CN103616174A - Reversing mechanism of anchor chain and mooring chain - Google Patents
Reversing mechanism of anchor chain and mooring chain Download PDFInfo
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- CN103616174A CN103616174A CN201310624455.6A CN201310624455A CN103616174A CN 103616174 A CN103616174 A CN 103616174A CN 201310624455 A CN201310624455 A CN 201310624455A CN 103616174 A CN103616174 A CN 103616174A
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Abstract
The invention discloses a reversing mechanism of an anchor chain and a mooring chain. The reversing mechanism comprises a base and a disk structure arranged on the base. The reversing mechanism further comprises a center plate, a tapered roller bearing I, a round nut, a bearing sleeve, a shaft, a tapered roller bearing II, a shaft sleeve II, a sealing ring, a baffle I and a baffle II. The base comprises adjusting screws, adjusting nuts, a fixing plate I, two fixing plates II and two fixing plates III. The disk structure comprises a base disk, a top disk, a bearing end cap, a shaft sleeve I, hanging rings, a cover plate and a screw. The reversing mechanism of the anchor chain and the mooring chain are simple in structure, reliable in performance, low in cost, stable in working operation, long in service life and convenient to install and maintain.
Description
Technical field
The present invention relates to the reverse mechanism of anchor chain and mooring cable, especially a kind of reverse mechanism that is applicable to locate on horizontal tensile testing machine overlength anchor chain.
Background technology
High strength and large specification marine anchor chain and offshore platform mooring cable are the critical facilitys that is related to ocean, coastal waters boats and ships and offshore platform safety, because marine anchor chain and offshore platform mooring cable need to work long hours under load cycling effect, therefore the mechanical property of anchor chain is detected and is absolutely necessary.In < < GB/T20848-2007 mooring cable > > and < < GB/T549-2008 electric welded anchor cable > >, stipulate, in anchor chain or mooring cable tensile test process, need to guarantee that the relative position of each chain link and annex should be correct, should not rub with the hands and turn round.Therefore before carrying out tensile test, need chain to be evenly placed on anchor chain bracket correct to guarantee the relative position of each chain interannular, eliminate the test error that Action of Gravity Field brings simultaneously.Therefore need adjust the relative position of each chain interannular of chain before chain enters anchor chain bracket, make arbitrary neighborhood two chain links be respectively level and square crossing layout, so that anchor chain can enter smoothly anchor chain bracket under the effect of haulage gear, thereby meet above-mentioned testing standard regulation.
For ease of transportation, chain is all placement in heaps before test, therefore before anchor chain or mooring cable enter anchor chain bracket, need first it to be paved on the ground to straight line and make arbitrary neighborhood two chain links be respectively level and square crossing is arranged, this work has at present been coordinated by artificial and driving, this is inefficiency not only, and workman's labour intensity is very large.So the anchor chain of stacking or mooring cable can be reached to the state that arbitrary neighborhood two chain links are respectively level and square crossing layout after guiding in the urgent need to a kind of mechanism, so that anchor chain or mooring cable can enter smoothly anchor chain bracket under the traction of haulage gear, so both reduced workman's labour intensity, save place, the efficiency of the anchor chain Mechanics Performance Testing simultaneously also greatly improving.
Summary of the invention
Technical matters: the object of the invention is to overcome the weak point in prior art, provide a kind of simple in structure, easy to use, save place, efficiency is high, is applicable to locate the reverse mechanism of anchor chain and mooring cable on horizontal tensile testing machine.
