A sliding lock and a water replenishing device for a wind turbine generator system

Abstract

This utility model discloses a sliding lock and a water replenishment device for wind turbine generator sets, including a plate body. A first protrusion is located in the middle of one side of the plate body, and the first protrusion has a cavity inside. A rectangular channel is provided at the end of the first protrusion, and a sliding tongue is installed in the cavity. One end of the sliding tongue extends out of the rectangular channel, and a limiting plate is provided at the other end. An inclined surface is provided on the upper side of the end of the sliding tongue extending out of the rectangular channel. A support is installed in the middle of the other side of the plate body, and a hanging hole is provided on the support. A spring is also installed in the cavity, with its two ends abutting against the limiting plate and the support, respectively. Second protrusions are also provided at the upper and lower ends of the plate body located on the side of the first protrusion. A positioning hole that penetrates the plate body is provided in the middle of the second protrusion, and a T-shaped rod is rotatably installed in the positioning hole. This utility model uses a sliding lock structure, which allows for locking with the guide rail when the water tank is being lifted by rope traction and a rest is required.

Description

Technical Field

[0001] This utility model relates to the technical field of wind turbine maintenance tools, and in particular to a sliding lock and a water replenishment device for wind turbine generator sets. Background Technology

[0002] After a certain period of operation, the water-cooling system of a wind turbine needs to be replenished or replaced with coolant. When replacing the coolant, the coolant in the tank needs to be transported from the ground to the nacelle at the top of the turbine. Although a non-climbing device is installed inside the wind turbine tower, the coolant can only be transferred to the cable twisting platform of the turbine generator via this device. From the cable twisting platform to the nacelle, there is a height of over ten meters, which can only be climbed using a ladder, and the climbing space is relatively narrow. Because the coolant tanks are large in diameter and heavy, it is difficult to lift the coolant to the nacelle by climbing with one hand and carrying it with the other. If a person first climbs into the nacelle and then uses ropes to lift the coolant, the large diameter of the tanks could cause the coolant to slosh and collide, posing a risk of leakage. Secondly, due to the height and weight of the coolant, the person cannot rest while the coolant is in mid-air; the coolant must be lifted into the nacelle in one go, making the labor intensity very high. Furthermore, after the coolant is lifted into the engine compartment, a separate water pump is required to pump the coolant into the water-cooling system, which is inconvenient. Therefore, we propose the water replenishment device of this application, and also propose a sliding lock for the water replenishment device. Utility Model Content

[0003] The technical problem to be solved by this utility model is to address the problems existing in the background art and provide a sliding lock that is used to slide and connect with the original guide rail inside the tower, and can form a one-way locking structure with the guide rail.

[0004] Another technical problem to be solved by this utility model is to provide a water replenishment device for wind turbine generator sets. Due to the adoption of a sliding lock structure, when the water tank is lifted by rope traction, if a rest is required, the sliding lock can lock with the guide rail.

[0005] The purpose of this utility model is achieved as follows: A sliding latch includes a plate body. A first protrusion is provided in the middle of one side of the plate body. The first protrusion has a cavity inside. A rectangular channel is provided at the end of the first protrusion. A sliding tongue is installed in the cavity. One end of the sliding tongue extends out of the rectangular channel, and a limiting plate is provided at the other end. An inclined surface is provided at the end of the sliding tongue extending out of the rectangular channel. A support is installed in the middle of the other side of the plate body. A hanging hole is provided on the support. A spring is also installed in the cavity. The two ends of the spring abut against the limiting plate and the support, respectively. A second protrusion is provided at the upper and lower ends of the plate body located on the side of the first protrusion. A positioning hole that penetrates the plate body is provided in the middle of the second protrusion. A T-shaped rod is rotatably installed in the positioning hole. The T-shaped rod includes a horizontal rod and a vertical rod. The vertical rod is vertically fixed to the middle of the horizontal rod. An external thread is provided on the vertical rod. A nut is installed after the vertical rod passes through the positioning hole.

