CN105290274A - Extrusion, cold connection and molding method of four-surface and six-edge permeable frame steel sleeve - Google Patents
Extrusion, cold connection and molding method of four-surface and six-edge permeable frame steel sleeve Download PDFInfo
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- CN105290274A CN105290274A CN201510160406.0A CN201510160406A CN105290274A CN 105290274 A CN105290274 A CN 105290274A CN 201510160406 A CN201510160406 A CN 201510160406A CN 105290274 A CN105290274 A CN 105290274A
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- rod member
- class rod
- jack
- sleeve
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Abstract
The invention aims to disclose an extrusion, cold connection and molding method of a four-surface and six-edge permeable frame steel sleeve; a cold connection method is used for sleeving three bundles of reinforcements in a steel pipe; based on a split hydraulic tong, a pressure output end is transformed; hydraulic jacks having tip ejectors are uniformly fixed on a triangular reaction frame; a hydraulic controller controls output pressure; and under the effect of three-point stress, a casing is plastically deformed and tightly hooped on the reinforcements.
Description
Technical field
The Triangular Taper Penetrating water-permeable frame that the present invention relates in waterway regulation is manufactured, and belongs to steel sleeve and extrudes cold interconnection technique field.
Background technology
In dredging waterway work, the solid pin of shore protection occupies extremely important status.The solid pin engineering of entity shore protection mainly contains riprap protection, concrete block hinge row, mold-bagged concrete, moulds pillow protection, ballast earth work fabric soft revetment shore protection etc., and Application comparison is riprap protection widely.Block stone have draw materials easily, construction is simple, investment is saved, maintenance management advantage easily, but block stone itself is particulate structure, there is no globality, in the process that riverbed adjusts with current, block stone easily causes scattering and disappearing with the distortion generation barrel shift in riverbed, affects the effect of the stable of bank-protection works and shore protection.Meanwhile, after jackstone is reinforced, current transversal flow is obstructed, and transfers incision to, the stone foundation of scour block, and toe riverbed, by degradation, causes the slip of block stone, rolling, avalanche, and causes the unstability of solid bank engineering own to be destroyed.
Concrete Triangular Taper Penetrating water-permeable frame is a kind of novel solid bank method, is successfully applied in Yangtze River waterway training works.Framework is welded to each other by prefabricated 6 equal length armored concrete rod members and forms, in positive tetrahedron.Permeable rod member cross dimensions is 10mm*10mm, and length is generally divided into 0.6m, 0.8m and 1m, and concrete adopts C20 intensity, containing 1 in the middle of frame member
reinforcing bar, two ends are respectively exposed 13cm and are welded for rod member.The concentrated making of factory is the advantage of Triangular Taper Penetrating water-permeable frame compared with other bank protection method, and it is frame member precast assembly method that existing frame manufacture technique mainly contains two kinds: one; Two is frame mold methods of forming.
Rod member precast assembly method adopts modularization making frame member, and rod member preparation method is simple, and operation is few, and efficiency is high.But when rod member splices and welds, because six rods need overlap in advance, the stability of overlap joint, the accuracy etc. of rod member position are all difficult to ensure, cause difficulty therefore can to the welding of rod member, thus affect the efficiency of framework integral manufacturing; Secondly, when the method makes framework, three reinforcing bar roots of frame joint meet at a bit, and rod member connects for point cantact, can only form a pad, be difficult to the designing requirement reaching fusion length during welding, thus the durability that framework is used is difficult to ensure.
When mould forming method makes Triangular Taper Penetrating water-permeable frame, framework of steel reinforcement advance notice welding, instability problem when overcoming rod member precast assembly method during the welding of rod member overlap joint, and the framework made is one-shot forming, welding node is covered in concrete, improves the reliability and stability of framework.Then, the framework that the method is made, its skeleton reinforcing steel bar node still connects for point, and fusion length does not have essence to take on a new look; Secondly, in frame manufacture process, in mould, the installation of internal mold, fixing and demolishing process is complicated, is difficult to the make efficiency effectively improving framework; Again, when framework is produced in a large number, fabricating yard needs to equip a large amount of mould, makes investment larger.
Summary of the invention
The present invention, according on the basis of existing several Triangular Taper Penetrating water-permeable frame moulding process, proposes a kind of novel steel sleeve extruding cold-connecting method.The feasibility study of novel process is carried out by indoor prototype test, find key node in construction, and dealt with, simplify Triangular Taper Penetrating water-permeable frame manufacturing process to reach and effectively reduce cost of manufacture, improving the object of the reliability and stability of framework.
