A wind power tower maintenance and repair device

Abstract

The present invention discloses a wind turbine tower maintenance and inspection device, comprising an arc-shaped guide rail assembly, a lifting and rotating car assembly, a ladder assembly, a power assembly, and a hanging beam assembly. The present invention offers the following advantages: a multi-purpose device, a simple structure, convenient operation, time-saving and labor-saving installation, high product stability, light overall weight, and low cost. It significantly reduces the load-bearing capacity of the wind turbine tower and has promising market prospects.

Description

Technical Field

[0001] The present invention relates to the field of wind power generation, and in particular to a wind power generation tower maintenance and repair device. Background Art

[0002] With the rapid development of Chinese society, electricity consumption is increasing. Wind power generation is energy-saving and environmentally friendly, and the country strongly supports its development. To increase power generation, towers are becoming taller and larger in diameter. Traditional wind turbine towers are equipped with fixed platforms and tower elevators. The fixed platforms cover the entire tower cross-section, which is time-consuming and labor-intensive to install, significantly affecting the overall load-bearing capacity of the tower. In addition, these platforms are generally only used for bolt maintenance and repair, while the tower elevator can only move up and down. Summary of the Invention

[0003] The present invention aims to provide a wind power tower maintenance and inspection device to reduce tower weight, installation cost, material cost, and realize vertical movement and horizontal arc movement of the tower elevator.

[0004] To achieve the above-mentioned objectives, the present invention provides a wind power tower maintenance and inspection device, comprising: an arc-shaped guide rail assembly, a lifting and rotating car assembly, a ladder assembly, a power assembly, and a hanging beam assembly; the arc-shaped guide rail assembly is installed on the wall of the wind power tower to guide the lifting and rotating car assembly; the lifting and rotating car assembly can move up and down along the ladder assembly and can move along the circumference of the arc-shaped guide rail assembly; the ladder assembly is installed on the wall of the wind power tower to guide the lifting and rotating car assembly; the power assembly is installed on the bottom platform of the wind power tower to drive the lifting and rotating car assembly to move up and down; the hanging beam assembly is installed on the top of the wind power tower.

[0005] Optionally, the arc-shaped guide rail assembly includes: a guide rail support and an arc-shaped guide rail weldment; the guide rail support is installed on the wall support of the wind power tower; and the arc-shaped guide rail weldment is installed on the guide rail support.

[0006] Optionally, the arc-shaped guide rail assembly is assembled into a full circle by welding multiple sections of the arc-shaped guide rail.

[0007] Optionally, the top surface of the arc-shaped guide rail weldment has a flange, and the bottom is welded with an arc inner gear ring.

[0008] Optionally, the lifting and rotating car assembly includes: a car body, a ladder guide device, a cylinder wall support wheel assembly, a guide wheel assembly, a handwheel, a reducer, a gear, and a gear shaft; the car body has semi-open windows on four sides; the ladder guide device is installed on the car body, and is used to guide the lifting and rotating car assembly when it moves up and down; the cylinder wall support wheel assembly is installed on the car body, and is used to support the lifting and rotating car assembly when it moves in a circular motion; the guide wheel assembly is installed on the car body, and is used to guide the lifting and rotating car assembly when it moves in a circular motion; the handwheel is installed on the reducer; the reducer is installed on the car body; the gear is installed on the gear shaft; and the gear shaft is installed on the reducer.

[0009] Optionally, the guide wheel assembly includes: a guide sleeve, a guide column, a rotating welding part, and a directional wheel group; the guide sleeve is installed on the car body; the guide column is installed on the guide sleeve and can be telescopically rotated along the guide sleeve; the rotating welding part is installed on the guide column and can be rotated along the mounting hole; the directional wheel group is installed on the rotating welding part.

[0010] Optionally, after the lifting and rotating car assembly is installed on the arc-shaped guide rail assembly, the guide column is tightened, the rotating welding part rotates automatically, and the directional wheel group contacts the arc-shaped guide rail assembly.

[0011] Optionally, the lifting and rotating car assembly is connected to the power assembly via a steel wire rope, and after the lifting and rotating car assembly is installed on the arc-shaped guide rail assembly, the lifting and rotating car assembly is separated from the power assembly.

[0012] Optionally, the lifting and rotating car assembly drives the power assembly through wireless remote control to achieve the lifting and lowering of the lifting and rotating car assembly.