[0006] A mounting plate is fixedly connected to one end of the support that is connected to the plate body. The mounting plate is fixedly connected to the plate body by screws.

[0007] The end of the second boss is provided with a groove in the lateral direction, which is used to limit the crossbar.

[0008] The nut is a hand-tightening nut.

[0009] The crossbar is also rotatably mounted with first rollers at both ends.

[0010] The plate body is provided with through holes on both sides of the second boss, and a second roller is rotatably installed in each through hole through a pin.

[0011] A water supply device for a wind turbine generator set includes a water tank and the aforementioned sliding lock. The water tank has an inlet on one side of its top and a drain outlet at the lower end of its side. A valve is installed on the drain outlet. A lifting ring is fixed in the middle of the top of the water tank, and an extension seat is fixed in the side of the water tank. The support of the sliding lock is connected to the extension seat through a suspension hole.

[0012] The protruding seat is connected to the support of the sliding lock via a safety hook.

[0013] A partition is provided on the lower side of the water tank, and an equipment compartment is formed on the lower side of the partition. A water pump is installed in the equipment compartment. The water pump inlet is connected to and through the partition, and the water pump inlet is connected to the drain pipe.

[0014] The equipment compartment is also equipped with a storage battery, which is electrically connected to the water pump.

[0015] The features of this utility model using the above-mentioned technical solution are: 1. The first and second protrusions of this utility model are used to extend into the guide rail. The sliding tongue can elastically extend and retract under the action of the spring. Since the upper side of the end of the sliding tongue that extends out of the rectangular channel is provided with an inclined surface, when the plate is pulled upward, the sliding tongue can retract into the cavity. When the plate moves downward, the sliding tongue extends under the action of the spring, thereby locking into the rectangular holes evenly distributed along the length direction on the guide rail, thus locking the plate. When the T-shaped rod installed on the second protrusion extends into the guide rail, the crossbar of the T-shaped rod rotates to the longitudinal state, so that the crossbar can extend into the guide rail. After the crossbar extends into the guide rail, the longitudinal rod is rotated to make the crossbar in the transverse state shown in the figure. At this time, the two ends of the crossbar are limited inside the guide rail, and the plate will disengage from the guide rail. Through the above structure, the sliding lock can slide and connect with the original guide rail inside the tower, forming a one-way locking structure with the guide rail. When the water tank is being lifted up by rope, if a break is needed, the sliding lock can be used to lock the guide rail, allowing personnel to take a short rest.

[0016] 2. This utility model also proposes a water replenishment device for wind turbine generator sets. A cover is screwed onto the water inlet, which is used to inject coolant into the water tank. The drain outlet is used to discharge the coolant from the water tank. A lifting ring is used to connect with a rope to lift the water tank. An extension seat is fixed on the side of the water tank. The extension seat has a hole. The hole on the extension seat and the suspension hole on the sliding lock can be hinged by a pin or bolt.

[0017] 3. To facilitate the filling of coolant into the water tank, this utility model includes a partition on the lower side of the water tank, forming an equipment compartment below the partition. A water pump is installed within the equipment compartment, with its inlet connected and communicating with the partition and the drain pipe. A battery is also installed within the equipment compartment, electrically connected to the water pump, providing power for greater convenience. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0019] Figure 1 This is a schematic diagram of the main structure of the water replenishment device of this utility model.

[0020] Figure 2 This is a side view of the water replenishment device of this utility model.

[0021] Figure 3 This is a schematic diagram of the main structure of the sliding latch in this utility model.

[0022] Figure 4 This is a top view of the sliding latch structure in this utility model.

[0023] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure of BB.

[0024] Figure 6 This is a side view of the structure of the first boss and the second boss provided on the plate body of this utility model.

[0025] Figure 7 for Figure 4 Schematic diagram of the CC cross-section structure.

[0026] Figure 8 for Figure 3 A schematic diagram of the cross-sectional structure of AA, in which the T-shaped rod is in the extended state.

[0027] Figure 9 for Figure 3 A schematic diagram of the cross-sectional structure of AA, in which the T-shaped rod is confined within the groove.

