CN219194106U - Lifting device for maintaining offshore wind turbine - Google Patents

Abstract

The utility model discloses maintenance lifting equipment for an offshore wind turbine, which comprises a sliding rail and a base, wherein two sides of the sliding rail are connected with a lift car through a plurality of pulleys, the upper end of the base is provided with a lifting mechanism, the lower end face of the lift car is connected with the lifting mechanism, two sides inside the lift car are respectively provided with a first anti-falling mechanism and a second anti-falling mechanism, and the second anti-falling mechanism is connected with the lifting mechanism; the elevator is simple in structure and reasonable in design, the fixing position of the rope when the rope sags is guaranteed through the cooperation of the steering table and the first guide wheel, the lifting unit can be lifted at multiple points by arranging branches on the other two sides of the rope and respectively connecting the two sides of the elevator car and the anti-falling plates, so that the lifting stability is improved, on the other hand, when the rope is broken, the elevator car can be fixed by the first anti-falling mechanism and the second anti-falling mechanism, the elevator car is prevented from falling down, the safety of the elevator car is improved, and the life safety of load-bearing personnel is guaranteed.

Description

Lifting device for maintaining offshore wind turbine

Technical Field

The utility model relates to the technical field of offshore wind power generation maintenance equipment, in particular to lifting equipment for maintenance of an offshore wind power generation fan.

Background

With the development of society, energy problems have become hot spots and core problems all over the world, from the beginning of energy systems mainly comprising coal, petroleum and natural gas, the energy systems are converted into sustainable development energy systems based on renewable energy, wind energy is taken as a clean and renewable new energy source, and the world has been widely focused on, and the total amount of developable wind resources in China is up to 10 hundred million KW according to statistics, wherein the total amount of developable wind resources in land is approximately 3 hundred million KW, and the total amount of developable wind resources in sea is 7 hundred million KW, so that the offshore wind power industry resources in China have great potential.

The prior art has the following defects:

current offshore wind power plants are generally composed of four parts: impeller, cabin, pylon, basis, wherein the pylon is the longest part of whole unit, has 100-140 meters height usually, therefore maintenance personnel generally can carry out maintenance and repair work with the help of lifting device, and traditional lifting device generally goes up and down through setting up the wire in the both sides of car, and when the great needs emergency maintenance of marine stormy waves, the car exists certain vertical possibility of rocking, and maintenance personnel's safety can't be ensured.

Disclosure of Invention

The utility model aims to provide lifting equipment for maintaining an offshore wind turbine so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lifting device comprises a sliding rail and a base, wherein two sides of the sliding rail are connected with a car through a plurality of pulleys, the upper end of the base is provided with a lifting mechanism, the lower end face of the car is connected with the lifting mechanism, a first anti-falling mechanism and a second anti-falling mechanism are arranged on two sides of the interior of the car, and the second anti-falling mechanism is connected with the lifting mechanism;

the lifting mechanism comprises:

the driving motor is arranged on the base, the output end of the driving motor is connected with a main gear, two sides of the main gear are connected with auxiliary gears in a meshed mode, a rotary drum is fixedly connected inside the auxiliary gears, two ends of the rotary drum are rotatably connected with fixing plates, and the fixing plates are fixedly connected with the upper end face of the base;

the steering table is arranged on the base, and the side surface of the steering table is movably connected with a first guide wheel;

the guide rope is fixedly connected to the rotary drum, the side face of the guide rope is connected with the first guide wheel in a sliding mode, and the other two ends of the guide rope are respectively connected with the lower end face of the car and the second anti-falling mechanism.

Preferably, the first anti-falling mechanism comprises:

the first fixing rod is fixed on the lower end face of the car, inverted teeth are arranged on the side face of the first fixing rod, a speed reducing rod is rotatably connected to the side face of the first fixing rod, a second guide wheel is rotatably connected to the inner side of the speed reducing rod, and the side face of the second guide wheel is slidably connected with the guide rope;

the outer sleeve rod is rotationally connected to the side face of the speed reducing rod, the inner side of the outer sleeve rod is fixedly connected with a first spring through a cavity, the other end of the first spring is fixedly connected with a limiting rod, and the limiting rod is rotationally connected with the outer sleeve rod through a pin shaft;

the inner sleeve rod is fixed on the lower end face of the car, the other end of the inner sleeve rod is connected with the outer sleeve rod in a sliding mode, and a second spring is arranged on the outer sides of the inner sleeve rod and the outer sleeve rod.

