Adjustable extension ladder for wind turbine generator

Abstract

The utility model belongs to the technical field of extension ladders, and particularly relates to an adjustable extension ladder for a wind turbine generator, which comprises a first sleeve, a two-way screw is arranged on the outer wall of the first sleeve, the outer wall of the two-way screw is in threaded connection with a driving sliding block, and the outer wall of the driving sliding block is in screwed connection with a supporting rotating plate. Driving grooves are formed in the connecting positions of the supporting rotating plates and the first sleeve, a second sleeve is movably connected to the top ends of the supporting rotating plates, the supporting rotating plates are arranged, the two driving sliding blocks slide to drive the two supporting rotating plates to rotate relatively, and the two supporting rotating plates rotate to drive the second sleeve and the first sleeve to slide relatively through the driven grooves; meanwhile, a second sleeve slides to drive a second cylinder to slide along the inner wall of the first cylinder through a second transverse plate, and two groups of supporting rotating plates which are rotationally distributed in an X shape are arranged, so that stable unfolding operation of the extension ladder is realized, and the bearing performance of the extension ladder is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of telescopic ladders, and in particular relates to an adjustable telescopic ladder for a wind turbine set. Background Art

[0002] When performing maintenance work in the cabin of a wind turbine, it is sometimes necessary to climb up with the help of a ladder. A telescopic ladder is a very suitable tool for carrying to the cabin of a wind turbine. A telescopic ladder needs to be placed in the cabin of a wind turbine.

[0003] For example, the patent with publication number CN218844213U discloses a telescopic ladder with adjustable width for wind turbines, which relates to the technical field of telescopic ladders and comprises two left and right bottom columns arranged parallel to each other, wherein a multi-stage telescopic sleeve is movably inserted into the upper end of the bottom column, and the multi-stage telescopic sleeve is connected by sleeves step by step, and a top column is movably inserted into the upper end of the telescopic sleeve of the uppermost stage; telescopic rods are fixedly installed on the bottom column, the top column and the upper end of each stage of the telescopic sleeve, and the telescopic rods on the left and right sides are arranged opposite to each other, and a horizontal sleeve is arranged between the left and right telescopic rods, and the left and right telescopic rods extend and are respectively inserted into the two ends of the horizontal sleeve; a first clamping hole is provided on the side surface of the upper end of the bottom column; the beneficial effect is that by setting the width adjustable, the minimum width can be adjusted to 36 cm and the maximum width can be adjusted to 54 cm, so that it can be placed on the step of the climb-free device and transported to the wind turbine cabin, and can also meet the stability requirements during use.

[0004] However, when using the existing adjustable telescopic ladder for wind turbines, the height of the telescopic ladder generally needs to be adjusted. When adjusting the height, the telescopic ladder is easily deformed by force, resulting in a decrease in the load-bearing performance of the telescopic ladder. In view of this, we propose an adjustable telescopic ladder for wind turbines. Utility Model Content

[0005] The utility model aims to solve the above-mentioned technical problems and to provide an adjustable telescopic ladder for a wind turbine set, so as to solve the problem that the telescopic ladder is easily deformed by force, resulting in a decrease in the load-bearing performance of the telescopic ladder.

[0006] In view of this, the utility model provides an adjustable telescopic ladder for a wind turbine generator set, comprising:

[0007] A first sleeve, an outer wall of the first sleeve is provided with a bidirectional screw, an outer wall of the bidirectional screw is threadedly connected to an active slider, an outer wall of the active slider is screwed to a supporting rotating plate, an active groove is provided at a connection position between the supporting rotating plate and the first sleeve, a second sleeve is movably connected to the top of the supporting rotating plate, a driven groove is provided at a connection position between the second sleeve and the supporting rotating plate, both ends of the first sleeve are penetrated by a first cross plate, one end of the first cross plate is fixedly connected to a first cylinder, an inner wall of the first cylinder is penetrated by a second cylinder, and an outer wall of the second cylinder is fixedly connected to a second cross plate that penetrates inside the second sleeve;

[0008] An adjusting component is located at the bottom end of the first sleeve and is used for adjusting the width of the telescopic ladder.

[0009] Based on the above structure, the rotation of the bidirectional screw drives the two groups of active sliders to slide relative to each other along the outer wall of the active groove, the sliding of the two groups of active sliders drives the two groups of supporting rotating plates to rotate relative to each other, the rotation of the two groups of supporting rotating plates drives the second sleeve and the first sleeve to slide relative to each other through the driven groove. At the same time, the second sleeve slides through the second cross plate to drive the second column to slide along the inner wall of the first column. By setting two groups of "X"-shaped rotating supporting rotating plates, the telescopic ladder can be stably deployed and the load-bearing performance of the telescopic ladder can be greatly improved.