[0013] Optionally, the lifting and rotating car assembly is rotated horizontally by manually driving a hand wheel.

[0014] Optionally, the ladder assembly includes: a support, a pressure plate, a fixed ladder, and a telescopic ladder; the support is installed on the wind turbine tower; the pressure plate is installed on the support and is used to fix the fixed ladder and the telescopic ladder; the fixed ladder is installed on the support; the telescopic ladder is installed on the support and is located near the arc-shaped guide rail assembly.

[0015] Optionally, the telescopic ladder can be telescoped up and down.

[0016] Optionally, the power assembly includes: a hoist, a wire rope, and a rope take-up machine; the hoist is installed on the bottom platform of the wind turbine tower to provide power for the device; the wire rope passes through the hoist, one end is fixed to the rope take-up machine, and the other end passes through the hanging beam assembly and is fixed to the lifting and rotating car assembly; the rope take-up machine is installed on the bottom platform of the wind turbine tower and is used to retract and release the wire rope.

[0017] Optionally, the hanging beam assembly includes: a hanging beam, a guide wheel, and a guide wheel shaft; the hanging beam is installed on the top of the wind turbine tower; and the guide wheel is installed in the two hanging beams through the guide wheel shaft.

[0018] The beneficial effects of the present invention are: reducing tower weight, reducing installation costs, reducing material costs, and realizing vertical movement and horizontal arc movement of the tower elevator. The present invention can greatly shorten the manufacturing and installation cycle of wind power generation and has good market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which constitute part of the specification of this application, are intended to provide a further understanding of the present invention and are not intended to limit the present invention.

[0020] Figure 1 It is the overall schematic diagram of the device;

[0021] Figure 2 Schematic diagram of the arc guide rail assembly;

[0022] Figure 3 This is a schematic diagram of the lifting and rotating car assembly;

[0023] Figure 4 This is a schematic diagram of the ladder assembly;

[0024] Figure 5 Schematic diagram of the powertrain;

[0025] Figure 6 This is a schematic diagram of the hanging beam assembly;

[0026] Reference numerals:

[0027] 1-arc guide rail assembly; 2-lifting and rotating car assembly; 3-ladder assembly; 4-power assembly; 5-hanging beam assembly; 6-guide rail support; 7-arc guide rail weldment; 8-car body; 9-ladder guide device; 10-cylinder wall support wheel assembly; 11-guide wheel assembly; 12-handwheel; 13-reducer; 14-gear; 15-gear shaft; 16-guide sleeve; 17-guide column; 18-rotating weldment; 19-directional wheel group; 20-support; 21-pressure plate; 22-fixed ladder; 23-telescopic ladder; 24-hoist; 25-wire rope; 26-rope retractor; 27-hanging beam; 28-guide wheel; 29-guide wheel shaft. DETAILED DESCRIPTION

[0028] It should be noted that, unless there is a conflict, the embodiments in this application and the features in the embodiments may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] Reference Attachment Figure 1 -Attached Figure 6 This embodiment provides a wind turbine tower maintenance and inspection device, comprising: an arc-shaped guide rail assembly 1, a lifting and rotating car assembly 2, a ladder assembly 3, a power assembly 4, and a hanging beam assembly 5; the arc-shaped guide rail assembly 1 is mounted on the wall of the wind turbine tower and is used to guide the lifting and rotating car assembly 2; the lifting and rotating car assembly 2 can move up and down along the ladder assembly 3 and can move in a circle along the arc-shaped guide rail assembly 1; the ladder assembly 3 is mounted on the wall of the wind turbine tower and is used to guide the lifting and rotating car assembly 2; The power assembly 4 is installed on the bottom platform of the wind power tower and is used to drive the lifting and rotating car assembly 2 to move up and down; the hanging beam assembly 5 is installed on the top of the wind power tower and provides a support point for the wire rope 25; the power assembly 4 is connected to the lifting and rotating car assembly 2 through the wire rope 25, the power assembly 4 is powered on, the lifting and rotating car assembly 2 is on the bottom platform of the wind power tower, the operator enters the lifting and rotating car assembly 2, controls the power assembly 4 to retract the rope through the wireless remote control, and the lifting and rotating car assembly 2 rises along the ladder assembly 3. When the gear 14 exceeds After the arc-shaped guide rail assembly 1 is assembled, the position of the guide wheel assembly 11 is adjusted, and the wireless remote control is used to lower the lifting and rotating car assembly 2. When the guide wheel assembly 11 contacts the arc-shaped guide rail assembly 1, the lifting and rotating car assembly 2 stops running. The guide wheel assembly 11 is adjusted to complete the cooperation between the guide wheel assembly 11 and the arc-shaped guide rail assembly 1. The telescopic ladder 23 is retracted, and the wire rope 26 at both ends of the lifting and rotating car assembly is removed. The operator rotates the handwheel 12 to drive the gear 14 to rotate. The gear 14 cooperates with the arc-shaped guide rail assembly 1, thereby driving the lifting and rotating car assembly. 2 rotates, and the lifting and rotating car assembly 2 can perform 360° reciprocating rotation along the arc-shaped guide rail assembly 1. After completing the work, the operator moves the lifting and rotating car assembly 2 to the vicinity of the ladder assembly 3, connects the wire rope 26 to the lifting and rotating car assembly 2, unfolds the telescopic ladder 23, adjusts the guide wheel assembly 11 to disengage the guide wheel assembly 11 from the arc-shaped guide rail assembly 1, and operates the wireless remote control to raise the lifting and rotating car assembly 2 about 0.5 meters. After adjusting the guide wheel assembly 11 to the minimum retraction, the lifting and rotating car assembly 2 can begin to move up and down in the vertical direction.

