CN104315083A - Steel wire rope welding rope ring and butt joint method thereof - Google Patents
Steel wire rope welding rope ring and butt joint method thereof Download PDFInfo
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- CN104315083A CN104315083A CN201410571464.8A CN201410571464A CN104315083A CN 104315083 A CN104315083 A CN 104315083A CN 201410571464 A CN201410571464 A CN 201410571464A CN 104315083 A CN104315083 A CN 104315083A
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- wire rope
- welding
- becket bridle
- rope
- line
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
- F16G11/08—Fastenings for securing ends of driving-cables to one another, the fastenings having approximately the same diameter as the cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a steel wire rope welding rope ring and a butt joint method thereof. The method is used for butt joint of different steel wire ropes during steel wire rope threading so as to achieved threading of large-diameter steel wire ropes. According to the technical scheme, the steel wire rope welding rope ring is characterized in that steel plate base metal is used to directly perform numerical control cutting machine blanking to serve as a rope ring body, and a steel wire rope penetrating hole is machined in the rope ring body through a drilling machine. The rope head of a steel wire rope guide rope penetrates the welding rope ring steel wire rope penetrating hole and is then spliced to complete butt joint of the guide rope and the steel wire rope, and steel wire threading is completed according to a rope threading process.
Description
Technical field
The present invention relates to the technology in crane rope winding system, particularly relate to the technology of different-diameter wire rope docking when wire rope connects.
Background technique
Steel cable winding system is widely used in hoist, and particularly in derrick barge, wire rope used has that diameter is large, length is long and needs the features such as pretension after connecting, and wirerope diameter is generally at about 60mm, and length is between 2000m ~ 7000m.Along with the construction of some super-huge crane barges, the wirerope diameter that winding system uses is also increasing with tractive force when connecting, as the 12000T crane barge that Zhenhua heavy industry manufactures, pulling force when variable-amplitude steel wire rope diameter reaches 78mm, wire rope handling reaches 22T, and the wire rope that can not meet major diameter like this and pulling force as the method for traction fag end at steel wire rope end head welded nut in the past used connects.
Summary of the invention
Below provide the brief overview of one or more aspect to provide the basic comprehension to these aspects.Detailed the combining of this not all aspect contemplated of general introduction is look at, and both not intended to be pointed out out the scope of key or decisive any or all aspect of elements nor delineate of all aspects.Its unique object is the sequence that some concepts that will provide one or more aspect in simplified form think the more detailed description provided after a while.
The object of the invention is to solve the problem, provide a kind of wire rope welding becket bridle and docking calculation thereof, the docking of different-diameter wire rope when connecting for wire rope, realizes connecting of major diameter wire rope.
Technological scheme of the present invention is: present invention is disclosed a kind of wire rope welding becket bridle, directly carry out numerical control cutting machine blanking as becket bridle main body, process wire rope pass through hole in becket bridle main body by drilling machine using steel plate mother metal.
According to an embodiment of wire rope welding becket bridle of the present invention, the model of steel plate mother metal is WDB620E or Q690E.
The invention also discloses the docking calculation of a kind of wire rope welding becket bridle, comprising:
The blank blanking step of wire rope welding becket bridle: be mother metal with steel plate, utilize numerical control cutting machine blanking, all cuts the boundary dimension of welding becket bridle and puts in place, form blank;
The machining steps of wire rope welding becket bridle: comprise and hole line, the line of thickness surplus, overall mach process are passed through to blank integral marking, wire rope;
The welding step of wire rope welding becket bridle: the process comprising welds prepares, tack welding and backing weld, filling and cosmetic welding, filling and cosmetic welding;
The messenger threading step of wire rope welding becket bridle: carry out wire rope and connect.
According to an embodiment of the docking calculation of wire rope of the present invention welding becket bridle, in the process of blank integral marking, with the wedge angle of the blank of wire rope welding becket bridle and semicircle cambered surface for benchmark, mark the cross centre line that wire rope welds becket bridle; Pass through at wire rope in the process of hole line, with the cross centre line of wire rope welding becket bridle for benchmark, mark wire rope on becket bridle and pass through the cross centre line in hole, Excircle machining dimension line and checkout line; In the process of thickness surplus line, with the bottom plane of the blank of wire rope welding becket bridle for benchmark marks thickness direction cross centre line, then mark thickness direction machining allowance line and checkout line with the cross centre line of thickness direction; In overall mach process, pass through hole according to the wire rope that first line size processes on becket bridle, then in the two-sided processing thickness surplus of becket bridle, then pass through the inside and outside circular arc of hole machined according to wire rope.
