CN216662281U

CN216662281U - Self-maintenance lifting device for underneath type fan cabin

Info

Publication number: CN216662281U
Application number: CN202220044903.XU
Authority: CN
Inventors: 张玉申
Original assignee: Hebei Changjiang Zhongyuan Rigging Co ltd
Current assignee: Hebei Changjiang Zhongyuan Rigging Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-03
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a self-maintenance lifting device for an underneath type fan cabin, which comprises a travelling crane track and a travelling crane main body, wherein the travelling crane track and the travelling crane main body are arranged above a cabin frame; the self-maintenance lifting device of the underneath type fan cabin further comprises a winch and a fixed guide wheel, wherein the winch is arranged on the tower cylinder base, the winch vertically outputs a steel wire rope upwards to the fixed guide wheel, the fixed guide wheel is arranged on the cabin frame and located at one end of the travelling crane track, the fixed guide wheel guides the steel wire rope to a guide wheel group on the travelling crane main body, and the guide wheel group guides the steel wire rope to the fixed pulley block. According to the self-maintenance lifting device for the underneath type fan engine room, the underneath type winch is arranged on the tower barrel base, so that the situation that the winch is assembled in the cabin after being disassembled and hoisted is avoided, the space of the engine room is saved, and the operation efficiency is improved.

Description

Self-maintenance lifting device for underneath type fan cabin

Technical Field

The utility model relates to the technical field of wind power generation hoisting equipment, in particular to a self-maintenance hoisting device for a lower fan cabin.

Background

I department has the current utility model patent of a fan cabin is from maintaining with electric lifting sling (patent publication No. CN 207347009U). This promote hoist includes a pair of horizontal parallel arrangement at the driving track on cabin frame upper portion, vertically erects the girder on the driving track through the walking wheel, sets up the mechanism of lifting by crane on the girder, the mechanism of lifting by crane is including locating the hoist engine on cabin ground, sets up the lifting unit on the girder, connects the hoist body in lifting unit below through wire rope, and the displacement on the girder is realized through lead screw feeding device to the lifting unit, has the auxiliary girder at girder one side parallel arrangement, is provided with vice hoist on the auxiliary girder, and vice hoist realizes the displacement on the auxiliary girder through the gyro wheel. The lifting appliance has the advantages of compact structure, reasonable arrangement, small occupied area, low cost, convenience in operation and high efficiency, and can comprehensively meet the use requirement of the fan engine room.

Above-mentioned patent hoist in the use, it is unreasonable to discover the hoist engine setting, and this part comprises motor, speed reducer, reel etc. originally the components of a whole that can function independently hangs the cabin and makes up again, consuming time hard. The cabin space is narrow and small, is not convenient for place and arrange, especially often does not have enough space to put to heavy-duty hoist engine. The weight of each component part is very large, the lifting capacity of the auxiliary crane is also very large, and the whole mass of the engine room is increased.

Therefore, it is necessary to develop a self-maintenance lifting device of an underneath type fan nacelle aiming at the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-maintenance lifting device for an under-positioned fan cabin.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model discloses a self-maintenance lifting device for an underneath type fan cabin, which comprises a travelling crane rail and a travelling crane main body, wherein the travelling crane rail and the travelling crane main body are arranged above a cabin frame, the travelling crane main body comprises a lifting part and a lifting appliance body, a fixed pulley block is arranged on the lifting part, a movable pulley block is arranged on the lifting appliance body, a steel wire rope is connected between the fixed pulley block and the movable pulley block in a penetrating manner, the travelling crane is arranged on a tower base, the travelling crane vertically outputs the steel wire rope upwards to the fixed guide wheel, the fixed guide wheel is arranged on the cabin frame and is positioned at one end of the travelling crane rail, the fixed guide wheel guides the steel wire rope to a guide wheel group on the travelling crane main body, and the guide wheel group guides the steel wire rope to the fixed pulley block.

Furthermore, a universal guide wheel is arranged at the top of the winch, and the steel wire rope upwards passes through the universal guide wheel to the fixed guide wheel.

Furthermore, a rope-off alarm mechanism is arranged beside the fixed guide wheel and the guide wheel set, and the rope-off alarm mechanism detects a rope-off signal by adopting a limit switch.

