CN214554574U

CN214554574U - Grease injection device for heavy-load bearing of wind generating set

Info

Publication number: CN214554574U
Application number: CN202120305820.7U
Authority: CN
Inventors: 高永峰; 傅杰; 姚健; 赵宏伟; 李凯; 张宁轩; 徐伟
Original assignee: Ningxia Huili Energy Technology Co ltd
Current assignee: Ningxia Huili Energy Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-02
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a grease injection device for a heavy-duty bearing of a wind generating set, which comprises a first shell, wherein one side of the first shell is rotatably connected with a rod body through a bearing, the upper surface of the first shell is fixedly connected with a second shell, the inner bottom wall of the second shell is fixedly connected with an oil well pump, and the oil outlet of the oil well pump is communicated with a first pipe body; the utility model discloses in utilize the second casing to store lubricating grease, long and interval time of operation through relay control oil pump, the oil-well pump extracts lubricating grease, lubricating grease reachs nozzle department through first body, the nozzle is with lubricating grease spraying on the surface of bearing, lubricating grease has been solved along with the lapse of time and has constantly reduced, it lubricates the base bearing regularly to need the workman, the frequency of later maintenance has not only been improved, the later maintenance cost has been increased, and make the inside frictional force grow of base bearing, the problem of base bearing life has been shortened.

Description

Grease injection device for heavy-load bearing of wind generating set

Technical Field

The utility model relates to a wind power generation technical field specifically is a wind generating set heavy load bearing is with annotating fat device.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, the wind power generator generally comprises components such as a wind wheel, a generator (comprising a device), a direction regulator (empennage), a tower frame, a speed-limiting safety mechanism, an energy storage device and the like, the working principle of the wind power generator is simpler, the wind wheel rotates under the action of wind force and converts the kinetic energy of the wind into the mechanical energy of a wind wheel shaft, the generator rotates to generate electricity under the drive of the wind wheel shaft, a bearing rotating structure exists in a currently adopted main shaft type wind power generator set, and the wind power generator set is in an external environment for a long time, so that the wind power generator set is of great importance for the maintenance of a bearing.

The lubricating mode of the heavy-duty bearing of the existing wind generating set also has certain problems:

firstly, the existing heavy-duty bearing of the wind generating set still belongs to a natural lubrication mode, lubricating grease is filled in the whole main bearing when the wind generating set leaves a factory, and the lubricating grease is continuously reduced along with the passage of time, so that the frequency of later maintenance is improved, the later maintenance cost is increased, the internal friction of the main bearing is increased, and the service life of the main bearing is shortened;

two, current wind generating set heavy load bearing is because the main bearing exposes in external environment for a long time, and ball friction produces the piece in addition for lubricating oil is rotten, is hardened and distributes unevenly, and then makes lubricating grease's availability factor poor, and not only the cycle length is long during the change of main bearing, and economic loss is huge moreover, for this reason, proposes a wind generating set heavy load bearing with annotating the fat device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind generating set heavy load bearing is with annotating fat device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a grease injection device for a heavy-duty bearing of a wind generating set comprises a first shell, one side of the first shell is rotatably connected with a rod body through a bearing, the upper surface of the first shell is fixedly connected with a second shell, the inner bottom wall of the second shell is fixedly connected with an oil well pump, an oil outlet of the oil well pump is communicated with a first pipe body, one end of the first pipe body, far away from the oil well pump, penetrates through the inner bottom wall of the second shell, one end of the first pipe body, far away from the oil well pump, penetrates through the upper surface of the first shell, a support is welded on the inner top wall of the first shell, one side of the support is fixedly connected with a nozzle, one end of the first pipe body, far away from the oil well pump, penetrates through one side of the support, one end of the first pipe body, far away from the oil well pump, is communicated with one end of the nozzle, and a relay is fixedly connected with the inner top wall of the first shell, the novel multifunctional telescopic rod is characterized in that a protective cover is fixedly connected to one side of the first shell, a first through hole is formed in one side of the protective cover, one end of the rod body penetrates through the inside of the first through hole, a groove is formed in the inner bottom wall of the first shell, a second through hole is formed in the inner bottom wall of the groove, and a second pipe body is fixedly connected to the inner side wall of the second through hole.

As further preferable in the present technical solution: one side of the protective cover is bonded with a dustproof gasket and is opposite to the first through hole, and the inner side wall of the dustproof gasket is attached to the outer side wall of the rod body.

As further preferable in the present technical solution: the inside wall welding of protection casing has the baffle.

As further preferable in the present technical solution: the upper surface of the second shell is provided with a threaded through hole, and the inner side wall of the threaded through hole is in threaded connection with a cover body.

As further preferable in the present technical solution: a third through hole is formed in one side of the second shell, and a dust screen is fixedly connected to the inner side wall of the third through hole.

As further preferable in the present technical solution: the welding of one side of second casing has the plate body, the last fixed surface of plate body is connected with the third body, link up there is the fourth body one side of second casing, the fourth body is kept away from the one end of second casing link up in the lateral wall of third body.

