CN104153518A - Twisted steel butt-jointing structure - Google Patents
Twisted steel butt-jointing structure Download PDFInfo
- Publication number
- CN104153518A CN104153518A CN201410268457.0A CN201410268457A CN104153518A CN 104153518 A CN104153518 A CN 104153518A CN 201410268457 A CN201410268457 A CN 201410268457A CN 104153518 A CN104153518 A CN 104153518A
- Authority
- CN
- China
- Prior art keywords
- indented bars
- screw rod
- accommodating cavity
- connecting screw
- taper type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a twisted steel butt-jointing structure. The twisted steel butt-jointing structure comprises two outer sleeves, two pairs of clamping plates and a connecting screw rod for connecting the two outer sleeves into one body, wherein a frustum-shaped containing cavity is formed inside one end of the outer sleeve, a threaded sleeve in threaded connection with the connecting screw rod is arranged at the other end of the outer sleeve, a pair of upper and lower clamping plates are arranged in the frustum-shaped containing cavity, reinforcing steel bar fixing grooves for clamping a twisted steel are formed on the opposite surfaces of the upper clamping plate and the lower clamping plate, the peripheral surfaces of the upper clamping plate and the lower clamping plate, opposite to the frustum-shaped containing cavity, are conical surfaces, and the conical surfaces are adaptive to the inner wall of the frustum-shaped containing cavity; when the twisted steel butt-jointing structure fixes the twisted steel, the end parts of the connecting screw rod push against the end parts of the twisted steel, stretching out of the reinforcing steel bar fixing grooves, respectively; and the twisted steel butt-jointing structure effectively solves the problems that the twisted steel butt-jointing structure in the prior art easily causes axial loosing and is poor in connecting reliability, has convenience in operation, can meet the site operation requirement and has high practical value.
Description
Technical field
The present invention relates to building iron link technique field, especially relate to a kind of by the indented bars docking structure of two indented bars docking.
Background technology
In architecture production field; often can run into need to be by two interconnective problems of indented bars; conventional art is that the end of two indented barss is welded and fixed together, need to use welding equipment, and job site often need to be in work high above the ground mostly when reinforcing bar welding; be subject to job site spatial limitation; use welding equipment difficulty very large, there is huge potential safety hazard in while electric welding spark etc., and the interface of welding is firm not; get rusty easily, sealing-off, this class technology now substantially forbidding.The indented bars docking of prior art adopts the mode of being spirally connected to carry out conventionally, processes screw thread in the end of reinforcing bar waiting, then the two ends of the end of thread of two reinforcing bars waiting and same long nut (or swivel nut) are spirally connected.Open day is the disclosed a kind of bar splice of patent document that February 7, publication number were CN2866687Y in 2007, within open day, is July 17, publication number in 2013 the disclosed a kind of bar splice special connector of patent document that is CN203066359U and within open day, is the connected mode that the bar splice of February 15, publication number in 2006 the disclosed a kind of quick links of patent document that is CN2758349Y all adopts pre-threaded on reinforcing bar.This mode being threaded needs to process screw thread in the end of reinforcing bar in advance, and thread processing equipment volume is larger, be difficult to use at the scene, simultaneously because reinforcing bar is longer, therefore machining screw wastes time and energy, production efficiency is very low, is especially difficult to meet the actual requirement of job site, has affected construction precision.On the other hand, can make the diameter of reinforcing bar diminish and form stress concentration point in processing place in end reinforced machining screw, thereby having a strong impact on the intensity of reinforcing bar.In addition, be easy to get rusty in processing place through mach reinforcing bar, also affected intensity and the life-span of reinforcing bar.Open day is on January 8th, 2014, publication number is a kind of method that the patent document of CN103498536A discloses crush cones lock set compact form bar splice and connecting reinforcement thereof, the bar splice of described crush cones lock set compact form comprises double-screw bolt, cap nut, tapered sleeve and locking plate, described cap nut is provided with a pair of, a pair of cap nut is back-to-back to be arranged on double-screw bolt, in described each cap nut, be all set with tapered sleeve, and the end face of tapered sleeve exposes in the outside of overcoat nut end face, in described tapered sleeve, locking plate is installed; A pair of cap nut is set, adopts cap nut to screw and be connected with double-screw bolt, thereby make the tapered sleeve of cap nut inside compress locking plate, locking plate and reinforcing bar are fastenedly connected, realize the connection of reinforcing bar; The method of connecting