[0010] Preferably, two groups of support rotating plates are provided, and the two groups of support rotating plates are distributed in an "X" shape. The second sleeve is provided with six groups. By providing two groups of support rotating plates distributed in an "X" shape, a stable deployment operation of the telescopic ladder can be achieved, thereby greatly improving the load-bearing performance of the telescopic ladder.

[0011] Preferably, the two groups of support rotating plates form a relative rotation structure through an active slider, and the rotation of the bidirectional screw drives the two groups of active sliders to slide relative to each other along the outer wall of the active groove, and the sliding of the two groups of active sliders drives the two groups of support rotating plates to rotate relative to each other.

[0012] Preferably, the second sleeve forms a telescopic structure with the first sleeve through the supporting rotating plate and the active groove, and the second column forms a sliding structure with the first column through the second sleeve. The two sets of supporting rotating plates rotate through the driven groove to drive the second sleeve and the first sleeve to slide relative to each other. At the same time, the second sleeve slides through the second cross plate to drive the second column to slide along the inner wall of the first column.

[0013] Preferably, the adjustment component comprises:

[0014] The adjusting screw is arranged at the bottom end of the first sleeve, and the outer wall of the adjusting screw is threadedly connected with a lifting plate, and one end of the lifting plate is screwed with a connecting plate screwed with the outer wall of the first column. The adjusting screw drives the lifting plate to slide through the thread, and the sliding of the lifting plate drives the two groups of connecting plates to move synchronously, so that the sliding of the lifting plate drives the first column to move through the connecting plate, and the movement of the first column drives the first cross plate to slide along the inner wall of the first sleeve. At the same time, the movement of the first column drives the second cross plate to slide along the inner wall of the second sleeve through the second column, and the adjustment operation of the width of the telescopic ladder is realized through the movement of the first column and the second column.

[0015] Preferably, two groups of connecting plates are provided, and the two groups of connecting plates are symmetrical with respect to the lifting connecting plates. The adjusting screw drives the lifting connecting plates to slide through the threads, and the sliding of the lifting connecting plates drives the two groups of connecting plates to move synchronously, thereby realizing the control operation of the synchronous movement of the two groups of connecting plates.

[0016] Preferably, the first column forms a telescopic structure with the second sleeve through a lifting connecting plate and a connecting plate, and the first cross plate forms a sliding structure with the first column and the first sleeve. The lifting connecting plate slides through the connecting plate to drive the first column to move, and the movement of the first column drives the first cross plate to slide along the inner wall of the first sleeve. At the same time, the movement of the first column drives the second cross plate to slide along the inner wall of the second sleeve through the second column.

[0017] The beneficial effects of the utility model are:

[0018] 1. The adjustable telescopic ladder for the wind turbine set is provided with a supporting rotating plate. The two sets of active sliding blocks slide to drive the two sets of supporting rotating plates to rotate relative to each other. The two sets of supporting rotating plates rotate through the driven grooves to drive the second sleeve and the first sleeve to slide relative to each other. At the same time, the second sleeve slides through the second cross plate to drive the second cylinder column to slide along the inner wall of the first cylinder column. By providing two sets of "X"-shaped rotating supporting rotating plates, the telescopic ladder can be stably deployed and the load-bearing performance of the telescopic ladder can be greatly improved.

[0019] 2. The wind turbine uses an adjustable telescopic ladder, which is provided with a first horizontal plate and a second horizontal plate. The adjusting screw drives the lifting connecting plate to slide through the thread, and the sliding of the lifting connecting plate drives the two sets of connecting plates to move synchronously, so that the sliding of the lifting connecting plate drives the first cylinder to move through the connecting plate, and the movement of the first cylinder drives the first horizontal plate to slide along the inner wall of the first sleeve. At the same time, the movement of the first cylinder drives the second horizontal plate to slide along the inner wall of the second sleeve through the second cylinder, and the width of the telescopic ladder is adjusted by the movement of the first cylinder and the second cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the first column and the second column of the utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the first sleeve and the second sleeve of the utility model;

[0023] Figure 4 This is a schematic structural diagram of the first column connection of the utility model.

[0024] The symbols in the figure are:

[0025] 1. First sleeve; 2. Bidirectional screw; 3. Active slider; 4. Support rotating plate; 5. Active groove; 6. Second sleeve; 7. Driven groove; 8. First horizontal plate; 9. First column; 10. Second column; 11. Second horizontal plate; 12. Adjusting screw; 13. Lifting connecting plate; 14. Connecting plate. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1 - Figure 4 This application is described in further detail.

