Main frame climbing device of wind generating set

Abstract

The utility model relates to the technical field of wind generating sets, and provides a wind generating set main rack climbing device which comprises a rack cylinder, a ladder stand is arranged in the rack cylinder, fixing assemblies are arranged at the two ends of the ladder stand and used for fixing the ladder stand, and a climbing assembly is arranged at the front end of each fixing assembly and used for fixing the ladder stand. The fixing assembly is arranged at the rear end of the fixing assembly and used for helping maintenance personnel to climb, the transmission assembly is arranged at the rear end of the fixing assembly, the manned assembly is arranged at the rear end of the transmission assembly and used for bearing the maintenance personnel, and the protection assembly is arranged at the top end of the rear side of the manned assembly and used for protecting the maintenance personnel. And the fixing assembly comprises a plurality of fixing legs fixedly connected to the two ends of the crawling ladder, the front ends of the multiple fixing legs are attached to the inner wall of the rack cylinder, the multiple fixing legs are vertically distributed on the two sides of the crawling ladder at equal intervals, it is avoided that maintenance personnel touch fan blades in the upward moving process, and the application range of the device is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine generator sets, and in particular to a climbing device for a main frame of a wind turbine generator set. Background Art

[0002] After searching, the existing patent (publication number: CN214887486U) discloses a ladder pedal assembly for the main frame of a wind turbine generator set, including a vertical column, the vertical column is sleeved with a first fixed ring, the first fixed ring is connected to a rotating ring through a limit device, a rotating motor is fixedly installed on the first fixed ring, the rotating ring is connected to a standing component through a moving device, the standing component is connected to a second fixed ring through a buffer device, and the second fixed ring is fixedly sleeved with the vertical column. The utility model controls the rotating motor through a control switch, and the rotating motor drives the rotating shaft to rotate, drives the gear to rotate, so that the rotating ring rotates relative to the first fixed ring, so that the angle of the standing plate relative to the first fixed ring changes, and the electric telescopic rod drives the movement of the moving rod to control the standing plate to approach or move away from the first fixed ring, so that the straight-line distance of the standing plate relative to the first fixed ring changes. This structure allows maintenance personnel to control their standing position according to actual conditions without climbing, thereby eliminating safety hazards. The above-mentioned utility model does not require users to climb, avoids risks in the process of climbing, and reduces the safety hazards of the device. However, the device is suitable for use outside the wind turbine group, and may touch the rotating fan blades during the ascent. Therefore, it may be necessary to select a suitable direction when using the device, thereby reducing the scope of use of the device and thus reducing the practical performance of the device. Utility Model Content

[0003] The utility model provides a main frame climbing device for a wind turbine generator set, which solves the problem in the related art that the device may need to select a suitable direction when in use, thereby reducing the use range of the device and thus reducing the practical performance of the device.

[0004] The technical solution of the utility model is as follows: A climbing device for the main frame of a wind turbine generator set, comprising: a frame tube, a ladder is arranged inside the frame tube, both ends of the ladder are provided with fixing components for fixing the ladder, a climbing component is arranged at the front end of the fixing component for helping maintenance personnel to climb, a transmission component is arranged at the rear end of the fixing component, a manned component is arranged at the rear end of the transmission component for carrying maintenance personnel, and a protective component is arranged at the top end of the rear side of the manned component for protecting maintenance personnel.

[0005] The fixing assembly includes a plurality of fixing legs fixedly connected to both ends of the ladder, the front ends of the plurality of fixing legs are in contact with the inner wall of the frame tube, the plurality of fixing legs are vertically equidistantly distributed on both sides of the ladder, the front ends of the plurality of fixing legs are threadedly connected to a plurality of fixing screws on both sides, and the other ends of the plurality of fixing screws are threadedly connected to the inner wall of the frame tube.

[0006] Preferably, the climbing assembly comprises a plurality of climbing rings fixedly connected to the front end of the climbing assembly, and a plurality of protective rings are fixedly connected to both sides of the front end of the ladder.