[0028] Figure 10 This is a top view of the sliding lock of this utility model in use.

[0029] Figure 11 This is a cross-sectional view of the sliding lock of this utility model in use.

[0030] Figure label: Water tank 10, water inlet 11, drain pipe 12, valve 13, lifting ring 14, handle 15, extension seat 16, safety hook 17, partition 18, equipment compartment 19; Sliding latch 20, plate 21, through hole 211, pin 212, second roller 213, first boss 22, cavity 221, rectangular channel 222, sliding tongue 23, inclined surface 231, limiting plate 232, spring 24, plate support 25, suspension hole 251, mounting plate 252, second boss 26, groove 261, positioning hole 262, T-shaped rod 27, crossbar 271, vertical rod 272, first roller 273, nut 28; Water pump 30, storage battery 40, charging port 41, rope 50, guide rail 60, rectangular hole 61. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0033] Example 1: See Figure 3-11 A sliding latch 20 includes a plate 21. A first protrusion 22 is provided in the middle of one side of the plate 21. The first protrusion 22 has a cavity 221 inside. A rectangular channel 222 is provided at the end of the first protrusion 22. A sliding tongue 23 is installed in the cavity 221. One end of the sliding tongue 23 extends out of the rectangular channel 222, and a limit plate 232 is provided at the other end. An inclined surface 231 is provided on the upper side of the end of the sliding tongue 23 extending out of the rectangular channel 222. A support 25 is installed in the middle of the other side of the plate 21. A hanging hole 251 is provided on the support 25. The cavity 221 also contains... A spring 24 is installed, with its two ends abutting against a limiting plate 232 and a support 25, respectively. The plate 21 is also provided with a second boss 26 at its upper and lower ends on the side of the first boss 22. The second boss 26 has a positioning hole 262 in the middle that passes through the plate 21. A T-shaped rod 27 is rotatably installed in the positioning hole 262. The T-shaped rod 27 includes a horizontal rod 271 and a vertical rod 272. The vertical rod 272 is vertically fixed to the middle of the horizontal rod 271. The vertical rod 272 has an external thread. After the vertical rod 272 passes through the positioning hole 262, a nut 28 is installed.

[0034] See Figure 10 , 11 The existing tower has a ladder with a longitudinal guide rail 60 fixedly installed on it. The guide rail 60 is C-shaped and the bottom wall of the guide rail 60 has rectangular holes 61 spaced at intervals along the length direction.

[0035] The first boss 22 and the second boss 26 of this utility model are used to extend into the guide rail 60. The sliding tongue 23 can elastically extend and retract under the action of the spring 24. Since the upper side of the end of the rectangular sliding tongue 23 that extends out of the rectangular channel 222 is provided with a slope 231, when the plate 21 is pulled upward, the sliding tongue 23 can retract into the cavity 221. When the plate 21 moves downward, the sliding tongue 23 extends under the action of the spring 24, thereby locking into the rectangular holes 61 evenly distributed along the length direction on the guide rail 60, thereby locking the plate 21. When the second boss 26 extends into the guide rail 60, the crossbar 271 of the T-shaped rod 27 rotates to the longitudinal state, so that the crossbar 271 can extend into the guide rail 60. After the crossbar 271 extends into the guide rail 60, the longitudinal rod 272 is rotated to make the crossbar 271 in the longitudinal state. Figure 9 , 10 In the horizontal position shown, the two ends of the crossbar 271 are limited within the guide rail 60, and the plate 21 will detach from the guide rail 60.

[0036] Through the above structure, the sliding lock 20 can slide and connect with the original guide rail 60 inside the tower, forming a one-way locking structure with the guide rail 60. When the water tank 10 is being pulled up by the rope 50, if a rest is needed, the sliding lock 20 can be locked to the guide rail 60, allowing personnel to take a short break.

[0037] See Figure 5 A mounting plate 252 is fixedly connected to one end of the support 25 that is connected to the plate 21. The mounting plate 252 is fixedly connected to the plate 21 by multiple screws. This structure facilitates the installation of the sliding tongue 23 and the spring 24.

