CN114229681A - High-stability marine hoisting process for fan installation - Google Patents
High-stability marine hoisting process for fan installation Download PDFInfo
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- CN114229681A CN114229681A CN202111631764.7A CN202111631764A CN114229681A CN 114229681 A CN114229681 A CN 114229681A CN 202111631764 A CN202111631764 A CN 202111631764A CN 114229681 A CN114229681 A CN 114229681A
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- hook body
- fixedly connected
- oil
- lifting
- hoisting
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 80
- 239000010687 lubricating oil Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000002776 aggregation Effects 0.000 claims description 10
- 238000004220 aggregation Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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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
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- 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 fan installation, belonging to the technical field of hoisting equipment, and the high-stability offshore hoisting process for fan installation comprises a hoisting hook body, wherein a supporting locking block is hinged on the hoisting hook body, an oil outlet cylinder is fixedly connected with the lower side wall of the supporting locking block, a pressurized oil bag is slidably connected in the oil outlet cylinder and comprises a telescopic bag, and the upper end and the lower end of the telescopic bag are respectively and fixedly connected with a fixed round box and an annular box, so that when the hoisting hook body ascends, the problem of huge friction force generated between the hoisting hook and a hoisting ring at the moment when a fan part is hoisted by the conventional hoisting hook can be effectively relieved through negative pressure generated in a cavity of the supporting locking block, and the telescopic bag can be pressurized to spray lubricating oil between the hoisting hook body and the hoisting ring when the fan part is blown and swayed by wind power, so that the friction force between the hoisting hook body and the hoisting ring is effectively reduced, thereby prolonging the service life of the lifting hook body.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a high-stability marine hoisting process for installing a fan.
Background
The hoisting refers to a general term of installation and positioning of equipment by a crane or a hoisting mechanism, and various hoisting machines are used for hoisting the equipment, workpieces, appliances, materials and the like in the process of maintenance or repair so as to change the positions of the equipment.
The lifting appliance is usually provided with a special rigging such as a lifting hook, a steel wire rope, a chain and the like. The lifting suction cups, the clamps, the forks and the like can be used as special lifting appliances on the crane for a long time, can also be used as replaceable auxiliary lifting appliances to be hung on lifting hooks for temporary use, and are commonly used for various warehouses and storage yards to improve the operation efficiency. The lifting appliance for grabbing the scattered fan components is generally a grab bucket with an openable jaw plate, and electromagnetic suction discs can also be used for sucking the magnetic conductivity fan components such as metal cuttings and the like. A bucket and a bucket are commonly used as a lifting tool for lifting a fluid fan component, molten steel or chemical solution is generally discharged by tilting or a bottom plug, the fluid fan component such as concrete is discharged by opening a bottom door of the bucket, and when a crane performs lifting operation, the fan component needs to be lifted by using a lifting hook, so that the lifting tool becomes one of the most important hardware in the crane.