[0007] Preferably, the transmission assembly includes a fixed seat fixedly connected to both sides of the bottom end of the ladder, and the right end outer wall of the right end fixed seat is fixedly connected to a rotating motor, the output end of the rotating motor passes through the left end outer wall of the right end fixed seat and is fixedly connected to a winding roller, and the left end of the winding roller is rotatably connected to the left end fixed seat.

[0008] Preferably, the transmission assembly also includes a lifting rope mounted on the left and right ends of the winding roller, the front top ends of the two lifting ropes are slidably connected to a transmission wheel, the outer wall of the transmission wheel is rotatably connected to a fixed frame, and both ends of the fixed frame are fixedly connected to the ladder.

[0009] Preferably, the transmission assembly also includes a rising wheel slidably connected to the bottom end of the front side of the two lifting ropes, both ends of the rising wheel are rotatably connected to fixed rods, and the other ends of the two lifting ropes are fixedly connected to the outer wall of the bottom end of the fixed frame.

[0010] Preferably, the manned component includes a base fixedly connected to the outer walls of the rear ends of the two fixed rods, an armrest is fixedly connected to the outer wall of the front top end of the base, a control box is arranged on the inner side of the armrest, and the bottom end of the control box is fixedly connected to the outer wall of the top end of the base.

[0011] Preferably, the manned assembly also includes a sliding ring fixedly connected to the outer walls at both ends of the front side of the armrest, the inner walls of the two sliding rings are slidably connected with sliding rods, the bottom ends of the two sliding rods are fixedly connected to the top of the fixed seat, and the top ends of the two sliding rods are fixedly connected to the bottom end of the fixed frame.

[0012] Preferably, the protection assembly comprises locking rails opened on both sides of the bottom end of the base, and the inner walls of the two locking rails are both locked and connected with locking rods.

[0013] Preferably, the protection component also includes a first guardrail fixedly connected to the outer wall of the top end of the two locking rods, the front ends of the two first guardrails are both locked and connected with fixing bolts, and the bottom ends of the two fixing bolts are both threadedly connected to the base.

[0014] Preferably, the protection component also includes a second guardrail rotatably connected to the rear end of the first guardrail on the right side, the left end outer wall of the second guardrail is in contact with the rear end of the first guardrail on the left side, and the left end of the second guardrail is snap-connected with a reinforcement rod, which is snap-connected to the rear end of the first guardrail on the left side.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. In the utility model, by placing the device inside the rack tube, it is convenient for maintenance personnel to climb up from the inside of the rack tube, thereby facilitating the maintenance personnel to ascend and avoiding the maintenance personnel from touching the fan blades during the upward movement, thereby improving the applicable scope of the device, thereby improving the practical performance of the maintenance personnel, and then protecting the maintenance personnel from climbing through the combination of the climbing ring and the protective ring, and then protecting the maintenance personnel during the upward movement through the protective assembly, thereby improving the safety performance of the device, and thus improving the work efficiency of the maintenance personnel; BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the front three-dimensional structure proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the fixing assembly and the transmission assembly proposed in the utility model;

[0020] Figure 3 This is a schematic diagram of the expanded structure of the climbing assembly and the transmission assembly proposed in the utility model;

[0021] Figure 4 This is a schematic diagram of the expanded structure of the manned component and the protective component proposed in the utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the transmission component proposed by the utility model;

[0023] Figure 6 This is a right-side plan view of the structure of the transmission assembly proposed by the utility model;