Compared with the prior art, the beneficial effects of the utility model are that:

one, the utility model discloses in utilize the second casing to store lubricating grease, long and interval time during operation through relay control oil pump, the oil-well pump extracts lubricating grease, lubricating grease reachs nozzle department through first body, the nozzle is with lubricating grease spraying on the surface of bearing, lubricating grease has been solved along with the lapse of time and has been constantly reduced, need the workman regularly lubricate the base bearing, the frequency of later maintenance has not only been improved, later maintenance cost has been increased, and make the inside friction of base bearing

The force is increased, and the service life of the main bearing is shortened;

two, the utility model discloses in through the nozzle to the excessive lubricating grease of bearing spraying, the impurity that the mobility that utilizes lubricating grease produced ball friction takes away with the piece and the inside attached external environment of bearing in the external environment, and then reach the abluent purpose of bearing, utilize the recess, second through-hole and second body are collected excessive lubricating grease, it covers to one side that the bearing exposes in the external environment to recycle the protection casing, it exposes in the external environment for a long time to have solved the base bearing, ball friction produces the piece in addition, make lubricating oil rotten, harden and the uneven problem that distributes, and then the availability factor of lubricating grease has been improved, the change cycle of base bearing has been shortened greatly, economic loss is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the connection structure of the first housing, the groove and the second through hole of the present invention;

FIG. 3 is a schematic side view of the first housing, the protective cover, the dust-proof washer and the rod connection structure of the present invention;

fig. 4 is a schematic side view of the second casing, the plate body and the third pipe body connecting structure of the present invention.

In the figure: 1. a first housing; 2. a bearing; 3. a rod body; 4. a second housing; 5. an oil well pump; 6. a first pipe body; 7. a support; 8. a nozzle; 9. a relay; 10. a protective cover; 11. a first through hole; 12. a groove; 13. a second through hole; 14. a second tube body; 15. a dust-proof gasket; 16. a baffle plate; 17. a threaded through hole; 18. a cover body; 19. a third through hole; 20. a dust screen; 21. a plate body; 22. a third tube; 23. a fourth tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a grease injection device for a heavy-duty bearing of a wind generating set comprises a first shell 1, one side of the first shell 1 is rotatably connected with a rod body 3 through a bearing 2, the upper surface of the first shell 1 is fixedly connected with a second shell 4, the inner bottom wall of the second shell 4 is fixedly connected with an oil well pump 5, an oil outlet of the oil well pump 5 is communicated with a first pipe body 6, one end of the first pipe body 6, far away from the oil well pump 5, penetrates through the inner bottom wall of the second shell 4, one end of the first pipe body 6, far away from the oil well pump 5, penetrates through the upper surface of the first shell 1, a support 7 is welded on the inner top wall of the first shell 1, one side of the support 7 is fixedly connected with a nozzle 8, one end of the first pipe body 6, far away from the oil well pump 5, penetrates through one side of the support 7, one end of the first pipe body 6, far away from the oil well pump 5, is communicated with one end of the nozzle 8, and a relay 9 is fixedly connected with the inner top wall of the first shell 1, first through-hole 11 has been seted up to one side fixedly connected with protection casing 10 of first casing 1, one side of protection casing 10, and the inside of first through-hole 11 is run through to the one end of the body of rod 3, and recess 12 has been seted up to the inside diapire of first casing 1, and second through-hole 13 has been seted up to the inside diapire of recess 12, and the inside wall fixedly connected with second body 14 of second through-hole 13.

In this embodiment, specifically: a dustproof gasket 15 is bonded on one side of the protective cover 10 and is arranged opposite to the first through hole 11, and the inner side wall of the dustproof gasket 15 is attached to the outer side wall of the rod body 3; the material of the dustproof gasket 15 is rubber, and the dustproof gasket 15 can reduce external dust from entering the inside of the protective cover 10, so that the working space of the bearing 2 is clean.

In this embodiment, specifically: the inner side wall of the protective cover 10 is welded with a baffle 16; the baffle 16 is arranged to prevent the lubricating grease from being retained in the protective cover 10 for a long time, so that the fluidity of the lubricating grease is ensured.

In this embodiment, specifically: the upper surface of the second shell 4 is provided with a threaded through hole 17, and the inner side wall of the threaded through hole 17 is in threaded connection with a cover 18; the screw through hole 17 and the cover 18 are provided to facilitate the opening of the cover 18 to supply the lubricating grease to the inside of the second housing 4 through the screw through hole 17.

In this embodiment, specifically: a third through hole 19 is formed in one side of the second shell 4, and a dust screen 20 is fixedly connected to the inner side wall of the third through hole 19; set up third through-hole 19 and can make the inside and outside atmospheric pressure of second casing 4 keep balance all the time, set up dust screen 20 and can avoid external foreign matter to get into the inside of second casing 4, and then guarantee the cleanness of lubricating grease.

