CN211649019U - Wind power generation gear box convenient for oil change - Google Patents

Abstract

The utility model discloses a wind power generation gear box which is convenient for oil change, comprising a gear box body, one side of the gear box box is fixedly connected with a connecting pipe, and one end of one side of the connecting pipe is fixedly connected with a first flange The outer wall of one side of the gear box body is fixedly connected with a support at the bottom of the connecting pipe, the outer surface of the top of the support is fixedly installed with a motor, and the end of one side of the output shaft of the motor is fixedly connected with a winch. The top of the front side of the winch is connected with an oil outlet pipe, and the end of one side of the oil outlet pipe is fixedly connected with a second flange. In the utility model, the motor, the winch, the oil inlet pipe and the oil outlet pipe are arranged to drive the winch to rotate. , wherein the oil inlet pipe and the oil outlet pipe are the same group of pipes, the oil inlet pipe can be lifted and lowered by the rotation of the winch, and connected with the oil delivery pipeline on the lower oil delivery truck for oil change. The device has a simple structure, is convenient and practical.

Description

A wind turbine gearbox for easy oil change

technical field

The utility model relates to the technical field of wind power generation gear boxes, in particular to a wind power generation gear box which is convenient for oil change.

Background technique

The gearbox in the wind turbine is an important mechanical component, its main function is to transmit the power generated by the wind rotor under the action of the wind to the generator and make it obtain the corresponding speed. If the rotational speed required by the generator cannot be reached, it must be realized by the speed-increasing effect of the gear pair of the gearbox, so the gearbox is also called the speed-increasing box. The connected transmission shaft (commonly known as the large shaft) is integrated with the gearbox, and there are also structures in which the large shaft and the gearbox are arranged separately, and the expansion sleeve device or coupling is used between them. In order to increase the braking capacity of the unit, it is often The input end or output end of the gearbox is provided with a braking device, which cooperates with the blade tip braking (fixed pitch wind wheel) or the variable pitch braking device to jointly brake the transmission system of the unit.

Since the wind turbine gearbox is generally placed on a very high wind turbine tower, when the oil in the gearbox has been used for a period of time, the oil in the box needs to be replaced, but due to the location, it is very difficult to replace the oil inside the gearbox. It is troublesome, so there is a need for a device to solve the above problems.

Utility model content

The purpose of the utility model is to solve the shortcomings existing in the prior art, and propose a wind power generation gear box which is convenient for oil change.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a wind power generation gearbox for easy oil change, including a gearbox case, a connecting pipe is fixedly connected to one side of the gearbox case, and one side of the connecting pipe is The side end is fixedly connected with a first flange, the outer wall of one side of the gear box body is fixedly connected with a support at the bottom of the connecting pipe, the outer surface of the top of the support is fixedly installed with a motor, and the output shaft of the motor is an output shaft. A winch is fixedly connected to the side end, an oil outlet pipe is connected to the top of the front side of the winch, a second flange is fixedly connected to one end of the oil outlet pipe, and a second flange is arranged between the second flange and the first flange. There is a fixed assembly, an oil inlet pipe is arranged at the bottom of the rear side of the winch, a joint is fixedly connected to the bottom end of the oil inlet pipe, a heavy block is fixedly sleeved on the outside of the oil inlet pipe and located at the top of the joint, and the gearbox case is one. A vertical rod is fixedly connected to the side outer wall and is located at the bottom of the support, and one end of one side of the vertical rod is fixedly connected to a limiting device.

As a further description of the above technical solutions:

A fixed connection hole is provided in the inside of one side of the gear box body at a position corresponding to the connection pipe.

As a further description of the above technical solutions:

The support is fixedly connected to the gearbox casing by welding.

As a further description of the above technical solutions:

The size of the first flange is equal to the size of the second flange, and the first flange and the second flange are provided with threaded connection holes at positions corresponding to the fixing components.

As a further description of the above technical solutions:

A through hole is formed inside the limiting device at a position corresponding to the oil inlet pipe, and the width of the weight block is larger than the diameter of the through hole inside the limiting device.

As a further description of the above technical solutions:

The oil outlet pipe and the oil inlet pipe are all rubber pipes cut and formed, and the oil outlet pipe and the oil inlet pipe are the same group of pipes.

The utility model has the following beneficial effects:

1. Compared with the traditional device, a wind power gearbox for easy oil change proposed by the utility model, by setting devices such as a motor, a winch, an oil inlet pipe and an oil outlet pipe, the winch is driven by the motor to rotate, wherein the oil inlet pipe and the oil outlet pipe are rotated. For the same group of pipelines, the oil inlet pipe can be lifted and lowered by the rotation of the winch, and is connected with the oil pipeline on the lower oil truck for oil change. The device has a simple structure, is convenient and practical.

2. Compared with the traditional device, this device has great innovation and improvement in its structure and design. By setting limit components and heavy blocks and other devices, when not in use, the oil inlet pipe is limited by the limit device to prevent It swings, and the heavy block can ensure that the oil inlet pipe can be lifted and lowered approximately vertically when in use, which is worth vigorously promoting.