The technical scheme adopted for realizing the object of the invention is such, and a kind of Triangular Taper Penetrating water-permeable frame steel sleeve extrudes cold connection forming method, it is characterized in that, comprises the following steps:
1) some a class rod members and b class rod member is made; Described a class and b class rod member are by rod member skeleton reinforcing steel bar and cover concrete outward and form; The described outer concrete cross section that covers is length of side 10cm square, covers concrete length outward and determines according to engine request; The two ends of rod member skeleton reinforcing steel bar are stretched out and are covered concrete outward, often hold outreach to be not less than 15cm; A class and b class rod member skeleton reinforcing steel bar and cover outward concrete identical length with; Described a class rod member skeleton reinforcing steel bar covers the bending of concrete two ends in 27 ± 1 ° outside stretching out; Described b class rod member skeleton reinforcing steel bar stretch out outer cover the bending of concrete one end in 31 °, other end bending is in 59 °;
2) three a class rod members are placed on a liftoff platform; The skeleton reinforcing steel bar bending place, two ends of each root a class rod member, all contacts with the bending place of the skeleton reinforcing steel bar of other two a class rod members, makes three a class rod members be combined into equilateral triangle; The contact position of any two a class rod members is the angle point of equilateral triangle;
3) three b class rod members are prepared; Step 2) three a class rod members and this three b class rod members be overlapped to form a tetrahedron; Namely these three b class rod member skeleton reinforcing steel bar bending angles be 59 ° one end respectively with step 2) in three angle points of equilateral triangle of being combined into of three a class rod members connect, form three angle points of tetrahedron bottom surface; Three b class rod member skeleton reinforcing steel bar bending angles are that one end of 31 ° connects, and form the angle point on tetrahedron top; Tetrahedral 4 corner points, 3 skeleton reinforcing steel bar parallel contact of two class rod members; The hollow circular cylinder sleeve of 4 open at both ends is utilized to be entangled by 3 of four angle points parallel skeleton reinforcing bars;
4) a triangle reaction frame and three jack are prepared;
Described three jack are all positioned in the middle of triangle reaction frame; The tail end of each jack contacts with a limit of triangle reaction frame respectively; The telescopic end of three jack points to triangle reaction frame center;
5) triangle reaction frame is enclosed within any one sleeve outside, makes the telescopic end of three jack and the exterior surface of this sleeve; Start three jack, by this sleeve cold-pressing deformation;
6) with reference to step 5) method, complete colding pressing of each sleeve.
Further, the main part equal outsourcing cuboid sleeve pipe of described a class rod member and/or b class rod member.The bending part of a class rod member and/or b class rod member is positioned at the two ends of cuboid sleeve pipe.
Further, step 2) in, described platform is made up of disk, column, inclined support bar and base.
Described uprights vertical is in floor installation.Described disk is parallel to horizontal plane, and is positioned at above base.Described column is through disk.The upper end of column is positioned at the top of disk.
The upper end of three inclined support bars is all connected to the outer surface of described column, and lower end is all connected to the upper surface of disk.
Further, step 4) in, the termination of the telescopic end of described jack is dome.Step 5) in, the termination of the telescopic end of three jack all extrudes the gap in the middle of bundle reinforcing bar together.
What deserves to be explained is, the inventive method utilizes a kind of method of cold connection to be enclosed within steel pipe by three beams reinforcing bar, on the basis of Split hydraulic clamp, pressure output end is transformed, the hydraulic jack come directly towards evenly is fixed on triangle reaction frame, controls output pressure by hydraulic controller with tip, under 3 stressed effects, make sleeve pipe produce plastic deformation, and lock ring is in reinforcing bar, has following beneficial effect relative to prior art:
1) in rod member splicing, utilize the splicing shelf made that rod member can be made to locate more accurate, improve assembled speed;
2) in node connection, make sleeve pipe cold joint into by traditional welding: the centering of the cold connection of reinforcing bar is good, stable performance, strength of joint are high, easy and simple to handle, speed is fast, the flames of anger, weatherproof, can all-weather construction;
3) on the node connection construction time, about about 180 seconds of traditional welding node, and the cold connection of the sleeve pipe designed now from all realize Expected Results and only need about 7 seconds;
Accompanying drawing explanation
Fig. 1 is (two classes) steel bar meter schematic diagram in water-permeable frame rod member;
Fig. 2 is the assembled shelf of water-permeable frame and assembled rear schematic diagram;
Fig. 3 is steel sleeve and bar connecting schematic diagram;
Fig. 4 is jack and reaction frame overall schematic;
Fig. 5 is that jack is colded pressing schematic diagram;
Fig. 6 is jacking header schematic diagram;
Fig. 7 is stereogram of the present invention.