However, in the process of installing the offshore wind turbine, the influence of weather is great, once the strong wind appears in the process of hoisting the wind turbine component, the wind turbine component shakes, so that abrasion occurs between the hanging ring and the lifting hook, and the actual bearing weight of the lifting hook is reduced and the service life of the lifting hook is also seriously shortened after the wind turbine component is worn for a long time.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a high-stability offshore hoisting process for installing a fan, which can effectively relieve the problem of huge friction force generated between a lifting hook and a hoisting ring at the moment when the fan part is hoisted by the existing lifting hook through supporting negative pressure generated in a lock block cavity when a lifting hook body is lifted, and can ensure that a telescopic bag is pressed and lubricating oil is sprayed between the lifting hook body and the hoisting ring when the fan part is blown and shaken by wind power, thereby effectively reducing the friction force between the lifting hook body and the hoisting ring and further prolonging the service life of the lifting hook body.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A high-stability marine hoisting process for fan installation comprises a hook body, wherein the hook body comprises a hook body, a supporting locking block is hinged on the hook body, an oil outlet cylinder is fixedly connected to the lower side wall of the supporting locking block, a pressurized oil bag is slidably connected inside the oil outlet cylinder and comprises a telescopic bag, a fixed round box and an annular box are fixedly connected to the upper end and the lower end of the telescopic bag respectively, 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 locking block, a tension spring is fixedly connected between the movable plug and the cavity, an air inlet communicated with the cavity is formed in the supporting locking block, a tension transmission pipe is fixedly connected to the lower side wall of the fixed round box, two branch pipes are fixedly connected to the tension transmission pipe and communicated with the annular box, the lower end of the tension transmission pipe is fixedly connected with a connecting cylinder, lubricating oil is filled in the telescopic bag, a lifting ring is sleeved on the lifting hook body and comprises an annular lifting block, the upper side wall of the annular lifting block is fixedly connected with a plurality of oil conveying pipes, the oil conveying pipes are rotatably connected with the same aggregation cylinder, the aggregation cylinder is in threaded connection with the connecting cylinder, a plurality of oil inlets are formed in the annular lifting block in a chiseled mode and communicated with the oil conveying pipes, a lifting rope is fixedly connected to the lower side wall of the annular lifting block, a connecting rod is inserted into the side wall of the fixed round box, one end of the connecting rod extends to the inside of the fixed round box and is fixedly connected with a sealing sheet, the other end of the connecting rod is fixedly connected with a round disc, and a compression spring is fixedly connected between the round disc and the fixed round box;
the hoisting process comprises the following steps:
s1, material installation: placing the fan component on the hoisting plate, and fixing the fan component through a rope;
s2, connecting a lifting appliance: the hoisting hook body is sleeved with the hoisting ring through opening the supporting locking block on the hoisting hook body by a plate, and the aggregation cylinder is rotated to be in threaded connection with the connecting cylinder;
s3, filling lubricating oil: when the lifting hook body rises, 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, starting hoisting: starting a crane to perform hoisting operation;
s5, disassembling a lifting appliance: after the fan part is hoisted, the connecting cylinder and the aggregation cylinder are screwed again to complete the separation of the hook body and the hanging ring.
Further, it has the locking hole that matches with the lifting hook body to open the chisel on the support locking piece, support locking piece lateral wall threaded connection have the bolt, open the chisel on the lifting hook body have with bolt assorted screw hole, can effectively improve the stability of being connected between support locking piece and the lifting hook body.
Further, go out an oil section of thick bamboo and the bellows 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 bellows is abundant, through the check valve, can be convenient for fill lubricating oil, play the effect that prevents lubricating oil leakage simultaneously.
Furthermore, the supporting locking block is fixedly connected with a filtering cotton net above the air inlet hole, so that the air inlet is effectively prevented from being blocked by external impurities.
Further, two limit ring boards of fixedly connected with on the lifting hook body, rings are located between two limit ring boards, can play spacing effect to rings, avoid rings to take place the skew to produce wearing and tearing to the lifting hook body.
Furthermore, the lifting hook body is positioned between the two limit ring plates and cast with a filling block, so that the stability of the lifting ring can be improved.
Further, 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 cannot extrude the pressurized oil bag under the condition that the lifting ring does not rotate.
Furthermore, a through hole is drilled in the side wall of the lower end of the oil outlet cylinder, so that a worker can fill lubricating oil conveniently.
Furthermore, the oil outlet cylinder is located above the movable plug and fixedly connected with an annular limiting plate, and the oil outlet cylinder 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 the lifting hook body rises, through supporting the negative pressure that produces in the locking piece cavity, effectively alleviated current lifting hook and hung a moment of fan unit, produce the problem of huge frictional force between lifting hook and the rings to can make flexible bag pressurized when fan unit is blown to rock because of wind-force, erupt lubricating oil to between lifting hook body and the rings, the effectual frictional force that has reduced between lifting hook body and the rings, and then prolonged the life of lifting hook body.
(2) The supporting locking piece is provided with a locking hole matched with the lifting hook body in a chiseled mode, a bolt is connected to one side wall of the supporting locking piece in a threaded mode, the lifting hook body is provided with a threaded hole matched with the bolt in a chiseled mode, and the stability of connection between the supporting locking piece and the lifting hook body can be effectively improved.
