CN114229681B - High-stability offshore hoisting process for fan installation - Google Patents
High-stability offshore hoisting process for fan installation Download PDFInfo
- Publication number
- CN114229681B CN114229681B CN202111631764.7A CN202111631764A CN114229681B CN 114229681 B CN114229681 B CN 114229681B CN 202111631764 A CN202111631764 A CN 202111631764A CN 114229681 B CN114229681 B CN 114229681B
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- Prior art keywords
- lifting
- fixedly connected
- hook body
- lifting hook
- oil
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 title claims description 16
- 239000003921 oil Substances 0.000 claims abstract description 77
- 239000010687 lubricating oil Substances 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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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
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
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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
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
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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
- F16N—LUBRICATING
- F16N9/00—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a high-stability offshore hoisting process for installing a fan, which belongs to the technical field of hoisting equipment and comprises a lifting hook body, wherein a supporting locking piece is hinged on the lifting hook body, an oil outlet cylinder is fixedly connected to the lower side wall of the supporting locking piece, a pressurized oil bag is connected to the inside of the oil outlet cylinder in a sliding manner, the pressurized oil bag comprises a telescopic bag, a fixed round box and an annular box are respectively fixedly connected to the upper end and the lower end of the telescopic bag, the problem that huge friction force is generated between the lifting hook and the lifting ring at the moment that the traditional lifting hook lifts a fan part is effectively relieved through negative pressure generated in a cavity of the supporting locking piece when the lifting hook body ascends, and the telescopic bag is pressed when the fan part is blown and rocked by wind force, so that lubricating oil is sprayed between the lifting hook body and the lifting ring, and the friction force between the lifting hook body and the lifting ring is effectively reduced, and the service life of the lifting hook body is prolonged.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a high-stability offshore hoisting process for fan installation.
Background
Hoisting refers to the general term that a crane or a hoisting mechanism is used for installing and positioning equipment, and various hoisting machines are used for hoisting equipment, workpieces, appliances, materials and the like in the process of overhauling or maintaining so as to change the position of the equipment.
The sling is commonly used with special rigging such as lifting hooks, steel wire ropes, chains and the like. The lifting sucker, the clamp, the fork and the like can be used for a long time on a crane as a special lifting appliance, can also be used as a replaceable auxiliary lifting appliance to be hung on a lifting hook for temporary use, and are commonly used for multi-cargo warehouse and storage yard so as to improve the operation efficiency. The lifting appliance for grabbing the scattered fan parts is generally a grab bucket with a jaw plate capable of being opened and closed, and electromagnetic chucks can be used for sucking magnetic permeability fan parts such as metal chips. The conventional lifting appliance for lifting the mobile fan component is provided with a bucket and a hanging tank, molten steel or chemical solution is generally discharged through a tilting or bottom plug drawing mode, the mobile fan component such as concrete is discharged through opening the bottom door of the hanging tank, and when a crane performs lifting operation, the lifting appliance needs to be used for lifting the fan component, so that the lifting appliance becomes one of the most important hardware in the crane.
