Box cover of large wind power gear box

Abstract

The utility model relates to the technical field of gear boxes, and discloses a large wind power gear box cover which comprises a cover body, the left side and the right side of the cover body are both fixedly connected with connecting pieces, the outer portion of the cover body is fixedly connected with a limiting assembly for positioning in the installation process, and the tops of the connecting pieces are fixedly connected with an installation plate. A plurality of sliding grooves are formed in the mounting plates, sliding blocks are slidably connected into the sliding grooves, clamping blocks are fixedly connected to the sides, close to each other, of every two sliding blocks, elastic assemblies for jacking the clamping blocks are arranged in the mounting plates, and first connecting rings are slidably connected to the sides, close to each other, of the two mounting plates. The left side and the right side of the first connecting ring are each provided with two clamping grooves. According to the utility model, the spring I generates elastic force to eject the clamping block, and then the clamping block is clamped with the clamping groove, so that mounting and positioning are carried out, the mounting position and direction can be accurately determined, and manual confirmation is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a large wind power gear box cover. Background Art

[0002] The wind turbine gearbox is an important mechanical component in a wind turbine generator set. Its main function is to transmit the power generated by the wind wheel under the action of wind to the generator and make it obtain the corresponding speed. The gearbox seals the gear assembly through the cooperation between the box cover, but gaps are prone to occur between the gearbox cover and the gearbox body, making the sealing effect generally poor. At the same time, since this mechanical transmission will generate a lot of noise during operation, it is not easy to reduce noise, which reduces the service life of the gearbox cover.

[0003] Chinese patent CN218523017U discloses a large wind power gearbox cover, including a cover body, the lower surface of the cover body is fixedly connected with a rubber sealing pad, the upper surface of the inner wall of the rubber sealing pad is fixedly connected with a plurality of flexible strips, the outer surface of the flexible strip is sleeved with a spring, one end of the plurality of flexible strips is fixedly connected with the same flexible pad, and the lower surface of the flexible pad is fixedly connected with a silencer. The large wind power gearbox cover, by providing a rubber sealing pad, a flexible strip, a spring, a silencer and a flexible pad, enables the device to seal the gap between the cover body and the gearbox, so that the contact between the rubber sealing pad and the cover body and the gearbox body is closer, so that the sealing effect is better, and the rubber sealing pad and the silencer can not only isolate noise, but also reduce the mechanical wear of the gearbox, effectively reduce noise pollution, and ensure the service life of the cover body.

[0004] The above patent mentioned that "by arranging rubber sealing pads, flexible strips, springs, silencers and flexible pads, the device can seal the gap between the cover body and the gear box, so that the rubber sealing pad is in closer contact with the cover body and the gear box body, so that the sealing effect is better, and the rubber sealing pads and silencers can not only isolate the noise, but also reduce the mechanical wear of the gear box, effectively reduce noise pollution, and ensure the service life of the cover body", but in the actual use process, during installation, it is difficult to achieve the required precise position and direction, and manual confirmation is required. Therefore, in response to the above problems, a large wind power gearbox cover is proposed. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies in the prior art and to provide a large wind turbine gearbox cover, which realizes a positioning function during installation by engaging a card block with a card slot, thereby solving the problem in the prior art that it is difficult to achieve the precise position and direction of installation during installation and requires manual confirmation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large wind power gearbox cover, comprising a cover, the left and right sides of the cover are fixedly connected with connecting plates, the outside of the cover is fixedly connected with a limit component for positioning during installation, the top of the connecting plate is fixedly connected with a mounting plate, the inside of the mounting plate begins to have a plurality of slide grooves, the inside of the slide groove is slidably connected with a slider, the adjacent sides of every two sliders are fixedly connected with a clamping block, the inside of the mounting plate is provided with an elastic component for pushing the clamping block, the adjacent sides of the two mounting plates are slidably connected with a connecting ring 1, the left and right sides of the connecting ring 1 are provided with two clamping grooves, the top of the connecting ring 1 is provided with a plurality of fixing grooves 1, and the top of the cover is provided with a plurality of fixing grooves 2.

[0007] As a further description of the above technical solution:

[0008] The limiting assembly includes two positioning plates, and adjacent sides of the two positioning plates are respectively fixedly connected to the front and rear sides of the cover.

[0009] As a further description of the above technical solution:

[0010] The elastic component comprises two telescopic rods, the outside of the telescopic rods is fixedly connected to the inside of the mounting plate, and the outside of the telescopic rods is sleeved with a spring 1.

[0011] As a further description of the above technical solution:

[0012] The interior of the connecting ring 1 is fixedly connected with a top ring, the interior of the cover is fixedly connected with a support block, the top of the support block is fixedly connected with a plurality of sleeves, a spring 2 is provided inside the sleeve, a cylindrical sleeve is slidably connected inside the sleeve, the tops of the plurality of cylindrical sleeves are fixedly connected with connecting ring 2, and the top of the connecting ring 2 is fixedly connected with a sealing ring.

[0013] As a further description of the above technical solution:

[0014] The outside of the sliding block is slidably connected to the inside of the mounting plate, and the outside of the clamping block is clamped with the inside of the clamping slot.