[0024] In the figure: 1. rack barrel; 2. ladder; 3. fixing assembly; 301. fixing leg; 302. fixing screw; 4. climbing assembly; 401. climbing ring; 402. protective ring; 5. transmission assembly; 501. fixing seat; 502. rotating motor; 503. winding roller; 504. lifting rope; 505. transmission wheel; 506. rising wheel; 507. fixing frame; 508. fixing rod; 6. manned assembly; 601. base; 602. handrail; 603. control box; 604. slip ring; 605. sliding rod; 7. protective assembly; 701. locking rail; 702. locking rod; 703. first guardrail; 704. fixing bolt; 705. second guardrail; 706. reinforcement rod. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The present application embodiment discloses a climbing device for a main frame of a wind turbine generator set. Figure 1-Figure 3A climbing device for a main frame of a wind turbine generator set comprises: a frame tube 1, a ladder 2 is arranged inside the frame tube 1, both ends of the ladder 2 are provided with a fixing assembly 3 for fixing the ladder 2, a climbing assembly 4 is arranged at the front end of the fixing assembly 3 for helping maintenance personnel to climb, a transmission assembly 5 is arranged at the rear end of the fixing assembly 3, a manned assembly 6 is arranged at the rear end of the transmission assembly 5 for carrying maintenance personnel, a protective assembly 7 is arranged at the rear top end of the manned assembly 6 for protecting maintenance personnel, the fixing assembly 3 comprises a plurality of fixing legs 301 fixedly connected to both ends of the ladder 2, the front ends of the plurality of fixing legs 301 are in contact with the inner wall of the frame tube 1, the plurality of fixing legs 301 are vertically equidistantly distributed on both sides of the ladder 2, the front ends of the plurality of fixing legs 301 are threadedly connected to a plurality of fixing screws 302, and the other ends of the plurality of fixing screws 302 are The climbing assembly 4 is threadedly connected to the inner wall of the frame tube 1, and the climbing assembly 4 includes a plurality of climbing rings 401 fixedly connected to the front end of the climbing assembly 4, and a plurality of protective rings 402 are fixedly connected to the front ends of the ladder 2. The height between each two fixed legs 301 is greater than the height of the maintenance personnel. At the same time, the bottom fixed leg 301 is located at the bottom end of the ladder 2, which is convenient for the maintenance personnel to pass through the fixed leg 301. The height of the bottom protective ring 402 is higher than the height of the maintenance personnel, which is convenient for the user to climb. The pedals of the ladder 2 all correspond to the climbing rings 401 one by one, and the number is the same, which is convenient for the maintenance personnel to step on the plane formed by the bottom pedal and the climbing ring 401 with both feet when climbing, and hold the upper climbing ring 401 with both hands, thereby increasing the force area of ​​the feet of the maintenance personnel when climbing, increasing the climbing stability of the maintenance personnel, and then protecting the maintenance personnel through the protective ring 402 to prevent the maintenance personnel from leaning back during the climbing process.

[0027] See also Figure 2-Figure 6The transmission assembly 5 includes a fixed seat 501 fixedly connected to both sides of the bottom end of the ladder 2, a rotating motor 502 is fixedly connected to the right end outer wall of the right end fixed seat 501, an output end of the rotating motor 502 passes through the left end outer wall of the right end fixed seat 501 and is fixedly connected to a winding roller 503, the left end of the winding roller 503 is rotatably connected to the left end fixed seat 501, the transmission assembly 5 also includes a suspension rope 504 sleeved on the left and right ends of the winding roller 503, and the front top ends of the two suspension ropes 504 are slidably connected to The transmission wheel 505 has an outer wall that is rotatably connected to a fixed frame 507, and both ends of the fixed frame 507 are fixedly connected to the ladder 2. The transmission assembly 5 also includes a rising wheel 506 that is slidably connected to the bottom ends of the front sides of the two suspension ropes 504, and both ends of the rising wheel 506 are rotatably connected to fixed rods 508, and the other ends of the two suspension ropes 504 are fixedly connected to the outer wall of the bottom end of the fixed frame 507. The manned assembly 6 includes a base 601 that is fixedly connected to the outer wall of the rear ends of the two fixed rods 508. The front top outer wall of the seat 601 is fixedly connected with an armrest 602, and a control box 603 is arranged inside the armrest 602. The bottom end of the control box 603 is fixedly connected to the top outer wall of the base 601. The manned component 6 also includes a slip ring 604 fixedly connected to the outer walls of both ends of the front side of the armrest 602. The inner walls of the two slip rings 604 are slidably connected with slide rods 605. The bottom ends of the two slide rods 605 are fixedly connected to the top of the fixed seat 501, and the top ends of the two slide rods 605 are fixedly connected to the top of the fixed frame 507. The bottom end is fixedly connected, and the transmission wheel 505 and the rising wheel 506 divide the suspension rope 504 into three ends. When the suspension rope 504 on the front side of the transmission wheel 505 moves upward, the transmission wheel 505 is used as a fulcrum to make the suspension rope 504 at the rear end of the transmission wheel 505 move upward, and at the same time, the rising wheel 506 is used as a fulcrum to make the suspension rope 504 at the rear end of the rising wheel 506 move downward. At the same time, the suspension rope 504 on the front side of the rising wheel 506 is fixedly connected to the bottom end of the fixed frame 507, thereby driving the rising wheel 506 to rise.