However, in the installation process of the offshore wind turbine, the offshore wind turbine is greatly influenced by weather, once the wind turbine component is lifted in the process of heavy wind, the wind turbine component is rocked, abrasion occurs between the lifting ring and the lifting hook, and the actual bearing weight of the lifting hook is reduced over time, and the service life of the lifting hook is seriously shortened.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a high-stability offshore hoisting process for installing a fan, which can effectively relieve the problem that huge friction force is generated between a lifting hook and a lifting ring at the moment of hoisting the fan part by the existing lifting hook through supporting negative pressure generated in a locking block cavity when the lifting hook body ascends, can compress a telescopic bag when the fan part is blown and shaken by wind force, and sprays lubricating oil between the lifting hook body and the lifting ring, thereby effectively reducing the friction force between the lifting hook body and the lifting ring and further prolonging the service life of the lifting hook body.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The high-stability offshore hoisting process for installing the fan comprises a lifting hook body, wherein the lifting hook body is hinged with a supporting lock block, an oil outlet cylinder is fixedly connected to the lower side wall of the supporting lock block, a pressurized oil bag is fixedly connected to the lower side wall of the oil outlet cylinder in a sliding manner, the pressurized oil bag comprises a telescopic bag, a fixed round box and an annular box are respectively fixedly connected to the upper end and the lower end of the telescopic bag, a return spring is fixedly connected between the fixed round box and the annular box, a movable plug is fixedly connected to the upper side wall of the fixed round box, a cavity is formed in the supporting lock block, a tension spring is fixedly connected between the movable plug and the cavity, an air inlet hole communicated with the cavity is formed in the supporting lock block, a tension transmission pipe is fixedly connected to the lower side wall of the fixed round box, two branch pipes are fixedly connected with the annular box, a connecting cylinder is fixedly connected to the lower end of the tension transmission pipe, lubricating oil is filled in the telescopic bag, a hoisting ring is sleeved on the lifting hook body, the lifting hook body comprises a hoisting ring is fixedly connected to the annular box, a plurality of connecting rods are fixedly connected to the annular boxes, and one end of the connecting rods are fixedly connected to the annular boxes, and the connecting rods are fixedly connected to the annular boxes;
The hoisting process comprises the following steps:
S1, material installation: placing the fan component on a hanging plate, and fixing the fan component through a rope;
S2, connecting a lifting appliance: the lifting ring is sleeved on the lifting hook body through a supporting locking piece on the plate-opened lifting hook body, and the assembly barrel is rotated to be in threaded connection with the connecting barrel;
S3, filling lubricating oil: when the lifting hook body ascends, after the telescopic bag moves to the bottom of the oil outlet cylinder, a worker presses the disc, oil is supplied to the pressurized oil bag by using oil injection equipment, and oil injection is stopped until lubricating oil overflows from the disc;
s4, hoisting starts: starting a crane to carry out hoisting operation;
S5, disassembling the lifting appliance: after the fan part is lifted, the connecting cylinder and the collecting cylinder are screwed again, and the separation of the lifting hook body and the lifting ring is completed.
Further, the locking hole matched with the lifting hook body is cut on the supporting locking block, a side wall of the supporting locking block is connected with a bolt in a threaded mode, a threaded hole matched with the bolt is cut on the lifting hook body, and stability of connection between the supporting locking block and the lifting hook body can be effectively improved.
Further, go out the oil drum and the flexible bag all adopts transparent material to make, install the check valve on the fixed circle box, be convenient for observe whether the inside lubricating oil of flexible bag is abundant, through the check valve, can be convenient for fill lubricating oil, play the effect that prevents lubricating oil leakage simultaneously.
Further, the support locking piece is located the inlet port top fixedly connected with and filters the cotton net, can prevent effectively that external impurity from leading to the fact the jam, influence the inlet air.
Further, two limiting ring plates are fixedly connected to the lifting hook body, and the lifting ring is located between the two limiting ring plates and can play a limiting role on the lifting ring, so that the lifting ring is prevented from shifting, and abrasion is generated on the lifting hook body.
Further, the lifting hook body is located between the two limiting ring plates and is cast with a filling block, so that the stability of the lifting ring can be improved.
Further, the distance between the bottom of the pressed oil bag and the inner wall of the lower side of the oil outlet cylinder is equal to the distance between the inner wall of the upper side of the lifting ring and the lifting hook body, so that the lifting ring can not squeeze the pressed oil bag under the condition that the lifting ring does not rotate.
Further, through holes are drilled in the side wall of the lower end of the oil outlet cylinder, so that workers can fill lubricating oil conveniently.
Further, the oil outlet cylinder is fixedly connected with an annular limiting plate above the movable piston, and can play a limiting role.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) This scheme can be when lifting hook body rises, through the negative pressure that produces in the supporting lock piece cavity, effectively alleviate the moment that current lifting hook lifted the fan part, produce huge frictional force's problem between lifting hook and the rings to can make the flexible bag pressurized when the fan part is rocked because of wind-force is blown, spray out lubricating oil to between lifting hook body and the rings, effectually reduced the frictional force between lifting hook body and the rings, and then prolonged the life of lifting hook body.