[0015] As a further description of the above technical solution:

[0016] The sealing ring is made of rubber, and the top of the sealing ring contacts the bottom of the top ring.

[0017] As a further description of the above technical solution:

[0018] One side of the second spring is fixedly connected to the inside of the sleeve, and the other side of the second spring is fixedly connected to the inside of the cylindrical sleeve.

[0019] As a further description of the above technical solution:

[0020] The outer portion of the sealing ring is slidably connected to the inner portion of the connecting ring 1, and the outer portion of the sealing ring is slidably connected to the inner portion of the cover.

[0021] The beneficial effects of the utility model are:

[0022] (1) In the present invention, the telescopic rod generates elastic force to push the card block, so that the card block cooperates with the slider to slide inside the mounting plate, and then the card block is engaged with the card slot, and then the installation is positioned, and then the position and direction of the installation can be accurately determined without manual confirmation.

[0023] (2) In the present invention, the sleeve cooperates with the spring 2 and the cylindrical sleeve to push the connecting ring 2, so that the connecting ring 2 can simultaneously drive the sealing ring and the top ring inside the connecting ring 1 to perform pushing and sealing when pushing. At the same time, the sealing ring is made of rubber material, which can effectively prevent liquid, gas or powder from leaking from the mechanical connection.

[0024] In summary, the utility model has the advantage of being able to accurately install the position and direction without the need for manual confirmation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the top ring structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the positioning plate of the utility model;

[0028] Figure 4 This is a schematic diagram of the card block structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the support block structure of the utility model;

[0030] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0031] 1. Cover; 2. Connecting piece; 3. Positioning plate; 4. Mounting plate; 5. Slide groove; 6. Slider; 7. Block; 8. Telescopic rod; 9. Spring 1; 10. Connecting ring 1; 11. Slot; 12. Fixed groove 1; 13. Fixed groove 2; 14. Top ring; 15. Support block; 16. Sleeve; 17. Spring 2; 18. Cylinder sleeve; 19. Connecting ring 2; 20. Sealing ring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] In the description of the present utility model, 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" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0034] Embodiment 1

[0035] like Figure 1 and Figure 2 , Figure 4As shown, this embodiment provides a large wind power gear box cover, including a cover 1, which is a component installed on the outside of the wind power gear box cover, used to cover and protect internal mechanical components, and the left and right sides of the cover 1 are fixedly connected with connecting pieces 2, which not only provide structural strength, but also help to position during installation, and the outside of the cover 1 is fixedly connected with a limiting component for positioning during installation, and the limiting component includes two positioning plates 3, which play a positioning role during the installation process to ensure that the cover 1 is accurately installed on the gear box, and the adjacent sides of the two positioning plates 3 are respectively fixed Connected to the front and rear sides of the cover 1, the top of the connecting piece 2 is fixedly connected with a mounting plate 4, and a plurality of slide grooves 5 are provided inside the mounting plate 4. The mounting plate 4 is used to cooperate with the slide grooves 5 so that the slider 6 can slide inside the mounting plate 4. The slider 6 is slidably connected inside the slide groove 5. The clamping block 7 is used to fix the clamping block 7. The outside of the slider 6 is slidably connected to the inside of the mounting plate 4. The outside of the clamping block 7 is engaged with the inside of the clamping groove 11. The adjacent sides of every two sliders 6 are fixedly connected with the clamping block 7. The clamping block 7 is used to engage with the clamping groove 11, so that the cover 1 is engaged with the clamping groove 11.

[0036] The interior of the mounting plate 4 is provided with an elastic component for pushing up the card block 7, and the elastic component includes two telescopic rods 8. The outside of the telescopic rods 8 is fixedly connected to the inside of the mounting plate 4, and the outside of the telescopic rods 8 is sleeved with a spring 9. The telescopic rods 8 are used to prevent the spring 9 from deforming, and the spring 9 is used to elastically push up the card block 7. A connecting ring 10 is slidably connected to the adjacent side of the two mounting plates 4. Two card grooves 11 are provided on the left and right sides of the connecting ring 10. A plurality of fixing grooves 12 are provided on the top of the connecting ring 10. The fixing grooves 12 are used to cooperate with the fixing grooves 13 so that the cover 1 and the connecting ring 10 are installed and fixed. A plurality of fixing grooves 13 are provided on the top of the cover 1.