reinforcement adopts pressurizing unit, and tapered sleeve is pushed, and makes to occur gap between cap nut and tapered sleeve, screws afterwards cap nut and double-screw bolt again, eliminates the gap between cap nut and tapered sleeve.Although this structure need to be on reinforcing bar pre-threaded, but be difficult to ensure by clamping its bonding strength of mode of the fixing reinforcing bar of locking plate, the reliability of connection is very poor, in addition, also need to be by special compression bonding apparatus when connection, be therefore difficult to construct at the scene of building site.Open day is on July 2nd, 2003, publication number is that the patent document of CN2558710Y discloses a kind of threaded reinforcing bar joint, adopt the adapter sleeve matching with reinforcing bar periphery, described adapter sleeve is made up of tile clamping plate, adapter sleeve periphery is taper pipe thread, what be mated is the fastening screw nut with identical tapering, by fastening screw nut, tile clamping plate is clamped in to the end of two reinforcing bars, thereby reinforcing bar is connected and fixed.But this threaded reinforcing bar joint only depends on fastening screw nut to carry out radial compaction by tile clamping plate double thread reinforcing bar, two indented barss lack constraint in the axial direction, because the appearance machining accuracy of indented bars is not high, between indented bars and tile clamping plate, can not accomplish accurate cooperation, and between its end face, there is space when two reinforcement installation, therefore, in the time that some occasion reinforcing bar is vibrated or is born alternating stresses (reinforcing bar is axially gone up bidirectional stress), between reinforcing bar and tile clamping plate, easily there is axial play (more easily occurring becoming flexible before especially not completing cement pouring), thereby have a strong impact on the connection reliability of bar splice.In addition, this structure is owing to only using two tile clamping plate, therefore can only connect the indented bars of identical specification, same nominal diameter and cannot docking between the different indented bars of surperficial rib, cannot dock the indented bars of different nominal diameters, therefore the scope of application is wideless yet.
Summary of the invention
The object of the invention is its screw thread processing time consuming effort of indented bars syndeton for solving prior art, production efficiency is low, easily there is axial play in the indented bars syndeton that is difficult to meet site operation requirement and prior art, the problem that connection reliability is poor, applicable surface is wideless and provide a kind of attended operation easy, can meet site operation requirement, the indented bars docking structure that connection reliability is good and widely applicable.
The present invention for the concrete technical scheme that reaches above-mentioned technical purpose and adopt is: a kind of indented bars docking structure, comprise two overcoats, the two pairs of clamping plate and the connecting screw rod for two overcoats are linked into an integrated entity, described overcoat is the column structure of hollow, the inside, one end of overcoat is provided with a taper type accommodating cavity, the miner diameter end of taper type accommodating cavity is communicated with an end face of overcoat, the bigger diameter end of taper type accommodating cavity is extended with the thread bush that can be spirally connected with described connecting screw rod to the other end of overcoat, in taper type accommodating cavity, be provided with a pair of clamping plate, this is made up of the train wheel bridge and the lower plate that are oppositely arranged clamping plate, the opposite face of upper lower plate is provided with the reinforcing bar holddown groove that can clamp an indented bars, the outer peripheral face that train wheel bridge and lower plate are relative with taper type accommodating cavity is taper surface, the inwall of described taper surface and taper type accommodating cavity is suitable, when indented bars docking structure retaining thread reinforcing bar, the end butt of reinforcing bar holddown groove is stretched out respectively in the end of connecting screw rod with indented bars, described taper surface is close to the inwall of taper type accommodating cavity, between train wheel bridge and lower plate, be provided with gap.The present invention by a pair of obvolvent indented bars after the outer peripheral face clamping plate that are taper type clamp indented bars, because the external surface of indented bars is provided with rib, these ribs make can not significantly move between indented bars and reinforcing bar holddown groove after snapping in reinforcing bar holddown groove, again overcoat is set on clamping plate outer peripheral face, clamping plate enter in the taper type accommodating cavity of overcoat one end, then two overcoats are screwed together to (two ends of connecting screw rod are connected with the thread bush in two overcoats respectively) by connecting screw rod.During due to clamping plate obvolvent indented bars, indented bars is through reinforcing bar holddown groove, therefore clamping plate are exposed in the end of indented