Wind turbine generator tower elevator anti-falling protection device and tower elevator

Abstract

The utility model relates to an anti-falling protection device for a tower elevator of a wind turbine generator system and the tower elevator, in particular to the anti-falling protection device for the tower elevator of the wind turbine generator system. The fixing assembly is installed in a tower elevator, the trigger switch is installed on the fixing assembly, the circular ring is connected to the trigger switch and controls the trigger switch to be switched on or switched off, and the trigger switch is used for being connected with an elevator control loop in series. According to the utility model, the technical problem of no application safety effect caused by the phenomenon that the double hooks are not hung at the appointed anchor point at the top of the elevator generally existing in the prior art can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind turbine tower equipment technical field, especially a kind of wind turbine tower elevator anti-falling protection device and tower elevator. BACKGROUND

[0002] With the continuous development of wind power technology and the change of market demand, a flexible tower up to one hundred and forty meters is designed for low wind speed, large capacity and large impeller unit;Because tower is higher, only rely on manual tower climbing not only time-consuming and laborious but also work efficiency is not high.Currently, there are two ways to solve the problem, one is to install a climbing device, which is relatively high in cost, and the other is to install an elevator in the tower.

[0003] Although the tower elevator saves valuable time for wind turbine maintenance and repair personnel and improves work efficiency, the elevator is relatively simple, and during the ascending and descending process of maintenance and repair personnel, high-altitude falling accidents may occur due to elevator failure, elevator overload, unsafe behavior of people, etc.Therefore, the current common measure is to make maintenance and repair personnel wear five-point safety belts and hang double hooks on the top of the elevator with fixed anchor points. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of wind turbine tower elevator anti-falling protection device and tower elevator to the technical problem that the phenomenon that double hook is not hung in the specified anchor point of the top of the elevator by existing operating personnel generally exists, leading to no safety effect.

[0005] The technical solution of the utility model to solve the above technical problem is as follows:

[0006] On the one hand, the utility model provides a kind of wind turbine tower elevator anti-falling protection device, including fixed component installed in tower elevator, trigger switch installed on the fixed component and circular ring connected to the trigger switch and controlling its closing or opening, the trigger switch is used for series connection in elevator control loop.

[0007] The utility model has the beneficial effects that: after operating personnel enter the tower elevator, only when continuously exerting force on the circular ring, so that the trigger switch is in the closed state, can the tower elevator be started, and the elevator can be controlled to rise, as a specific force exertion mode, double hook is hung on the circular ring, and force is directly exerted on the circular ring, thereby improving the phenomenon that double hook is not hung in the specified anchor point of the top of the elevator by existing operating personnel generally exists, leading to no safety effect.

[0008] On the basis of the above technical solution, the utility model can also be improved as follows.

[0009] Furthermore, the trigger switch includes a left touch plate, a right touch plate, a connecting piece and a spring. The left touch plate and the right touch plate are both used to connect to the elevator control circuit, and the connecting piece is connected to the ring. One end of the spring is fixedly connected to the fixed component, and the other end is connected to the connecting piece, so that the trigger switch is closed when the spring is in a stretched state, and the trigger switch is disconnected in a retracted state.

[0010] The beneficial effect of adopting the above further solution is that when the ring directly applies force, the spring is pulled to extend, so that the connecting piece moves and connects to the left touch plate and the right touch plate, the trigger switch is closed, and the elevator runs; when released, the trigger switch is disconnected.

[0011] Furthermore, one end of the connecting member is rotatably connected to the left touch plate, and the other end is closed or disconnected with the right touch plate under the action of the spring, or one end of the connecting member is rotatably connected to the right touch plate, and the other end is closed or disconnected with the left touch plate under the action of the spring.

[0012] The beneficial effect of adopting the above further solution is that the connection member only needs to be closed with the left touch plate or the right touch plate under the action of the spring to achieve the closure of the trigger switch.

[0013] Furthermore, the connecting member is slidably connected to the fixing assembly, and the middle end of the connecting member is connected to the spring, and the two ends are respectively arranged corresponding to the left touch plate and the right touch plate.

[0014] The beneficial effect of adopting the above further solution is that when the spring is stretched, the connecting member is connected to the left touch plate and the right touch plate at the same time.

[0015] Furthermore, the fixing assembly is fixed with two force-bearing plates, and the left touch panel and the right touch panel are respectively installed on the two force-bearing plates.

[0016] The beneficial effect of adopting the above further solution is to ensure the installation stability of the left touch panel and the right touch panel when the connecting member is connected, thereby ensuring the service life.

[0017] Furthermore, the fixing component is provided with an inner cavity, and the trigger switch is installed in the inner cavity.