In order to achieve the above object, the present invention is achieved by the following technical programs:
The reverse mechanism of a kind of anchor chain and mooring cable, comprise base and be arranged at the disc structure on described base, also comprise former, taper roll bearing I, round nut, bearing holder (housing, cover), axle, taper roll bearing II, axle sleeve II, O-ring seal, baffle plate I, baffle plate II, described base comprises adjusts screw rod, adjusting nut, fixed head I, two fixed head II and two fixed head III, described disc structure comprises chassis, takes over a business, bearing (ball) cover, axle sleeve I, take over a business, suspension ring, cover plate and screw; Wherein said two fixed head II are arranged in parallel, and in two fixed head II parallel spaces, are welded with fixed head I; Described two fixed head III arranged direction are mutually vertical with fixed head II direction, and are fixedly welded on respectively the both sides end face of fixed head II; Described fixed head III is the rectangular steel plates that a symmetry has four manholes; Described adjusting nut is fixedly welded on four manhole places of fixed head III, and is positioned at the two fixed head III inner sides that are arranged in parallel; In corresponding adjusting nut position, screw in and adjust screw rod
One end of described axle is thread spindle, and centre is ladder optical axis, and the other end is square shaft, and wherein square shaft coordinates with the square through-hole of fixed head I, and restrictive axes is circumferentially rotated on base; Centered by described axle sleeve II, have the circular sleeve of manhole, and be fixedly welded on transverse plane in two fixed head II, its outer circumference surface has seal groove, and O-ring seal is assemblied in seal groove for sealing function; Described taper roll bearing II is installed on the optical axis at axle middle part, and its inner ring is located by bearing holder (housing, cover) II, and its outer ring is fixing by bearing (ball) cover location; Described bearing (ball) cover is that a cross section is groove type sleeve, welds axle sleeve I on its outside surface; Described axle sleeve I is a cylindrical sleeve, and its aperture, upper end is greater than bottom for locating stationary shaft bearing sleeve; Described bearing holder (housing, cover) is that cross section is the sleeve of groove type, and its one end is located by axle sleeve I upper end, and its other end is fixed in axle sleeve I endoporus by spot welding mode; Described taper roll bearing I is arranged on the optical axis of axle upper end, and its outer ring is spacing fixing by bearing holder (housing, cover) groove inside surface, and its inner ring is propped up by the round nut that is spun on axle upper end screw thread, and taper roll bearing I is by location is fixing completely;
Centered by described chassis, have the circular slab of manhole, it coordinates installation with bearing (ball) cover outside surface, and the epitaxial surface that its lower surface is given prominence to by bearing (ball) cover is located, and its upper surface and bearing (ball) cover outside surface contact position are connected and fixed by welding manner; Between described former is welded in chassis and takes over a business; The described circular steel plate that has manhole centered by taking over a business, has threaded hole around at manhole, for securing cover plate and screw being installed for sealing; With corresponding baffle plate I, the welding of baffle plate II, fill up the gap between former; Described taking over a business at upper surface is symmetrically welded and fixes 2 suspension ring for installation and the adjustment of anchor chain reverse mechanism.
Centered by described fixed head I, have the rectangle steel plate of a square through-hole, be fixedly welded on the fixed head II bottom being arranged in parallel.
Described adjustment screw rod is the screw rod that two ends are all provided with one section of square boss, and described square boss is adjusted screw position for spanner rotation.
Described former profile is the steel plate of concave shape, and when it is welded and fixed, concave shape breach is towards the radial outward direction on chassis.
Beneficial effect: owing to having adopted such scheme, anchor chain reverse mechanism can be realized the accurate location of anchor chain and the automatic straightening of chain link, concrete advantage is as follows:
(1) anchor chain and the mooring cable stacked are arbitrarily realized commutation function after reverse mechanism, and anchor chain does not need to be paved into straight line, has greatly saved place.
(2) when anchor chain carries out test process, anchor chain is walked around anchor chain reverse mechanism under the drive of haulage gear, anchor chain chain link is by the spacing anchor chain contiguous links position automatic straightening that makes of anchor chain reverse mechanism periphery upper groove structure, thereby guarantee that anchor chain directly enters anchor chain bracket under the drive of haulage gear, greatly reduce workman's labour intensity and improved work efficiency.