Description of drawings

Fig. 1 is the front view structure diagram of a kind of wind power gearbox for easy oil change proposed by the utility model;

Fig. 2 is the partial enlarged view of A place in Fig. 1;

Fig. 3 is a partial enlarged view at B in Fig. 1;

Fig. 4 is a side view structure diagram of a wind turbine gearbox for easy oil change proposed by the utility model;

FIG. 5 is a partial enlarged view of C in FIG. 4 .

illustration:

1. Gear box body; 2. Oil outlet pipe; 3. Winch; 4. Vertical rod; 5. Support; 6. Electric motor; 7. First flange; 8. Oil inlet pipe; 9. Joint; 10. Heavy Block; 11. Limiting device; 12. Fixing component; 13. Second flange; 14. Connecting pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance. In addition, Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to Figures 1-5, an embodiment provided by the present utility model: a wind power generation gearbox for easy oil change, comprising a gearbox casing 1, a connecting pipe 14 is fixedly connected to one side of the gearbox casing 1, and the connecting pipe The end of one side of 14 is fixedly connected with the first flange 7, the outer wall of one side of the gear box 1 is fixedly connected with the support 5 at the bottom of the connecting pipe 14, the outer surface of the top of the support 5 is fixedly installed with the motor 6, and the motor 6 is fixed on the outer surface. A winch 3 is fixedly connected to one end of the output shaft, an oil outlet pipe 2 is connected to the top of the front side of the winch 3, and a second flange 13 is fixedly connected to one end of the oil outlet pipe 2. The second flange 13 is connected to the first flange. A fixed assembly 12 is arranged between 7, an oil inlet pipe 8 is arranged at the bottom of the rear side of the winch 3, a joint 9 is fixedly connected to the bottom end of the oil inlet pipe 8, and a heavy block 10 is fixedly sleeved on the outside of the oil inlet pipe 8 and at the top of the joint 9, and the gear A vertical rod 4 is fixedly connected to the outer wall of one side of the box body 1 and is located at the bottom of the support 5 , and one end of the vertical rod 4 is fixedly connected to a limiting device 11 .

There is a fixed connection hole in one side of the gearbox casing 1 corresponding to the connecting pipe 14 to facilitate the fixed installation of the connecting pipe 14 on the gear casing casing 1, and the support 5 is fixed to the gear casing casing 1 by welding. connection, to prevent the support 5 from loosening, the size of the first flange 7 is equal to the size of the second flange 13, and the interior of the first flange 7 and the second flange 13 are connected to the fixing assembly 12. Corresponding positions are provided with threaded connection holes, which are convenient for the connection between the connecting pipe 14 and the oil outlet pipe 2 to be fixedly connected to each other. The interior of the limiting device 11 is provided with a through hole corresponding to the oil inlet pipe 8, and the width of the weight block 10 is larger than the limit The diameter of the through hole inside the device 11 is convenient for the oil inlet pipe 8 to pass through the limiting device 11. The weight block 10 facilitates that the oil inlet pipe 8 can be lifted and lowered at an approximately vertical angle when lifting and lowering, which is convenient for the use of the staff. The oil pipe 8 is made of rubber pipe material, and the oil outlet pipe 2 and the oil inlet pipe 8 are the same group of pipes. The rubber material has excellent elasticity and will not easily burst due to oil pressure.

Working principle: The wind power generation gearbox that is convenient for oil change proposed by the utility model has great improvement and innovation compared with the traditional device. The rotation drives the winch 3 to rotate, so that the oil inlet pipe 8 descends. Due to the existence of the heavy block 10, the oil inlet pipe 8 should descend approximately vertically, and the joint 9 at the bottom of the oil inlet pipe 8 is manually connected with the oil pipeline (not shown in the figure) , through the oil pump (not shown in the figure) to pump out the oil inside the gearbox casing 1, and then connect it with the oil tank (not shown in the figure) through the oil pipeline, input the oil into the oil pipe 8, and then from the oil outlet pipe 2 Input into the gear box body 1 to realize the oil change process, which is more convenient and quicker than the traditional oil change.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (6)

1. A wind turbine gearbox for easy oil change, comprising a gearbox casing (1), characterized in that a connecting pipe (14) is fixedly connected to one side of the gearbox casing (1), and the connecting pipe (14) A first flange (7) is fixedly connected to the end of one side, and a support (5) is fixedly connected to the outer wall of one side of the gear box case (1) and is located at the bottom of the connecting pipe (14). A motor (6) is fixedly installed on the outer surface of the top of the seat (5), a winch (3) is fixedly connected to one end of the output shaft of the motor (6), and an oil outlet pipe (2) is connected to the top of the front side of the winch (3). ), a second flange (13) is fixedly connected to one end of the oil outlet pipe (2), and a fixing assembly ( 12), an oil inlet pipe (8) is provided at the bottom of the rear side of the winch (3), the bottom end of the oil inlet pipe (8) is fixedly connected with a joint (9), and the oil inlet pipe (8) is outside and located at the joint (9). ) a heavy block (10) is fixedly sleeved on the top, and a vertical rod (4) is fixedly connected to the outer wall of one side of the gear box body (1) and is located at the bottom of the support (5), and the vertical rod (4) is a The side end is fixedly connected with the limiting device (11). 2. A wind power gearbox for easy oil change according to claim 1, characterized in that: a fixed connection hole is opened in one side of the gearbox casing (1) corresponding to the connecting pipe (14). . 3 . The wind turbine gearbox for easy oil change according to claim 1 , wherein the support ( 5 ) is fixedly connected to the gearbox casing ( 1 ) by welding. 4 . 4. A wind turbine gearbox for easy oil change according to claim 1, characterized in that: the size of the first flange (7) is equal to the size of the second flange (13) , and the first flange (7) and the second flange (13) are provided with threaded connection holes at the corresponding positions of the fixing assembly (12). 5 . The wind turbine gearbox for easy oil change according to claim 1 , wherein a through hole is formed inside the limiting device ( 11 ) at a position corresponding to the oil inlet pipe ( 8 ). 6 . The width of the weight block (10) is larger than the diameter of the through hole inside the limiting device (11). 6. A wind power gearbox for easy oil change according to claim 1, characterized in that: the oil outlet pipe (2) and the oil inlet pipe (8) are all rubber pipes cut and formed, and the oil outlet pipe (2) ) and the oil inlet pipe (8) are the same group of pipes.

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