[0018] The beneficial effect of adopting the above further solution is: the inner cavity is used to protect the trigger switch, reducing the possibility of being destroyed or damaged.

[0019] Furthermore, the fixing component is provided with a wire hole communicating with the inner cavity, and a connecting wire is passed through the wire hole, and two ends of the connecting wire are respectively fixedly connected to the ring and the trigger switch.

[0020] The beneficial effect of adopting the above further solution is that when force is applied to the ring, the force is transmitted to the trigger switch through the connecting line, thereby achieving the closure of the trigger switch.

[0021] Furthermore, a wire groove is formed through the fixing assembly, and the wire groove is used to install wires connected to the trigger switch.

[0022] The beneficial effect of adopting the above further solution is that the wires connected to the trigger switch are combed through the wire trough.

[0023] Furthermore, the fixing assembly includes a base plate detachably connected to the tower elevator and a panel detachably connected to the base plate, and the wire trough is opened at the connection between the base plate and the panel.

[0024] The beneficial effect of adopting the above further solution is that the wires in the wire trough can be disassembled and assembled by separating the bottom plate and the panel.

[0025] On the other hand, the utility model provides a tower elevator, comprising the aforementioned anti-fall protection device for a wind turbine tower elevator. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a cross-sectional view of a first embodiment of the wind turbine tower elevator anti-fall protection device of the present invention;

[0027] Figure 2 This is a partial structural diagram of the second solution of the wind turbine tower elevator anti-fall protection device of the utility model;

[0028] Figure 3 This is an exploded view of the fixing assembly of the wind turbine tower elevator anti-fall protection device of the present invention;

[0029] Figure 4 This is a partial cross-sectional view of the bottom plate of the wind turbine tower elevator anti-fall protection device of the present invention.

[0030] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0031] 1. Fixing assembly; 11. Bottom plate; 111. First screw; 12. Panel; 121. Second screw; 13. Wire duct; 14. Limit plate;

[0032] 2. Trigger switch; 21. Left touch plate; 22. Right touch plate; 23. Connector; 24. Spring;

[0033] 3. Ring; 31. Connecting line;

[0034] 4. Inner cavity; 41. Load-bearing plate;

[0035] 5. Wire hole. DETAILED DESCRIPTION

[0036] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0037] On the one hand, the present invention provides a wind turbine tower elevator anti-fall protection device, as described in detail below.

[0038] Example 1

[0039] like Figure 1 and Figure 2 A wind turbine tower elevator anti-fall protection device includes a fixed component 1 installed in the tower elevator, a trigger switch 2 installed on the fixed component 1, and a ring 3 connected to the trigger switch 2 and controlling its closing or opening. The trigger switch 2 is used to be connected in series with the elevator control circuit.

[0040] The beneficial effect of this embodiment is that after the operator enters the tower elevator, the tower elevator can be started and the ascent of the elevator can be controlled only by continuously applying force to the ring 3 so that the trigger switch 2 is in a closed state. As a specific force application method, the double hooks are hung on the ring 3 and force is directly applied to the ring 3, thereby improving the technical problem that the safety effect of the application is not achieved due to the common phenomenon that the double hooks are not hung at the designated anchor point on the top of the elevator by existing operators.

[0041] Of course, when the operator wears a five-point safety belt to perform related operations, it is stipulated that the double hooks are hung on the ring 3, which can fully ensure that the continuous pressure on the ring 3 is achieved through the double hooks.

[0042] During installation, the fixing assembly 1 is installed at a high point in the tower elevator. This point is at a higher height than the double hooks of the five-point safety belt, so that when the double hooks are hung on the ring 3, a downward pulling force is continuously applied to the ring 3.

[0043] Example 2

[0044] like Figure 1 and Figure 2 Based on Example 1, the trigger switch 2 includes a left touch plate 21, a right touch plate 22, a connecting piece 23 and a spring 24. The left touch plate 21 and the right touch plate 22 are both used to connect to the elevator control circuit, and the connecting piece 23 is connected to the ring 3. One end of the spring 24 is fixedly connected to the fixed component 1, and the other end is connected to the connecting piece 23, so that the trigger switch 2 is closed when the spring 24 is in the stretched state and the trigger switch 2 is opened when it is in the retracted state.

[0045] The beneficial effect of the preferred solution in the above embodiment is that when the ring 3 directly applies force, the pulling spring 24 is elongated, so that the on-off piece 23 moves and is connected to the left contact plate 21 and the right contact plate 22, triggering the switch 2 to be closed, and the elevator runs, and when it is loosened, the switch 2 is disconnected.

[0046] The left contact plate 21, the right contact plate 22 and the on-off piece 23 are all made of copper sheets, and the fixed assembly 1 and the spring 24 are made of non-conductive materials.