bars, when connecting screw rod is screwed into after the distance of thread bush one end, the end of indented bars is withstood in the end of connecting screw rod, after this along with connecting screw rod continues to be screwed into, connecting screw rod outwards overlaps indented bars together with clamping plate one top lifting the miner diameter end of taper type accommodating cavity, and the inwall of taper type accommodating cavity is by the taper surface of squeezing splints, thereby make more closely thread-rolling screw reinforcing bar of pressing plate, space between two clamping plates can ensure that indented bars is subject to the extruding of pressing plate all the time, like this, the end of two indented barss is fixed together tightly.In the footpath of indented bars upwards, taper type accommodating cavity in overcoat reaches fixing object by the taper surface squeezing splints of clamping plate, in the axial direction of indented bars, on the one hand, taper type accommodating cavity restriction clamping plate in overcoat move to the miner diameter end of taper type accommodating cavity, make indented bars docking structure can bear very large pulling force.On the other hand, connecting screw rod directly withstands the end of indented bars, indented bars also cannot be moved to the bigger diameter end of taper type accommodating cavity, therefore, indented bars docking structure of the present invention also can bear very large pressure, thereby the steel bar connecting structure that has solved prior art easily occurs connecting loosening problem at reinforcing bar when bidirectional stress on axially.Because indented bars docking structure of the present invention does not carry out machining to reinforcing bar, not only solve its screw thread processing time consuming of indented bars syndeton effort of prior art, the problem that production efficiency is low, has also ensured the intensity of reinforcing bar.And its overcoat of steel reinforcement abutting joints structure of the present invention, clamping plate and connecting screw rod all can be prefabricated in batches, on-the-spot only need employing is simply the docking operation that hand tool (spanner, pipe tongs etc.) can complete indented bars, therefore, meet the requirement of site operation completely, on the other hand, the present invention only need change clamping plate, the indented bars of different surfaces rib or different nominal diameters can be docked, and has solved the wideless problem of the steel bar connecting structure scope of application of prior art.Clamping plate are expressed as respectively train wheel bridge and lower plate by the present invention, and just for convenience of explanation and understand, the actual relative position that uses middle clamp plate is to be determined by the rib on indented bars surface.
As preferably, the axial length of upper lower plate is less than the axial length of taper type accommodating cavity, and the taper surface maximum gauge of upper lower plate is less than the large footpath of taper type accommodating cavity.Can guarantee like this to have docked rear upper lower plate entirety and be positioned at taper type accommodating cavity, thereby make clamping plate two ends uniform stressed, reach better compression effect.
As preferably, reinforcing bar holddown groove comprises major trough and is arranged on the secondary groove on major trough cell wall, and described major trough and indented bars main body are suitable, and the rib of described secondary groove and indented bars body surfaces is suitable.Reinforcing bar holddown groove can adopt various ways that external surface is fixed with the indented bars of protruding rib, for example adopt the reinforcing bar holddown groove with zigzag structure cell wall, here the structure that preferentially adopts major trough and add secondary groove on major trough cell wall, major trough and indented bars main body are suitable, the rib of secondary groove and indented bars body surfaces is suitable, has so higher quality of fit and does not damage reinforcing bar.
As preferably, the taper surface of upper lower plate is provided with some leg-of-mutton retaining projections, and the height of retaining projection is 0.8-1.2 millimeter, and described retaining projection is evenly distributed on the taper surface of lower plate, and the external surface of upper lower plate is provided with carburized layer.Multiple leg-of-mutton retaining projections are set on the taper surface of upper lower plate periphery, when the taper surface of upper lower plate is squeezed while entering the taper type accommodating cavity of overcoat, these less retaining projections can be pressed in the chamber wall of taper type accommodating cavity, because retaining projection has directionality, reverse when stressed these projections that are pressed into taper type accommodating cavity chamber wall can bite the chamber wall of taper type accommodating cavity, clamping plate cannot be deviate from from taper type accommodating cavity, thereby reach the object of further axial restraint indented bars.The external surface of upper lower plate arranges carburized layer can guarantee that these retaining projections have enough hardness, makes it can successfully embed the chamber wall of shape accommodating cavity.
