CN204826424U - Prefabricated assembled steel bar connection device for concrete member - Google Patents
Prefabricated assembled steel bar connection device for concrete member Download PDFInfo
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- CN204826424U CN204826424U CN201520576316.5U CN201520576316U CN204826424U CN 204826424 U CN204826424 U CN 204826424U CN 201520576316 U CN201520576316 U CN 201520576316U CN 204826424 U CN204826424 U CN 204826424U
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- junction plate
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- junction
- steel bar
- prefabricated assembled
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Abstract
The utility model discloses a prefabricated assembled steel bar connection device for concrete member, clamp and a plurality of connecting bolt who all installs on the clamp including lock ring junction between two reinforcing bars, clamp include the outer hoop body and three the lay connecting plate that outward bind round external side of suit on two reinforcing bars, and the outer hoop body is 3 fonts and it is formed by connecting two arcs, a plurality of connecting bolt all install on three connecting plate, and three connecting plate is all that the parallel is laid and be first connecting plate, second connecting plate and third connecting plate respectively, and two are constituteed respectively to the stirrup of two reinforcing bar lock rings to two arcs and third connecting plate, connecting bolt is for carrying out the adjusting bolt that adjusts through adjusting interval between first connecting plate and the second connecting plate to the lock ring degree of two reinforcing bars to two stirrups. The utility model has the advantages of simple structure and reasonable design and processing is makeed and is used easy and simple to handle, economical and practical, can accomplish the steel bar connection process portably, fast and connect reliably.
Description
Technical field
The utility model belongs to prefabricated assembled concrete component technical field of construction, especially relates to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device.
Background technology
Prefabricated assembled concrete component also claims prefabricated assembled concrete structure, and prefabricated assembled concrete is referred to as PC (PrecastConcrete).Prefabricated assembled concrete component take concrete prefabricated element as main member, through the concrete structure that assembling, connection and part are cast-in-place.External concrete prefabricated element and steel concrete are almost started to walk simultaneously, and the industrialization precast unit in Modern Significance just obtains true development before half a century.
Development architectural industrialization is the right-about that architecture production mode is produced from extensive production to intensive style, is inevitable approach and the developing direction of industry modernization.Prefabricated assembled concrete structural system is adopted to be the effective way realizing architectural industrialization.The performance of bar connecting in prefabricated assembled concrete component, the direct overall performance of decision structure and the effect of steel bar force transfer, the performance of bar connecting is the key factor of steel bar force transfer, and bar connecting way choice directly affects speed of application and the cost of building.At present, conventional bar connecting mode has overlap joint connection, extrusion socket joint is connected three kinds with screw shell, during actual use there are some defects in above-mentioned three kinds of connected modes all to some extent, and the application on prefabricated assembled concrete component all has certain limitation.Wherein, when adopting overlap joint connected mode to carry out bar connecting, the length of lap joint is generally between the bar diameter of 40 times ~ 80 times, and reinforcing bar consumption is large; Further, when reinforcing bar is densely distributed, also can causes concrete casting and difficulty of vibrating, make concrete cover became uneven.When adopting extrusion socket joint mode to carry out bar connecting, the extrusion socket joint equipment adopted is heavy, and equipment investment cost is higher, and there is the defects such as bar connecting process is complicated, hand labor intensity is large, connection speed is slow.When adopting screw shell connected mode to carry out bar connecting, to needing the accuracy of alignment of connecting reinforcement to require height, be difficult to when nowadays connecting reach precise alignment, time-consuming.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of prefabricated assembled concrete component reinforcing steel bar connecting device is provided, simple, the reasonable in design and processing and fabricating of its structure and use easy and simple to handle, economical and practical, can complete bar connecting process easy, fast and connect reliable.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of prefabricated assembled concrete component reinforcing steel bar connecting device, it is characterized in that: comprise the clip of lock ring junction between two reinforcing bars and multiple connecting bolt be installed on described clip, described clip is steel clamping band; Described clip comprises and is sleeved on the junction plate that outer hoop body on two described reinforcing bars and three are laid in the external side of outer hoop, described outer hoop body is figure-three and it is formed by connecting by two arcs, two described arcs are respectively the first arc and are positioned at the second arc of described first arc side, and the inner of described first arc and the inner of described second arc connect as one; Multiple described connecting bolt is installed on three described junction plates, three described junction plates all has multiple respectively for the bolt mounting holes that multiple described connecting bolt is installed; Three described junction plates are all in parallel laying and three is respectively the second junction plate that the first