[0027] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0028] The embodiment of the present application discloses an adjustable telescopic ladder for a wind turbine generator set, comprising:

[0029] A first sleeve 1, the outer wall of the first sleeve 1 is provided with a bidirectional screw 2, the outer wall of the bidirectional screw 2 is threadedly connected with an active slider 3, the outer wall of the active slider 3 is screwed with a support rotating plate 4, an active groove 5 is provided at the connection position between the support rotating plate 4 and the first sleeve 1, a second sleeve 6 is movably connected to the top of the support rotating plate 4, a driven groove 7 is provided at the connection position between the second sleeve 6 and the support rotating plate 4, both ends of the first sleeve 1 are penetrated by a first transverse plate 8, one end of the first transverse plate 8 is fixedly connected with a first cylinder 9, the inner wall of the first cylinder 9 is penetrated by a second cylinder 10, and the outer wall of the second cylinder 10 is fixedly connected with a second transverse plate 11 that penetrates the inside of the second sleeve 6;

[0030] The adjusting component is located at the bottom end of the first sleeve 1 and is used for adjusting the width of the telescopic ladder.

[0031] Based on the above structure, the rotation of the bidirectional screw 2 drives the two groups of active sliders 3 to slide relative to each other along the outer wall of the active groove 5. The sliding of the two groups of active sliders 3 drives the two groups of supporting rotating plates 4 to rotate relative to each other. The two groups of supporting rotating plates 4 rotate through the driven groove 7 and then drive the second sleeve 6 and the first sleeve 1 to slide relative to each other. At the same time, the second sleeve 6 slides through the second cross plate 11 to drive the second column 10 to slide along the inner wall of the first column 9. By setting two groups of "X"-shaped rotating distribution supporting rotating plates 4, the stable deployment operation of the telescopic ladder is achieved, which greatly improves the load-bearing performance of the telescopic ladder.

[0032] In one embodiment, two groups of supporting rotating plates 4 are provided, and the two groups of supporting rotating plates 4 are distributed in an "X" shape, and six groups of the second sleeves 6 are provided.

[0033] In this embodiment, two groups of "X"-shaped rotating support plates 4 are provided to achieve stable deployment of the telescopic ladder, thereby greatly improving the load-bearing performance of the telescopic ladder.

[0034] In one embodiment, two groups of supporting rotating plates 4 form a relative rotating structure through the active slider 3 .

[0035] In this embodiment, the rotation of the bidirectional screw 2 drives the two sets of active sliders 3 to slide relatively along the outer wall of the active groove 5, and the sliding of the two sets of active sliders 3 drives the two sets of supporting rotating plates 4 to rotate relatively.

[0036] In one embodiment, the second sleeve 6 forms a telescopic structure with the first sleeve 1 through the support rotating plate 4 and the active groove 5 , and the second column 10 forms a sliding structure with the first column 9 through the second sleeve 6 .

[0037] In this embodiment, the two groups of supporting rotating plates 4 rotate through the driven grooves 7 to drive the second sleeve 6 to slide relative to the first sleeve 1. At the same time, the second sleeve 6 slides through the second cross plate 11 to drive the second column 10 to slide along the inner wall of the first column 9.

[0038] In one embodiment, the adjustment component includes:

[0039] The adjusting screw 12 is arranged at the bottom end of the first sleeve 1 , the outer wall of the adjusting screw 12 is threadedly connected with a lifting connecting plate 13 , and one end of the lifting connecting plate 13 is screwed with a connecting plate 14 screwed with the outer wall of the first column 9 .

[0040] In this embodiment, the adjusting screw 12 drives the lifting and lowering connecting plate 13 to slide through the thread, and the sliding of the lifting and lowering connecting plate 13 drives the two sets of connecting plates 14 to move synchronously, so that the lifting and lowering connecting plate 13 slides through the connecting plate 14 to drive the first column 9 to move, and the movement of the first column 9 drives the first cross plate 8 to slide along the inner wall of the first sleeve 1. At the same time, the first column 9 moves through the second column 10 to drive the second cross plate 11 to slide along the inner wall of the second sleeve 6. The movement of the first column 9 and the second column 10 realizes the adjustment operation of the width of the telescopic ladder.

[0041] In one embodiment, two groups of connecting plates 14 are provided, and the two groups of connecting plates 14 are symmetrical with respect to the lifting connecting plate 13 .

[0042] In this embodiment, the adjusting screw 12 drives the lifting connecting plate 13 to slide through the thread, and the sliding of the lifting connecting plate 13 drives the two groups of connecting plates 14 to move synchronously, thereby realizing the control operation of the synchronous movement of the two groups of connecting plates 14.

[0043] In one embodiment, the first column 9 forms a telescopic structure with the second sleeve 6 through the lifting connecting plate 13 and the connecting plate 14, and the first cross plate 8 forms a sliding structure with the first column 9 and the first sleeve 1.