As preferably, described connecting screw rod is double threaded screw, and the outer peripheral face at connecting screw rod middle part is hexagon or circle; The outer peripheral face of described overcoat is hexagon or circle.When the outer peripheral face of connecting screw rod and overcoat adopts hexagon, can adopt spanner to its fastening operation that is spirally connected, when the outer peripheral face of connecting screw rod and overcoat adopts circle, can adopt pipe tongs to its fastening operation that is spirally connected.
As preferably, the thread rotary orientation at described double threaded screw two is contrary.When the thread rotary orientation at double threaded screw two, only need be rotationally connected screw rod just can be simultaneously to the be spirally connected operation and without rotating jacket or reinforcing bar, can simplify docking operation, raising work efficiency of two overcoats.
As preferably, the cone-apex angle of taper type accommodating cavity is 5-10 degree.The cone-apex angle of taper type accommodating cavity is excessive, and taper type accommodating cavity will diminish to the squeezing action of pressing plate, thereby affects the radially fixed effect of indented bars; The cone-apex angle of taper type accommodating cavity is too small, and taper type accommodating cavity will diminish to the axial resistance of pressing plate, thereby affects the axial restraint effect of indented bars; The cone-apex angle of 5-10 degree can take into account indented bars radially and axial restraint effect.
As preferably, connecting screw rod is provided with grout hole, described grout hole comprises the horizontal grout hole that is arranged on the straight grout hole on connecting screw rod axis and is arranged on connecting screw rod middle part, straight grout hole and horizontal grout hole are through hole and straight grout hole and horizontal grout hole and are interconnected, and the both ends of the surface of connecting screw rod are provided with the horizontal grout groove being communicated with straight grout hole.Consider and in docking structure, have more space, the loosening space that provides of connection that not only deposit for docking structure in these spaces, and gap gets rusty easily, thereby affect application life, the present invention is provided with grout hole on connecting screw rod, when steel reinforcement abutting joints completes after casting cement, cement slurry can pass through grout hole, the passages such as grout groove flow into docking structure inside, and solidify all spaces of rear enclosed completely at cement, so not only reinforce docking structure, can avoid the loosening of docking structure, and after casting cement, there is antirust function, extend the experiment life-span of product.
The invention has the beneficial effects as follows: it has effectively solved its screw thread processing time consuming of indented bars syndeton of prior art and has required great effort, production efficiency is low, easily there is axial play in the indented bars syndeton that is difficult to meet site operation requirement and prior art, the problem that connection reliability is poor, applicable surface is wideless, indented bars docking structure of the present invention is easy and simple to handle, can meet site operation requirement, connection reliability is good and widely applicable, has very high practical value.
Brief description of the drawings
Fig. 1 is a kind of structural representation of indented bars docking structure of the present invention;
Fig. 2 is a kind of structural representation of indented bars docking structure overcoat of the present invention;
Fig. 3 is a kind of structural representation of the upper and lower clamping plate of indented bars docking structure of the present invention;
A kind of partial structurtes schematic diagram when Fig. 4 is the upper and lower clamping plate obvolvent of indented bars docking structure of the present invention indented bars;
Fig. 5 is a kind of structural representation of indented bars docking structure connecting screw rod of the present invention;
Fig. 6 is the another kind of structural representation of the upper and lower clamping plate of indented bars docking structure of the present invention;
Fig. 7 is the another kind of structural representation of indented bars docking structure of the present invention;
Fig. 8 is a kind of structural representation that indented bars docking structure of the present invention uses state;
Fig. 9 is the another kind of structural representation that indented bars docking structure of the present invention uses state;
Figure 10 is the another kind of structural representation that indented bars docking structure of the present invention uses state.
In figure: 1. overcoat, 2. connecting screw rod, 3. taper type accommodating cavity, 4. thread bush, 5. train wheel bridge, 6. lower plate, 7. gap, 8. reinforcing bar holddown groove, 9. taper surface, 10. major trough, 11. secondary grooves, 12. retaining projections, 13. straight grout holes, 14. horizontal grout holes, 15. horizontal grout grooves, 16. indented barss, 17. ribs.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings the detailed description of the invention of technical solution of the present invention is further described.