(3) anchor chain reverse mechanism base is provided with adjusting screw(rod) and setting nut, rotation adjusting screw(rod) can be realized position base is adjusted, thereby guarantee the anchor chain of all size or mooring cable after this reverse mechanism guiding chain link center line can with anchor chain bracket groove center-aligned, to enter smoothly anchor chain bracket groove under the traction of haulage gear.
(4) low, stable, the long service life, convenient for installation and maintenance of working of simple, the dependable performance of this mechanism structure, cost.
Accompanying drawing explanation:
Fig. 1 is fundamental diagram of the present invention.
Fig. 2 is vertical view of the present invention.
Fig. 3 is B-B cut-open view in Fig. 2.
Fig. 4 is A-A cut-open view in Fig. 3.
Fig. 5 is I place partial enlarged drawing in Fig. 3.
Fig. 6 is II place partial enlarged drawing in Fig. 3.
Fig. 7 is three-dimensional line block diagram of the present invention.
Fig. 8 is that anchor chain is positioned over schematic diagram one on anchor chain bracket.
Fig. 9 is that anchor chain is positioned over schematic diagram two on anchor chain bracket.
In figure: anchor chain reverse mechanism-1, anchor chain-2, anchor chain bracket-3, tension tester-4, haulage gear-5, chassis-101, former-102, take over a business-103, cover plate-104, screw-105, taper roll bearing I-106, round nut-107, bearing holder (housing, cover)-108, axle sleeve I-109, axle-110, suspension ring-111, taper roll bearing II-112, bearing (ball) cover-113, axle sleeve II-114, O-ring seal-115, fixed head I-116, adjust screw rod-117, adjusting nut-118, fixed head II-119, fixed head III-120, baffle plate I-121, baffle plate II-122, concrete pit-123.
Embodiment:
Below in conjunction with accompanying drawing, by the description of embodiment, to technique scheme of the present invention as the mutual alignment between the shape of each related member and each several part and annexation, principle of work and operation using method etc., make further detailed and specific description, to help person skilled to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme.
A kind of anchor chain reverse mechanism, as shown in Figure 2, comprise chassis 101, former 102, take over a business 103, cover plate 104, screw 105, taper roll bearing I 106, round nut 107, bearing holder (housing, cover) 108, axle sleeve I 109, axle 110, suspension ring 111, taper roll bearing II 112, bearing (ball) cover 113, axle sleeve II 114, O-ring seal 115, fixed head I 116, adjust screw rod 117, adjusting nut 118, fixed head II 119, fixed head III 120, baffle plate I 121, baffle plate II 122, concrete pit 123.
As shown in Figure 3,4, base of the present invention is a rectangular frame structure, and it mainly comprises adjusts screw rod 117, adjusting nut 118, fixed head III 120, fixed head II 119 and fixed head I 116.
As Fig. 3, shown in 4, the square fixed head II 119 of two block lengths is arranged in parallel, in two fixed head II 119 parallel spaces, be welded with fixed head I 116, centered by described fixed head I 116, have the rectangle steel plate of a square through-hole, fixed head I 116 is fixedly welded on fixed head II 119 bottoms that are arranged in parallel.As shown in Figure 4, the direction of fixed head III 120 is mutually vertical with the arranged direction of fixed head II 119, and fixed head III 120 is fixedly welded on the both sides end face of fixed head II 119, and described fixed head III 120 is the rectangular steel plates that a symmetry has four manholes.Adjusting nut 118 is fixedly welded on four manhole places of fixed head III 120, and adjusting nut 118 is positioned at two fixed head III 120 inner sides that are arranged in parallel.Finally in corresponding adjusting nut 118 positions, screw in and adjust screw rods 117, described adjustment screw rod 117 is provided with the screw rod of one section of square boss for two ends, and its effect is convenient wrench rotation adjustment screw position.Said structure forms base portion of the present invention, and base portion of the present invention is connected cooperation by axle 110 with top of the present invention integrated disc portions.
