Self-cleaning lubricating device of speed increasing box of wind generating set

Abstract

The utility model relates to the technical field of self-cleaning lubricating devices, and discloses a self-cleaning lubricating device of a speed increasing box of a wind generating set, which comprises the speed increasing box, a gear set is arranged in the speed increasing box, and a spray pipe is fixedly arranged at the top in the speed increasing box corresponding to the position of the gear set. The servo motor is controlled to start, the servo motor drives the threaded rod to rotate, the telescopic rod can be controlled by the threaded rod to drive the piston block to move left and right in the piston cylinder, and lubricating oil in the oil tank can enter the piston cylinder through the connecting pipe; lubricating oil pressurized in the piston cylinder enters the spraying pipe through the oil conveying pipe and then is accurately sprayed to the connecting point of the gear set through the spraying head on the spraying pipe, the sprayed lubricating oil can lubricate the gear set and can also clean dirt at the connecting point of the gear set, and therefore automatic cleaning and lubricating can be achieved, and the service life of the gear set is prolonged. Workers do not need to frequently climb to the top of the wind driven generator for operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to self -cleaning lubricating device technical field especially relates to a kind of self -cleaning lubricating device of wind turbine generator system speed increasing box. BACKGROUND

[0002] Wind turbine generator set gear box is one of the key components in wind power generation equipment, for the kinetic energy of wind wheel rotation is transmitted to generator. Usually the rotational speed of wind wheel is very low, far from the rotational speed required for generator power generation, must be through the speed increasing effect of gear box gear set to realize, so gear box is also called speed increasing box.

[0003] The existing wind turbine generator set speed increasing box needs worker to lubricate and clean maintenance gear in speed increasing box regularly to prevent affecting the normal operation of gear, leading to gear damage in use process for prolonging its service life, it is very troublesome that worker needs to climb to the top of wind turbine to operate. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art, and provides a kind of self -cleaning lubricating device of wind turbine generator set speed increasing box.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of self -cleaning lubricating device of wind turbine generator set speed increasing box, including speed increasing box, gear set is arranged in the speed increasing box, the position corresponding gear set is fixedly installed with spray pipe in the top of the speed increasing box, the right end of the speed increasing box is movably installed with rotating block, the right end of the rotating block is fixedly connected with gear set, the left end of the speed increasing box is fixedly installed with generator, the right end of the generator is fixedly connected with gear set, the top of the rotating block is fixedly installed with cleaning box, oil tank is fixedly installed in the cleaning box, screw cap is movably installed on the oil tank, the bottom of the speed increasing box is fixedly installed with oil discharge pipe, extraction device is arranged in the cleaning box, the extraction device includes piston cylinder, servo motor, threaded rod, telescopic rod.

[0007] As a further scheme of the utility model, the piston cylinder is fixedly installed in cleaning box, piston block is movably installed in the piston cylinder, the right end of the telescopic rod is fixedly connected with piston block, the servo motor is fixedly installed on the inner wall of cleaning box, the threaded rod is movably installed at the output end of servo motor, the left end of the telescopic rod is screw connected with threaded rod.

[0008] As a further scheme of the utility model, the heating wire is wound outside the piston cylinder, the oil inlet one-way valve is fixedly installed at the right end of the piston cylinder, the connecting pipe is fixedly installed on the oil inlet one-way valve, the other end of the connecting pipe is fixedly connected with the bottom of the oil tank, the oil outlet one-way valve is also fixedly installed at the right end of the piston cylinder, the oil delivery pipe is fixedly installed on the oil outlet one-way valve, and the other end of the oil delivery pipe is fixedly connected with the top of the spray pipe.

[0009] As a further scheme of the utility model, the limiting slot is formed in the bottom of the cleaning box and corresponds to the position of the telescopic rod, the limiting rod is fixedly installed at the left end of the telescopic rod, and the limiting rod is movably installed in the limiting slot.

[0010] As a further scheme of the utility model, the spray head is fixedly installed at the bottom of the spray pipe and corresponds to the connecting point on the gear set.