Embodiment 1
In the embodiment 1 shown in Fig. 1, a kind of indented bars docking structure, comprises two overcoats 1, two pairs of clamping plate and the connecting screw rods 2 for two overcoats are linked into an integrated entity, and connecting screw rod is double threaded screw, and the outer peripheral face at connecting screw rod middle part is hexagon, described overcoat is the cylindrical-shaped structure of hollow, the inside, one end of overcoat is provided with a taper type accommodating cavity 3(and sees Fig. 2), the cone-apex angle that the cone-apex angle of taper type accommodating cavity and upper lower plate are upper conical is 5 degree, the miner diameter end of taper type accommodating cavity is communicated with an end face of overcoat, the bigger diameter end of taper type accommodating cavity is extended with the thread bush 4 that can be spirally connected with described connecting screw rod to the other end of overcoat, in taper type accommodating cavity, be provided with a pair of clamping plate, this is made up of the train wheel bridge 5 and the lower plate 6 that are oppositely arranged clamping plate, the opposite face of upper lower plate is provided with the reinforcing bar holddown groove 8 that can clamp an indented bars, reinforcing bar holddown groove comprises major trough 10 and is arranged on the secondary groove 11 on major trough cell wall, described major trough and indented bars main body are suitable, the suitable (see figure 3) of rib 17 of described secondary groove and indented bars body surfaces.The outer peripheral face that train wheel bridge and lower plate are relative with taper type accommodating cavity is taper surface 9, the inwall of described taper surface and taper type accommodating cavity is suitable, the axial length of upper lower plate is less than the axial length of taper type accommodating cavity, and the taper surface maximum gauge of upper lower plate is less than the large footpath of taper type accommodating cavity.When indented bars docking structure retaining thread reinforcing bar 16, the end butt (see figure 8) of reinforcing bar holddown groove is stretched out respectively in the end of connecting screw rod with indented bars, described taper surface is close to the inwall of taper type accommodating cavity, is provided with gap 7(and sees Fig. 4 between train wheel bridge and lower plate).
Embodiment 2
The taper surface of the upper lower plate of embodiment 2 is provided with some leg-of-mutton retaining projection 12(and sees Fig. 6), retaining projection is 1 millimeter near the triangle peak height of upper lower plate thicker end, axial length is 3 millimeters, triangle base width near upper lower plate thicker end is 2 millimeters, described retaining projection is evenly distributed on the taper surface of lower plate, and the external surface of upper lower plate is provided with carburized layer; The cone-apex angle that the cone-apex angle of taper type accommodating cavity and upper lower plate are upper conical is 10 degree, and all the other are identical with embodiment 1.
Embodiment 3
In the embodiment 3 shown in Fig. 7, connecting screw rod is provided with grout hole, described grout hole comprises the horizontal grout hole 14 that is arranged on the straight grout hole 13 on connecting screw rod axis and is arranged on connecting screw rod middle part, straight grout hole and horizontal grout hole are through hole and straight grout hole and horizontal grout hole and are interconnected, the both ends of the surface of connecting screw rod are provided with the horizontal grout groove 15(being communicated with straight grout hole and see Fig. 5, Fig. 9), the cone-apex angle that the cone-apex angle of taper type accommodating cavity and upper lower plate are upper conical is 7.5 degree, and all the other are identical with embodiment 1 or embodiment 2.
Embodiment 4
The connecting screw rod of embodiment 4 is double threaded screw, and the thread rotary orientation at double threaded screw two is contrary, the rounded (see figure 10) of outer peripheral face at connecting screw rod middle part, and the outer peripheral face of overcoat is rounded, and all the other and embodiment 1 or embodiment 2 or embodiment 3 are identical.