Furthermore, the traveling crane main body comprises end beams, main beams and a hydraulic cylinder, the two end beams are arranged on the traveling crane track, the two main beams are connected between the two end beams in parallel, the main beams are provided with main beam tracks, and the lifting part is connected to the main beam tracks in a guiding and sliding manner; the bottom of the hydraulic cylinder is connected to the top of the end beam through a hinged support, and the working end of the hydraulic cylinder is connected to the side wall of the lifting part frame.

Further, the driving main body further comprises an integrated pump station, the integrated pump station is arranged below the hydraulic cylinder, and the integrated pump station provides high-pressure hydraulic oil to the hydraulic cylinder.

Compared with the prior art, the self-maintenance lifting device for the underneath type fan engine room has the beneficial effects that:

according to the self-maintenance lifting device for the underneath type fan engine room, the position of the winch is lowered onto the tower drum base, the steel wire rope is upwards output to the fixed guide wheel and guided to the lifting part, and traction lifting power is provided. The steps of disassembling the winch and lifting the auxiliary crane to the engine room and assembling the auxiliary crane in the engine room are avoided, the space of the winch reserved in the design stage of the engine room is avoided, and the size of the engine room is reduced. And the hoist engine of drive effect is placed on tower section of thick bamboo base, is convenient for promote hoist engine power, improves the tractive capacity, and then increases and lifts by crane load-carrying capacity, increases big piece such as gear box, motor and changes when maintaining from hoist and mount ability. According to the self-maintenance lifting device for the underneath type fan engine room, the underneath type winch is arranged on the tower barrel base, so that the situation that the winch is assembled in the cabin after being disassembled and hoisted is avoided, the space of the engine room is saved, and the operation efficiency is improved.

Rope-off alarm mechanism can in time discover rope-off conditions on one side of the fixed guide wheel and the guide wheel set by setting, makes emergency stop action, avoids serious accidents, and improves operation safety performance. Through pneumatic cylinder drive lifting unit along girder track reciprocating motion, can drive the heavy object that promotes and remove along cabin width direction and take one's place, for use screw mechanism drive lifting unit to remove in the hoist of former patent, can provide bigger push-and-pull power, guaranteed the heavy burden and removed, when hoisting gear box, generator etc. major component, screw mechanism hardly realizes removing. The integrated pump station is arranged below the hydraulic cylinder, so that the structure is more compact, the requirement on installation space is reduced, the pipe distribution distance is reduced, and the failure rate is low.

Drawings

The utility model is further illustrated in the following description with reference to the drawings.

FIG. 1 is a schematic front view of a self-maintenance lifting device for a underneath type wind turbine nacelle according to the present invention;

FIG. 2 is a schematic top view of the self-maintenance lifting device for a underneath type wind turbine nacelle according to the present invention;

fig. 3 is a left side view of the interior of the nacelle according to the present invention.

Description of reference numerals: 1. a nacelle frame; 2. a travelling crane track; 3. a winch; 301. a universal guide wheel; 4. fixing a guide wheel; 5. a guide wheel set; 6. a lifting portion; 7. a main beam; 701. a main beam track; 9. a hydraulic cylinder; 10. and (4) integrating a pump station.

Detailed Description

The core of the utility model is to provide a self-maintenance lifting device for the engine room of the underneath type fan, wherein the underneath type winch is arranged on a tower cylinder base, so that the disassembly, hoisting and the assembly of the winch in the engine room are avoided, the space of the engine room is saved, and the operation efficiency is improved.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to the drawings, fig. 1 is a schematic front view structural diagram of a self-maintenance lifting device of a underneath type fan nacelle of the utility model; FIG. 2 is a schematic top view of the self-maintenance lifting device for a underneath type wind turbine nacelle according to the present invention; fig. 3 is a left side view of the interior of the nacelle according to the present invention.

In a specific embodiment, as shown in fig. 1 to 3, the self-maintenance lifting device for the underneath type fan cabin comprises a travelling crane track 2 and a travelling crane main body, wherein the travelling crane track 2 is arranged above a cabin frame 1, the travelling crane main body comprises a lifting part 6 and a crane body, a fixed pulley block is arranged on the lifting part 6, a movable pulley block is arranged on the crane body, and a steel wire rope is connected between the fixed pulley block and the movable pulley block in a penetrating manner. The self-maintenance lifting device of the underneath type fan cabin further comprises a winch 3 and a fixed guide wheel 4, wherein the winch 3 is installed on the tower base through foundation bolts, and the winch 3 vertically outputs a steel wire rope upwards to the fixed guide wheel 4. The cabin cover is provided with a hole of stepping down in the position where the vertical conveying section of the steel wire rope passes through, and a cover capable of being detached is arranged on the hole of stepping down. The fixed guide wheel 4 is arranged on the engine room frame 1 and located at one end of the traveling rail 2, the fixed guide wheel 4 guides the steel wire rope to the guide wheel set 5 on the traveling main body, and the guide wheel set 5 guides the steel wire rope to the fixed pulley set.

