to be defined by appended claims and its equivalent.

Claims (8)

1. a kind of reinforcing bar connector of precast concrete docking, including:It 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, it 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 rotates around string circle during docking;The end set of big sleeve has 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, it is characterized in that, it is 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 For tool between the conical surface and sleeve of anti-return nut lower end, hook-type lockset top has inclined-plane, 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, it is characterized in that, hook-type lock Tool is made up of multiple arcs hooked scarf, and hollow columnar is assembled into by going here and there circle.
4. a kind of reinforcing bar connector of precast concrete docking according to claim 1, it 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 between circular cone termination and cylindrical bar recessed 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, it 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, it is characterized in that, retaining spiral shell Chamfering is provided with the inside of female aperture, 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, it is characterized in that, it is described big Sleeve bottom sets 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, the increase of its external diameter.
8. a kind of reinforcing bar connector of precast concrete docking according to claim 1, it 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.
CN201720960305.6U 2017-02-10 2017-08-03 A kind of reinforcing bar connector of precast concrete docking CN207003837U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201720122126 2017-02-10
CN2017201221265 2017-02-10

Publications (1)

Publication Number Publication Date
CN207003837U true CN207003837U (en) 2018-02-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110145073A (en) * 2019-05-31 2019-08-20 马世强 Exempt from slip casting reinforcing steel bar connecting sleeve tube
WO2020011186A1 (en) * 2018-07-10 2020-01-16 周兆弟 Prefabricated wall and assembly structure for prefabricated building, and construction method therefor
WO2020015601A1 (en) * 2018-07-17 2020-01-23 周兆弟 Building type connecting structural member
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020011186A1 (en) * 2018-07-10 2020-01-16 周兆弟 Prefabricated wall and assembly structure for prefabricated building, and construction method therefor
WO2020015601A1 (en) * 2018-07-17 2020-01-23 周兆弟 Building type connecting structural member
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
CN110145073A (en) * 2019-05-31 2019-08-20 马世强 Exempt from slip casting reinforcing steel bar connecting sleeve tube

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