(2) The locking hole matched with the lifting hook body is cut on the supporting locking block, a side wall of the supporting locking block is connected with a bolt in a threaded mode, a threaded hole matched with the bolt is cut on the lifting hook body, and stability of connection between the supporting locking block and the lifting hook body can be effectively improved.
(3) Go out oil drum and flexible bag and all adopt transparent material to make, install the check valve on the fixed circle box, whether the inside lubricating oil of flexible bag is abundant of observation of being convenient for, through the check valve, can be convenient for fill lubricating oil, play the effect that prevents lubricating oil leakage simultaneously.
(4) The supporting locking piece is located the inlet port top fixedly connected with and filters the cotton web, can prevent effectively that external impurity from leading to the fact the jam, influences the inlet air.
(5) The lifting hook body is fixedly connected with two limiting ring plates, and the lifting ring is located between the two limiting ring plates, so that the lifting ring can be limited, the lifting ring is prevented from shifting, and abrasion is generated to the lifting hook body.
(6) The lifting hook body is located between the two limiting ring plates and is cast with a filling block, so that the stability of the lifting ring can be improved.
(7) The distance between the bottom of the pressurized oil bag and the inner wall of the lower side of the oil outlet cylinder is equal to the distance between the inner wall of the upper side of the lifting ring and the lifting hook body, so that the lifting ring can not extrude the pressurized oil bag under the condition of no rotation.
(8) Through holes are drilled on the side wall of the lower end of the oil outlet cylinder, so that workers can fill lubricating oil conveniently.
(9) The oil outlet cylinder is fixedly connected with an annular limiting plate above the movable piston, and can play a limiting role.
Drawings
FIG. 1 is a three-dimensional perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the support lock block of the present invention;
FIG. 3 is a schematic view of the structure of the pressurized oil bladder portion of the present invention;
FIG. 4 is a schematic view of the structure of the lifting ring of the present invention;
FIG. 5 is a view showing the support lock of the present invention in an open state;
FIG. 6 is a state diagram of the invention after the connecting cylinder and the connecting cylinder are connected;
FIG. 7 is a view showing the lifting hook body of the present invention in a raised state;
FIG. 8 is a side view in cross section of the lifting hook body of the present invention raised;
FIG. 9 is a view of the present invention with the bail rotated;
FIG. 10 is a state diagram of the pressurized oil bladder of the present invention when pressurized;
Fig. 11 is a process flow diagram of the present invention.
The reference numerals in the figures illustrate:
The lifting hook comprises a lifting hook body 1, a supporting locking block 2, an air inlet 21, a filtering cotton net 22, a locking hole 23, a bolt 24, an oil outlet 3, a pressurized oil bag 4, a telescopic bag 41, a fixed round box 42, a sealing piece 421, a connecting rod 422, a disc 423, a compression spring 424, a check valve 425, an annular box 43, a return spring 44, a movable plug 5, a tension spring 6, a tension transmission pipe 7, a branch pipe 71, a connecting cylinder 72, a limiting ring plate 8, a lifting ring 9, an annular hanging block 91, an oil delivery pipe 92, a gathering cylinder 93, an oil inlet 94, a lifting rope 10 and a filling block 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
