CN108190722B - Pulley hanging row for hoisting ship block - Google Patents
Pulley hanging row for hoisting ship block Download PDFInfo
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- CN108190722B CN108190722B CN201711077720.8A CN201711077720A CN108190722B CN 108190722 B CN108190722 B CN 108190722B CN 201711077720 A CN201711077720 A CN 201711077720A CN 108190722 B CN108190722 B CN 108190722B
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- steel wire
- wire rope
- rotating shaft
- pulley
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a pulley hanging row for hoisting a ship block, which comprises a hanging row box body, supports, multidirectional rotating shafts, pulley assemblies, a first steel wire rope, a second steel wire rope and a third steel wire rope, wherein the supports are fixed on the left side and the right side of the upper end surface of the hanging row box body, each support is fixedly provided with one multidirectional rotating shaft, each multidirectional rotating shaft is provided with one pulley assembly, one end of the first steel wire rope is fixed on one crane hook, the other end of the first steel wire rope sequentially penetrates through the left pulley assembly and the right pulley assembly to be fixed on the other crane hook, and the second steel wire rope and the third steel wire rope are both hung on the hanging row box body in a sleeved mode. The invention can reduce the influence of crane hoisting parameters on the balance degree of the hoisted object in the hoisting process, realize the stable hoisting of the hoisted object and meet the requirement of the lateral hoisting of the inclined slipway.
Description
Technical Field
The invention relates to the technical field of large-sized object hoisting, in particular to a pulley hoisting row for hoisting a ship block.
Background
With the development of ship construction technology, the ship building rhythm is gradually accelerated, the carrying of a segmented slipway (dock) is changed into the carrying of a total segment, which is a normal state, but the stable and safe hoisting of some large objects cannot be met due to the limitation of hoisting equipment and the cooperation of operators.
Usually when the row box is hung in the handling, the wire rope of connecting the lifting hook is the lug connection on hanging the row, however, the rising speed of each crane main hook may be different, like this at the handling in-process, very easily appear the difference in height between each lifting hook to make hanging row appear the slope, by hanging the thing slope thereupon, can have the potential safety construction hazard, cause the threat to staff's personal safety, also can influence hoisting equipment's life simultaneously.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and designs a pulley hanging row for hoisting a ship block.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a pulley hangs row for hoist and mount of boats and ships block, includes hangs row box, support, multidirectional pivot, loose pulley assembly, first wire rope, second wire rope and third wire rope, the support is fixed in the left and right both sides of hanging row box up end, all is fixed with one on every support can be for the preceding, the back pivoted multidirectional pivot of support, all is provided with one in every multidirectional pivot and can be for the left and right pivoted loose pulley assembly of multidirectional pivot, the loose pulley assembly of left and right both sides is mirror symmetry setting, the one end of first wire rope is fixed on a crane hook, thereby the other end passes left loose pulley assembly and the loose pulley assembly on right side in proper order and fixes on another crane hook, second wire rope and third wire rope all overlap and hang on hanging row box.
Preferably, the support comprises a fixing eye plate arranged on the upper surface of the hanging row box body, and a reinforcing toggle plate arranged at the joint of the fixing eye plate and the hanging row box body, and the multi-directional rotating shaft is fixed between the two fixing eye plates.
Preferably, the multi-directional rotating shaft comprises a rotating shaft, a shaft sleeve sleeved outside the rotating shaft and a longitudinal shaft integrally arranged with the shaft sleeve, and the end parts of the rotating shaft are respectively movably arranged in the eye plate holes of the fixed eye plates at the two sides of the rotating shaft.
Preferably, the multi-directional rotating shaft is a cross-shaped rotating shaft, and two ends of a transverse shaft of the multi-directional rotating shaft are respectively and movably arranged in the eye plate holes of the fixed eye plates on the two sides of the multi-directional rotating shaft.
Preferably, the pulley assembly comprises a pulley and shaft connecting pieces arranged on two sides of the pulley, one end of each shaft connecting piece is fixedly connected with the pulley, and the other end of each shaft connecting piece is movably arranged on a longitudinal shaft of the multi-direction rotating shaft.
Preferably, the two second steel wire ropes are symmetrically sleeved on two sides of the hanging row box body respectively, the two second steel wire ropes are fixed in one shackle, and each steel wire rope is located on the outer side of the corresponding multidirectional rotating shaft.
Preferably, the number of the third steel wire ropes is two, the third steel wire ropes are symmetrically sleeved on the left end side and the right end side of the hanging row box body respectively, and a shackle is fixed at the lower end of each steel wire rope.
Preferably, a set of fixed baffles are arranged at the hitching positions of the second steel wire rope and the third steel wire rope, the second steel wire rope and the third steel wire rope are arranged in a gap between the two corresponding fixed baffles, and the fixed baffles are fixed on the upper surface of the hanging row box body.