According to an embodiment of the docking calculation of wire rope welding becket bridle of the present invention, in the welding step of wire rope welding becket bridle, the process of welds prepares comprises the type selecting of welding becket bridle, steel wire rope end head process, prepares manual electric arc welding welding rod as wlding and the process of welding becket bridle; Tack welding and the process of backing weld be welding becket bridle is alignd with steel wire rope end head and adjust vertical after carry out weld preheating, then use manual electric arc welding welding rod to adopt the method for DC reverse connection to position weldering and backing weld; The process of filling and cosmetic welding uses manual electric arc welding welding rod to adopt the method for DC reverse connection to carry out filling and cosmetic welding, and the method adopting two-sided hoop symmetry to freeze controls welding deformation, to ensure that becket bridle is vertical with wire rope after welding.
According to an embodiment of the docking calculation of wire rope welding becket bridle of the present invention, in the messenger threading step of wire rope welding becket bridle, the size of passing through hole according to rope traction pulling force and welding becket bridle wire rope selects wire rope messenger, by wire rope messenger fag end from welding becket bridle wire rope pass through pass hole after be spliced fag end, complete the docking of messenger and wire rope, then complete wire rope according to wire rope handling technique and connect work.
According to an embodiment of the docking calculation of wire rope welding becket bridle of the present invention, the model as the steel plate of mother metal is WDB620E or Q690E.
The present invention contrasts prior art following beneficial effect: the present invention is according to wirerope diameter, messenger diameter and tractive pulling force conventional in winding system in hoist, devise wire rope welding becket bridle, its scheme has following feature: 1, manufactured and designed wire rope welding becket bridle, with high-strength steel sheets such as WDB620E, Q690E for mother metal, machining after utilizing numerical control cutting machine blanking.Select different materials and specification according to wirerope diameter difference, be applicable to docking of multiple major diameter wire rope and messenger.2, the method for a kind of major diameter wire rope docking is devised, adopt J607 welding rod wire rope to be welded becket bridle and be welded on major diameter steel wire rope cephalic par, then be spliced fag end after the wire rope penetrated by traction messenger on docking becket bridle passes through hole, realize the docking of different-diameter wire rope.3, have employed the wire rope welding becket bridle special welding operating method of welding with wire rope, for welding welding of becket bridle and wire rope.4, the wire rope butt joint adopting wire rope welding becket bridle and docking calculation to realize can bear corresponding tractive force, and smoothly by wire rope pulley group, can realize connecting of major diameter wire rope.
Accompanying drawing explanation
Figure 1A and 1B shows the structural drawing of the preferred embodiment of wire rope of the present invention welding becket bridle.
Fig. 2 shows the flow chart of the preferred embodiment of the docking calculation of wire rope of the present invention welding becket bridle.
Fig. 3 A, 3B show the schematic diagram of the blank blanking of wire rope of the present invention welding becket bridle.
Fig. 4 shows the mach schematic diagram of wire rope welding becket bridle.
Fig. 5 shows the schematic diagram of wire rope welding becket bridle and wire rope welding.
Fig. 6 A, 6B show messenger and weld the schematic diagram that becket bridle is spliced docking.
Embodiment
After the detailed description of reading embodiment of the present disclosure in conjunction with the following drawings, above-mentioned feature and advantage of the present invention can be understood better.In the accompanying drawings, each assembly is not necessarily drawn in proportion, and the assembly with similar correlation properties or feature may have identical or close reference character.
Figure 1A and 1B shows the structure of the preferred embodiment of wire rope of the present invention welding becket bridle.Refer to Figure 1A and 1B, the wire rope of the present embodiment welding becket bridle using steel plate mother metal directly carry out numerical control cutting machine blanking as becket bridle main body 1, in becket bridle main body, process wire rope by drilling machine pass through hole 2.Main body 1 be with high-strength steel sheets such as WDB620E or Q690E materials for mother metal, select the steel plate of corresponding thickness of slab to utilize numerical control cutting machine blanking.
Boundary dimension L1, L2, L3, L4, R1, R2 and & of becket bridle main body 1 do not stay machining allowance according to selecting wire rope welding becket bridle figure paper size direct numerical control blanking to put in place, wire rope passes through hole 2 and does not cut out, and becket bridle thickness t reserves machining allowance in direction.