When indented bars docking structure of the present invention uses, the end of first two overcoats being inserted in respectively to indented bars waiting, wherein thread bush one side is near the end of indented bars, clamp the position of indented bars near end with a pair of clamping plate by its reinforcing bar holddown groove again, it is a bit of that clamping plate are stretched out near the end of indented bars and the end of indented bars in the wider one end of its middle clamp plate, mobile overcoat again, describe that with frustum in overcoat putting chamber entangles clamping plate, two overcoats and connecting screw rod are spirally connected, along with connecting screw rod is screwed into the thread bush in overcoat, to conflict with the end of indented bars in the end of connecting screw rod, and indented bars is outwards overlapped to the miner diameter end of taper type accommodating cavity together with clamping plate one top lifting, and the inwall of taper type accommodating cavity is by the taper surface of squeezing splints, thereby make more closely thread-rolling screw reinforcing bar of pressing plate, space between two clamping plates can ensure that indented bars is subject to the extruding of pressing plate all the time, like this, the end of two indented barss is fixed together tightly.In the footpath of indented bars upwards, taper type accommodating cavity in overcoat reaches fixing object by the taper surface squeezing splints of clamping plate, in the axial direction of indented bars, on the one hand, taper type accommodating cavity restriction clamping plate in overcoat move to the miner diameter end of taper type accommodating cavity, make indented bars docking structure can bear very large pulling force.On the other hand, connecting screw rod directly withstands the end of indented bars, indented bars also cannot be moved to the bigger diameter end of taper type accommodating cavity, therefore, indented bars docking structure of the present invention also can bear very large pressure, thereby the steel bar connecting structure that has solved prior art easily occurs connecting loosening problem at reinforcing bar when bidirectional stress on axially.Because indented bars docking structure of the present invention does not carry out machining to reinforcing bar, not only solve its screw thread processing time consuming of indented bars syndeton effort of prior art, the problem that production efficiency is low, has also ensured the intensity of reinforcing bar.And its overcoat of steel reinforcement abutting joints structure of the present invention, clamping plate and connecting screw rod all can be prefabricated in batches, on-the-spot only need employing is simply the docking operation that hand tool (spanner, pipe tongs etc.) can complete indented bars, therefore, met the requirement of site operation completely.On the other hand, the present invention only need change clamping plate, the indented bars of different surfaces rib or different nominal diameters can be docked, and has solved the wideless problem of the steel bar connecting structure scope of application of prior art.
In addition to the implementation; in claims of the present invention and the disclosed scope of manual; technical characterictic of the present invention or technical data can reselect and combine; thereby form new embodiment; it is attainable without carrying out creative work that these are all those skilled in the art, and the embodiment that therefore these the present invention do not describe in detail also should be considered as specific embodiments of the invention and within protection scope of the present invention.
Claims (9)
1. an indented bars docking structure, it is characterized in that, comprise two overcoats (1), the two pairs of clamping plate and the connecting screw rod (2) for two overcoats are linked into an integrated entity, described overcoat is the column structure of hollow, the inside, one end of overcoat is provided with a taper type accommodating cavity (3), the miner diameter end of taper type accommodating cavity is communicated with an end face of overcoat, the bigger diameter end of taper type accommodating cavity is extended with the thread bush (4) that can be spirally connected with described connecting screw rod to the other end of overcoat, in taper type accommodating cavity, be provided with a pair of clamping plate, this is made up of the train wheel bridge (5) being oppositely arranged and a lower plate (6) clamping plate, the opposite face of upper lower plate is provided with the reinforcing bar holddown groove (8) that can clamp an indented bars, the outer peripheral face that train wheel bridge and lower plate are relative with taper type accommodating cavity is taper surface (9), the inwall of described taper surface and taper type accommodating cavity is suitable, when indented bars docking structure retaining thread reinforcing bar (16), the end butt of reinforcing bar holddown groove is stretched out respectively in the end of connecting screw rod with indented bars, described taper surface is close to the inwall of taper type accommodating cavity, between train wheel bridge and lower plate, be provided with gap (7).
2. indented bars docking structure according to claim 1, is characterized in that: the axial length of described upper lower plate is less than the axial length of taper type accommodating cavity, and the taper surface maximum gauge of upper lower plate is less than the large footpath of taper type accommodating cavity.
3. indented bars docking structure according to claim 1, it is characterized in that: described reinforcing bar holddown groove comprises major trough (10) and is arranged on the secondary groove (11) on major trough cell wall, described major trough and indented bars main body are suitable, and the rib (17) of described secondary groove and indented bars body surfaces is suitable.
4. indented bars docking structure according to claim 1, it is characterized in that: the taper surface of described upper lower plate is provided with some leg-of-mutton retaining projections (12), the height of retaining projection is 0.8-1.2 millimeter, described retaining projection is evenly distributed on the taper surface of lower plate, and the external surface of upper lower plate is provided with carburized layer.