Preferably, the two sides of the sliding rail are provided with pouring openings.

Preferably, the second anti-falling mechanism comprises:

the second fixing rod is fixed on the lower end face of the car, the upper end of the second fixing rod is rotationally connected with a falling prevention plate, the other end of the falling prevention plate is provided with a barb, the inner side of the falling prevention plate is rotationally connected with a pull rod through a through hole, and the side face of the pull rod is connected with a guide rope;

the weight is fixedly connected with the anti-falling plate through a lifting rope.

Preferably, one end of the deceleration rod is provided with anti-slip silica gel.

Preferably, the upper end of the second fixing rod is provided with a limiting groove for preventing the anti-falling plate from misplacement, and the anti-falling plate is rotationally connected to the inner side of the limiting groove through a pin shaft.

Preferably, the anti-falling plate and the pouring opening are arranged on the same side of the first fixing rod and the inner sleeve rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the lifting mechanism comprises a driving motor, a main gear, a pinion, a rotary drum, a fixed plate, a steering table, a first guide wheel and a rope, wherein the fixed position of the rope when the rope sags is ensured through the cooperation of the steering table and the first guide wheel, and the lifting mechanism can lift a lifted unit in multiple points by arranging branches on the other two sides of the rope and respectively connecting the two sides of a lift car with the anti-falling plate, so that the lifting stability is improved;

2. this a maintenance jacking equipment for offshore wind turbine through being provided with first anti-falling mechanism and second anti-falling mechanism pair, first anti-falling mechanism is including first dead lever, pawl, the deceleration pole, the second leading wheel, outer loop bar, first spring, the gag lever post, interior loop bar, the second spring, second anti-falling mechanism is including the second dead lever, the spacing groove, anti-falling plate, the barb, the pull rod, the pouring weight, when second leading wheel side guide rope fracture, pawl and gag lever post can block, carry out spacing to the deceleration pole and prevent the car whereabouts, the restriction that the barb of anti-falling plate can cooperate the pouring orifice to carry out longitudinal movement when pull rod side guide rope fracture prevents the car whereabouts, the security of car has been increased, the life safety of support personnel is ensured.

Drawings

Fig. 1 is a schematic view of the internal structure of a car according to the present utility model;

fig. 2 is a schematic view of the inner structure of the side of the car of the present utility model;

FIG. 3 is a front view of the lift mechanism of the present utility model;

FIG. 4 is a top view of the lift mechanism of the present utility model;

FIG. 5 is a schematic view of the internal structure of the hollow portion of the jacket pole of the present utility model;

FIG. 6 is an enlarged view of the utility model at A;

fig. 7 is an enlarged view of the utility model at B.

In the figure: 1. a slide rail; 2. a base; 3. a car; 4. a lifting mechanism; 401. a driving motor; 402. a main gear; 403. a pinion gear; 404. a rotating drum; 405. a fixing plate; 406. a steering table; 407. a first guide wheel; 408. a rope; 5. a first fall prevention mechanism; 501. a first fixing rod; 5011. chamfering; 502. a deceleration rod; 503. a second guide wheel; 504. an outer sleeve rod; 5041. a first spring; 5042. a limit rod; 505. an inner loop bar; 506. a second spring; 6. a second anti-falling mechanism; 601. a second fixing rod; 6011. a limit groove; 602. an anti-falling plate; 6021. a barb; 603. a pull rod; 604. a weight block; 7. pouring mouth; 8. anti-slip silica gel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Examples