The invention has the following positive beneficial effects: according to the invention, the two supports are arranged on the lifting row box body, and the multidirectional rotating shaft and the pulley assembly are fixed on each support, so that the influence of crane lifting parameters on the balance degree of a lifted object in the lifting process can be reduced, and the lifted object can be stably lifted by adjusting the balance degree of the pulleys fixed on the multidirectional rotating shaft. Meanwhile, the multidirectional rotating shaft can rotate forwards and backwards, so that the requirement of lateral hoisting of the inclined slipway can be met, and the hoisted object can be hoisted more safely, reliably and stably.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view showing the installation state of the pulley assembly and the support.
Fig. 4 is a schematic structural view of the multi-directional rotating shaft.
The specific meanings of the reference numbers in the figures are: the hoisting device comprises a hoisting row box body 1, a fixing eye plate 2, a reinforcing toggle plate 3, a multidirectional rotating shaft 4, a support 5, a shaft connecting piece 6, a pulley 7, a first steel wire rope 8, a fixing baffle 9, a second steel wire rope 10, a third steel wire rope 11, a shackle 12, a crane hook 13, a rotating shaft 14, a shaft sleeve 15 and a longitudinal shaft 16.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the first embodiment, the pulley lifting sling for hoisting a ship block according to the present invention is described with reference to fig. 1 to 4, and includes a lifting sling box 1, a support 5, a multi-directional rotating shaft 4, a pulley assembly, a first steel wire rope 8, a second steel wire rope 10, and a third steel wire rope 11.
The support 5 is fixed on the left side and the right side of the upper end face of the hanging row box body 1, and the support 5 comprises a fixing eye plate 2 arranged on the upper surface of the hanging row box body 1 and a reinforcing bracket plate 3 arranged at the joint of the fixing eye plate and the hanging row box body. Each support 5 is fixed with a multi-direction rotating shaft 4 which can rotate forwards and backwards relative to the support, and the multi-direction rotating shaft 4 is fixed between two corresponding fixed eye plates. Each multi-direction rotating shaft 4 is provided with a pulley component which can rotate left and right relative to the multi-direction rotating shaft, and the pulley components on the left side and the right side are arranged in a mirror symmetry manner.
As shown in fig. 4, the multi-directional rotating shaft 4 includes a rotating shaft 14, a shaft sleeve 15 sleeved outside the rotating shaft 14, and a longitudinal shaft 16 integrally disposed with the shaft sleeve 15, wherein end portions of the rotating shaft 14 are movably disposed in the eyelet plate holes of the fixed eyelet plates 2 at two sides thereof, respectively.
Pulley assembly includes pulley 7, sets up the axle connecting piece 6 in pulley 7 both sides, the one end and the pulley 7 fixed connection of axle connecting piece 6, the other end activity sets up on the longitudinal axis 16 of multidirectional pivot, and axle connecting piece 6 can drive the pulley and carry out left and right rotation for the multidirectional pivot.
One end of the first steel wire rope 8 is fixed on one crane hook 13, the other end of the first steel wire rope penetrates through the left pulley assembly and the right pulley assembly in sequence to be fixed on the other crane hook, and the second steel wire rope 10 and the third steel wire rope 11 are both hung on the hanging row box body in a sleeved mode.
The two second steel wire ropes 10 are symmetrically hung on two sides of the hanging row box body 1 respectively, the left second steel wire rope is located on the outer side of the left support, the right second steel wire rope is located on the outer side of the right support, and the left second steel wire rope 10 and the right second steel wire rope 10 are fixed in a shackle 12. In order to prevent the steel wire rope from sliding left and right during hoisting, a group of fixed baffles 9 can be respectively arranged at the sleeving and hanging positions of the two second steel wire ropes 10, the fixed baffles 9 are fixed on the upper surface of the hoisting row box body 1, and the second steel wire ropes 10 are clamped in a gap between the two fixed baffles 9.
The number of the third steel wire ropes 11 is two, the third steel wire ropes are symmetrically sleeved on the left end side and the right end side of the hanging row box body 1 respectively, and a shackle 12 is fixed at the lower end of each steel wire rope. In order to prevent the steel wire rope from sliding left and right during hoisting, a group of fixed baffles 9 can be respectively arranged at the sleeving and hanging positions of the two third steel wire ropes, and the third steel wire rope 11 is clamped in a gap between the two fixed baffles 9.
In the hoisting process, if the ascending speeds of the left crane hook and the right crane hook are inconsistent, one end of the first steel wire rope is fixed on the left lifting hook, the other end of the first steel wire rope penetrates through the left pulley and the right pulley and then is fixed on the right lifting hook, and the pulley assemblies on the left side and the right side can automatically rotate left and right according to the actual balance condition, so that the hoisted object is kept balanced.
The operation can generally be carried out on the slope building berth in present shipbuilding place, when being hung the whereabouts of thing spare, the lateral tilt of certain degree will appear in the row of hanging, when appearing inclining, multidirectional pivot can carry out fore-and-aft rotation for the support to the adjustment is hung the equilibrium degree of thing, makes and is hung the thing spare and keep balance, thereby satisfies the hoist and mount safety requirement of job site.