junction plate of being connected with the outer end of described first arc is connected with the outer end of described second arc and the 3rd junction plate between the first junction plate and the second junction plate, and the inner of described first arc is all connected with the 3rd junction plate with the inner of the second arc; Two described arc symmetries are laid in the both sides of the 3rd junction plate, lock ring is between two described arcs and the 3rd junction plate respectively for two described reinforcing bars, and two described arcs and the 3rd junction plate form two are carried out lock ring respectively stirrup to two described reinforcing bars; Multiple described connecting bolt is laid from front to back along the length direction of the 3rd junction plate, and described connecting bolt is the adjusting bolt by regulating the spacing between the first junction plate and the second junction plate to regulate the lock ring degree of two described stirrups to two described reinforcing bars.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, is characterized in that: three described junction plates are flat board; Multiple described connecting bolt is all vertical runs with the 3rd junction plate.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, is characterized in that: the thickness of slab d1 of three described junction plates is 7mm ~ 9mm, and described first junction plate and the spacing d2 between the second junction plate and the 3rd junction plate are 9mm ~ 12mm.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, is characterized in that: two described arcs and three described junction plates are cast into one.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, is characterized in that: described bolt mounting holes is internal thread hole; Described connecting bolt comprises screw rod, be fixed on the spiral shell head of described screw rod one end and be arranged on the nut of the described screw rod other end, and the lateral wall of described screw rod is provided with external screw thread from top to bottom; Described spiral shell head is installed on outside the first junction plate, and described nut is installed on outside the second junction plate.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, is characterized in that: described first junction plate and the second junction plate symmetry are laid in the both sides of the 3rd junction plate, and multiple described connecting bolt is all laid on same straight line.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, is characterized in that: the diameter of two described reinforcing bars is identical and the two is parallel laying; Two described arcs and three described junction plates are all laid along the length direction of reinforcing bar, and the length of two described arcs and three described junction plates is 13d ~ 18d, and wherein d is the diameter of reinforcing bar; The identical length of two described arcs and three described junction plates with and its rear and front end homogeneous phase is concordant.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, is characterized in that: the thickness of slab of two described arcs is 0.3d ~ 0.5d and the central angle of the two is 120 ° ~ 160 °.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, it is characterized in that: the internal diameter of two described arcs is all greater than the diameter of reinforcing bar, the inside wall of two described arcs is clamping face, and the inside wall of two described arcs is on corrugated or the two inside wall and is provided with multiple projection.
Above-mentioned prefabricated assembled concrete component reinforcing steel bar connecting device, is characterized in that: two described reinforcing bars are in the vertical vertical reinforcement to laying; Two described arcs and three described junction plates all in vertically to laying, multiple described connecting bolt is all laid in level.
The utility model compared with prior art has the following advantages:
1, structure is simple, reasonable in design and input cost is low.
2, processing and fabricating is easy, primarily of clip and multiple connecting bolt composition be installed on clip of lock ring junction between two reinforcing bars, clip comprises and is sleeved on the junction plate that outer hoop body on two reinforcing bars and three are laid in the external side of outer hoop, outer hoop body is figure-three and it is formed by connecting by two arcs, and multiple connecting bolt is installed on three junction plates.
3, use easy and simple to handle and method of attachment step is simple, reasonable in design, it is convenient to realize and joint efficiency is high, good connecting effect, actual carry out bar connecting before, first unclamp bolt, two reinforcing bars of overlap joint are penetrated in two stirrups respectively from outside to inside, tighten connecting bolt again until the equal lock ring of the link of two reinforcing bars is in two stirrups, complete bar connecting process.Connecting reinforcement under the effect of mechanical snap power with clamp connection integrally, formed reinforcing bar effectively connect.
4, result of use is good and practical value is high, economical and practical, bar connecting process can be completed easy, fast and connect reliable, the easy quick connection realized between reinforcing bar of energy, and allow to there is certain error between prefabricated units reinforcing bar, the accuracy of alignment of reinforcing bar requires low, easy to operate and saving of work and time, and efficiency of construction is high, bonding strength is reliable, has good economic benefit.Thus, the utility model can carry out easy, fast and effectively connect to reinforcing bar, easy to use, switching performance is reliable and efficiency of construction is higher, working procedure obviously reduces, the quick connection of reinforcing bar can be realized, bonding strength is reliable, and effectively can solve existing conventional bar connecting mode has the defect that overlap joint connects, extrusion socket joint is connected these three kinds of connected modes existence with screw shell.