5. indented bars docking structure according to claim 1, is characterized in that: described connecting screw rod is double threaded screw, and the outer peripheral face at connecting screw rod middle part is hexagon or circle.
6. indented bars docking structure according to claim 5, is characterized in that: the thread rotary orientation at described double threaded screw two is contrary.
7. indented bars docking structure according to claim 1, is characterized in that: the outer peripheral face of described overcoat is hexagon or circle.
8. according to the indented bars docking structure described in claim 1-7 any one, it is characterized in that: the cone-apex angle of taper type accommodating cavity is 5-10 degree.
9. according to the indented bars docking structure described in claim 1-7 any one, it is characterized in that: connecting screw rod is provided with grout hole, described grout hole comprises the straight grout hole (13) being arranged on connecting screw rod axis and is arranged on the horizontal grout hole (14) at connecting screw rod middle part, straight grout hole and horizontal grout hole are through hole and straight grout hole and horizontal grout hole and are interconnected, and the both ends of the surface of connecting screw rod are provided with the horizontal grout groove (15) being communicated with straight grout hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268457.0A CN104153518A (en) | 2014-06-16 | 2014-06-16 | Twisted steel butt-jointing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268457.0A CN104153518A (en) | 2014-06-16 | 2014-06-16 | Twisted steel butt-jointing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104153518A true CN104153518A (en) | 2014-11-19 |
Family
ID=51879132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410268457.0A Pending CN104153518A (en) | 2014-06-16 | 2014-06-16 | Twisted steel butt-jointing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104153518A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220834A (en) * | 2015-10-09 | 2016-01-06 | 姜超 | A kind of building concrete reinforcing member |
| CN105300792A (en) * | 2015-11-18 | 2016-02-03 | 太原理工大学 | Clamping device of Hopkinson pull bar test-piece and experimental method |
| CN105839857A (en) * | 2016-05-27 | 2016-08-10 | 成都建工工业化建筑有限公司 | Rigid connecting type half-grouting sleeve connector |
| CN108049575A (en) * | 2018-02-01 | 2018-05-18 | 青岛森林金属制品有限公司 | Means for jointing rods |
| CN108331262A (en) * | 2018-02-06 | 2018-07-27 | 浙江大学建筑设计研究院有限公司 | A kind of steel concrete supporting structure and its installation method |
| CN109881843A (en) * | 2019-04-18 | 2019-06-14 | 王玉峰 | Rotary joint style reinforcing bar connection component and its installation method applied to PC component |
| CN110202077A (en) * | 2019-07-16 | 2019-09-06 | 高旻 | Cold extrusion combined type undergauge bar connecting apparatus and connection method |
| CN113216158A (en) * | 2021-04-14 | 2021-08-06 | 中国电建集团华东勘测设计研究院有限公司 | Reinforcing hoop device suitable for flexible reinforcement cage of cast-in-situ bored pile and use method |
| CN113235826A (en) * | 2021-05-19 | 2021-08-10 | 中建桥梁有限公司 | Steel bar wire connection installation positioning method |
| CN113530094A (en) * | 2021-08-04 | 2021-10-22 | 浙江大学 | Extrusion thread type steel bar connector and using method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2464827Y (en) * | 2000-12-11 | 2001-12-12 | 谢军 | Screw steel bar connector |
| CN1458364A (en) * | 2003-06-06 | 2003-11-26 | 杨秀全 | Twisted steel butt screw expansion type joint |
| KR20070054417A (en) * | 2005-11-23 | 2007-05-29 | 김용근 | Threaded sleeve for coupling the threaded deformed reinforcing bars |
| CN201273032Y (en) * | 2008-08-19 | 2009-07-15 | 王树琳 | Reinforced bar jointing sleeve |
-
2014
- 2014-06-16 CN CN201410268457.0A patent/CN104153518A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2464827Y (en) * | 2000-12-11 | 2001-12-12 | 谢军 | Screw steel bar connector |