(3) Go out an oil section of thick bamboo and a flexible bag and all adopt 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.
(4) The support locking piece is located inlet port top fixedly connected with and filters the cotton net, can prevent effectively that external impurity from to causing the jam, the influence is admitted air.
(5) Two limit ring boards of fixedly connected with on the lifting hook body, rings are located between two limit ring boards, can play spacing effect to rings, avoid rings to take place the skew to produce wearing and tearing to the lifting hook body.
(6) The lifting hook body is positioned between the two limit 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 that the lifting ring does not rotate.
(8) The side wall of the lower end of the oil outlet cylinder is provided with a through hole so that a worker can fill lubricating oil conveniently.
(9) The oil outlet cylinder is fixedly connected with an annular limiting plate above the movable plug, and can play a limiting role.
Drawings
FIG. 1 is a three-dimensional perspective view of the present invention;
FIG. 2 is a schematic structural view of the support lock of the present invention;
FIG. 3 is a schematic view of the construction of the pressurized oil bladder portion of the present invention;
FIG. 4 is a schematic view of the structure of the hanging 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 view of the present invention after the aggregate cylinder is connected to the connector cylinder;
FIG. 7 is a view showing the state of the hook body of the present invention when it is lifted;
FIG. 8 is a side sectional view of the hook body of the present invention as it is raised;
FIG. 9 is a view showing the state of the suspension ring of the present invention in rotation;
FIG. 10 is a view showing a state in which the pressurized oil bladder of the present invention is pressurized;
FIG. 11 is a process flow diagram of the present invention.
The reference numbers in the figures illustrate:
1, a hook body, 2 support locking blocks, 21 air inlets, 22 filter cotton nets, 23 locking holes, 24 bolts, 3 oil outlet cylinders, 4 pressed oil bags, 41 telescopic bags, 42 fixed round boxes, 421 sealing sheets, 422 connecting rods, 423 round discs, 424 compression springs, 425 one-way valves, 43 annular boxes, 44 return springs, 5 moving plugs, 6 tension springs, 7 tension transmission pipes, 71 branch pipes, 72 connecting cylinders, 8 limiting ring plates, 9 lifting rings, 91 annular lifting blocks, 92 oil conveying pipes, 93 collecting cylinders, 94 oil inlets, 10 lifting ropes and 11 filling blocks.
Detailed Description
The technical solution 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 obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-6, a high stability marine hoisting process for fan installation comprises a hook body 1, a supporting lock block 2 hinged on the hook body 1, an oil outlet cylinder 3 fixedly connected to the lower side wall of the supporting lock block 2, a pressurized oil bag 4 slidably connected inside the oil outlet cylinder 3, the pressurized oil bag 4 comprising a telescopic bag 41, a fixed round box 42 and a ring box 43 respectively fixedly connected to the upper and lower ends of the telescopic bag 41, the fixed round box 42 and the ring box 43 being communicated with the telescopic bag 41, a return spring 44 fixedly connected between the fixed round box 42 and the ring box 43, a movable plug 5 fixedly connected to the upper side wall of the fixed round box 42, a cavity drilled inside the supporting lock block 2, a tension spring 6 fixedly connected between the movable plug 5 and the cavity, an air inlet 21 drilled on the supporting lock block 2 and communicated with the cavity, a tension transmission pipe 7 fixedly connected to the lower side wall of the fixed round box 42, the 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 relief valve is installed inside the connecting cylinder 72 so as to prevent lubricating oil from leaking when the telescopic bag 41 is not pressed, the telescopic bag 41 is filled with lubricating oil, a lifting ring 9 is sleeved on the lifting hook body 1, the lifting ring 9 comprises an annular lifting block 91, a plurality of oil conveying pipes 92 are fixedly connected to the upper side wall of the annular lifting block 91, the plurality of oil conveying pipes 92 are rotatably connected with the same aggregation cylinder 93, the aggregation cylinder 93 is in threaded connection with the connecting cylinder 72, a plurality of oil inlets 94 are drilled inside the annular lifting block 91, the plurality of oil inlets 94 are communicated with the oil conveying pipes 92, a