5, widely applicable and popularizing application prospect is extensive, can be applied to the bar connecting in the prefabricated assembled concrete components such as beam, post and wall.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is using state reference diagram of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 2.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is method flow block diagram when adopting the utility model to connect reinforcing bar.
Description of reference numerals:
1-connecting bolt; 2-reinforcing bar; 3-1-outer hoop body;
3-2-the first junction plate; 3-3-the second junction plate; 3-4-the 3rd junction plate.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the utility model comprises the clip of lock ring junction between two reinforcing bars 2 and multiple connecting bolt 1 be installed on described clip, and described clip is steel clamping band.Described clip comprises the outer hoop body 3-1 and three be sleeved on two described reinforcing bars 2 and is laid in junction plate outside outer hoop body 3-1, described outer hoop body 3-1 is figure-three and it is formed by connecting by two arcs, two described arcs are respectively the first arc and are positioned at the second arc of described first arc side, and the inner of described first arc and the inner of described second arc connect as one.Multiple described connecting bolt 1 is installed on three described junction plates, three described junction plates all has multiple respectively for the bolt mounting holes that multiple described connecting bolt 1 is installed.Three described junction plates are all in parallel laying and three is respectively the second junction plate 3-3 that the first junction plate 3-2 of being connected with the outer end of described first arc is connected with the outer end of described second arc and the 3rd junction plate 3-4 between the first junction plate 3-2 and the second junction plate 3-3, and the inner of described first arc is all connected with the 3rd junction plate 3-4 with the inner of the second arc.Two described arc symmetries are laid in the both sides of the 3rd junction plate 3-4, lock ring is between two described arcs and the 3rd junction plate 3-4 respectively for two described reinforcing bars 2, and two described arcs and the 3rd junction plate 3-4 form two are carried out lock ring respectively stirrup to two described reinforcing bars 2.Multiple described connecting bolt 1 is laid from front to back along the length direction of the 3rd junction plate 3-4, and described connecting bolt 1 is the adjusting bolt by regulating the spacing between the first junction plate 3-2 and the second junction plate 3-3 to regulate the lock ring degree of two described stirrups to two described reinforcing bars 2.
In the present embodiment, three described junction plates are flat board.Multiple described connecting bolt 1 is all vertical runs with the 3rd junction plate 3-4.
Actually add man-hour, two described arcs and three described junction plates are cast into one.Further, described clip is shaping by cast iron time processing.
In the present embodiment, described bolt mounting holes is internal thread hole; Described connecting bolt 1 comprises screw rod, be fixed on the spiral shell head of described screw rod one end and be arranged on the nut of the described screw rod other end, and the lateral wall of described screw rod is provided with external screw thread from top to bottom; Described spiral shell head is installed on outside the first junction plate 3-2, and described nut is installed on outside the second junction plate 3-3.
In the present embodiment, described first junction plate 3-2 and the second junction plate 3-3 symmetry is laid in the both sides of the 3rd junction plate 3-4, and multiple described connecting bolt 1 is all laid on same straight line.
In the present embodiment, the quantity of described connecting bolt 1 is two.
Further, the spacing between two described connecting bolts 1 is 9d ~ 11d.
Actually add man-hour, the thickness of slab d1 of three described junction plates is 7mm ~ 9mm, and described first junction plate 3-2 and the spacing d2 between the second junction plate 3-3 and the 3rd junction plate 3-4 is 9mm ~ 12mm.
In the present embodiment, d1=8mm, d2=10mm.Actually add man-hour, can according to specific needs, the value size of d1 and d2 be adjusted accordingly.
Actual when carrying out bar connecting, two reinforcing bars 2 that need connect are also referred to as overlapping reinforcing bar, and two described reinforcing bars 2 are all embedded in the embedded bar in prefabricated assembled concrete component.Before concreting is carried out to prefabricated assembled concrete component, first complete the connection procedure of all reinforcing bars in prefabricated assembled concrete component.
In the present embodiment, two described reinforcing bars 2 are in the vertical vertical reinforcement to laying; Two described arcs and three described junction plates all in vertically to laying, multiple described connecting bolt 1 is all laid in level.
In the present embodiment, two described reinforcing bars 2 are Ribbed Bar.
During actual use, described reinforcing bar 2 also can be plain bar.
In the present embodiment, the internal diameter of two described arcs is all greater than the diameter of reinforcing bar 2, and the inside wall of two described arcs is clamping face, and the inside wall of two described arcs is on corrugated or the two inside wall and is provided with multiple projection.Like this, effectively can increase the frictional force between reinforcing bar 2 and clip, make connection more firmly, reliably.