Referring to fig. 1-7, the present utility model provides a technical solution for maintaining and lifting a wind turbine at sea: the utility model provides a be used for offshore wind turbine maintenance lifting device, including slide rail 1 and base 2, slide rail 1 fixed mounting is on the inside wall of pylon, base 2 is installed on the platform at pylon's top, sliding connection is connected with car 3 through setting up a plurality of pulley in slide rail 1's both sides, lifting mechanism 4 is installed to the upper end of base 2, the lower terminal surface of car 3 is connected with lifting mechanism 4, first anti-falling mechanism 5 and second anti-falling mechanism 6 are all installed to the both sides of car 3 inside, second anti-falling mechanism 6 is connected with lifting mechanism 4;

the lifting mechanism 4 comprises a driving motor 401, a steering table 406 and a rope 408,

the driving motor 401 is fixed on the base 2 through a bolt, the output end of the driving motor 401 is fixedly connected with the main gear 402, two sides of the main gear 402 are in meshed connection with the auxiliary gear 403, the rotary drum 404 is fixedly connected inside the auxiliary gear 403, two ends of the rotary drum 404 are rotationally connected with the fixed plate 405, the bottom of the fixed plate 405 is fixedly connected with the upper end face of the base 2, the steering table 406 is fixedly arranged on the base 2, a first guide wheel 407 is movably connected to the side face of the steering table 406, the guide rope 408 is fixedly connected to the rotary drum 404, the side face of the guide rope 408 is in sliding connection with the first guide wheel 407, the other two ends of the guide rope 408 are respectively connected with the lower end face of the car 3 and the second anti-falling mechanism 6, when the equipment is lifted, the driving motor 401 provides power to rotate, the rotary drum 404 at two sides is driven to rotate, the side face of the guide rope 408 passes through the first guide wheel 407 to pull the guide rope 408, the second anti-falling mechanism 6 connected to the other two ends of the guide rope 408 is lifted by the car 3, the steering table 406 is ensured to be in a lifting operation, the position of the vertical rope 408 is ensured to be lifted by the first guide wheel 407, and the two sides of the elevator can be lifted by the second anti-falling mechanism 6 are respectively, and the lifting units can be lifted by the lifting units.

The first anti-falling mechanism 5 comprises a first fixed rod 501, an outer sleeve rod 504 and an inner sleeve rod 505, wherein the first fixed rod 501 is fixedly connected to the lower end face of the car 3, a pawl 5011 is arranged on the side face of the first fixed rod 501, a speed reducing rod 502 is connected to the side face of the first fixed rod 501 through a pin shaft in a rotating mode, a second guide wheel 503 is connected to the inner side of the speed reducing rod 502 in a rotating mode, the side face of the second guide wheel 503 is in sliding connection with a guide rope 408, the outer sleeve rod 504 is connected to the side face of the speed reducing rod 502 through a pin shaft in a rotating mode, a first spring 5041 is fixedly connected to the inner side face of the outer sleeve rod 504 through a cavity, the other end of the first spring 5041 is fixedly connected with a limit rod 5042, the limit rod 5042 is fixedly connected to the inner side face of the cavity of the outer sleeve rod 504 through a pin shaft, the inner sleeve rod 505 is fixedly arranged on the lower end face of the car 3, the other end of the inner sleeve rod 505 is in sliding connection with the outer sleeve rod 504 through a pin shaft, a second spring 506 is arranged on the outer side face of the joint of the inner sleeve rod 505, when the guide rope contacted with the second guide wheel 503 is broken, the second spring 506 contracts and drives the outer sleeve rod 502 to contract, the outer sleeve rod 502 to contract down around the first spring 501 and rotate around the first guide rod 501, the pawl 5011, the limit rod is completely slides out of the side face of the speed reducing rod 502, and the limit rod 502 is completely in the side face of the speed reducing rod 502, and the limit rod 502 is in the sliding position of the speed reducing rod 501, and the limit rod is completely slides down along the side face of the speed reducing rod 501, and is in the side face of the speed reducing rod 502, and is in the side face of the speed down direction, and the speed of the speed reducing rod is completely and is in the speed down direction.

Both sides of the sliding rail 1 are provided with pouring openings 7, the pouring openings 7 are arranged on both sides of the sliding rail 1 to be matched with the second anti-falling mechanism 6 for anti-falling, and the pouring openings 7 and the car 3 can be mounted through peripheral equipment to increase safety.