[0038] Further, see Figure 6 The end of the second boss 26 is provided with a transverse groove 261, which is used to limit the crossbar 271, thereby preventing the crossbar 271 from rotating in the transverse state. See also Figure 8 At this time, the crossbar 271 of the T-shaped rod extends out of the groove 261, see [reference]. Figure 9 At this point, the crossbar 271 of the T-shaped rod fits into the groove 261, and after tightening the nut 28, the crossbar 271 will not rotate.

[0039] In this embodiment, nut 28 is a hand-tightening nut.

[0040] See Figure 8 The crossbar 271 is also equipped with first rollers 273 at both ends, which improves the flexibility of the sliding lock 20. In this embodiment, the first rollers 273 can be bearings.

[0041] Further, see Figure 7 , 8 The plate 21 also has through holes 211 on both sides of the second boss 26. A second roller 213 is rotatably mounted in each through hole 211 via a pin 212, further improving the flexibility of the sliding lock 20. In this embodiment, the second roller 213 can be a bearing.

[0042] Example 2: Based on Example 1, see Figure 1 , 2This utility model also proposes a water replenishment device for wind turbine generator sets, including a water tank 10 and a sliding lock 20. A water inlet 11 is provided on one side of the top of the water tank 10, and a drain pipe 12 is provided at the lower end of the side of the water tank 10. A valve 13 is installed on the drain pipe 12. A lifting ring 14 is fixed in the middle of the top of the water tank 10. An extension seat 16 is also fixed in the side of the water tank 10. The support 25 of the sliding lock 20 is connected to the extension seat 16 through a hanging hole 251.

[0043] A cap is screwed onto the inlet 11, which is used to inject coolant into the water tank 10. The drain port 12 is used to drain the coolant from the water tank 10. The lifting ring 14 is used to connect to the rope 50 to lift the water tank 10. An extension seat 16 is fixed on the side of the water tank 10. The extension seat 16 has a hole. The hole on the extension seat 16 and the suspension hole 251 on the sliding lock 20 can be hinged by a pin or bolt.

[0044] Further, see below. Figure 1 , 2 The extendable seat 16 is connected to the support 25 of the sliding lock 20 via a safety hook 17. Specifically, the safety hook 17 passes through the suspension hole 251 and has a hole on the extendable seat 16 for easy installation. The safety hook 17 is a pre-purchased product.

[0045] See Figure 1 , 2 To facilitate the transport of the water tank 10, handles 15 are fixed on both sides of the water tank.

[0046] Example 3: Based on Example 2, to facilitate the filling of coolant into the water tank 10, see [reference needed]. Figure 1 A partition 18 is provided on the lower side of the water tank 10, forming an equipment compartment 19 below the partition 18. A water pump 30 is installed in the equipment compartment 19. The inlet of the water pump 30 is connected to and passes through the partition 18, and the inlet of the water pump 30 is connected to the drain pipe 12. In this design, the water pump 30 can be powered by an external power source.

[0047] Furthermore, a storage battery 40 is also installed inside the equipment compartment 19. The storage battery 40 is electrically connected to the water pump 30, and is powered by the storage battery, making it more convenient to use. See [link to relevant documentation]. Figure 1 The outer wall of the equipment compartment 19 is also equipped with a charging port 41 and a switch. The charging port 41 is used to charge the battery 40, and the switch is used to connect or disconnect the circuit between the battery 40 and the water pump 30.

[0048] Specifically, the water pump 30 is a 12V water pump, and the battery 40 is a 12V-10AH lithium battery.

[0049] The working principle or working process of this utility model: When using, please refer to Figure 2 After the water tank 10 is transferred to the cable twisting platform, the sliding lock 20 is installed on the guide rail 60. Then, the extension seat 16 is connected to the support 25 of the sliding lock 20 through the safety hook 17. One end of the rope 50 is connected to the lifting ring 14. Then, the personnel carry the other end of the rope 50 and climb into the cabin. Inside the cabin, they pull the rope 50 up, and the water tank 10 moves up. At the same time, the sliding lock 20 slides upward. When it is time to rest, the lower rope 50 and the sliding lock 20 move downward. The sliding tongue 23 extends under the action of the spring 24 and gets into the rectangular holes 61 that are evenly distributed along the length of the guide rail 60, thereby suspending the water tank 10 on the guide rail 60.