lifting rope 10 is fixedly connected to the lower side wall of the annular lifting block 91, the other end of the lifting rope 10 is connected with a lifting plate, which is not shown in the drawing, firstly, after a worker fixes a fan component on a hoisting plate, two limit ring plates 8 are fixedly connected to a lifting hook body 1, a hanging ring 9 is positioned between the two limit ring plates 8, the hanging ring 9 is sleeved between the two limit ring plates 8 on the lifting hook body 1, then the plate is supported by a supporting lock block 2, and the supporting lock block 2 is in threaded connection with a connecting cylinder 72 by rotating an aggregation cylinder 93, as shown in fig. 6, at the moment, under the tension of a tension spring 6, a fixed round box 42 pulls the hanging ring 9, so that a certain distance exists between the upper inner wall of the hanging hook body 1 and the upper side of the hanging ring 9, 23 matched with the lifting hook body 1 is chiseled on the supporting lock block 2, one side wall of the supporting lock block 2 is in threaded connection with 24, a threaded hole matched with 24 is chiseled on the lifting hook body 1, then the supporting lock block 2 is fixedly connected with the lifting hook body 1 by the 24, as shown in fig. 7, after the connection of a lifting appliance is completed, the staff starts the loop wheel machine for lifting hook body 1 is pulled up rapidly, thereby tension spring 6 is stretched, owing to under the effect of pulling force transmission pipe 7, remove plug 5 and can't follow lifting hook body 1 and rise, consequently, the air that supports 2 inside cavities of locking piece produces the negative pressure, external gas gets into from 21, thereby has played the cushioning effect of certain degree, has effectively alleviated the instant that current lifting hook hoisted fan parts, produces the problem of huge frictional force between lifting hook and the rings.
The hoisting process comprises the following steps:
s1, material installation: placing the fan component on the hoisting 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 by opening the supporting locking block 2 on the lifting hook body 1 through a plate, and the aggregation cylinder 93 is rotated to be in threaded connection with the connecting cylinder 72;
s3, filling lubricating oil: when the lifting hook body (1) rises, 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 pressed oil bag (4) by using oil injection equipment until lubricating oil overflows from the position of the disc (423), and oil injection is stopped;
s4, starting hoisting: starting a crane to perform hoisting operation;
s5, disassembling a lifting appliance: after the fan component is hoisted, the connecting cylinder 72 and the collecting cylinder 93 are screwed again, and the hook body 1 is separated from the hanging ring 9.
Referring to fig. 1-11, the distance between the bottom of the pressurized oil bag 4 and the lower inner wall of the oil outlet cylinder 3 is equal to the distance between the upper inner wall of the hanging ring 9 and the hanging hook body 1, after the hanging hook body 1 lifts the fan part, when strong wind occurs, the wind blows the fan part 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 pipe 92 beside, so as to extrude the expansion bag 41, as shown in fig. 11, the lubricating oil inside the expansion bag 41 is discharged to the oil inlet 94 in the annular hanging block 91 through the tension transmission pipe 7 and the oil pipe 92, so as to flow into the space 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 it is worth noting that the distance between the bottom of the pressurized oil bag 4 and the lower inner wall of the oil outlet cylinder 3 is equal to the distance between the upper inner wall of the hanging ring 9 and the inner wall of the hanging ring 1 And therefore the bellows 41 does not cause squeezing and therefore no lubricant is squeezed out, without the rings 9 rotating.
Referring to fig. 4, a connecting rod 422 is inserted into a side wall of the fixed round box 42, one end of the connecting rod 422 extends to a sealing sheet 421 fixedly connected inside the fixed round box 42, a disc 423 is fixedly connected to the other end of the connecting rod 422, a compression spring 424 is fixedly connected between the disc 423 and the fixed round box 42, a check valve 425 is installed on the fixed round box 42, after the hanging ring 9 is straightened, the bellows 41 is not squeezed, so that the bellows recovers the shape under the recovery action of the recovery spring 44, and the check valve 425 is opened, so that air can enter the bellows, and the bellows 41 can be squeezed continuously.