When the inside wall of two described arcs is corrugated, the inside wall of two described arcs can be zigzag wave line, also can be the ripple of other types such as square wave line, trapezoidal ripple.
In the present embodiment, the inside wall of two described arcs is zigzag ripple, especially when connect after reinforcing bar 1 be subject to dorsad pulling force time, effectively can increase the frictional force between reinforcing bar 2 and clip.
Actually add man-hour, the diameter of two described reinforcing bars 2 is identical and the two is parallel laying; Two described arcs and three described junction plates are all laid along the length direction of reinforcing bar 2, and the length of two described arcs and three described junction plates is 13d ~ 18d, and wherein d is the diameter of reinforcing bar 2; The identical length of two described arcs and three described junction plates with and its rear and front end homogeneous phase is concordant.
Further, the thickness of slab of two described arcs is 0.3d ~ 0.5d and the central angle of the two is 120 ° ~ 160 °.
In the present embodiment, the length of two described arcs and three described junction plates is 18d, and the thickness of slab of two described arcs is 0.4d and the central angle of the two is 135 °.
In the present embodiment, the spacing between two described connecting bolts 1 is 8d, and the distance between two described connecting bolts 1 and the 3rd junction plate 3-4 two ends is 4d.
Actual when using, can according to specific needs, to the quantity of connecting bolt 1 and the corresponding adjustment of installation position of each connecting bolt 1.
Actually add man-hour, can according to specific needs, two described arcs and the length of three described junction plates and the thickness of slab of two described arcs and central angle are adjusted accordingly.
Man-hour is added to described clip, the internal diameter of two described arcs is determined according to the diameter of reinforcing bar 2, can penetrate smoothly in described stirrup meeting reinforcing bar 2, also need to meet the object be locked to two described stirrups and two described reinforcing bars 2 by connecting bolt 1.
As shown in Figure 4, adopt the utility model to when connecting the reinforcing bar 2 laid in prefabricated assembled concrete component, comprise the following steps:
Step one, reinforcing bar penetrate: the link of two reinforcing bars 2 that need connect penetrates in two described stirrups respectively from outside to inside, and make the link termination of two described reinforcing bars 2 all extend out to outside described stirrup;
Step 2, bolt tightening: tighten multiple described connecting bolt 1, until the link difference lock ring of two described reinforcing bars 2 is in two described stirrups, complete bar connecting process.
In the present embodiment, step one carries out reinforcing bar when penetrating, and the length that the link termination of two described reinforcing bars 2 extend out to outside described stirrup is 0.2d ~ d.
During actual use, can according to specific needs, the length that the link termination of two described reinforcing bars 2 extend out to outside described stirrup be adjusted accordingly.
Thus, adopt the utility model when connecting two reinforcing bars 2, only need first be penetrated respectively in two described stirrups by two reinforcing bars 2, the link termination of adjusting reinforcing bar 2 extend out to the length outside stirrup; Afterwards, tighten connecting bolt 1, make to produce mechanical snap power between described stirrup and reinforcing bar 2, complete the mechanical connection between two reinforcing bars 2.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a prefabricated assembled concrete component reinforcing steel bar connecting device, it is characterized in that: comprise the clip of lock ring junction between two reinforcing bars (2) and multiple connecting bolt (1) be installed on described clip, described clip is steel clamping band; Described clip comprises and is sleeved on the junction plates that outer hoop body (3-1) on two described reinforcing bars (2) and three are laid in outer hoop body (3-1) outside, described outer hoop body (3-1) for figure-three and its be formed by connecting by two arcs, two described arcs are respectively the first arc and are positioned at the second arc of described first arc side, and the inner of described first arc and the inner of described second arc connect as one; Multiple described connecting bolt (1) is installed on three described junction plates, three described junction plates all has multiple bolt mounting holes supplying multiple described connecting bolt (1) to install respectively; Three described junction plates are all in parallel laying and three's the 3rd junction plate (3-4) of being respectively the first junction plate (3-2) be connected with the outer end of described first arc, the second junction plate (3-3) be connected with the outer end of described second arc and being positioned between the first junction plate (3-2) and the second junction plate (3-3), and the inner of described first arc and the inner of the second arc are all connected with the 3rd junction plate (3-4); Two described arc symmetries are laid in the both sides of the 3rd junction plate (3-4), lock ring is between two described arcs and the 3rd junction plate (3-4) respectively for two described reinforcing bars (2), and two described arcs and the 3rd junction plate (3-4) form two are carried out lock ring respectively stirrup to two described reinforcing bars (2); Multiple described connecting bolt (1) is laid from front to back along the length direction of the 3rd junction plate (3-4), and described connecting bolt (1) is the adjusting bolt by regulating the spacing between the first junction plate (3-2) and the second junction plate (3-3) to regulate the lock ring degree of two described stirrups to two described reinforcing bars (2).