As shown in Figure 3,4, axle 110 is installed in the square through-hole of fixed head I 116, and the upper end of axle 110 is one section of thread spindle, middle one section is ladder optical axis, the other end of axle is square shaft, and wherein square shaft section coordinates with the square through-hole of fixed head I 116, and restrictive axes 110 is circumferentially rotated on base.As shown in Figure 6, have the circular sleeve of manhole centered by axle sleeve II 114, be fixedly welded on transverse plane in two fixed head II 119, axle sleeve II 114 outer circumference surfaces have seal groove, and O-ring seal 115 is assemblied in seal groove and seals.Taper roll bearing II 112 is installed on the optical axis at axle 110 middle parts, as shown in Figure 6, taper roll bearing II 112 inner rings are by bearing holder (housing, cover) II 114 location, and taper roll bearing II 112 outer rings are fixing by bearing (ball) cover 113 location, and wherein bearing (ball) cover 113 is that a cross section is groove type sleeve.On the outside surface of bearing (ball) cover 113, weld axle sleeve I 109, axle sleeve I 109 is a cylindrical sleeve, and as shown in Figure 5, axle sleeve I 109 upper ends have a sector hole footpath slightly large, and it act as location stationary shaft bearing sleeve 108.As shown in Figure 5, bearing holder (housing, cover) 108 is that a cross section is groove type sleeve, bearing holder (housing, cover) 108 groove outside surfaces are located by axle sleeve I 109 varying aperture ladder places, bearing holder (housing, cover) 108 other ends are fixed in axle sleeve I 109 endoporus by spot welding mode, taper roll bearing I 106 is arranged on the optical axis of axle 110 upper ends, taper roll bearing I 106 outer rings are spacing fixing by bearing holder (housing, cover) 108 groove inside surfaces, taper roll bearing I 106 inner rings are propped up by the round nut 107 that is spun on axle 110 upper end screw threads, and taper roll bearing I 106 is by location is fixing completely.
Top of the present invention is a disc structure, and it mainly comprises chassis 101, bearing (ball) cover 113, axle sleeve I 109, take over a business 103, suspension ring 111, cover plate 104, screw 105.
Centered by chassis 101, have the circular slab of manhole, as shown in Figure 3, chassis 101 coordinates installation with bearing (ball) cover 113 outside surfaces, the epitaxial surface that chassis 101 lower surfaces are given prominence to by bearing (ball) cover 113 is located, and chassis 101 upper surfaces and bearing (ball) cover 113 outside surface contact positions are connected and fixed by welding manner.Uniform welding 32 block welding formers 102 on chassis 101.Former 102 is the steel plate of concave shape for profile.As shown in Figure 3, when former 102 is welded and fixed concave shape breach towards chassis 101 radial outward direction, former 102 lower surfaces and 101 contact positions, chassis are welded and fixed, former 102 upper surfaces with take over a business 103 contact positions also for being welded and fixed, described take over a business the circular steel plate that has manhole centered by 103, at manhole, have threaded hole around, for securing cover plate 104 and screw 105 are installed, seal.As shown in Figure 3, with corresponding baffle plate I 121,122 welding of baffle plate II, fill up the gap between former 102, welded rear assurance baffle plate concordant with former face.Take over a business 103 and be arranged symmetrically with 2 suspension ring 111 at upper surface, suspension ring 111 are fixed on 103 by welding manner, and its effect is to facilitate the installation of anchor chain reverse mechanism and adjustment.Fig. 7 is the three-dimensional line block diagram at a certain visual angle of the present invention.