[0011] As a further scheme of the utility model, the filter cylinder is arranged at the bottom of the oil discharge pipe, the filter cylinder is threadedly connected between the top of the filter cylinder and the oil discharge pipe, the movable cover is movably installed at the bottom of the filter cylinder, and the filter screen is fixedly installed in the filter cylinder.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the utility model, the servo motor is started to drive the threaded rod to rotate, the telescopic rod is controlled by the threaded rod to drive the piston block to move left and right in the piston cylinder, when the piston block moves left in the piston cylinder, the air pressure in the piston cylinder is reduced, the oil inlet one-way valve is opened, the lubricating oil in the oil tank enters the piston cylinder through the connecting pipe, when the piston block moves right in the piston cylinder, the piston block extrudes the lubricating oil, the oil outlet one-way valve is opened, the pressurized lubricating oil in the piston cylinder enters the spray pipe through the oil delivery pipe, and then is accurately sprayed on the connecting point on the gear set through the spray head on the spray pipe, the sprayed lubricating oil not only lubricates the gear set, but also cleans the dirt at the connecting point of the gear set, so that the automatic cleaning and lubrication are achieved, and workers do not need to frequently climb to the top of the wind driven generator to operate, which is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a kind of overall structure schematic diagram of the self-cleaning lubricating device of wind driven generator set increasing speed box;

[0015] Figure 2 The utility model provides a kind of internal structure schematic diagram of the self-cleaning lubricating device of wind driven generator set increasing speed box;

[0016] Figure 3 The utility model Figure 2 The utility model provides an enlarged view of A place;

[0017] Figure 4 For the utility model Figure 2 The enlarged view of B.

[0018] In the figure: 1, speed increasing box; 2, rotating block; 3, generator; 4, cleaning tank; 5, oil tank; 6, screw cap; 7, oil discharge pipe; 8, filter cartridge; 9, movable cover; 10, filter screen; 11, piston cylinder; 12, gear set; 13, servo motor; 14, threaded rod; 15, telescopic rod; 16, piston block; 17, limiting groove; 18, limiting rod; 19, heating wire; 20, oil inlet check valve; 21, oil outlet check valve; 22, connecting pipe; 23, oil delivery pipe; 24, spray pipe; 25, spray head. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments.

[0020] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Reference Figure 1 - Figure 4The utility model provides a kind of self-cleaning lubricating device of wind turbine gearbox, including gearbox 1, gear set 12 is provided in gearbox 1, the position corresponding gear set 12 is fixedly installed with spray pipe 24 in the top of gearbox 1, the right end of gearbox 1 is movably installed with rotating block 2, rotating block 2 is fixedly connected with the right end of gear set 12, the left end of gearbox 1 is fixedly installed with generator 3, generator 3 is fixedly connected with the right end of gear set 12, the top of rotating block 2 is fixedly installed with cleaning box 4, oil tank 5 is fixedly installed in cleaning box 4, threaded cap 6 is movably installed on oil tank 5, the bottom of gearbox 1 is fixedly installed with oil drain pipe 7, extraction device is provided in cleaning box 4, and extraction device includes piston cylinder 11, servo motor 13, threaded rod 14, telescopic rod 15.

[0023] In the embodiment, the piston cylinder 11 is fixedly installed in the cleaning box 4, the piston block 16 is movably installed in the piston cylinder 11, the right end of the telescopic rod 15 is fixedly connected with the piston block 16, the servo motor 13 is fixedly installed on the inner wall of the cleaning box 4, the threaded rod 14 is movably installed on the output end of the servo motor 13, the left end of the telescopic rod 15 is threadedly connected with the threaded rod 14, by controlling the servo motor 13 to start, the servo motor 13 will drive the threaded rod 14 to rotate, and the telescopic rod 15 can control the piston block 16 to move left and right in the piston cylinder 11 by the threaded rod 14.