| CN1458364A (en) * | 2003-06-06 | 2003-11-26 | 杨秀全 | Twisted steel butt screw expansion type joint |
| KR20070054417A (en) * | 2005-11-23 | 2007-05-29 | 김용근 | Threaded sleeve for coupling the threaded deformed reinforcing bars |
| CN201273032Y (en) * | 2008-08-19 | 2009-07-15 | 王树琳 | Reinforced bar jointing sleeve |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220834A (en) * | 2015-10-09 | 2016-01-06 | 姜超 | A kind of building concrete reinforcing member |
| CN105300792A (en) * | 2015-11-18 | 2016-02-03 | 太原理工大学 | Clamping device of Hopkinson pull bar test-piece and experimental method |
| CN105839857A (en) * | 2016-05-27 | 2016-08-10 | 成都建工工业化建筑有限公司 | Rigid connecting type half-grouting sleeve connector |
| CN108049575A (en) * | 2018-02-01 | 2018-05-18 | 青岛森林金属制品有限公司 | Means for jointing rods |
| CN108049575B (en) * | 2018-02-01 | 2024-03-08 | 青岛森林金属制品有限公司 | Rod piece connecting device |
| CN108331262A (en) * | 2018-02-06 | 2018-07-27 | 浙江大学建筑设计研究院有限公司 | A kind of steel concrete supporting structure and its installation method |
| CN109881843A (en) * | 2019-04-18 | 2019-06-14 | 王玉峰 | Rotary joint style reinforcing bar connection component and its installation method applied to PC component |
| CN110202077A (en) * | 2019-07-16 | 2019-09-06 | 高旻 | Cold extrusion combined type undergauge bar connecting apparatus and connection method |
| CN113216158A (en) * | 2021-04-14 | 2021-08-06 | 中国电建集团华东勘测设计研究院有限公司 | Reinforcing hoop device suitable for flexible reinforcement cage of cast-in-situ bored pile and use method |
| CN113235826A (en) * | 2021-05-19 | 2021-08-10 | 中建桥梁有限公司 | Steel bar wire connection installation positioning method |
| CN113530094A (en) * | 2021-08-04 | 2021-10-22 | 浙江大学 | Extrusion thread type steel bar connector and using method |
| CN113530094B (en) * | 2021-08-04 | 2022-08-09 | 浙江大学 | Extrusion thread type steel bar connector and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104153518A (en) | Twisted steel butt-jointing structure | |
| CN105781018B (en) | A kind of bar connecting split joint and its bar connecting construction method | |
| CN107419809A (en) | A kind of assembled architecture connector | |
| CN204510786U (en) | A kind of docked steel pipe adopting spiral to interlock | |
| CN108915158B (en) | Separated combined grouting sleeve and connecting method | |
| CN203939183U (en) | A kind of threaded reinforcing bar joint | |
| CN211421612U (en) | Butt joint connection structure of reinforcement cage | |
| CN113374181A (en) | Rod piece connecting system and connecting method thereof | |
| CN206070885U (en) | Screw-thread steel plug-in type branch sleeve for building | |
| CN103243901B (en) | External scaffolding bridging connector | |
| CN110924596A (en) | Taper sleeve type steel bar connector | |
| CN101837572B (en) | Reinforced masonry rebar straight threaded sleeve connecting wrench and supporting round nut | |
| CN202047527U (en) | Rebar rounding rolling straight thread connector | |
| CN204492010U (en) | A kind of steel reinforcement abutting joints structure | |
| CN211666094U (en) | Taper sleeve type steel bar connector | |
| CN208473122U (en) | Has the locking steel bar connector of preset torque | |
| CN207829305U (en) | A kind of anti-skidding straight thread connecting sleeve with cramping body | |
| CN210068173U (en) | Subway section of jurisdiction is interior strutting arrangement for concatenation convenient to equipment | |
| CN210013387U (en) | Tensile and compressive steel bar connector | |
| CN209891573U (en) | Rotary connection type steel bar connecting assembly | |
| CN208105672U (en) | A kind of screw-thread steel adapter | |
| CN1554842A (en) | Double tile reinforced bar connecting sleeve | |
| CN217537566U (en) | Novel steel bar mechanical connection standardization complete device | |
| CN202247967U (en) | Spiral connection embedded pipe | |
| CN215978077U (en) | Split type half grout sleeve, assembly tool and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20170111 |
|
| AD01 | Patent right deemed abandoned |