The second anti-falling mechanism 6 comprises a second fixing rod 601 and a weight 604, the second fixing rod 601 is fixedly connected to the lower end face of the car 3, the upper end of the second fixing rod 601 is rotatably connected with an anti-falling plate 602, the other end of the anti-falling plate 602 is provided with a barb 6021, the inner side of the anti-falling plate 602 is rotatably connected with a pull rod 603 through a through hole, the side face of the pull rod 603 is connected with a guide rope 408, the weight 604 is fixedly connected with the anti-falling plate 602 through a lifting rope, when the guide rope 408 connected with the pull rod 603 breaks, the weight 604 pulls the barb 6021 end of the anti-falling plate 602 to incline in an accelerating manner, and the barb 6021 after incline is finally clamped with the pouring opening 7 to prevent the car 3 from moving longitudinally.

One end of the deceleration rod 502 is provided with anti-slip silica gel 8, and the anti-slip silica gel 8 can play a role in deceleration and anti-slip when the lead 408 is broken through the arrangement of the anti-slip silica gel 8 at one end of the deceleration rod 502.

The limiting groove 6011 for preventing the falling plate 602 from being misplaced is formed in the upper end of the second fixing rod 601, the falling plate 602 is rotationally connected to the inner side of the limiting groove 6011 through a pin shaft, and the limiting groove 6011 is arranged at the upper end of the second fixing rod 601 to transversely limit the falling plate 602 and prevent the falling plate 602 from being misplaced with the pouring opening 7.

The anti-falling plate 602 and the pouring opening 7 are arranged on the same side of the first fixing rod 501 and the inner sleeve rod 505, and the anti-falling plate 602 and the pouring opening 7 are arranged in a staggered manner with the first fixing rod 501 and the inner sleeve rod 505, so that mutual interference of the two groups of mechanisms can be prevented. The working principle of the utility model is as follows:

when the lifting device for maintaining the offshore wind turbine is used, the driving motor 401 provides power to rotate when the lifting device is lifted, the rotating motor drives the two side drums 404 to rotate, the side surfaces of the guide ropes 408 pass through the first guide wheels 407 to guide, at the moment, the guide ropes 408 are pulled by the drums 404, the anti-falling plates 602 connected to the other two ends of the guide ropes 408 are lifted with the car 3, lifting movement of the car 3 and a carrier is achieved, when the guide ropes 408 in contact with the second guide wheels 503 are broken, the second springs 506 shrink and drive the outer sleeve rods 504 to descend, meanwhile, the deceleration rods 502 rotate around the joint of the deceleration rods 502 with the first fixing rods 501 as a central point, and the deceleration rods 502 are propped against the side surfaces of the sliding rails 1, on the other hand, the side surfaces of the deceleration rods 502 are heavy in the descending process of the outer sleeve rods 504, the first springs 5041 and the limiting rods 5042 are propped against the shrinkage by the side inverted teeth 5011 of the first fixing rods 501 until the anti-falling plates 602 are completely positioned below the inverted teeth 5011, the first springs 5041 pop up and prop up the limiting rods 5042 against the lower parts of the inverted teeth 5011, and the longitudinal falling plates 602 are fixed to prevent the longitudinal falling plates 602 of the car from moving down, and the car 602 from moving down, and the end of the car 6021 is prevented from falling down along the longitudinal direction of the barb plates 602 is prevented from moving when the end of the elevator is connected with the inverted plates 602, and the end of the anti-falling plates 602 is connected with the longitudinal barbs 6021; this equipment has guaranteed the fixed position of rope 408 when the whereabouts through the cooperation of turn to platform 406 and first leading wheel 407, through offer the branch and connect car 3 both sides and prevent weighing down board 602 respectively in the other both sides of rope 408 and carry out the multiple spot to the unit that is promoted, increase the stability that promotes, on the other hand when second leading wheel 503 side rope 408 fracture, pawl 5011 and gag lever post 5042 can block, carry out the spacing to deceleration lever 502 and prevent car 3 whereabouts, when pull rod 603 side rope 408 fracture prevent that barb 6021 of falling down board 602 can cooperate the restriction that pouring orifice 7 carries out longitudinal movement, prevent car 3 whereabouts, car 3 security has been increased, the life safety of support personnel is ensured.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a be used for offshore wind turbine maintenance lifting device, includes slide rail (1) and base (2), its characterized in that: the elevator is characterized in that two sides of the sliding rail (1) are connected with an elevator car (3) through a plurality of pulleys, a lifting mechanism (4) is arranged at the upper end of the base (2), the lower end face of the elevator car (3) is connected with the lifting mechanism (4), a first anti-falling mechanism (5) and a second anti-falling mechanism (6) are arranged on two sides of the inside of the elevator car (3), and the second anti-falling mechanism (6) is connected with the lifting mechanism (4);