[0024] In the embodiment, the outside of the piston cylinder 11 is wound with heating wire 19, since wind-driven generators are mostly in high-altitude areas, the temperature is low, and the flowability of the lubricating oil in the oil tank 5 will be poor, when the lubricating oil in the oil tank 5 enters the piston cylinder 11, the piston cylinder 11 can be heated by the heating wire 19 outside the piston cylinder 11, so that the temperature of the lubricating oil in the piston cylinder 11 is increased and the flowability is improved, the right end of the piston cylinder 11 is fixedly installed with an oil inlet check valve 20, the oil inlet check valve 20 is fixedly installed with a connecting pipe 22, the other end of the connecting pipe 22 is fixedly connected with the bottom of the oil tank 5, the right end of the piston cylinder 11 is also fixedly installed with an oil outlet check valve 21, the oil outlet check valve 21 is fixedly installed with an oil delivery pipe 23, the other end of the oil delivery pipe 23 is fixedly connected with the top of the spray pipe 24, when the piston block 16 moves left in the piston cylinder 11, the air pressure in the piston cylinder 11 is reduced, at this time, the oil inlet check valve 20 will be opened, and the lubricating oil in the oil tank 5 will enter the piston cylinder 11 through the connecting pipe 22, when the piston block 16 moves right in the piston cylinder 11, the piston block 16 will extrude the lubricating oil, at this time, the oil outlet check valve 21 will be opened, and the lubricating oil in the piston cylinder 11 will enter the spray pipe 24 through the oil delivery pipe 23.

[0025] In the embodiment, the bottom of the cleaning box 4 is provided with a limiting groove 17 corresponding to the position of the telescopic rod 15, the left end of the telescopic rod 15 is fixedly installed with a limiting rod 18, the bottom of the limiting rod 18 is movably installed in the limiting groove 17, and the limiting rod 18 can prevent the telescopic rod 15 from rotating.

[0026] In the embodiment, the bottom of the spray pipe 24 is fixedly provided with the spray head 25 corresponding to the position of the connecting point on the gear set 12, the lubricating oil pressurized in the piston cylinder 11 enters the spray pipe 24 through the oil delivery pipe 23, and then is accurately sprayed on the connecting point on the gear set 12 through the spray head 25 on the spray pipe 24, so that the sprayed lubricating oil can not only lubricate the gear set 12, but also clean the dirt at the connecting point of the gear set 12.

[0027] In the embodiment, the bottom of the oil discharge pipe 7 is provided with the filter cylinder 8, the top of the filter cylinder 8 is threadedly connected with the oil discharge pipe 7, the bottom of the filter cylinder 8 is movably provided with the movable cover 9, and the filter cylinder 8 is fixedly provided with the filter screen 10, so that after cleaning, the excess lubricating oil and dirt on the gear set 12 can flow to the bottom of the speed increaser 1, then flow into the filter cylinder 8 through the oil discharge pipe 7, and be recycled, and the lubricating oil and dirt can be simply separated through the filter screen 10 in the filter cylinder 8, thereby facilitating the later treatment.

[0028] As can be seen from the above description, the above-mentioned embodiments of the utility model realize the following technical effects: when in use, the threaded cover 6 is opened, the lubricating oil is poured into the oil tank 5, and then the threaded cover 6 is installed back on the oil tank 5, when the speed increaser 1 needs to be cleaned, the servo motor 13 is started by control, the servo motor 13 drives the threaded rod 14 to rotate, the threaded rod 14 can control the extension rod 15 to drive the piston block 16 to move left and right in the piston cylinder 11, when the piston block 16 moves left in the piston cylinder 11, the air pressure in the piston cylinder 11 decreases, at this time, the oil inlet one-way valve 20 is opened, the lubricating oil in the oil tank 5 enters the piston cylinder 11 through the connecting pipe 22, when the piston block 16 moves right in the piston cylinder 11, the piston block 16 extrudes the lubricating oil, at this time, the oil outlet one-way valve 21 is opened, the lubricating oil pressurized in the piston cylinder 11 enters the spray pipe 24 through the oil delivery pipe 23, then is accurately sprayed on the connecting point on the gear set 12 through the spray head 25 on the spray pipe 24, the sprayed lubricating oil can not only lubricate the gear set 12, but also clean the dirt at the connecting point of the gear set 12, thereby achieving automatic cleaning and lubrication, and workers do not need to frequently climb to the top of the wind driven generator to operate, which is very convenient.