[0050] While specific embodiments of the present invention have been described above, those skilled in the art should understand that the specific embodiments described are merely illustrative and not intended to limit the scope of the present invention. Any modifications and variations made by those skilled in the art in accordance with the spirit of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A sliding latch (20), characterized in that: The plate (21) includes a plate body (21), a first boss (22) is provided in the middle of one side of the plate body (21), the first boss (22) has a cavity (221) inside, a rectangular channel (222) is provided at the end of the first boss (22), a sliding tongue (23) is installed in the cavity (221), one end of the sliding tongue (23) extends out of the rectangular channel (222), and a limit plate (232) is provided at the other end. An inclined surface (231) is provided on the upper side of the end of the sliding tongue (23) extending out of the rectangular channel (222), a support (25) is installed in the middle of the other side of the plate body (21), a hanging hole (251) is provided on the support (25), and a spring (24) is also installed in the cavity (221). The two ends of the spring (24) abut against the limit plate (232) and the support (25) respectively. The plate (21) is provided with a second boss (26) at the upper and lower ends on the side of the first boss (22). The second boss (26) has a positioning hole (262) that passes through the plate (21) in the middle. A T-shaped rod (27) is rotatably installed in the positioning hole (262). The T-shaped rod (27) includes a cross rod (271) and a vertical rod (272). The vertical rod (272) is vertically fixed to the middle of the cross rod (271). The vertical rod (272) has an external thread. After the vertical rod (272) passes through the positioning hole (262), a nut (28) is installed.

2. The sliding latch (20) according to claim 1, characterized in that: The support (25) is connected to the plate (21) at one end, and the mounting plate (252) is fixedly connected to the plate (21) by screws.

3. The sliding latch (20) according to claim 1, characterized in that: The end of the second boss (26) is provided with a groove (261) in the transverse direction, which is used to limit the crossbar (271).

4. A sliding latch (20) according to claim 1 or 3, characterized in that: The nut (28) is a hand-tightening nut.

5. A sliding latch (20) according to claim 1, characterized in that: The two ends of the crossbar (271) are respectively rotatably mounted with first rollers (273).

6. A sliding latch (20) according to claim 1 or 5, characterized in that: The plate (21) is provided with through holes (211) on both sides of the second boss (26), and a second roller (213) is rotatably installed in each through hole (211) through a pin (212).

7. A water supply device for a wind turbine generator set, comprising a water tank (10), characterized in that, It also includes the sliding latch (20) as described in claim 1, wherein a water inlet (11) is provided on one side of the top of the water tank (10), a drain pipe (12) is provided at the lower end of the side of the water tank (10), a valve (13) is installed on the drain pipe (12), a lifting ring (14) is fixedly provided in the middle of the top of the water tank (10), and an extension seat (16) is also fixedly provided on the side of the water tank (10). The support (25) of the sliding latch (20) is connected to the extension seat (16) through the suspension hole (251).

8. A water supply device for a wind turbine generator set according to claim 7, characterized in that: The extension seat (16) is connected to the support (25) of the sliding lock (20) via a safety hook (17).

9. A water supply device for a wind turbine generator set according to claim 7, characterized in that: A partition (18) is provided on the lower side of the water tank (10). The water tank (10) forms an equipment compartment (19) on the lower side of the partition (18). A water pump (30) is installed in the equipment compartment (19). The inlet of the water pump (30) is connected to and through the partition (18). The inlet of the water pump (30) is connected to the drain pipe (12).

10. A water supply device for a wind turbine generator set according to claim 9, characterized in that: The equipment compartment (19) is also equipped with a storage battery (40), which is electrically connected to the water pump (30).

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