Principle of work: as shown in Figure 8 and Figure 9, anchor chain is placed on the view on bracket, adjacent two chain links are respectively level and square crossing is arranged.As shown in Figure 1, anchor chain bracket 3 is arranged in the fuselage of tension tester 4, haulage gear 5 is arranged on the outside of testing machine, anchor chain reverse mechanism 2 of the present invention is placed in default concrete pit 123, wherein concrete pit 123 is a rectangular parallelepiped pit, pit wall is equipped with steel plate, and its dimple size size just in time can match with base size of the present invention, and base end face of the present invention is located in pit.When carrying out anchor chain or mooring cable tensile test, wire rope is fastened in one end at anchor chain 2, wire rope drives anchor chain 2 to walk around anchor chain reverse mechanism 1 under the traction of haulage gear 5, anchor chain 2 contiguous links after the baffle plate of anchor chain reverse mechanism 1 periphery and former guiding is automatically level and square crossing is arranged, its center line overlaps with the center line of anchor chain bracket 3 and also enters smoothly anchor chain bracket 3 simultaneously.
Because the specification of tested anchor chain and mooring cable is varied, chain link is not of uniform size, so its chain link center of different size anchor chain also can be different.When test different size anchor chain, for guaranteeing that anchor chain can enter in the groove of anchor chain bracket 3 under the traction of winch 5, can be by regulating the adjustment screw rod 117 of base of the present invention to realize the integral translation of anchor chain reverse mechanism, as shown in Figure 1, in figure, h represents that anchor chain reverse mechanism 2 is at the displacement perpendicular in tension tester 4 fuselage directions, when anchor chain specification diminishes, its chain link center line is compared the whole downward bias of meeting with the groove center of anchor chain bracket 3, at this moment rotate 4 and adjust screw rod 117, make base of the present invention adjust upwards skew of screw rod.When anchor chain specification becomes large, its chain link center line is compared with the groove center of anchor chain bracket 3 can be whole upwards inclined to one side, at this moment rotate 4 and adjust screw rod 117, base of the present invention is offset downward at adjustment screw rod, with this, guarantee that anchor chain chain link center line can overlap with the groove center line that is arranged on the anchor chain bracket 3 in tension tester 4, after adjustment, anchor chain reverse mechanism 2 is put into concrete pit 123, under the traction of haulage gear, drive anchor chain to enter in the groove of anchor chain bracket 3, finally carry out the Mechanics Performance Testing of anchor chain.
In sum: relative position automatic straightening after guiding of realizing each chain link of anchor chain 2 by anchor chain reverse mechanism, the contiguous links that is anchor chain 2 is level and square crossing layout, simultaneously by guaranteeing that to adjusting the adjusting of screw rod 117 different size anchor chain chain link center line and anchor chain bracket 3 groove center lines overlap, guarantee that anchor chain 2 enters smoothly anchor chain bracket 3 under haulage gear 5 tractions, for the follow-up tensile test of anchor chain ready.
Claims (4)
1. the reverse mechanism of an anchor chain and mooring cable, comprise base and be arranged at the disc structure on described base, characterized by further comprising former, taper roll bearing I, round nut, bearing holder (housing, cover), axle, taper roll bearing II, axle sleeve II, O-ring seal, baffle plate I, baffle plate II, described base comprises adjusts screw rod, adjusting nut, fixed head I, two fixed head II and two fixed head III, described disc structure comprises chassis, takes over a business, bearing (ball) cover, axle sleeve I, take over a business, suspension ring, cover plate and screw; Wherein said two fixed head II are arranged in parallel, and in two fixed head II parallel spaces, are welded with fixed head I; Described two fixed head III arranged direction are mutually vertical with fixed head II direction, and are fixedly welded on respectively the both sides end face of fixed head II; Described fixed head III is the rectangular steel plates that a symmetry has four manholes; Described adjusting nut is fixedly welded on four manhole places of fixed head III, and is positioned at the two fixed head III inner sides that are arranged in parallel; In corresponding adjusting nut position, screw in and adjust screw rod;