[0029] Since the wind driven generator is mostly located in a high-altitude area, the temperature is low, and the flowability of the lubricating oil in the oil tank 5 will become poor, so when the lubricating oil in the oil tank 5 enters the piston cylinder 11, the heating wire 19 outside the piston cylinder 11 can heat the piston cylinder 11, so that the temperature of the lubricating oil in the piston cylinder 11 is increased and the flowability is improved, thereby facilitating the lubrication and cleaning of the gear set 12 through the spray head 25.

[0030] After cleaning, the excess lubricating oil and dirt on the gear set 12 will flow to the bottom of the speed increaser 1, and then through the oil drain pipe 7 to flow into the filter cartridge 8 for recycling, and the lubricating oil and dirt can be simply separated through the filter screen 10 in the filter cartridge 8, facilitating the later treatment, and when the worker adds the lubricating oil into the oil tank 5, the recycled lubricating oil in the filter cartridge 8 can be taken away for recycling and cleaning and then reused, saving resources.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A self-cleaning lubrication device for a wind turbine generator set speed increaser, comprising a speed increaser (1), characterized in that, The speed increaser (1) is equipped with a gear set (12). A nozzle (24) is fixedly installed at the top of the speed increaser (1) corresponding to the position of the gear set (12). A rotating block (2) is movably installed at the right end of the speed increaser (1). The rotating block (2) is fixedly connected to the right end of the gear set (12). A generator (3) is fixedly installed at the left end of the speed increaser (1). The generator (3) is fixedly connected to the right end of the gear set (12). A cleaning box (4) is fixedly installed at the top of the rotating block (2). An oil tank (5) is fixedly installed in the cleaning box (4). A threaded cover (6) is movably installed on the oil tank (5). An oil drain pipe (7) is fixedly installed at the bottom of the speed increaser (1). An extraction device is provided in the cleaning box (4). The extraction device includes a piston cylinder (11), a servo motor (13), a threaded rod (14), and a telescopic rod (15).

2. The self-cleaning lubrication device for a wind turbine gearbox according to claim 1, characterized in that, The piston cylinder (11) is fixedly installed in the cleaning box (4). A piston block (16) is movably installed in the piston cylinder (11). The right end of the telescopic rod (15) is fixedly connected to the piston block (16). The servo motor (13) is fixedly installed on the inner wall of the cleaning box (4). The threaded rod (14) is movably installed at the output end of the servo motor (13). The left end of the telescopic rod (15) is threadedly connected to the threaded rod (14).

3. The self-cleaning lubrication device for a wind turbine gearbox according to claim 1, characterized in that, Heating wire (19) is wound around the outside of the piston cylinder (11). An oil inlet check valve (20) is fixedly installed on the right end of the piston cylinder (11). A connecting pipe (22) is fixedly installed on the oil inlet check valve (20). The other end of the connecting pipe (22) is fixedly connected to the bottom of the oil tank (5). An oil outlet check valve (21) is also fixedly installed on the right end of the piston cylinder (11). An oil delivery pipe (23) is fixedly installed on the oil outlet check valve (21). The other end of the oil delivery pipe (23) is fixedly connected to the top of the nozzle (24).

4. The self-cleaning lubrication device for a wind turbine gearbox according to claim 1, characterized in that, The bottom of the cleaning box (4) is provided with a limiting groove (17) corresponding to the position of the telescopic rod (15). A limiting rod (18) is fixedly installed on the left end of the telescopic rod (15), and the bottom of the limiting rod (18) is movably installed in the limiting groove (17).

5. The self-cleaning lubrication device for a wind turbine gearbox according to claim 1, characterized in that, The nozzle (25) is fixedly installed at the bottom of the nozzle (24) at the position of the connection point on the gear set (12).

6. The self-cleaning lubrication device for a wind turbine gearbox according to claim 1, characterized in that, The bottom of the oil drain pipe (7) is provided with a filter cylinder (8), the top of the filter cylinder (8) is threadedly connected to the oil drain pipe (7), the bottom of the filter cylinder (8) is movably installed with a movable cover (9), and a filter screen (10) is fixedly installed in the filter cylinder (8).

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