Utilize drilling machine to process wire rope after the blanking of wire rope welding becket bridle and pass through hole 2, then two-sided processing thickness surplus is to drawing requirement size t, and last machining welding becket bridle external frame circular arc R 3, wire rope pass through circular arc R 3 and the R4 of hole 2 surrounding.
During use by welding becket bridle termination, & place and connected cable wire end dock freeze, then tow rope is imported into wire rope and passes through hole 2, realize the docking of tow rope and wire rope.
Fig. 2 shows the implementation step of the preferred embodiment of the docking calculation of wire rope of the present invention welding becket bridle.Refer to Fig. 2, the detailed step of the docking calculation of the wire rope welding becket bridle of the present embodiment is as follows.
Step S1: the blank blanking step of wire rope welding becket bridle.
Please simultaneously see Fig. 3 A and 3B, in this step, with high-strength steel sheets such as WDB620E, Q690E for mother metal, numerical control cutting machine is utilized to carry out CNC cutting, the boundary dimension of welding becket bridle all cut and put in place, wire rope passes through hole and does not cut out, is formed blank.
Step S2: the machining steps of wire rope welding becket bridle.
Refer to Fig. 4, this step comprises passes through hole line, the line of thickness surplus, overall mach process to blank integral marking, wire rope.
In the process of blank integral marking, with the wedge angle of blank of wire rope welding becket bridle and semicircle cambered surface for benchmark, mark the cross centre line that wire rope welds becket bridle.
Pass through at wire rope in the process of hole line, with the cross centre line of wire rope welding becket bridle for benchmark, mark wire rope on becket bridle and pass through the cross centre line in hole, Excircle machining dimension line and checkout line.
In the process of thickness surplus line, with the bottom plane of the blank of wire rope welding becket bridle for benchmark marks thickness direction cross centre line, then mark thickness direction machining allowance line and checkout line with the cross centre line of thickness direction.
In overall mach process, pass through hole according to the wire rope that first line size processes on becket bridle, then in the two-sided processing thickness surplus of becket bridle, then pass through the inside and outside circular arc of hole machined according to wire rope.
Step S3: the welding step of wire rope welding becket bridle.
This step comprises the process of welds prepares, tack welding and backing weld, filling and cosmetic welding, filling and cosmetic welding.
In the welding step of wire rope welding becket bridle, the process of welds prepares comprises the type selecting of welding becket bridle, steel wire rope end head process, prepares manual electric arc welding welding rod as wlding and the process of welding becket bridle.The type selecting of wherein welding becket bridle selects weld becket bridle accordingly, with machining after the steel plate CNC cutting of WDB620E or Q690E material according to connecting wirerope diameter.Steel wire rope end head process refers in the seizing wire binding of distance steel wire rope end head 50mm place diameter 2mm firm, binding length is 2 times of wirerope diameter, the eliminating impurities such as greasy dirt, iron rust, steam within the scope of steel cord ends 50mm is clean, and end polishing is level and smooth.Wlding prepares to refer to that wlding selects manual electric arc welding welding rod, cures 1 hour and be incubated, ready access upon use before using under being placed on the inherent high temperature (such as 350 to 380 degrees Celsius) of curing oven.The process of welding becket bridle polishes smooth within the scope of the 90 ° of end welding of welding becket bridle, removes the foreign material such as iron rust, scale.
Shown in Figure 5, tack welding and the process of backing weld be welding becket bridle is alignd with steel wire rope end head and adjust vertical after carry out weld preheating (preferably preheating temperature is such as 160 to 230 DEG C), then manual electric arc welding welding rod is used to adopt the method for DC reverse connection to position weldering and backing weld, welding current is such as 120 ± 10A, and voltage is 21.4 to 24.6 volts.
Please continue see Fig. 5, the process of filling and cosmetic welding uses manual electric arc welding welding rod to adopt the method for DC reverse connection to carry out filling and cosmetic welding, welding current is such as 170 ± 10A, and voltage is 21.5 to 24.6 volts, and during welding, attentional manipulation interpass temperature is at 160 to 230 degrees Celsius.The method adopting two-sided hoop symmetry to freeze controls welding deformation, to ensure that becket bridle welding is rear vertical with wire rope.
Step S4: the messenger threading step of wire rope welding becket bridle.