[0028] See also Figure 2-Figure 4The protection component 7 includes a locking rail 701 opened on both sides of the bottom end of the base 601, and the inner walls of the two locking rails 701 are locked and connected with a locking rod 702. The protection component 7 also includes a first guardrail 703 fixedly connected to the outer wall of the top end of the two locking rods 702, and the front ends of the two first guardrails 703 are locked and connected with fixing bolts 704. The bottom ends of the two fixing bolts 704 are threadedly connected to the base 601. The protection component 7 also includes a second guardrail 705 rotatably connected to the rear end of the right first guardrail 703, and the left end outer wall of the second guardrail 705 is in contact with the rear end of the left first guardrail 703. The left end of the second guardrail 705 is snap-connected with a reinforcing rod 706, and the reinforcing rod 706 is snap-connected with the rear end of the first guardrail 703 on the left side. The control box 603 controls the rotating motor 502 by remote control, and the first guardrail 703 and the base 601 are fixed together by fixing bolts 704 to reinforce the first guardrail 703. The reinforcing rod 706, the first guardrail 703 and the second guardrail 705 are snap-connected to form a semi-enclosed protective railing to protect the maintenance personnel during their upward movement.

[0029] Working principle and usage process: When the maintenance personnel need to climb, they pass through the space between the fixed legs 301, move under the protective ring 402, hold the climbing ring 401 and climb upwards to achieve the climbing purpose. When the user does not want to climb, first align the engaging rod 702 at the bottom end of the first guardrail 703 with the mouth of the engaging rail 701 at the top of the base 601, move the first guardrail 703 forward, so that the engaging rod 702 at the bottom end of the first guardrail 703 engages with the inside of the engaging rail 701, and then passes the fixing bolt 704 through the inner wall of the front end of the first guardrail 703 and is fixed with the top thread of the base 601. At this time, the maintenance personnel moves to the upper end of the base 601, and then rotates the second guardrail 705, so that the left end of the second guardrail 705 coincides with the rear end of the first guardrail 703 on the left, and then the reinforcement rod 706 is moved forward according to the The first guardrail 703 and the second guardrail 705 are penetrated through the first guardrail 703 and the second guardrail 705 for the second time, thereby fixing the first guardrail 703 and the second guardrail 705 together. At this time, the maintenance personnel holds the handrail 602 and starts the rotating motor 502 through the control box 603, so that the output end of the rotating motor 502 drives the winding roller 503 to wind up, and drives the suspension rope 504 on the rear side of the winding roller 503 to move downward through the winding roller 503, so that the suspension rope 504 on the rear side of the transmission wheel 505 moves upward, and drives the rising wheel 506 to move upward through the suspension rope on the rear side of the transmission wheel 505, drives the fixing rod 508 to move upward through the rising wheel 506, drives the base 601 to move upward through the fixing rod 508, drives the slip ring 604 to slide upward on the slide rod 605 through the base 601, and drives the maintenance personnel to rise through the base 601.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A climbing device for a main frame of a wind turbine generator set, comprising: A frame tube (1), characterized in that a ladder (2) is arranged inside the frame tube (1), both ends of the ladder (2) are provided with fixing components (3) for fixing the ladder (2), a climbing component (4) is arranged at the front end of the fixing component (3) for helping maintenance personnel to climb, a transmission component (5) is arranged at the rear end of the fixing component (3), a manned component (6) is arranged at the rear end of the transmission component (5) for carrying maintenance personnel, and a protective component (7) is arranged at the rear top end of the manned component (6) for protecting maintenance personnel; The fixing assembly (3) comprises a plurality of fixing legs (301) fixedly connected to both ends of the ladder (2); the front ends of the plurality of fixing legs (301) are in contact with the inner wall of the frame tube (1); the plurality of fixing legs (301) are vertically equidistantly distributed on both sides of the ladder (2); both sides of the front ends of the plurality of fixing legs (301) are threadedly connected to a plurality of fixing screws (302); and the other ends of the plurality of fixing screws (302) are threadedly connected to the inner wall of the frame tube (1).