Please refer to fig. 3, a through hole is drilled on the side wall of the lower end of the oil outlet cylinder 3, the oil outlet cylinder 3 and the bellows 41 are both made of transparent materials, the check valve 425 is installed on the fixed round box, it is convenient to observe whether the lubricating oil inside the bellows 41 is sufficient, the lubricating oil can be conveniently filled through the check valve 425, and meanwhile, the effect of preventing the lubricating oil from leaking is achieved, when the next hoisting operation is performed, the lubricating oil needs to be filled again, the oil injection device is used for supplying oil to the pressurized oil bladder 4 through the through hole until the lubricating oil overflows from the position of the disc 423, the oil injection is stopped, 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 inside of the fixed round box 42 is conveniently discharged.
Referring to fig. 3 and 8, the supporting locking piece 2 is fixedly connected with the locking piece 22 above the limiting ring plate 21, so that the blocking of the limiting ring plate 21 by external impurities can be avoided to a certain extent, and the hook body 1 is positioned between the two limiting ring plates 8 and is cast with the filling block 11, so that the stability of the hanging ring 9 can be improved.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a marine hoist and mount technology of high stability for fan installation, includes lifting hook body (1), its characterized in that: the lifting hook is characterized in that a supporting locking block (2) is hinged to the lifting hook body (1), an oil outlet cylinder (3) is fixedly connected to the lower side wall of the supporting locking block (2), a pressurized oil bag (4) is connected to the inner portion of the oil outlet cylinder (3) in a sliding manner, the pressurized oil bag (4) comprises a telescopic bag (41), a fixed round box (42) and a ring box (43) are fixedly connected to the upper end and the lower end of the telescopic bag (41) respectively, a return spring (44) is fixedly connected between the fixed round box (42) and the ring box (43), a movable plug (5) is fixedly connected to the upper side wall of the fixed round box (42), 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, an air inlet hole (21) communicated with the cavity is formed in the supporting locking block (2), a transmission pipe (7) is fixedly connected to the lower side wall of the fixed round box (42), the pull force transmission pipe (7) is fixedly connected with two branch pipes (71), the two branch pipes (71) are communicated with an annular box (43), the lower end of the pull force transmission pipe (7) is fixedly connected with a connecting cylinder (72), lubricating oil is filled in a telescopic bag (41), a lifting ring (9) is sleeved on a lifting hook body (1), the lifting ring (9) comprises an annular lifting block (91), a plurality of oil conveying pipes (92) are fixedly connected to the side wall of the annular lifting block (91), the oil conveying pipes (92) are rotatably connected with the same gathering cylinder (93), the gathering cylinder (93) is in threaded connection with the connecting cylinder (72), a plurality of oil inlets (94) are dug in the annular lifting block (91), the oil inlets (94) are communicated with the oil conveying pipes (92), and a hanging rope (10) is fixedly connected to the 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 into 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), 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 the hoisting 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 block (2) on the plate opening lifting hook body (1), and the aggregation cylinder (93) is rotated to be in threaded connection with the connecting cylinder (72);
s3, filling lubricating oil: when the lifting hook body (1) rises, 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 pressed oil bag (4) by using oil injection equipment until lubricating oil overflows from the position of the disc (423), and oil injection is stopped;
s4, starting hoisting: starting a crane to perform hoisting operation;
s5, disassembling a lifting appliance: after the fan part is hoisted, the connecting cylinder (72) and the aggregation cylinder (93) are screwed again, and the hook body (1) is separated from the hanging ring (9).
2. The high-stability offshore hoisting process for wind turbine installation according to claim 1, characterized in that: the support locking piece (2) is provided with a locking hole (23) matched with the lifting hook body (1), a bolt (24) is connected to one side wall of the support locking piece (2) in a threaded mode, and the lifting hook body (1) is provided with a threaded hole matched with the bolt (24) in a chiseled mode.