[0030] The beneficial effects of this embodiment are that the lifting and rotating car assembly 2 can achieve horizontal 360° reciprocating rotation and vertical reciprocating operation, which reduces weight, reduces costs, and is easy to operate and maintain.

[0031] Preferably, the arc-shaped guide rail assembly 1 includes: a guide rail support 6 and an arc-shaped guide rail welding part 7; the guide rail support 6 is installed on the wall support of the wind power tower; and the arc-shaped guide rail welding part 7 is installed on the guide rail support 6.

[0032] The advantageous effects of this preferred embodiment are simple structure, safety, reliability, good stability and easy installation.

[0033] Preferably, the circular arc guide rail assembly 1 is assembled into a full circle by multiple sections of the circular arc guide rail welded parts 7.

[0034] The beneficial effects of this preferred embodiment are reduced manufacturing and transportation costs and easy installation.

[0035] Preferably, the top surface of the arc-shaped guide rail weldment 7 has a flange, and the bottom is welded with an arc inner gear ring, the flange is used in conjunction with the guide wheel assembly 11, and the arc inner gear ring is used in conjunction with the gear 14.

[0036] The advantageous effects of this preferred embodiment are that it has a guiding function, effectively prevents the directional wheel set 19 from falling out, has a simple structure and stable performance.

[0037] Preferably, the lifting and rotating car assembly 2 includes: a car body 8, a ladder guide device 9, a cylinder wall support wheel assembly 10, a guide wheel assembly 11, a hand wheel 12, a reducer 13, a gear 14, and a gear shaft 15; the car body 8 has four semi-open windows; the ladder guide device 9 is installed on the car body 8 and is used to guide the lifting and rotating car assembly 2 when it moves up and down; the cylinder wall support wheel assembly 10 is installed on the car body 8 and is used to rotate the circumference of the lifting and rotating car assembly 2 Support during movement; the guide wheel assembly 11 is installed on the car body 8, and is used to guide the lifting and rotating car assembly 2 during circular motion; the handwheel 12 is installed on the reducer 13; the reducer 13 is installed on the car body 8; the gear 14 is installed on the gear shaft 15; the gear shaft 15 is installed on the reducer 13; during inspection and maintenance, the half-open window of the car body 8 on the corresponding side is opened, and the handwheel 12 is manually cranked to change the position, and the half-open window is closed after completion.

[0038] The beneficial effect of this preferred embodiment is that the structural design can meet the needs of tower maintenance work in different directions, with high safety, and the design of the cylinder wall support wheel assembly 10 improves the stability of the overall operation of the equipment.