[0037] Embodiment 2

[0038] like Figure 3 and Figure 5 , Figure 6As shown, the interior of the connecting ring 10 is fixedly connected with a top ring 14, and the interior of the cover 1 is fixedly connected with a support block 15. The support block 15 is used to connect the sleeve 16. A plurality of sleeves 16 are fixedly connected to the top of the support block 15. The sleeve 16 and the cylindrical sleeve 18 are used to prevent the spring 2 17 from deforming. The interior of the sleeve 16 is provided with a spring 2 17. The spring 2 17 is used to generate power to push the cylindrical sleeve 18. One side of the spring 2 17 is fixedly connected to the interior of the sleeve 16, and the other side of the spring 2 17 is fixedly connected to the interior of the cylindrical sleeve 18. The interior of the sleeve 16 is slidably connected to the inner sleeve 16. A cylindrical sleeve 18 is connected, and a connecting ring 2 19 is fixedly connected to the top of multiple cylindrical sleeves 18. The connecting ring 29 is to cooperate with the sealing ring 20 to be pushed by the spring 2 17 so that the sealing ring 20 contacts the bottom of the top ring 14, and then seals to prevent liquid, gas or powder from leaking from the mechanical connection. The top of the connecting ring 29 is fixedly connected with the sealing ring 20, and the sealing ring 20 is made of rubber. The top of the sealing ring 20 contacts the bottom of the top ring 14, and the outside of the sealing ring 20 is slidably connected to the inside of the connecting ring 10, and the outside of the sealing ring 20 is slidably connected to the inside of the cover 1.

[0039] Working steps

[0040] Step 1. When the staff installs the cover 1 on the connecting ring 10 on the outside of the wind turbine gearbox cover, they first need to limit the space between the cover 1 and the connecting ring 10, and then slide the cover 1 on the outside of the connecting ring 10 in cooperation with the positioning plate 3 and the mounting plate 4. Then, when the mounting plate 4 slides on the outside of the connecting ring 10, the connecting ring 10 will squeeze the block 7 so that the block 7 slides into the inside of the mounting plate 4. Then, after the block 7 reaches the appropriate position, the spring 9 generates elastic force to push the block 7, so that the block 7 slides in cooperation with the slider 6 inside the mounting plate 4. Then, the block 7 is engaged with the card slot 11, and then the installation and positioning are performed. Then, the bolts to be installed are installed and fixed through the multiple fixing grooves 13 opened on the top of the cover 1 and the multiple fixing grooves 12 opened on the top of the connecting ring 10.

[0041] Step 2: After the cover 1 and the connecting ring 10 are installed, multiple sleeves 16 are fixed on the top of the support block 15 inside the cover 1. The connecting ring 19 is pushed up by the sleeve 16 in cooperation with the spring 17 and the cylindrical sleeve 18, so that the connecting ring 19 can synchronously drive the sealing ring 20 and the top ring 14 inside the connecting ring 10 to perform a pushing and sealing. At the same time, the sealing ring 20 is made of rubber material, which can effectively prevent liquid, gas or powder from leaking from the mechanical connection. The material itself has good elasticity and flexibility, can form a seal on the contact surface, and can maintain the sealing performance even when the pressure or temperature changes.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large wind power gearbox cover, comprising a cover, characterized in that: The left and right sides of the cover are fixedly connected with connecting pieces, the outside of the cover is fixedly connected with a limit component for positioning during installation, the top of the connecting piece is fixedly connected with a mounting plate, the inside of the mounting plate begins to have a plurality of slide grooves, the inside of the slide groove is slidably connected with a slider, the adjacent sides of every two sliders are fixedly connected with a clamping block, the inside of the mounting plate is provided with an elastic component for pushing the clamping block, the adjacent sides of the two mounting plates are slidably connected with a connecting ring 1, the left and right sides of the connecting ring 1 are provided with two clamping grooves, the top of the connecting ring 1 is provided with a plurality of fixed grooves 1, and the top of the cover is provided with a plurality of fixed grooves 2.

2. A large wind power gearbox cover according to claim 1, characterized in that: The limiting assembly includes two positioning plates, and adjacent sides of the two positioning plates are respectively fixedly connected to the front and rear sides of the cover.

3. The large wind power gearbox cover according to claim 1, characterized in that: The elastic component comprises two telescopic rods, the outside of the telescopic rods is fixedly connected to the inside of the mounting plate, and the outside of the telescopic rods is sleeved with a spring 1.

4. The large wind power gearbox cover according to claim 1, characterized in that: The interior of the connecting ring 1 is fixedly connected with a top ring, the interior of the cover is fixedly connected with a support block, the top of the support block is fixedly connected with a plurality of sleeves, a spring 2 is provided inside the sleeve, a cylindrical sleeve is slidably connected inside the sleeve, the tops of the plurality of cylindrical sleeves are fixedly connected with connecting ring 2, and the top of the connecting ring 2 is fixedly connected with a sealing ring.

5. The large wind power gearbox cover according to claim 1, characterized in that: The outside of the sliding block is slidably connected to the inside of the mounting plate, and the outside of the clamping block is clamped with the inside of the clamping slot.

6. A large wind power gearbox cover according to claim 4, characterized in that: The sealing ring is made of rubber, and the top of the sealing ring contacts the bottom of the top ring.

7. A large wind power gearbox cover according to claim 4, characterized in that: One side of the second spring is fixedly connected to the inside of the sleeve, and the other side of the second spring is fixedly connected to the inside of the cylindrical sleeve.

8. The large wind power gearbox cover according to claim 4, characterized in that: The outer portion of the sealing ring is slidably connected to the inner portion of the connecting ring 1, and the outer portion of the sealing ring is slidably connected to the inner portion of the cover.

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