By lowering the position of the hoist 3 onto the tower base, the wire rope is delivered up to the fixed guide wheel 4 and guided to the lifting portion 6, providing traction lifting power. The steps of disassembling the winch 3 and lifting the auxiliary crane to the cabin and assembling the auxiliary crane in the cabin are avoided, the space of the winch reserved in the design stage of the cabin is also avoided, and the size of the cabin is reduced. And, hoist engine 3 of drive effect places on tower section of thick bamboo base, is convenient for promote hoist engine power, improves the tractive capacity, and then increases and lifts by crane the load capacity, increases big piece such as gear box, motor and changes the self-lifting ability when maintaining. According to the self-maintenance lifting device for the underneath type fan engine room, the underneath type winch is arranged on the tower barrel base, so that the situation that the winch is assembled in the cabin after being disassembled and hoisted is avoided, the space of the engine room is saved, and the operation efficiency is improved.

In one embodiment of the present invention, as shown in fig. 1, a universal guide pulley 301 is provided on the top of the winch 3, and the wire rope passes upward through the universal guide pulley 301 to the fixed guide pulley 4.

Through the setting of universal introduction 301, be convenient for adjust wire rope's support angle, prevent to take off the rope, be favorable to adapting to the position change that the hoist engine was placed at the column foot. Meanwhile, the fan needs to yaw according to the wind direction, the entrance position of the steel wire rope changes relative to the winch, and the universal guide vane 301 can adapt to the yaw under the condition.

In a specific embodiment of the utility model, as shown in fig. 1 and 2, a rope-releasing alarm mechanism is arranged beside the fixed guide wheel 4 and the guide wheel set 5, the rope-releasing alarm mechanism adopts a limit switch to detect a rope-releasing signal, the limit switch is arranged on a tray in the direction of the steel wire rope wheel-releasing direction, when the steel wire rope falls off from a roller groove, the steel wire rope is pressed on the tray, and the limit switch is triggered to transmit a signal to a control box, so that the hoisting is stopped urgently.

Rope-off alarm mechanism can in time discover rope-off conditions by setting up the rope-off alarm mechanism beside the fixed guide wheel 4 and the guide wheel group 5, and make emergency stop action, thereby avoiding serious accidents and improving operation safety performance.

In a specific embodiment of the present invention, as shown in fig. 2 and 3, the traveling crane main body includes end beams, main beams 7 and a hydraulic cylinder 9, the two end beams are slidably connected to the traveling crane rail 2 through a sliding block, the two main beams 7 are parallel bolted between the two end beams, a main beam rail 701 is laid on the top surface of the main beam 7, and the lifting portion 6 is slidably connected to the main beam rail 701 in a guiding manner. The bottom of the hydraulic cylinder 9 is connected to the top of the end beam through a hinged support, and the working end of the hydraulic cylinder 9 is connected to the side wall of the frame of the lifting part 6.

Specifically, as shown in fig. 2 and 3, the traveling crane main body further comprises an integrated pump station 10, the integrated pump station 10 comprises an integrated oil tank and an oil pump, and a motor is arranged outside the oil pump; the integrated pump station 10 is arranged below the hydraulic cylinder 9, and the integrated pump station 10 provides high-pressure hydraulic oil to the hydraulic cylinder 9.

The lifting part 6 is driven to reciprocate along the girder rail 701 through the hydraulic cylinder 9, the lifted heavy object can be driven to move in place along the width direction of the cabin, and compared with the lifting part 6 driven by a screw rod mechanism in the original patent lifting appliance, the lifting part can provide larger push-pull force, the heavy load movement is ensured, and when large components such as a gear box and a generator are lifted, the screw rod mechanism is difficult to move. By arranging the integrated pump station 10 below the hydraulic cylinder 9, the structure is more compact, the requirement on installation space is reduced, the pipe distribution distance is reduced, and the failure rate is low.