[0039] Preferably, the guide wheel assembly includes: a guide sleeve 16, a guide column 17, a rotating welding part 18, and a directional wheel group 19; the guide sleeve 16 is installed on the car body 8; the guide column 17 is installed on the guide sleeve 16, can be telescopically rotated along the guide sleeve 16, and the guide column 17 is threaded; the rotating welding part 18 is installed on the guide column 17, can be rotated along the mounting hole; the directional wheel group 19 is installed on the rotating welding part 18; when the lifting and rotating car assembly 2 runs vertically, the guide column 17 retracts toward the inside of the car body 8, and when the lifting and rotating car assembly 2 runs horizontally in a circular motion, the guide column 17 extends toward the inside of the car body 8, and two groups of directional wheel groups 19 are installed on the rotating welding part 18, one group contacts the top of the circular guide rail assembly 1 to play a supporting role.

[0040] The beneficial effect of this preferred embodiment is that the structural design is ingenious and the problems of guiding, supporting and tightening are solved at the same time.

[0041] Preferably, after the lifting and rotating car assembly 2 is installed on the arc-shaped guide rail assembly 1, the guide column 17 is tightened, the rotating welding part 18 rotates automatically, and the directional wheel set 19 contacts the outer arc surface of the arc-shaped guide rail assembly 1.

[0042] The beneficial effect of this preferred embodiment is to solve the problem of contact between the directional wheel set 19 and the outer arc surface of the arc-shaped guide rail assembly 1 after tightening.

[0043] Preferably, the lifting and rotating car assembly 2 is connected to the power assembly 4 through a steel wire rope 25. After the lifting and rotating car assembly 2 is installed on the arc-shaped guide rail assembly 1, the lifting and rotating car assembly 2 is separated from the power assembly 4.

[0044] The beneficial effect of this preferred embodiment is to solve the problem of smoothly separating the lifting and rotating car assembly 2 from the power assembly 4.

[0045] Preferably, the lifting and rotating car assembly 2 drives the power assembly 4 through wireless remote control to achieve the lifting and lowering of the lifting and rotating car assembly 2.

[0046] The beneficial effect of this preferred embodiment is that the lifting and rotating car assembly 2 has no follower cable, which solves the problem of vertical movement control of the lifting and rotating car assembly 2 and the problem of smooth separation from the power assembly 4.

[0047] Preferably, the lifting and rotating car assembly 2 is rotated horizontally by manually driving a hand wheel.

[0048] The beneficial effect of this preferred embodiment is to solve the power problem of the horizontal circular operation of the lifting and rotating car assembly 2.

[0049] Preferably, the ladder assembly 3 includes: a support 20, a pressure plate 21, a fixed ladder 22, and a telescopic ladder 23; the support 20 is installed on the wind turbine tower; the pressure plate 21 is installed on the support 20, and is used to fix the fixed ladder 22 and the telescopic ladder 23; the fixed ladder 22 is installed on the support 20; the telescopic ladder 23 is installed on the support 20, and is located near the arc-shaped guide rail assembly 1.

[0050] The beneficial effect of this preferred embodiment is to solve the vertical movement guidance problem of the lifting and rotating car assembly 2.

[0051] Preferably, the telescopic ladder 23 can be extended and retracted up and down. When the lifting and rotating car assembly 2 reaches the horizontal circular operation position, the telescopic ladder 23 is retracted to the shortest position. After the horizontal circular operation is completed, the telescopic ladder 23 is extended and connected to the fixed ladder 22.

[0052] The beneficial effect of this preferred embodiment is to solve the problem that the elevator rotating car assembly 2 is separated from the ladder assembly 3 during horizontal circular operation.

[0053] Preferably, the power assembly 4 includes: a hoist 24, a wire rope 25, and a rope take-up machine 26; the hoist 24 is installed on the bottom platform of the wind turbine tower to provide power for the device; the wire rope 25 passes through the hoist 24, one end is fixed on the rope take-up machine 26, and the other end passes through the hanging beam assembly 5 and is fixed on the lifting and rotating car assembly 2; the rope take-up machine 26 is installed on the bottom platform of the wind turbine tower and is used to retract and release the wire rope 25.

[0054] The beneficial effect of this preferred embodiment is to provide power for vertical movement of this solution and solve the problem of retracting and extending the steel wire rope 25.

[0055] Preferably, the hanging beam assembly 5 includes: a hanging beam 27, a guide wheel 28, and a guide wheel shaft 29; the hanging beam 5 is installed on the top of the wind turbine tower; the guide wheel 28 is installed in the two hanging beams 27 through the guide wheel shaft 29.

[0056] The beneficial effect of this preferred embodiment is that the steel wire rope 25 is effectively guided.