Referring to fig. 1-6, a high stability offshore hoisting process for installing a fan comprises a hook body 1, wherein a supporting lock block 2 is hinged on the hook body 1, an oil outlet cylinder 3 is fixedly connected to the lower side wall of the supporting lock block 2, a pressurized oil bag 4 is slidingly connected to the inside of the oil outlet cylinder 3, the pressurized oil bag 4 comprises a telescopic bag 41, a fixed round box 42 and an annular box 43 are fixedly connected to the upper end and the lower end of the telescopic bag 41 respectively, the fixed round box 42 and the annular box 43 are communicated with the telescopic bag 41, a return spring 44 is fixedly connected between the fixed round box 42 and the annular box 43, a movable plug 5 is fixedly connected to the upper side wall of the fixed round box 42, a cavity is cut in the supporting lock block 2, a tension spring 6 is fixedly connected between the movable plug 5 and the cavity, an air inlet hole 21 communicated with the cavity is cut in the supporting lock block 2, a tension transmission pipe 7 is fixedly connected to the lower side wall of the fixed round box 42, two branch pipes 71 are fixedly connected to the tension transmission pipe 7, the two branch pipes 71 are communicated with the annular box 43, the lower end of the tension transmission pipe 7 is fixedly connected with a connecting cylinder 72, a pressure release valve is arranged in the connecting cylinder 72 to prevent leakage caused by lubricating oil when the telescopic bag 41 is not pressed, the telescopic bag 41 is filled with lubricating oil, the lifting hook body 1 is sleeved with the lifting ring 9, the lifting ring 9 comprises an annular hanging block 91, the upper side wall of the annular hanging block 91 is fixedly connected with a plurality of oil conveying pipes 92, the plurality of oil conveying pipes 92 are rotationally connected with the same collecting cylinder 93, the collecting cylinder 93 is in threaded connection with the connecting cylinder 72, a plurality of oil inlets 94 are formed in the annular hanging block 91, the plurality of oil inlets 94 are communicated with the oil conveying pipes 92, the lower side wall of the annular hanging block 91 is fixedly connected with a hanging rope 10, the other end of the hanging rope 10 is connected with a hanging plate, which is not shown in the drawing, when hanging operation is carried out, firstly, after the fan component is fixed on the lifting plate by the staff, two limiting ring plates 8 are fixedly connected to the lifting hook body 1, the lifting ring 9 is located between the two limiting ring plates 8, the lifting ring 9 is sleeved between the two limiting ring plates 8 on the lifting hook body 1, then the locking block 2 is supported by the plates, and the connecting cylinder 93 is rotated to enable the lifting ring to be in threaded connection with the connecting cylinder 72, as shown in fig. 6, at the moment, under the pulling force of the tension spring 6, the lifting ring 9 is pulled by the fixed round box 42, a certain distance exists between the upper side inner wall of the fixed round box and the lifting hook body 1, 23 matched with the lifting hook body 1 is cut on the supporting locking block 2, 24 is connected to one side wall of the supporting locking block 2 in a threaded manner, a threaded hole matched with the 24 is cut on the lifting hook body 1, then the lifting hook body 2 is fixedly connected with the lifting hook body 1 through the 24, as shown in fig. 7, after the connection of the lifting hook is completed, the lifting hook body 1 is rapidly pulled by the staff, thereby the tension spring 6 is pulled, the lifting hook body 5 is pulled by the tension spring, the air is rapidly, the negative pressure of the lifting hook is buffered from the inner side of the lifting hook body 1, the air is greatly buffered, and the problem of the air is solved immediately, and the problem is solved.
The hoisting process comprises the following steps:
S1, material installation: placing the fan component on a hanging plate, and fixing the fan component through a rope;
S2, connecting a lifting appliance: the hanging ring 9 is sleeved on the hanging hook body 1 through the supporting locking piece 2 on the plate-opened hanging hook body 1, and the assembling cylinder 93 is rotated to be in threaded connection with the connecting cylinder 72;
S3, filling lubricating oil: when the lifting hook body (1) ascends, after the telescopic bag (41) moves to the bottom of the oil outlet cylinder (3), a worker presses the disc (423), oil is supplied to the pressurized oil bag (4) by using oil injection equipment, and oil injection is stopped until lubricating oil overflows from the disc (423);
s4, hoisting starts: starting a crane to carry out hoisting operation;
s5, disassembling the lifting appliance: after the fan component is lifted, the connecting cylinder 72 and the gathering cylinder 93 are screwed again, and the separation of the lifting hook body 1 and the lifting ring 9 is completed.