[0044] In this embodiment, the lifting connecting plate 13 slides through the connecting plate 14 to drive the first column 9 to move, and the movement of the first column 9 drives the first cross plate 8 to slide along the inner wall of the first sleeve 1. At the same time, the first column 9 moves through the second column 10 to drive the second cross plate 11 to slide along the inner wall of the second sleeve 6.

[0045] When the adjustable telescopic ladder for the wind turbine of this embodiment is in use, first, the telescopic ladder is unfolded according to the height of the wind turbine, and the staff rotates the bidirectional screw 2. The rotation of the bidirectional screw 2 drives the two sets of active sliding blocks 3 to slide relative to each other along the outer wall of the active groove 5. The sliding of the two sets of active sliding blocks 3 drives the two sets of supporting rotating plates 4 to rotate relative to each other. The two sets of supporting rotating plates 4 rotate through the driven groove 7 and then drive the second sleeve 6 and the first sleeve 1 to slide relative to each other. At the same time, the second sleeve 6 slides through the second cross plate 11 to drive the second column 10 to slide along the inner wall of the first column 9. By setting two sets of "X"-shaped rotating supporting rotating plates 4, the telescopic ladder can be stably unfolded, and the load-bearing performance of the telescopic ladder is greatly improved.

[0046] Finally, according to the width of the wind turbine, the width of the telescopic ladder is adjusted. The staff rotates the adjusting screw 12. The adjusting screw 12 drives the lifting connecting plate 13 to slide through the thread. The sliding of the lifting connecting plate 13 drives the two sets of connecting plates 14 to move synchronously, so that the lifting connecting plate 13 slides through the connecting plate 14 to drive the first column 9 to move. The movement of the first column 9 drives the first cross plate 8 to slide along the inner wall of the first sleeve 1. At the same time, the first column 9 moves through the second column 10 to drive the second cross plate 11 to slide along the inner wall of the second sleeve 6. The width of the telescopic ladder is adjusted through the movement of the first column 9 and the second column 10, and then the telescopic ladder is leaned against the outer wall of the wind turbine.

[0047] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An adjustable telescopic ladder for a wind turbine, characterized in that: include: A first sleeve (1), wherein a bidirectional screw (2) is arranged on the outer wall of the first sleeve (1), an active slider (3) is threadedly connected to the outer wall of the bidirectional screw (2), a support rotating plate (4) is screwed to the outer wall of the active slider (3), an active groove (5) is provided at the connection position between the support rotating plate (4) and the first sleeve (1), a second sleeve (6) is movably connected to the top end of the support rotating plate (4), a driven groove (7) is provided at the connection position between the second sleeve (6) and the support rotating plate (4), both ends of the first sleeve (1) are penetrated by a first transverse plate (8), one end of the first transverse plate (8) is fixedly connected to a first cylinder (9), the inner wall of the first cylinder (9) is penetrated by a second cylinder (10), and the outer wall of the second cylinder (10) is fixedly connected to a second transverse plate (11) which penetrates the inside of the second sleeve (6); An adjustment component is located at the bottom end of the first sleeve (1) and is used to adjust the width of the telescopic ladder.

2. The adjustable telescopic ladder for a wind turbine according to claim 1, characterized in that: The supporting rotating plates (4) are provided in two groups, the two groups of supporting rotating plates (4) are distributed in an "X" shape and rotated, and the second sleeves (6) are provided in six groups.

3. The adjustable telescopic ladder for a wind turbine according to claim 1, characterized in that: The two groups of supporting rotating plates (4) form a relative rotating structure through the active sliding block (3).

4. The adjustable telescopic ladder for a wind turbine according to claim 1, characterized in that: The second sleeve (6) forms a telescopic structure with the first sleeve (1) through the support rotating plate (4) and the active groove (5), and the second cylinder column (10) forms a sliding structure with the first cylinder column (9).

5. The adjustable telescopic ladder for a wind turbine according to claim 1, characterized in that: The adjustment component comprises: An adjusting screw (12) is arranged at the bottom end of the first sleeve (1), the outer wall of the adjusting screw (12) is threadedly connected to a lifting connecting plate (13), and one end of the lifting connecting plate (13) is screwed to a connecting plate (14) screwed to the outer wall of the first cylinder (9).

6. The adjustable telescopic ladder for a wind turbine according to claim 5, characterized in that: The connecting plates (14) are provided in two groups, and the two groups of connecting plates (14) are symmetrical with respect to the lifting connecting plate (13).

7. The adjustable telescopic ladder for a wind turbine according to claim 5, characterized in that: The first column (9) forms a telescopic structure with the second sleeve (6) through the lifting connecting plate (13) and the connecting plate (14), and the first transverse plate (8) forms a sliding structure with the first column (9) and the first sleeve (1).

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