The second embodiment is different from the first embodiment in that the multi-directional rotating shaft 4 is a cross-shaped rotating shaft, the specific shape of which is the same as that of the first embodiment, and the difference is that the multi-directional rotating shaft in the first embodiment is integrally formed, two ends of a transverse shaft of the multi-directional rotating shaft are respectively and movably arranged in the eye plate holes of the fixed eye plates at two sides of the multi-directional rotating shaft, and the transverse shaft of the multi-directional rotating shaft can rotate back and forth in the eye plate holes of the fixed eye plates. Other specific embodiments are the same as the first embodiment, and detailed description thereof is omitted.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will appreciate that; modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (6)
1. A pulley hanging row for hoisting a ship block is characterized by comprising a hanging row box body (1), a support (5), a multi-directional rotating shaft (4), a pulley component, a first steel wire rope (8), a second steel wire rope (10) and a third steel wire rope (11), the supports (5) are fixed on the left side and the right side of the upper end surface of the hanging row box body (1), each support (5) is fixed with a multi-directional rotating shaft (4) which can rotate relative to the supports in the front and back directions, each multi-directional rotating shaft (4) is provided with a pulley assembly which can rotate relative to the multi-directional rotating shafts in the left and right directions, the pulley assemblies on the left and right sides are arranged in a mirror symmetry manner, one end of the first steel wire rope (8) is fixed on one crane hook, the other end of the first steel wire rope passes through the pulley assembly on the left side and the pulley assembly on the right side in sequence to be fixed on the other crane hook, the second steel wire rope (10) and the third steel wire rope (11) are sleeved and hung on the hanging row box body (1); the support (5) comprises a fixing eye plate (2) arranged on the upper surface of the hanging row box body and a reinforcing toggle plate (3) arranged at the joint of the fixing eye plate and the hanging row box body, and the multi-directional rotating shaft (4) is fixed between the two fixing eye plates; the multidirectional rotating shaft (4) comprises a rotating shaft (14), a shaft sleeve (15) sleeved on the outer side of the rotating shaft and a longitudinal shaft (16) integrally arranged with the shaft sleeve, and the end parts of the rotating shaft (14) are movably arranged in eye plate holes of the fixed eye plates (2) on the two sides of the rotating shaft respectively.
2. The pulley hanging row for hoisting the ship block according to claim 1, wherein the multi-directional rotating shaft (4) is a cross-shaped rotating shaft, and two ends of a transverse shaft of the multi-directional rotating shaft are respectively and movably arranged in the eye plate holes of the fixed eye plates at two sides of the multi-directional rotating shaft.
3. The pulley hanging row for hoisting the ship block according to claim 1, wherein the pulley assembly comprises a pulley (7) and shaft connecting pieces (6) arranged at two sides of the pulley, one end of each shaft connecting piece (6) is fixedly connected with the pulley (7), and the other end of each shaft connecting piece is movably arranged on a longitudinal shaft (16) of the multi-directional rotating shaft.
4. The pulley hoist row for hoisting the ship block according to claim 1, wherein the number of the second steel wire ropes (10) is two, the two second steel wire ropes are symmetrically hung on two sides of the hoist row box body (1) respectively, and the two second steel wire ropes are fixed in a shackle, and each steel wire rope is positioned outside the corresponding multi-directional rotating shaft.
5. The pulley hoist row for hoisting the ship block according to claim 1, wherein the number of the third steel wire ropes (11) is two, the third steel wire ropes are symmetrically sleeved on the left end side and the right end side of the hoist row box body (1), and a shackle is fixed at the lower end of each steel wire rope.
6. The pulley hoist row for hoisting the ship block according to claim 1, wherein a set of fixed baffles (9) are arranged at the hitching positions of the second steel wire rope (10) and the third steel wire rope (11), the second steel wire rope (10) and the third steel wire rope (11) are arranged in a gap between the two corresponding fixed baffles, and the fixed baffles are fixed on the upper surface of the hoist row box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077720.8A CN108190722B (en) | 2017-11-06 | 2017-11-06 | Pulley hanging row for hoisting ship block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077720.8A CN108190722B (en) | 2017-11-06 | 2017-11-06 | Pulley hanging row for hoisting ship block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108190722A CN108190722A (en) | 2018-06-22 |
| CN108190722B true CN108190722B (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711077720.8A Active CN108190722B (en) | 2017-11-06 | 2017-11-06 | Pulley hanging row for hoisting ship block |
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| Country | Link |
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| CN (1) | CN108190722B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520579A (en) * | 2020-12-16 | 2021-03-19 | 厦门大学 | Multi-lifting-point self-balancing lifting device with adjustable interval |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340470C (en) * | 2005-06-20 | 2007-10-03 | 上海外高桥造船有限公司 | Sectional hoisting method |
| CN201292203Y (en) * | 2008-10-31 | 2009-08-19 | 巨力索具股份有限公司 | Sling row |
| CN201686432U (en) * | 2010-04-09 | 2010-12-29 | 中船澄西船舶修造有限公司 | 800-ton suspensory rigging |
| CN203451045U (en) * | 2013-08-01 | 2014-02-26 | 中船澄西船舶修造有限公司 | Multi-purpose self-balancing lifting beam |
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2017
- 2017-11-06 CN CN201711077720.8A patent/CN108190722B/en active Active
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| Publication number | Publication date |
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| CN108190722A (en) | 2018-06-22 |
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