the lifting mechanism (4) comprises:

the driving motor (401), the driving motor (401) is arranged on the base (2), the output end of the driving motor (401) is connected with a main gear (402), two sides of the main gear (402) are connected with auxiliary gears (403) in a meshed mode, a rotary drum (404) is fixedly connected inside the auxiliary gears (403), two ends of the rotary drum (404) are rotatably connected with fixing plates (405), and the fixing plates (405) are fixedly connected with the upper end face of the base (2);

the steering table (406), the steering table (406) is arranged on the base, and a first guide wheel (407) is movably connected to the side surface of the steering table (406);

the elevator car is characterized by comprising a guide rope (408), wherein the guide rope (408) is fixedly connected to the rotary drum (404), the side surface of the guide rope (408) is in sliding connection with the first guide wheel (407), and the other two ends of the guide rope (408) are respectively connected with the lower end surface of the elevator car (3) and the second anti-falling mechanism (6).

2. The lifting device for maintenance of offshore wind turbines of claim 1, wherein: the first anti-falling mechanism (5) comprises:

the elevator car comprises a first fixed rod (501), wherein the first fixed rod (501) is fixed on the lower end face of the elevator car (3), inverted teeth (5011) are arranged on the side face of the first fixed rod (501), a speed reducing rod (502) is rotatably connected to the side face of the first fixed rod (501), a second guide wheel (503) is rotatably connected to the inner side of the speed reducing rod (502), and the side face of the second guide wheel (503) is slidably connected with a guide rope (408);

the outer sleeve rod (504) is rotationally connected to the side face of the speed reducing rod (502), a first spring (5041) is fixedly connected to the inner side of the outer sleeve rod (504) through a cavity, a limit rod (5042) is fixedly connected to the other end of the first spring (5041), and the limit rod (5042) is rotationally connected with the outer sleeve rod (504) through a pin shaft;

the inner sleeve rod (505) is fixed on the lower end face of the car (3), the other end of the inner sleeve rod (505) is connected with the outer sleeve rod (504) in a sliding mode, and a second spring (506) is arranged on the outer sides of the inner sleeve rod (505) and the outer sleeve rod (504).

3. The lifting device for maintenance of offshore wind turbines of claim 1, wherein: both sides of the sliding rail (1) are provided with pouring openings (7).

4. The lifting device for maintenance of offshore wind turbines of claim 1, wherein: the second anti-falling mechanism (6) comprises:

the second fixing rod (601), the second fixing rod (601) is fixed on the lower end face of the car (3), the upper end of the second fixing rod (601) is rotationally connected with the anti-falling plate (602), the other end of the anti-falling plate (602) is provided with a barb (6021), the inner side of the anti-falling plate (602) is rotationally connected with the pull rod (603) through a through hole, and the side face of the pull rod (603) is connected with the guide rope (408);

and the weight (604) is fixedly connected with the anti-falling plate (602) through a lifting rope.

5. A lifting device for maintenance of offshore wind turbines according to claim 2, wherein: one end of the deceleration rod (502) is provided with anti-slip silica gel (8).

6. The lifting device for maintenance of an offshore wind turbine of claim 4, wherein: the upper end of the second fixing rod (601) is provided with a limiting groove (6011) for preventing the anti-falling plate (602) from being misplaced, and the anti-falling plate (602) is rotationally connected to the inner side of the limiting groove (6011) through a pin shaft.

7. The lifting device for maintenance of an offshore wind turbine of claim 4, wherein: the anti-falling plate (602) and the pouring opening (7) are arranged on the same side of the first fixing rod (501) and the inner sleeve rod (505).

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