As shown in Figure 6 A and 6B, this step is carried out wire rope and is connected.Namely, the size of passing through hole according to rope traction pulling force and welding becket bridle wire rope selects wire rope messenger, by wire rope messenger fag end from welding becket bridle wire rope pass through pass hole after be spliced fag end, complete the docking of messenger and wire rope, then complete wire rope according to wire rope handling technique and connect work.
Said method illustrated although simplify for making explanation and is described as a series of actions, it should be understood that and understand, these methods not limit by the order of action, because according to one or more embodiment, some actions can occur by different order and/or with from illustrating herein and describe or not shown and to describe but other actions that it will be appreciated by those skilled in the art that occur concomitantly herein.
Thering is provided previous description of the present disclosure is for making any person skilled in the art all can make or use the disclosure.To be all apparent for a person skilled in the art to various amendment of the present disclosure, and generic principles as defined herein can be applied to other variants and can not depart from spirit or scope of the present disclosure.Thus, the disclosure not intended to be is defined to example described herein and design, but the widest scope consistent with principle disclosed herein and novel features should be awarded.
Claims (7)
1. a wire rope welding becket bridle, is characterized in that, directly carry out numerical control cutting machine blanking as becket bridle main body, process wire rope pass through hole in becket bridle main body by drilling machine using steel plate mother metal.
2. wire rope welding becket bridle according to claim 1, it is characterized in that, the model of steel plate mother metal is WDB620E or Q690E.
3. a docking calculation for wire rope welding becket bridle, is characterized in that, comprising:
The blank blanking step of wire rope welding becket bridle: be mother metal with steel plate, utilize numerical control cutting machine blanking, all cuts the boundary dimension of welding becket bridle and puts in place, form blank;
The machining steps of wire rope welding becket bridle: comprise and hole line, the line of thickness surplus, overall mach process are passed through to blank integral marking, wire rope;
The welding step of wire rope welding becket bridle: the process comprising welds prepares, tack welding and backing weld, filling and cosmetic welding, filling and cosmetic welding;
The messenger threading step of wire rope welding becket bridle: carry out wire rope and connect.
4. the docking calculation of wire rope welding becket bridle according to claim 3, it is characterized in that, in the process of blank integral marking, with the wedge angle of blank of wire rope welding becket bridle and semicircle cambered surface for benchmark, mark the cross centre line that wire rope welds becket bridle; Pass through at wire rope in the process of hole line, with the cross centre line of wire rope welding becket bridle for benchmark, mark wire rope on becket bridle and pass through the cross centre line in hole, Excircle machining dimension line and checkout line; In the process of thickness surplus line, with the bottom plane of the blank of wire rope welding becket bridle for benchmark marks thickness direction cross centre line, then mark thickness direction machining allowance line and checkout line with the cross centre line of thickness direction; In overall mach process, pass through hole according to the wire rope that first line size processes on becket bridle, then in the two-sided processing thickness surplus of becket bridle, then pass through the inside and outside circular arc of hole machined according to wire rope.
5. the docking calculation of wire rope welding becket bridle according to claim 3, it is characterized in that, in the welding step of wire rope welding becket bridle, the process of welds prepares comprises the type selecting of welding becket bridle, steel wire rope end head process, prepares manual electric arc welding welding rod as wlding and the process of welding becket bridle; Tack welding and the process of backing weld be welding becket bridle is alignd with steel wire rope end head and adjust vertical after carry out weld preheating, then use manual electric arc welding welding rod to adopt the method for DC reverse connection to position weldering and backing weld; The process of filling and cosmetic welding uses manual electric arc welding welding rod to adopt the method for DC reverse connection to carry out filling and cosmetic welding, and the method adopting two-sided hoop symmetry to freeze controls welding deformation, to ensure that becket bridle is vertical with wire rope after welding.
6. the docking calculation of wire rope welding becket bridle according to claim 3, it is characterized in that, in the messenger threading step of wire rope welding becket bridle, the size of passing through hole according to rope traction pulling force and welding becket bridle wire rope selects wire rope messenger, by wire rope messenger fag end from welding becket bridle wire rope pass through pass hole after be spliced fag end, complete the docking of messenger and wire rope, then complete wire rope according to wire rope handling technique and connect work.
7. the docking calculation of wire rope welding becket bridle according to claim 3, it is characterized in that, the model as the steel plate of mother metal is WDB620E or Q690E.