Referring to fig. 1-11, the distance between the bottom of the pressurized oil bag 4 and the inner wall of the lower side of the oil outlet cylinder 3 is equal to the distance between the inner wall of the upper side of the hanging ring 9 and the hanging hook body 1, after the hanging hook body 1 lifts the fan component, when a strong wind appears, the fan component is blown by the wind to shake, so that the hanging rope 10 drives the hanging ring 9 to rotate, as shown in fig. 10, when the hanging ring 9 rotates, the connecting cylinder 72 pulls the fixed round box 42 by pulling the oil delivery pipe 92, so as to squeeze the telescopic bag 41, as shown in fig. 11, the lubricating oil in the telescopic bag 41 is discharged to the oil inlet 94 in the annular hanging block 91 through the pull delivery pipe 7 and the oil delivery pipe 92, so that the lubricating oil flows between the annular hanging block 91 and the hanging hook body 1, thereby effectively reducing the abrasion between the annular hanging block 91 and the hanging hook body 1, and notably, since the distance between the bottom of the pressurized oil bag 4 and the inner wall of the lower side of the oil outlet cylinder 3 is equal to the distance between the inner wall of the upper side of the hanging ring 9 and the hanging ring 1, so that the telescopic bag 41 does not rotate, and the telescopic bag 41 does not squeeze the lubricating oil.
Referring to fig. 4, a connecting rod 422 is inserted onto a side wall of the fixed round box 42, one end of the connecting rod 422 extends to the inside of the fixed round box 42 and is fixedly connected with a sealing sheet 421, the other end of the connecting rod 422 is fixedly connected with a disc 423, a compression spring 424 is fixedly connected between the disc 423 and the fixed round box 42, a one-way valve 425 is installed on the fixed round box 42, after the lifting ring 9 is aligned, the telescopic bag 41 is not extruded any more, so that the shape of the telescopic bag is restored under the restoring action of the restoring spring 44, the one-way valve 425 is promoted to be opened, air can enter the telescopic bag 41, and the telescopic bag 41 can be continuously extruded.
Referring to fig. 3, a through hole is cut on the sidewall of the lower end of the oil outlet cylinder 3, the oil outlet cylinder 3 and the telescopic bag 41 are made of transparent materials, a one-way valve 425 is installed on the fixed round box, so that whether the lubricating oil in the telescopic bag 41 is sufficient or not can be conveniently observed, the lubricating oil can be conveniently filled through the one-way valve 425, the effect of preventing the lubricating oil from leaking is achieved, the lubricating oil needs to be filled again when the next hoisting operation is performed, the oil filling equipment is used for supplying oil to the pressurized oil bag 4 through the through hole until the disc 423 overflows the lubricating oil, the oil filling is stopped, and meanwhile, the disc 423 needs to be pressed, so that the inside of the fixed round box 42 is communicated with the outside, and the air in the fixed round box 42 is conveniently discharged.
Referring to fig. 3 and 8, the supporting locking block 2 is fixedly connected with 22 above 21, which can prevent the 21 from being blocked by external impurities to a certain extent, and the lifting hook body 1 is cast with a filling block 11 between two limiting ring plates 8, so that the stability of the lifting ring 9 can be improved.