In figure: disk 1, stopper slot 101, ribs 102, column 2, angle iron 201, inclined support bar 3, base 4.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention and be only limitted to following embodiment.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and customary means, make various replacement and change, all should be included in protection scope of the present invention.
Embodiment 1:
The present embodiment provides a kind of Triangular Taper Penetrating water-permeable frame steel sleeve to extrude cold connection forming method, comprises the following steps:
1) see a, b part of Fig. 1, some a class rod members (water-permeable frame base reinforcing bar) and b class rod member (water-permeable frame side reinforcing bar) is made.Described a class and b class rod member are by skeleton reinforcing steel bar and cover concrete outward and form; The described outer concrete cross section that covers is length of side 10cm square, covers concrete length outward and determines according to engine request, be i.e. the main part equal outsourcing cuboid sleeve pipe of described a class rod member and b class rod member.Rod member skeleton reinforcing steel bar covers concrete outside stretching out, and often holds outreach to be not less than 15cm; A class and b class rod member skeleton reinforcing steel bar and cover outward concrete identical length with; Described a class rod member two ends (skeleton reinforcing steel bar covers concrete part outside stretching out) bending is in 27 °.One end (skeleton reinforcing steel bar covers concrete part outside the stretching out) bending of described b class rod member is 31 °, the other end (skeleton reinforcing steel bar covers concrete part outside stretching out) bending is 59 °.
What deserves to be explained is, reinforcing bar on three directions going out to stretch to enable framework four nodes in one direction and three reinforcing bars be closely close together so that steel sleeve can easily be inserted in, need calculate reinforcing bar expose rod member length, transfer angle and bend up a little.In embodiment, water-permeable frame a class member design overall length 1400mm, 200mm is respectively stayed in two ends, and bending 27 ° ± 1 °, bend up a distance end 96.6mm.The long 1460mm of b class member design, 230mm is respectively stayed in two ends, bends respectively and 31 ° and 59 °, bends up distance end 121.74mm and 93.17mm respectively.
The bending part of a class rod member and b class rod member is positioned at the two ends of cuboid sleeve pipe.Cuboid sleeve pipe is Steel Casing.A class rod member and b class rod member are the screw-thread steel of Φ 10, and steel sleeve is seamless steel pipe, overall diameter 28mm thickness 5mm.
2) see the b part of Fig. 2, three a class rod members are placed on a liftoff platform.The bending place, two ends of each root a class rod member, all contacts with the bending place of other two a class rod members, makes three a class rod members be combined into equilateral triangle; The contact position of any two a class rod members is the angle point of equilateral triangle.
3) see also the b part of Fig. 2, three b class rod members are prepared.Step 2) three a class rod members will be overlapped to form a tetrahedron with these three b class rod members;
The one end by these three b class rod members being 31 ° of bendings is restrainted together, forms the angle point on tetrahedron top, adopts the hollow circular cylinder sleeve of an open at both ends to entangle (as Fig. 3).
These three b class rod members are positioned at step 2) the top of three a class steel.Each root b class rod member be 59 ° bending one end all together with the bending end bundle of two a class rod members after, formation tetrahedron bottom surface three angle points; Prepare the hollow circular cylinder jacket casing of three open at both ends, entangled (as Fig. 3).
4) a triangle reaction frame and three jack are prepared.
Described three jack are all positioned in the middle of triangle reaction frame.The tail end of each jack contacts with a limit of triangle reaction frame respectively.The telescopic end of three jack points to triangle reaction frame center.
In the present embodiment, jack reaction frame adopts the channel-section steel of 200mm to be welded into triangle, and the length of side is 600mm, and there is the Plate Welding of 200mm*120mm*16mm its inside at three angles place.The direction of power is applied in a plane in order to three jack can be made, first steel plate center and jack center one_to_one corresponding is made, after the alignment of center, the bolt hole of four M10 due to subdrilling pre-bottom jack, so the Kong Yuqi that steel plate bores overlaps, and with bolt, jack is fixed on steel plate, achieve steel plate and jack is fixed, and meet three jack in one plane.
What deserves to be explained is, as shown in Figure 3, owing to the reinforcing bar in sleeve and sleeve closely will be forced together, steel sleeve and steel bar plane deposit hole in three directions, so jack will apply power in three directions, this gets up three jack with guarantee effect direction in a plane according to certain angle combinations with regard to needing a shelf, and reaction frame bears the counteractive power of jack, meets Rigidity and strength requirement.