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| CN201410571464.8A CN104315083B (en) | 2014-10-23 | 2014-10-23 | The docking calculation of steel wire rope welding becket bridle |
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| CN201410571464.8A CN104315083B (en) | 2014-10-23 | 2014-10-23 | The docking calculation of steel wire rope welding becket bridle |
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| CN104315083B CN104315083B (en) | 2016-11-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090349A (en) * | 2015-08-25 | 2015-11-25 | 李先登 | Steel wire rope spiral noose and knotting method thereof |
| CN105134875A (en) * | 2015-06-16 | 2015-12-09 | 李先登 | Steel wire rope spiral knot type connector machining method |
| CN106466755A (en) * | 2015-08-22 | 2017-03-01 | 湖北汽车工业学院 | A kind of automatization steel wire rope annulus welder |
| CN109385921A (en) * | 2017-08-14 | 2019-02-26 | 上海船厂船舶有限公司 | Marine riser stretcher wirerope and its wire rope handling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2901822A (en) * | 1955-12-15 | 1959-09-01 | Robert B Hayden | Method of forming a harness cord end terminal |
| GB2239664A (en) * | 1990-01-04 | 1991-07-10 | Griffin Woodhouse Limited | End fittings for wire rope |
| CA2431350A1 (en) * | 2003-06-06 | 2004-12-06 | Wire Rope Industries Ltd./Industries De Cables D'acier Ltee | Wire rope installation connector |
| CN101786572A (en) * | 2010-03-08 | 2010-07-28 | 武汉船用机械有限责任公司 | Fixed connection method of chip lifting hook piece |
| CN103089917A (en) * | 2013-01-31 | 2013-05-08 | 徐工集团工程机械股份有限公司 | Lantern ring and inhaul cable structure |
| CN204239603U (en) * | 2014-10-23 | 2015-04-01 | 上海振华重工(集团)股份有限公司 | Wire rope welding becket bridle |
-
2014
- 2014-10-23 CN CN201410571464.8A patent/CN104315083B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2901822A (en) * | 1955-12-15 | 1959-09-01 | Robert B Hayden | Method of forming a harness cord end terminal |
| GB2239664A (en) * | 1990-01-04 | 1991-07-10 | Griffin Woodhouse Limited | End fittings for wire rope |
| CA2431350A1 (en) * | 2003-06-06 | 2004-12-06 | Wire Rope Industries Ltd./Industries De Cables D'acier Ltee | Wire rope installation connector |
| CN101786572A (en) * | 2010-03-08 | 2010-07-28 | 武汉船用机械有限责任公司 | Fixed connection method of chip lifting hook piece |
| CN103089917A (en) * | 2013-01-31 | 2013-05-08 | 徐工集团工程机械股份有限公司 | Lantern ring and inhaul cable structure |
| CN204239603U (en) * | 2014-10-23 | 2015-04-01 | 上海振华重工(集团)股份有限公司 | Wire rope welding becket bridle |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134875A (en) * | 2015-06-16 | 2015-12-09 | 李先登 | Steel wire rope spiral knot type connector machining method |
| CN106466755A (en) * | 2015-08-22 | 2017-03-01 | 湖北汽车工业学院 | A kind of automatization steel wire rope annulus welder |
| CN106466755B (en) * | 2015-08-22 | 2018-08-14 | 湖北汽车工业学院 | A kind of automation steel wire rope annulus welder |
| CN105090349A (en) * | 2015-08-25 | 2015-11-25 | 李先登 | Steel wire rope spiral noose and knotting method thereof |
| CN105090349B (en) * | 2015-08-25 | 2017-11-28 | 李先登 | The knotting method of steel wire rope spiral noose |
| CN109385921A (en) * | 2017-08-14 | 2019-02-26 | 上海船厂船舶有限公司 | Marine riser stretcher wirerope and its wire rope handling method |
| CN109385921B (en) * | 2017-08-14 | 2022-04-01 | 上海外高桥造船海洋工程项目管理有限公司 | Steel wire rope of riser tensioner and rope threading method thereof |
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|---|---|
| CN104315083B (en) | 2016-11-09 |
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Effective date of registration: 20170426 Address after: 201913 Shanghai City, Chongming County town of Phoenix Road, No. 666, building No. 20, Patentee after: Shanghai Zhenhua Heavy Industries Ltd. Address before: 200125 Pudong South Road, Shanghai, No. 3470, No. Patentee before: Shanghai Zhenhua Heavy Industries (Group) Co., Ltd. |
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