When the self-maintenance lifting device of the underneath type fan engine room works: firstly, the winch 3 is installed on a tower drum base, and the base of the winch 3 is reinforced and anchored through foot bolts. And connecting the steel wire rope to a winding drum of the winch 3 to start hoisting. When the lifted heavy object needs to be moved along the width direction of the cabin, the integrated pump station 10 is controlled to act, and then the hydraulic cylinder 9 pushes or pulls the lifting part 6 to reciprocate along the main beam rail 701, so that the displacement is completed.

According to the self-maintenance lifting device for the underneath type fan engine room, the position of the winch 3 is lowered onto the tower drum base, the steel wire rope is upwards output to the fixed guide wheel 4 and guided to the lifting part 6, and traction lifting power is provided. The steps of disassembling the winch 3 and lifting the auxiliary crane to the cabin and assembling the auxiliary crane in the cabin are avoided, the space of the winch reserved in the design stage of the cabin is also avoided, and the size of the cabin is reduced. And, hoist engine 3 of drive effect places on tower section of thick bamboo base, is convenient for promote hoist engine power, improves the tractive capacity, and then increases and lifts by crane the load capacity, increases big piece such as gear box, motor and changes the self-lifting ability when maintaining. According to the self-maintenance lifting device for the underneath type fan engine room, the underneath type winch is arranged on the tower barrel base, so that the situation that the winch is assembled in the cabin after being disassembled and hoisted is avoided, the space of the engine room is saved, and the operation efficiency is improved. In addition, through setting up the warning mechanism of taking off the rope in fixed leading wheel 4 and leading wheelset 5 one side, can in time discover to take off the rope condition, make scram action, avoid taking place serious accident, improved the operation security performance. Drive lifting unit 6 through pneumatic cylinder 9 along girder track 701 reciprocating motion, can drive the heavy object of promotion and remove along cabin width direction and take one's place, for use screw mechanism drive lifting unit 6 to remove in the hoist of former patent, can provide bigger push-and-pull power, guaranteed the heavy burden and removed, when hoisting gear box, generator etc. major component, screw mechanism hardly realizes removing. By arranging the integrated pump station 10 below the hydraulic cylinder 9, the structure is more compact, the requirement on installation space is reduced, the pipe distribution distance is reduced, and the failure rate is low.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.

Claims

1. The utility model provides an underlying fan cabin is from maintaining hoisting device, is including setting up driving track (2) and the driving main part in cabin frame (1) top, the driving main part is including lifting portion (6) and hanging the concrete body, be provided with the fixed pulley group on lifting portion (6), it is provided with the running block on the concrete body to hang, the cross-under has wire rope, its characterized in that between fixed pulley group and the running block: the novel crane is characterized by further comprising a winch (3) and a fixed guide wheel (4), wherein the winch (3) is arranged on a tower base, the winch (3) vertically outputs a steel wire rope upwards to the fixed guide wheel (4), the fixed guide wheel (4) is arranged on the engine room frame (1) and is located at one end of the travelling crane track (2), the fixed guide wheel (4) guides the steel wire rope to a guide wheel group (5) on the travelling crane main body, and the guide wheel group (5) guides the steel wire rope to the fixed pulley group.

2. The self-maintenance lifting device of an underneath fan nacelle according to claim 1, wherein: the top of the winch (3) is provided with a universal guide wheel (301), and the steel wire rope upwards passes through the universal guide wheel (301) to the fixed guide wheel (4).

3. The self-maintenance lifting device of an underneath fan nacelle according to claim 1, wherein: and a rope-off alarm mechanism is arranged beside the fixed guide wheel (4) and the guide wheel set (5), and the rope-off alarm mechanism detects a rope-off signal by adopting a limit switch.

4. The self-maintenance lifting device for the underneath type fan engine room according to any one of claims 1 to 3, wherein: the travelling crane main body comprises end beams, main beams (7) and hydraulic cylinders (9), the two end beams are arranged on the travelling crane track (2), the two main beams (7) are connected between the two end beams in parallel, the main beams (7) are provided with main beam tracks (701), and the lifting part (6) is connected to the main beam tracks (701) in a guiding and sliding manner; the bottom of the hydraulic cylinder (9) is connected to the top of the end beam through a hinged support, and the working end of the hydraulic cylinder (9) is connected to the side wall of the frame of the lifting part (6).

5. The self-maintenance lifting device for the under-positioned fan nacelle according to claim 4, wherein: the driving main body further comprises an integrated pump station (10), the integrated pump station (10) is arranged below the hydraulic cylinder (9), and the integrated pump station (10) provides high-pressure hydraulic oil to the hydraulic cylinder (9).