5) see Fig. 7, triangle reaction frame is enclosed within any one sleeve outside, makes the telescopic end of three jack and the exterior surface of this sleeve.Start three jack, by this sleeve cold-pressing deformation.As shown in Figure 5, when combination jack pair steel sleeve applies pressure, consistent on the hole direction that first will be formed reinforcing bar and steel sleeve on applying power three directions.By the plastic deformation of steel bushing, steel sleeve face outside reinforcing bar is fully combined.As shown in Figure 6, first the bottom size of jacking header will meet and can just be nested into hollow jack inside, and the concrete size on top will meet the pore-size requirement contained in the plane that reinforcing bar and steel sleeve formed; On Material selec-tion, employing be wolfram steel, ensure its rigidity enough features such as large difficult deformation.
What deserves to be explained is, what the power-equipment of jack of the present invention adopted is electric hydraulic oil pump, by a three-way cock, a total oil circuit is assigned to three oil circuits and goes to realize three jack and work simultaneously.Can controlled loading and unloading and loading speed by oil pressure control, observe oil pressure gauge simultaneously and obtain pressure sizes values.
6) with reference to step 5) method, complete colding pressing of each sleeve.
Embodiment 2
The main technological steps of the present embodiment with embodiment 2, but has done further research to machining tool further.Particularly, see a part of seeing Fig. 2.Step 2) in, described platform is made up of disk 1, column 2, inclined support bar 3 and base 4.
Described column 2 is installed perpendicular to base 4.Described disk 1 is parallel to horizontal plane, and is positioned at above base 4.Described column 2 is through disk 1.The upper end of column 2 is positioned at the top of disk 1.
The upper end of three inclined support bars 3 is all connected to the outer surface of described column 2, and lower end is all connected to the upper surface of disk 1.
Further, the upper surface of described disk 1 is welded into slightly a little greatly than base of frame rod member square stopper slots 101 by six roots of sensation root equal leg angle.Column 2 is the reinforcing bar of Φ 20.The steel plate 201 that the top of column 2 is 3mm by thickness to be inserted in screw rod and to fix up and down with bolt also can up-down adjustment steel plate 201 position, is used for determining assembled rear most suitable height.Described base 4 is welded into its inside of tripod by three equal leg angles circular steel plate, and steel plate central vertical place is welded with iron pipe, and top is also welded with iron pipe simultaneously, and two iron pipes are nested together, and so just can realize the rotation of support.
Claims (4)
1. Triangular Taper Penetrating water-permeable frame steel sleeve extrudes a cold connection forming method, it is characterized in that, comprises the following steps:
1) some a class rod members and b class rod member is made; Described a class and b class rod member are by rod member skeleton reinforcing steel bar and cover concrete outward and form; The described concrete cross section that covers outward is length of side 10cm square, and the two ends of rod member skeleton reinforcing steel bar are stretched out and covered concrete outward, often hold outreach to be not less than 15cm; A class and b class rod member skeleton reinforcing steel bar and cover outward concrete identical length with; Described a class rod member skeleton reinforcing steel bar covers the bending of concrete two ends in 27 ± 1 ° outside stretching out; Described b class rod member skeleton reinforcing steel bar stretch out outer cover the bending of concrete one end in 31 °, other end bending is in 59 °;
2) three a class rod members are placed on a liftoff platform; The skeleton reinforcing steel bar bending place, two ends of each root a class rod member, all contacts with the bending place of the skeleton reinforcing steel bar of other two a class rod members, makes three a class rod members be combined into equilateral triangle; The contact position of any two a class rod members is the angle point of equilateral triangle;
3) three b class rod members are prepared; Step 2) three a class rod members and this three b class rod members be overlapped to form a tetrahedron; Namely these three b class rod member skeleton reinforcing steel bar bending angles be 59 ° one end respectively with step 2) in three angle points of equilateral triangle of being combined into of three a class rod members connect, form three angle points of tetrahedron bottom surface; Three b class rod member skeleton reinforcing steel bar bending angles are that one end of 31 ° connects, and form the angle point on tetrahedron top; Tetrahedral 4 corner points, 3 skeleton reinforcing steel bar parallel contact of two class rod members; The hollow circular cylinder sleeve of 4 open at both ends is utilized to be entangled by 3 of four angle points parallel skeleton reinforcing bars;
4) a triangle reaction frame and three jack are prepared;
Described three jack are all positioned in the middle of triangle reaction frame; The tail end of each jack contacts with a limit of triangle reaction frame respectively; The telescopic end of three jack points to triangle reaction frame center;
5) triangle reaction frame is enclosed within any one sleeve outside, makes the telescopic end of three jack and the exterior surface of this sleeve; Start three jack, by this sleeve cold-pressing deformation;
6) with reference to step 5) method, complete colding pressing of each sleeve.