2., according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device according to claim 1, it is characterized in that: three described junction plates are flat board; Multiple described connecting bolt (1) all with the 3rd junction plate (3-4) in vertical runs.
3. according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device described in claim 1 or 2, it is characterized in that: the thickness of slab d1 of three described junction plates is 7mm ~ 9mm, described first junction plate (3-2) and the spacing d2 between the second junction plate (3-3) and the 3rd junction plate (3-4) are 9mm ~ 12mm.
4. according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device described in claim 1 or 2, it is characterized in that: two described arcs and three described junction plates are cast into one.
5., according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device described in claim 1 or 2, it is characterized in that: described bolt mounting holes is internal thread hole; Described connecting bolt (1) comprises screw rod, be fixed on the spiral shell head of described screw rod one end and be arranged on the nut of the described screw rod other end, and the lateral wall of described screw rod is provided with external screw thread from top to bottom; Described spiral shell head is installed on the first junction plate (3-2) outside, and described nut is installed on the second junction plate (3-3) outside.
6. according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device described in claim 1 or 2, it is characterized in that: described first junction plate (3-2) and the second junction plate (3-3) symmetry are laid in the both sides of the 3rd junction plate (3-4), multiple described connecting bolt (1) is all laid on same straight line.
7. according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device described in claim 1 or 2, it is characterized in that: the diameter of two described reinforcing bars (2) is identical and the two is parallel laying; Two described arcs and three described junction plates are all laid along the length direction of reinforcing bar (2), and the length of two described arcs and three described junction plates is 13d ~ 18d, and wherein d is the diameter of reinforcing bar (2); The identical length of two described arcs and three described junction plates with and its rear and front end homogeneous phase is concordant.
8. according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device according to claim 7, it is characterized in that: the thickness of slab of two described arcs is 0.3d ~ 0.5d and the central angle of the two is 120 ° ~ 160 °.
9. according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device according to claim 7, it is characterized in that: the internal diameter of two described arcs is all greater than the diameter of reinforcing bar (2), the inside wall of two described arcs is clamping face, and the inside wall of two described arcs is on corrugated or the two inside wall and is provided with multiple projection.
10. according to a kind of prefabricated assembled concrete component reinforcing steel bar connecting device described in claim 1 or 2, it is characterized in that: two described reinforcing bars (2) are in the vertical vertical reinforcement to laying; Two described arcs and three described junction plates all in vertically to laying, multiple described connecting bolt (1) is all laid in level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576316.5U CN204826424U (en) | 2015-08-02 | 2015-08-02 | Prefabricated assembled steel bar connection device for concrete member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576316.5U CN204826424U (en) | 2015-08-02 | 2015-08-02 | Prefabricated assembled steel bar connection device for concrete member |
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| CN204826424U true CN204826424U (en) | 2015-12-02 |
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| CN201520576316.5U Expired - Fee Related CN204826424U (en) | 2015-08-02 | 2015-08-02 | Prefabricated assembled steel bar connection device for concrete member |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089206A (en) * | 2015-08-02 | 2015-11-25 | 长安大学 | Steel bar connecting device for precast concrete component and steel bar connecting method for precast concrete component |
| CN110485561A (en) * | 2019-07-15 | 2019-11-22 | 武汉理工大学 | A kind of bolt connection node and its construction method of adjustable prefabricated components length |
| CN112814274A (en) * | 2021-02-02 | 2021-05-18 | 湖南工学院 | Steel pipe concrete composite beam and installation and construction method thereof |
-
2015
- 2015-08-02 CN CN201520576316.5U patent/CN204826424U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089206A (en) * | 2015-08-02 | 2015-11-25 | 长安大学 | Steel bar connecting device for precast concrete component and steel bar connecting method for precast concrete component |
| CN110485561A (en) * | 2019-07-15 | 2019-11-22 | 武汉理工大学 | A kind of bolt connection node and its construction method of adjustable prefabricated components length |
| CN112814274A (en) * | 2021-02-02 | 2021-05-18 | 湖南工学院 | Steel pipe concrete composite beam and installation and construction method thereof |
| CN112814274B (en) * | 2021-02-02 | 2022-06-24 | 湖南工学院 | Steel pipe concrete composite beam and installation and construction method thereof |
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