2. A climbing device for a main frame of a wind turbine generator set according to claim 1, characterized in that: The climbing assembly (4) comprises a plurality of climbing rings (401) fixedly connected to the front end of the climbing assembly (4), and a plurality of protective rings (402) are fixedly connected to both sides of the front end of the ladder (2).

3. A climbing device for a main frame of a wind turbine generator set according to claim 1, characterized in that: The transmission assembly (5) comprises a fixed seat (501) fixedly connected to both sides of the bottom end of the ladder (2); a rotating motor (502) is fixedly connected to the right end outer wall of the right end fixed seat (501); an output end of the rotating motor (502) passes through the left end outer wall of the right end fixed seat (501) and is fixedly connected to a winding roller (503); and a left end of the winding roller (503) is rotatably connected to the left end fixed seat (501).

4. A climbing device for a main frame of a wind turbine generator set according to claim 3, characterized in that: The transmission assembly (5) further comprises a suspension rope (504) sleeved on the left and right ends of the winding roller (503); the front top ends of the two suspension ropes (504) are slidably connected to a transmission wheel (505); the outer wall of the transmission wheel (505) is rotatably connected to a fixed frame (507); and both ends of the fixed frame (507) are fixedly connected to the ladder (2).

5. A climbing device for a main frame of a wind turbine generator set according to claim 4, characterized in that: The transmission assembly (5) further comprises a rising wheel (506) slidably connected to the front bottom ends of the two suspension ropes (504), both ends of the rising wheel (506) are rotatably connected to fixed rods (508), and the other ends of the two suspension ropes (504) are fixedly connected to the outer wall of the bottom end of the fixed frame (507).

6. A climbing device for a main frame of a wind turbine generator set according to claim 5, characterized in that: The manned assembly (6) comprises a base (601) fixedly connected to the rear end outer walls of the two fixing rods (508); a handrail (602) is fixedly connected to the front top outer wall of the base (601); a control box (603) is arranged inside the handrail (602); and the bottom end of the control box (603) is fixedly connected to the top outer wall of the base (601).

7. A climbing device for a main frame of a wind turbine generator set according to claim 6, characterized in that: The passenger-carrying assembly (6) further comprises a sliding ring (604) fixedly connected to the outer walls at both ends of the front side of the handrail (602); the inner walls of the two sliding rings (604) are slidably connected to sliding rods (605); the bottom ends of the two sliding rods (605) are fixedly connected to the top ends of the fixing seats (501); and the top ends of the two sliding rods (605) are fixedly connected to the bottom ends of the fixing frames (507).

8. A climbing device for a main frame of a wind turbine generator set according to claim 6, characterized in that: The protection assembly (7) comprises locking rails (701) provided on both sides of the bottom end of the base (601), and the inner walls of the two locking rails (701) are both locked and connected with locking rods (702).

9. A climbing device for a main frame of a wind turbine generator set according to claim 8, characterized in that: The protection assembly (7) further comprises a first guardrail (703) fixedly connected to the outer wall of the top ends of the two engaging rods (702), the front ends of the two first guardrails (703) being engaged with fixing bolts (704), and the bottom ends of the two fixing bolts (704) being threadedly connected to the base (601).

10. A climbing device for a main frame of a wind turbine generator set according to claim 9, characterized in that: The protection component (7) also includes a second guardrail (705) rotatably connected to the rear end of the first guardrail (703) on the right side, the left end outer wall of the second guardrail (705) is in contact with the rear end of the first guardrail (703) on the left side, and the left end of the second guardrail (705) is snap-connected with a reinforcement rod (706), and the reinforcement rod (706) is snap-connected with the rear end of the first guardrail (703) on the left side.

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