The above is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a high stability marine hoisting technology for fan installation, includes lifting hook body (1), its characterized in that: the lifting hook body (1) is hinged with a supporting locking block (2), the lower side wall of the supporting locking block (2) is fixedly connected with an oil outlet cylinder (3), the inside sliding connection of the oil outlet cylinder (3) is provided with a pressurized oil bag (4), the pressurized oil bag (4) comprises a telescopic bag (41), the upper end and the lower end of the telescopic bag (41) are fixedly connected with a fixed round box (42) and an annular box (43) respectively, a return spring (44) is fixedly connected between the fixed round box (42) and the annular box (43), the upper side wall of the fixed round box (42) is fixedly connected with a movable plug (5), a cavity is formed in the supporting locking block (2), a tension spring (6) is fixedly connected between the movable plug (5) and the cavity, the supporting locking block (2) is provided with an air inlet hole (21) communicated with the cavity, the lower side wall of the fixed round box (42) is fixedly connected with a tension transmission pipe (7), the two branched pipes (71) are fixedly connected with the two air inlet holes (7), the two branched pipes (71) are fixedly connected with the annular box (71) and the annular box (43) and are fixedly connected with a lifting hook body (9) and the inner part (72), the lifting ring (9) comprises an annular lifting block (91), a plurality of oil delivery pipes (92) are fixedly connected to the upper side wall of the annular lifting block (91), a plurality of oil delivery pipes (92) are rotationally connected with the same collecting cylinder (93), the collecting cylinder (93) is in threaded connection with the connecting cylinder (72), a plurality of oil inlets (94) are formed in the annular lifting block (91), the oil inlets (94) are communicated with the oil delivery pipes (92), a lifting rope (10) is fixedly connected to the lower side wall of the annular lifting block (91), a connecting rod (422) is inserted into the side wall of the fixed round box (42), one end of the connecting rod (422) extends to a sealing plate (421) fixedly connected to the inside of the fixed round box (42), a disc (423) is fixedly connected to the other end of the connecting rod (422), and a compression spring (424) is fixedly connected between the disc (423) and the fixed round box (42);
The hoisting process comprises the following steps:
S1, material installation: placing the fan component on a hanging plate, and fixing the fan component through a rope;
s2, connecting a lifting appliance: the lifting ring (9) is sleeved on the lifting hook body (1) through the supporting locking piece (2) on the plate-opened lifting hook body (1), and the assembly cylinder (93) is rotated to be in threaded connection with the connecting cylinder (72);
S3, filling lubricating oil: when the lifting hook body (1) ascends, after the telescopic bag (41) moves to the bottom of the oil outlet cylinder (3), a worker presses the disc (423), oil is supplied to the pressurized oil bag (4) by using oil injection equipment, and oil injection is stopped until lubricating oil overflows from the disc (423);
s4, hoisting starts: starting a crane to carry out hoisting operation;
S5, disassembling the lifting appliance: after the fan part is lifted, the connecting cylinder (72) and the collecting cylinder (93) are screwed again, and the separation of the lifting hook body (1) and the lifting ring (9) is completed.
2. A high stability offshore hoisting process for fan installation as claimed in claim 1, wherein: the locking device is characterized in that a locking hole (23) matched with the lifting hook body (1) is cut in the supporting locking block (2), a bolt (24) is connected to one side wall of the supporting locking block (2) in a threaded mode, and a threaded hole matched with the bolt (24) is cut in the lifting hook body (1).
3. A high stability offshore hoisting process for fan installation as claimed in claim 1, wherein: the oil outlet cylinder (3) and the telescopic bag (41) are made of transparent materials.
4. A high stability offshore hoisting process for fan installation as claimed in claim 1, wherein: two limiting ring plates (8) are fixedly connected to the lifting hook body (1), and the lifting ring (9) is located between the two limiting ring plates (8).
5. A high stability offshore hoisting process for fan installation as claimed in claim 1, wherein: and a one-way valve (425) is arranged on the fixed round box (42).
6. A high stability offshore hoisting process for fan installation as claimed in claim 1, wherein: the supporting locking block (2) is fixedly connected with a filter cotton net (22) above the air inlet hole (21).
7. The high stability offshore hoisting process for fan installation of claim 4, wherein: the lifting hook body (1) is positioned between the two limiting ring plates (8) and is cast with a filling block (11).
8. A high stability offshore hoisting process for fan installation as claimed in claim 1, wherein: the distance between the bottom of the pressed oil bag (4) and the inner wall of the lower side of the oil outlet cylinder (3) is equal to the distance between the inner wall of the upper side of the lifting ring (9) and the lifting hook body (1).
9. A high stability offshore hoisting process for fan installation as claimed in claim 1, wherein: and a through hole is cut on the side wall of the lower end of the oil outlet cylinder (3).
10. A high stability offshore hoisting process for fan installation as claimed in claim 1, wherein: the oil outlet cylinder (3) is fixedly connected with an annular limiting plate above the movable plug (5).
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| JP2007153583A (en) * | 2005-12-07 | 2007-06-21 | Mitsubishi Fuso Truck & Bus Corp | Hook device |
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| CN114229681A (en) | 2022-03-25 |
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