One end of described axle is thread spindle, and centre is ladder optical axis, and the other end is square shaft, and wherein square shaft coordinates with the square through-hole of fixed head I, and restrictive axes is circumferentially rotated on base; Centered by described axle sleeve II, have the circular sleeve of manhole, and be fixedly welded on transverse plane in two fixed head II, its outer circumference surface has seal groove, and O-ring seal is assemblied in seal groove for sealing function; Described taper roll bearing II is installed on the optical axis at axle middle part, and its inner ring is located by bearing holder (housing, cover) II, and its outer ring is fixing by bearing (ball) cover location; Described bearing (ball) cover is that a cross section is groove type sleeve, welds axle sleeve I on its outside surface; Described axle sleeve I is a cylindrical sleeve, and its aperture, upper end is greater than bottom for locating stationary shaft bearing sleeve; Described bearing holder (housing, cover) is that cross section is the sleeve of groove type, and its one end is located by axle sleeve I upper end, and its other end is fixed in axle sleeve I endoporus by spot welding mode; Described taper roll bearing I is arranged on the optical axis of axle upper end, and its outer ring is spacing fixing by bearing holder (housing, cover) groove inside surface, and its inner ring is propped up by the round nut that is spun on axle upper end screw thread, and taper roll bearing I is by location is fixing completely;
Centered by described chassis, have the circular slab of manhole, it coordinates installation with bearing (ball) cover outside surface, and the epitaxial surface that its lower surface is given prominence to by bearing (ball) cover is located, and its upper surface and bearing (ball) cover outside surface contact position are connected and fixed by welding manner; Between described former is welded in chassis and takes over a business; The described circular steel plate that has manhole centered by taking over a business, has threaded hole around at manhole, for securing cover plate and screw being installed for sealing; With corresponding baffle plate I, the welding of baffle plate II, fill up the gap between former; Described taking over a business at upper surface is symmetrically welded and fixes 2 suspension ring for installation and the adjustment of anchor chain reverse mechanism.
2. the reverse mechanism of a kind of anchor chain according to claim 1 and mooring cable, is characterized in that having centered by described fixed head I the rectangle steel plate of a square through-hole being fixedly welded on the fixed head II bottom being arranged in parallel.
3. the reverse mechanism of a kind of anchor chain according to claim 1 and mooring cable, is characterized in that described adjustment screw rod is the screw rod that two ends are all provided with one section of square boss, and described square boss is adjusted screw position for spanner rotation.
4. the reverse mechanism of a kind of anchor chain according to claim 1 and mooring cable, is characterized in that described former profile is the steel plate of concave shape, and when it is welded and fixed, concave shape breach is towards the radial outward direction on chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310624455.6A CN103616174B (en) | 2013-11-28 | 2013-11-28 | The reverse mechanism of a kind of anchor chain and mooring cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310624455.6A CN103616174B (en) | 2013-11-28 | 2013-11-28 | The reverse mechanism of a kind of anchor chain and mooring cable |
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| Publication Number | Publication Date |
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| CN103616174A true CN103616174A (en) | 2014-03-05 |
| CN103616174B CN103616174B (en) | 2015-11-25 |
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| CN201310624455.6A Active CN103616174B (en) | 2013-11-28 | 2013-11-28 | The reverse mechanism of a kind of anchor chain and mooring cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239301A (en) * | 2018-09-12 | 2019-01-18 | 江苏科技大学 | A kind of anchor chain flash welding quality online evaluation method |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109239301A (en) * | 2018-09-12 | 2019-01-18 | 江苏科技大学 | A kind of anchor chain flash welding quality online evaluation method |
| CN109239301B (en) * | 2018-09-12 | 2021-06-01 | 江苏科技大学 | Anchor chain flash welding quality online evaluation method |
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| CN103616174B (en) | 2015-11-25 |
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Application publication date: 20140305 Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Denomination of invention: A reversing mechanism for anchor chain and mooring chain Granted publication date: 20151125 License type: Common License Record date: 20221128 |
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Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Date of cancellation: 20230310 |