In this embodiment, specifically: a plate body 21 is welded on one side of the second shell 4, a third pipe body 22 is fixedly connected to the upper surface of the plate body 21, a fourth pipe body 23 penetrates through one side of the second shell 4, and one end, far away from the second shell 4, of the fourth pipe body 23 penetrates through the outer side wall of the third pipe body 22; set up third body 22 and fourth body 23 and be convenient for the workman through observing the inside liquid level height of third body 22, and then confirm the surplus of the inside lubricating grease of second casing 4, set up plate 21 and can play the supporting role to third body 22

In this embodiment: the model of the oil well pump 5 is CBN-F304, and the model of the relay 9 is LAS 860.

Working principle or structural principle, in the utility model, the third tube 22 is made of transparent material, the electric energy required by the oil-well pump 5 and the relay 9 is provided by an external energy storage device, one end of the rod 3 is connected with a generator, the other end of the rod 3 is connected with a blade, one end of the second tube 14 is communicated with an external collecting device, the nozzle 8 has an atomizing function, when in use, the working time and the interval time of the oil-well pump 5 are set through the relay 9, when the oil-well pump 5 works, the oil-well pump 5 extracts the lubricating grease in the second shell 4, the lubricating grease reaches the nozzle 8 through the first tube 6, the lubricating grease forms a fog shape under the action of the nozzle 8 and adheres to one side of the bearing 2, along with the rotation of the rod 3, the ball inside the bearing 2 rotates, and then the whole bearing 2 is filled with the lubricating grease, the lubrication of the bearing 2 is realized, the oil-well pump 5 continues to work, excessive lubricating grease is attached to the surface of the bearing 2, and then the impurity that produces in the process of rotating the bearing 2 is taken away, unnecessary lubricating grease is mixing impurity and falling under the action of gravity, under the collecting action of recess 12, lubricating grease and impurity reach the inside of outside collection device through second through-hole 13 and second body 14, can filter back used repeatedly with lubricating grease, and then the cost is reduced, protection casing 10 and dustproof gasket 15 can build a clean operational environment for the bearing 2, in the maintenance work of later stage, the workman can be through observing the inside liquid level height of third body 22, and then confirm the surplus of the inside lubricating grease of second casing 4, if the surplus is less, can be through rotating lid 18, add lubricating grease to the inside of second casing 4 through threaded through-hole 17, and then guarantee the continuous work of this device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wind generating set heavy load bearing is with annotating fat device, includes first casing (1), its characterized in that: one side of the first shell (1) is rotatably connected with a rod body (3) through a bearing (2), the upper surface of the first shell (1) is fixedly connected with a second shell (4), the inner bottom wall of the second shell (4) is fixedly connected with an oil well pump (5), an oil outlet of the oil well pump (5) is communicated with a first pipe body (6), one end, far away from the oil well pump (5), of the first pipe body (6) penetrates through the inner bottom wall of the second shell (4), one end, far away from the oil well pump (5), of the first pipe body (6) penetrates through the upper surface of the first shell (1), a support (7) is welded on the inner top wall of the first shell (1), one side of the support (7) is fixedly connected with a nozzle (8), one end, far away from the oil well pump (5), of the first pipe body (6) penetrates through one side of the support (7), keep away from first body (6) the one end of oil-well pump (5) communicate in the one end of nozzle (8), the inside roof fixedly connected with relay (9) of first casing (1), one side fixedly connected with protection casing (10) of first casing (1), first through-hole (11) have been seted up to one side of protection casing (10), the one end of the body of rod (3) runs through the inside of first through-hole (11), the inside diapire of first casing (1) is seted up flutedly (12), second through-hole (13) have been seted up to the inside diapire of recess (12), the inside wall fixedly connected with second body (14) of second through-hole (13).

2. The grease injection device for the heavy-load bearing of the wind generating set according to claim 1, characterized in that: one side of protection casing (10) bonds there is dustproof packing ring (15) and with first through-hole (11) just to setting up, the inside wall laminating of dustproof packing ring (15) in the lateral wall of the body of rod (3).

3. The grease injection device for the heavy-load bearing of the wind generating set according to claim 1, characterized in that: the inner side wall of the protective cover (10) is welded with a baffle plate (16).

4. The grease injection device for the heavy-load bearing of the wind generating set according to claim 1, characterized in that: the upper surface of the second shell (4) is provided with a threaded through hole (17), and the inner side wall of the threaded through hole (17) is in threaded connection with a cover body (18).

5. The grease injection device for the heavy-load bearing of the wind generating set according to claim 1, characterized in that: a third through hole (19) is formed in one side of the second shell (4), and a dust screen (20) is fixedly connected to the inner side wall of the third through hole (19).

6. The grease injection device for the heavy-load bearing of the wind generating set according to claim 1, characterized in that: the welding of one side of second casing (4) has plate body (21), the last fixed surface of plate body (21) is connected with third body (22), one side of second casing (4) is link up there is fourth body (23), keep away from fourth body (23) the one end of second casing (4) link up in the lateral wall of third body (22).