3. The high-stability offshore hoisting process for wind turbine installation according to claim 1, characterized in that: the oil outlet cylinder (3) and the telescopic bag (41) are both made of transparent materials.
4. The high-stability offshore hoisting process for wind turbine installation according to claim 1, characterized in that: two limit ring boards (8) are fixedly connected to the lifting hook body (1), and the lifting ring (9) is located between the two limit ring boards (8).
5. The high-stability offshore hoisting process for wind turbine installation according to claim 1, characterized in that: the fixed round box (42) is provided with a one-way valve (425).
6. The high-stability offshore hoisting process for wind turbine installation according to claim 1, characterized in that: the supporting locking block (2) is fixedly connected with a filtering cotton net (22) above the air inlet hole (21).
7. The high-stability offshore hoisting process for wind turbine installation according to claim 4, wherein: the lifting hook body (1) is positioned between the two limit ring plates (8) and is cast with a filling block (11).
8. The high-stability offshore hoisting process for wind turbine installation according to claim 1, characterized in that: the distance between the bottom of the pressurized oil bag (4) and the lower inner wall of the oil outlet cylinder (3) is equal to the distance between the upper inner wall of the lifting ring (9) and the lifting hook body (1).
9. The high-stability offshore hoisting process for wind turbine installation according to claim 1, characterized in that: and a through hole is drilled on the side wall of the lower end of the oil outlet cylinder (3).
10. The high-stability offshore hoisting process for wind turbine installation according to claim 1, characterized in that: the oil outlet cylinder (3) is fixedly connected with an annular limiting plate above the movable plug (5).
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| CN202111631764.7A CN114229681B (en) | 2021-12-29 | 2021-12-29 | High-stability offshore hoisting process for fan installation |
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| CN202111631764.7A CN114229681B (en) | 2021-12-29 | 2021-12-29 | High-stability offshore hoisting process for fan installation |
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| CN114229681B CN114229681B (en) | 2024-05-24 |
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| KR19980064917U (en) * | 1997-04-30 | 1998-11-25 | 김종진 | Crane hook with weighing device |
| JP2007153583A (en) * | 2005-12-07 | 2007-06-21 | Mitsubishi Fuso Truck & Bus Corp | Hook device |
| CN211283451U (en) * | 2019-11-19 | 2020-08-18 | 刘昕 | Crane hook with good safety performance |
| CN211545678U (en) * | 2020-01-14 | 2020-09-22 | 济宁市亮杰工贸有限公司 | Lifting hook anti-swing protective device for crane |
| CN213231207U (en) * | 2020-06-29 | 2021-05-18 | 徐州嘉靖工程机械制造有限公司 | High-safety vehicle-mounted crane hook |
| CN213294425U (en) * | 2019-01-22 | 2021-05-28 | 姚新明 | Lifting hook for crane |
| CN214692883U (en) * | 2021-01-21 | 2021-11-12 | 苏州迈特锐机电设备有限公司 | Crane hook with high stability |
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2021
- 2021-12-29 CN CN202111631764.7A patent/CN114229681B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980064917U (en) * | 1997-04-30 | 1998-11-25 | 김종진 | Crane hook with weighing device |
| JP2007153583A (en) * | 2005-12-07 | 2007-06-21 | Mitsubishi Fuso Truck & Bus Corp | Hook device |
| CN213294425U (en) * | 2019-01-22 | 2021-05-28 | 姚新明 | Lifting hook for crane |
| CN211283451U (en) * | 2019-11-19 | 2020-08-18 | 刘昕 | Crane hook with good safety performance |
| CN211545678U (en) * | 2020-01-14 | 2020-09-22 | 济宁市亮杰工贸有限公司 | Lifting hook anti-swing protective device for crane |
| CN213231207U (en) * | 2020-06-29 | 2021-05-18 | 徐州嘉靖工程机械制造有限公司 | High-safety vehicle-mounted crane hook |
| CN214692883U (en) * | 2021-01-21 | 2021-11-12 | 苏州迈特锐机电设备有限公司 | Crane hook with high stability |
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| CN114229681B (en) | 2024-05-24 |
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