[0047] Embodiment 3

[0048] As Figure 1 In the embodiments 1 and 2, one end of the on-off piece 23 is rotatably connected to the left contact plate 21, and the other end is connected to the right contact plate 22 under the action of the spring 24 to realize the closing or opening.

[0049] The beneficial effect of the preferred solution in the above embodiment is that the on-off piece 23 only needs to be closed to the left contact plate 21 or the right contact plate 22 under the action of the spring 24, so as to realize the closing of the trigger switch 2.

[0050] Figure 1 The on-off piece 23 is rotatably connected to the right contact plate 22.

[0051] On the basis of the above embodiment, the ring 3 and the spring 24 are connected to the two sides of the thickness direction of the on-off piece 23.

[0052] Embodiment 4

[0053] As Figure 2 In the embodiments 1-3, the on-off piece 23 is slidably connected to the fixed assembly 1, and the on-off piece 23 is connected to the spring 24 at the middle end, and the two ends are respectively arranged corresponding to the left contact plate 21 and the right contact plate 22.

[0054] The beneficial effect of the preferred solution in the above embodiment is that when the spring 24 is elongated, the on-off piece 23 simultaneously realizes the connection to the left contact plate 21 and the right contact plate 22.

[0055] That is, in the embodiment of the utility model, the on-off piece 23 is in the shape of a downwardly opening "U", the closed end is the middle end, and the ring 3 and the spring 24 are respectively connected to the two sides of the thickness direction of the middle end of the on-off piece 23, and the two arms of the open end are bent towards the left contact plate 21 and the right contact plate 22.

[0056] Based on the above embodiment, two limit plates 14 are provided on the fixed assembly 1, and the two arms of the connecting member 23 are clamped and limited between the two limit plates 14, and are respectively slidably connected to the two limit plates 14 to ensure that under the indirect pulling of the ring 3, the connecting member 23 will not deviate from the direction of the left touch plate 21 and the right touch plate 22.

[0057] Example 5

[0058] like Figure 1 On the basis of embodiments 1-4, the fixing assembly 1 is fixed with two force-bearing plates 41 , and the left touch panel 21 and the right touch panel 22 are respectively installed on the two force-bearing plates 41 .

[0059] The beneficial effect of adopting the preferred solution in the above embodiment is to ensure the installation stability of the left touch panel 21 and the right touch panel 22 when the connecting member 23 is connected, thereby ensuring the service life.

[0060] The two force-bearing plates 41 are both made of non-conductive material, such as rubber.

[0061] Example 6

[0062] like Figure 1 、 Figure 3 as well as Figure 4 On the basis of embodiments 1-5, the fixing component 1 is provided with an inner cavity 4, and the trigger switch 2 is installed in the inner cavity 4.

[0063] The beneficial effect of adopting the preferred solution in the above embodiment is that the inner cavity 4 is used to protect the trigger switch 2, thereby reducing the possibility of being destroyed or damaged.

[0064] On the basis of the above embodiment, the two force-bearing plates 41 are fixedly connected to the inner wall of the inner cavity 4 .

[0065] Example 7

[0066] like Figure 1 and Figure 3 On the basis of Examples 1-6, the fixing component 1 is provided with a wire hole 5 connected to the inner cavity 4, and the wire hole 5 is passed through a connecting wire 31, and the two ends of the connecting wire 31 are fixedly connected to the ring 3 and the trigger switch 2 respectively.

[0067] The beneficial effect of adopting the preferred solution in the above embodiment is that when force is applied to the ring 3 , the force is transmitted to the trigger switch 2 through the connecting line 31 , thereby achieving the closure of the trigger switch 2 .

[0068] The connecting wire 31 is made of non-conductive material, and can be made of rubber.

[0069] By using the connecting line 31, its length can be changed according to actual use, thereby adjusting the use height of the ring 3.

[0070] Example 8

[0071] like Figure 1 and Figure 3 On the basis of embodiments 1-7, a wire groove 13 is provided through the fixing component 1, and the wire groove 13 is used to install the wires connected to the trigger switch 2.

[0072] The electric wire is connected in series with the elevator control circuit.

[0073] The beneficial effect of adopting the preferred solution in the above embodiment is that the wires connected to the trigger switch 2 are combed through the wire groove 13 .

[0074] As a parallel solution of the above embodiment, the trigger switch 2 can also directly achieve wireless connection with the elevator control circuit through electrical signals.

[0075] Example 9

[0076] like Figure 1 、 Figure 3 as well as Figure 4 Based on Examples 1-8, the fixing assembly 1 includes a base plate 11 detachably connected to the tower elevator and a panel 12 detachably connected to the base plate 11 , and a wire trough 13 is opened at the connection between the base plate 11 and the panel 12 .