2. Triangular Taper Penetrating water-permeable frame steel sleeve according to claim 1 extrudes cold connection forming method, it is characterized in that: the main part equal outsourcing cuboid sleeve pipe of described a class rod member and/or b class rod member; The bending part of a class rod member and/or b class rod member is positioned at the two ends of cuboid sleeve pipe.
3. Triangular Taper Penetrating water-permeable frame steel sleeve according to claim 1 extrudes cold connection forming method, it is characterized in that: step 2) in, described platform is made up of disk (1), column (2), inclined support bar (3) and base (4);
Described column (2) is installed perpendicular to base (4); Described disk (1) is parallel to horizontal plane, and is positioned at base (4) top; Described column (2) is through disk (1); The upper end of column (2) is positioned at the top of disk (1);
The upper end of three inclined support bars (3) is all connected to the outer surface of described column (2), and lower end is all connected to the upper surface of disk (1).
4. Triangular Taper Penetrating water-permeable frame steel sleeve according to claim 1 extrudes cold connection forming method, it is characterized in that: step 4) in, the termination of the telescopic end of described jack is dome; Step 5) in, the termination of the telescopic end of three jack all extrudes the gap in the middle of bundle reinforcing bar together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160406.0A CN105290274B (en) | 2015-04-07 | 2015-04-07 | Triangular Taper Penetrating water-permeable frame steel thimble extrudes cold connection forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160406.0A CN105290274B (en) | 2015-04-07 | 2015-04-07 | Triangular Taper Penetrating water-permeable frame steel thimble extrudes cold connection forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105290274A true CN105290274A (en) | 2016-02-03 |
| CN105290274B CN105290274B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510160406.0A Expired - Fee Related CN105290274B (en) | 2015-04-07 | 2015-04-07 | Triangular Taper Penetrating water-permeable frame steel thimble extrudes cold connection forming method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2142377Y (en) * | 1992-11-24 | 1993-09-22 | 王添发 | Joint device for reinforcing bar |
| JP2982083B2 (en) * | 1991-07-09 | 1999-11-22 | ヤマハ発動機株式会社 | Joint structure of truss structure |
| CN2822826Y (en) * | 2005-10-17 | 2006-10-04 | 上海宝钢建筑工程设计研究院 | Side pressing type steel bar connecting machine |
| JP2011080256A (en) * | 2009-10-07 | 2011-04-21 | Ishida Shozo | Knock-down frame, water-permeable structure, construction, frame panel, and connecting member |
| CN204000754U (en) * | 2014-06-19 | 2014-12-10 | 长江航道规划设计研究院 | A kind of snap close installing type water-permeable frame |
| CN204174575U (en) * | 2014-10-16 | 2015-02-25 | 长江泸州航道局 | The mounting bracket of card system formula water-permeable frame |
-
2015
- 2015-04-07 CN CN201510160406.0A patent/CN105290274B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2982083B2 (en) * | 1991-07-09 | 1999-11-22 | ヤマハ発動機株式会社 | Joint structure of truss structure |
| CN2142377Y (en) * | 1992-11-24 | 1993-09-22 | 王添发 | Joint device for reinforcing bar |
| CN2822826Y (en) * | 2005-10-17 | 2006-10-04 | 上海宝钢建筑工程设计研究院 | Side pressing type steel bar connecting machine |
| JP2011080256A (en) * | 2009-10-07 | 2011-04-21 | Ishida Shozo | Knock-down frame, water-permeable structure, construction, frame panel, and connecting member |
| CN204000754U (en) * | 2014-06-19 | 2014-12-10 | 长江航道规划设计研究院 | A kind of snap close installing type water-permeable frame |
| CN204174575U (en) * | 2014-10-16 | 2015-02-25 | 长江泸州航道局 | The mounting bracket of card system formula water-permeable frame |
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| Publication number | Publication date |
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| CN105290274B (en) | 2017-03-15 |
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Address after: No. 1, Fuxing Avenue, Shuang Fu new area, Jiangjin District, Chongqing Co-patentee after: CHANGJIANG CHONGQING WATERWAY ENGINEERING BUREAU Patentee after: CHONGQING JIAOTONG University Address before: 400074 Chongqing Nan'an District University Avenue, No. 66 Co-patentee before: Changjiang Chongqing Waterway Engineering Bureau Patentee before: chongqing jiaotong university |
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Granted publication date: 20170315 |