[0057] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A wind power tower maintenance and repair device, characterized in that: include: Arc-shaped guide rail assembly, lifting and rotating car assembly, ladder assembly, power assembly, and hanging beam assembly; the arc-shaped guide rail assembly is installed on the wall of the wind turbine tower; the ladder assembly is installed on the wall of the wind turbine tower; the lifting and rotating car assembly is connected to the power assembly via a wire rope; the lifting and rotating car assembly can move up and down along the ladder assembly and can move along the circumference of the arc-shaped guide rail assembly; the power assembly is installed on the bottom platform of the wind turbine tower and is used to drive the lifting and rotating car assembly to move up and down; the hanging beam assembly is installed on the top of the wind turbine tower; Wherein, the lifting and rotating car assembly is equipped with a guide wheel assembly, and the guide wheel assembly includes a guide sleeve, a guide column, a rotating welding part, and a directional wheel group; the guide sleeve is installed on the lifting and rotating car assembly; the guide column is installed on the guide sleeve and can be telescopically rotated along the guide sleeve, and the rotating welding part is installed on the guide column and can be rotated along the mounting hole; the directional wheel group is installed on the rotating welding part; when the lifting and rotating car assembly runs vertically along the ladder assembly, the guide column contracts, and when the lifting and rotating car assembly is installed on the arc guide rail assembly, the guide column is extended and tightened, and the rotating welding part automatically rotates so that the directional wheel group contacts the outer arc surface of the arc guide rail assembly.

2. A wind power tower maintenance and repair device according to claim 1, characterized in that: The arc-shaped guide rail assembly includes: a guide rail support and an arc-shaped guide rail welding part; the guide rail support is installed on the wall support of the wind power tower; the arc-shaped guide rail welding part is installed on the guide rail support.

3. The wind power tower maintenance and repair device according to claim 1, characterized in that: The lifting and rotating car assembly includes: a car body, a ladder guide device, a cylinder wall support wheel assembly, the guide wheel assembly, a handwheel, a reducer, a gear, and a gear shaft; the car body has semi-open windows on four sides; the ladder guide device is installed on the car body and is used to guide the lifting and rotating car assembly when it moves up and down; the cylinder wall support wheel assembly is installed on the car body and is used to support the lifting and rotating car assembly when it moves in a circular motion; the guide wheel assembly is installed on the car body and is used to guide the lifting and rotating car assembly when it moves in a circular motion; the handwheel is installed on the reducer; the reducer is installed on the car body; the gear is installed on the gear shaft; and the gear shaft is installed on the reducer.

4. The wind power tower maintenance and repair device according to claim 1, characterized in that: After the lifting and rotating car assembly is installed on the arc-shaped guide rail assembly, the lifting and rotating car assembly is separated from the power assembly.

5. The wind power tower maintenance and repair device according to claim 1, characterized in that: The lifting and rotating car assembly drives the power assembly through wireless remote control to achieve the lifting and lowering of the lifting and rotating car assembly.

6. The wind power tower maintenance and repair device according to claim 3, characterized in that: The lifting and rotating car assembly is rotated horizontally by manually driving a hand wheel.

7. The wind power tower maintenance and repair device according to claim 1, characterized in that: The ladder assembly includes: a support, a pressure plate, a fixed ladder, and a telescopic ladder; the support is installed on the wind power tower; the pressure plate is installed on the support and is used to fix the fixed ladder and the telescopic ladder; the fixed ladder is installed on the support; the telescopic ladder is installed on the support and is located near the arc-shaped guide rail assembly, and the telescopic ladder can be extended and retracted up and down.

8. The wind power tower maintenance and repair device according to claim 1, characterized in that: The power assembly includes: a hoist, a wire rope, and a rope take-up machine; the hoist is installed on the bottom platform of the wind turbine tower to provide power for the device; the wire rope passes through the hoist, one end is fixed to the rope take-up machine, and the other end passes through the hanging beam assembly and is fixed to the lifting and rotating car assembly; the rope take-up machine is installed on the bottom platform of the wind turbine tower and is used to retract and release the wire rope.

9. The wind power tower maintenance and repair device according to claim 1, characterized in that: The hanging beam assembly includes: a hanging beam, a guide wheel, and a guide wheel shaft; the hanging beam is installed on the top of the wind power tower; the guide wheel is installed in the two hanging beams through the guide wheel shaft.

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