[0077] The beneficial effect of adopting the preferred solution in the above embodiment is that the wires in the wire duct 13 can be installed and removed by separating the bottom plate 11 and the panel 12 .

[0078] The bottom plate 11 is connected to the tower elevator by a plurality of first screws 111. Countersunk holes are provided on the bottom plate 11 to facilitate installation of the first screws 111, so that the bottom plate 11 and the panel 12 are installed in contact with each other.

[0079] The panel 12 is connected to the tower elevator via a plurality of second screws 121 .

[0080] Based on the above embodiment, the inner cavity 4 is simultaneously opened on the bottom plate 11 and / or the panel 12 , and the wire hole 5 is opened through the side of the panel 12 facing away from the bottom plate 11 .

[0081] On the other hand, the present invention provides a tower elevator, which is described in detail below.

[0082] Example 10

[0083] A tower elevator includes a wind turbine tower elevator anti-fall protection device as described in Examples 1-9, wherein the fixing component 1 of the wind turbine tower elevator anti-fall protection device is installed inside the tower elevator so that the double hooks of the workers entering the elevator are hung on the ring 3.

[0084] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0085] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0086] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0087] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0088] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0089] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A wind turbine tower elevator anti-fall protection device, characterized in that: The invention comprises a fixed component (1) installed in a tower elevator, a trigger switch (2) installed on the fixed component (1), and a ring (3) connected to the trigger switch (2) and controlling the closing or opening of the trigger switch (2), wherein the trigger switch (2) is used to be connected in series with an elevator control circuit. The fixed component (1) is installed at a high point in the tower elevator, and the point is located at a higher height relative to the double hooks of the five-point safety belt, so that when the double hooks are hung on the ring (3), a downward pulling force is continuously applied to the ring (3).

2. The wind turbine tower elevator anti-fall protection device according to claim 1, characterized in that: The trigger switch (2) comprises a left touch plate (21), a right touch plate (22), a connecting piece (23) and a spring (24). The left touch plate (21) and the right touch plate (22) are both used to be connected to an elevator control circuit, and the connecting piece (23) is connected to a ring (3). One end of the spring (24) is fixedly connected to the fixed component (1), and the other end is connected to the connecting piece (23), so that the trigger switch (2) is closed when the spring (24) is in a stretched state, and the trigger switch (2) is opened when the spring (24) is in a retracted state.

3. The wind turbine tower elevator anti-fall protection device according to claim 2, characterized in that: One end of the connecting member (23) is rotatably connected to the left touch plate (21), and the other end is closed or disconnected with the right touch plate (22) under the action of the spring (24); or one end of the connecting member (23) is rotatably connected to the right touch plate (22), and the other end is closed or disconnected with the left touch plate (21) under the action of the spring (24).

4. The wind turbine tower elevator anti-fall protection device according to claim 2, characterized in that: The connecting member (23) is slidably connected to the fixed assembly (1), and the middle end of the connecting member (23) is connected to the spring (24), and the two ends are respectively arranged corresponding to the left touch plate (21) and the right touch plate (22).

5. The wind turbine tower elevator anti-fall protection device according to claim 2, characterized in that: The fixing assembly (1) is fixed with two force-bearing plates (41), and the left touch plate (21) and the right touch plate (22) are respectively mounted on the two force-bearing plates (41).

6. A wind turbine tower elevator anti-fall protection device according to any one of claims 1 to 5, characterized in that: The fixing component (1) is provided with an inner cavity (4), and the trigger switch (2) is installed in the inner cavity (4).

7. A wind turbine tower elevator anti-fall protection device according to claim 6, characterized in that: The fixing assembly (1) is provided with a wire hole (5) communicating with the inner cavity (4), and a connecting wire (31) is passed through the wire hole (5), with both ends of the connecting wire (31) being fixedly connected to the ring (3) and the trigger switch (2), respectively.

8. A wind turbine tower elevator anti-fall protection device according to any one of claims 1 to 5, characterized in that: The fixing assembly (1) is provided with a wire groove (13) extending therethrough, and the wire groove (13) is used for installing wires connected to the trigger switch (2).

9. The wind turbine tower elevator anti-fall protection device according to claim 8, characterized in that: The fixing assembly (1) comprises a base plate (11) detachably connected to the tower elevator and a panel (12) detachably connected to the base plate (11), and the wire duct (13) is opened at the connection between the base plate (11) and the panel (12).

10. A tower elevator, characterized in that: It comprises a wind turbine tower elevator anti-fall protection device as described in any one of claims 1 to 9.

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